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struct defs { int cbits; /* No. of bits per char */ int ibits; /* int */ int sbits; /* short */ int lbits; /* long */ int ubits; /* unsigned */ int fbits; /* float */ int dbits; /* double */ float fprec; /* Smallest number that can be */ float dprec; /* significantly added to 1. */ int flgs; /* Print return codes, by section */ int flgm; /* Announce machine dependencies */ int flgd; /* give explicit diagnostics */ int flgl; /* Report local return codes. */ int rrc; /* recent return code */ int crc; /* Cumulative return code */ char rfs[8]; /* Return from section */ }; main(n,args) /* C REFERENCE MANUAL */ int n; char **args; { /* This program performs a series of tests on a C compiler, based on information in the C REFERENCE MANUAL which appears as Appendix A to the book "The C Programming Language" by Brian W. Kernighan and Dennis M. Ritchie (Prentice-Hall, 1978, $10.95). This Appendix is hereafter referred to as "the Manual". The rules followed in writing this program are: 1. The entire program is written in legal C, according to the Manual. It should compile with no error messages, although some warning messages may be produced by some compilers. Failure to compile should be interpreted as a compiler error. 2. The program is clean, in that it does not make use of any features of the operating system on which it runs, with the sole exceptions of the printf() function, and an internal "options" routine, which is easily excised. 3. No global variables are used, except for the spec- ific purpose of testing the global variable facility. The program is divided into modules having names of the form snnn... These modules correspond to those sections of the Manual, as identified by boldface type headings, in which there is something to test. For example, s241() corresponds to section 2.4.1 of the Manual (Integer constants) and tests the facilities described therein. The module numbering scheme is ambiguous, especially when it names modules referring to more than one section; module s7813, for ex- ample, deals with sections 7.8 through 7.13. Nonetheless, it is surprisingly easy to find a section in the Manual corresponding to a section of code, and vice versa. Note also that there seem to be "holes" in the program, at least from the point of view that there exist sections in the Manual for which there is no corresponding code. Such holes arise from three causes: (a) there is nothing in that partic- ular section to test, (b) everything in that section is tested elsewhere, and (c) it was deemed advisable not to check cer- tain features like preprocessor or listing control features. Modules are called by a main program main(). The mod- ules that are called, and the sequence in which they are called, are determined by two lists in main(), in which the module names appear. The first list (an extern statement) declares the module names to be external. The second (a stat- ic int statement) names the modules and defines the sequence in which they are called. There is no need for these lists to be in the same order, but it is probably a good idea to keep them that way in the interest of clarity. Since there are no cross-linkages between modules, new modules may be added, or old ones deleted, simply by editing the lists, with one exception: section s26, which pokes around at the hardware trying to figure out the characteristics of the machine that it is running on, saves information that is subsequently used by sections s626, s72, and s757. If this program is to be broken up into smallish pieces, say for running on a microcomputer, take care to see that s26 is called before calling any of the latter three sections. The size of the lists, i.e., the number of modules to be called, is not explicitly specified as a program parameter, but is determined dynamically using the sizeof operator. Communication between the main program and the modules takes place in two ways. In all cases, a pointer to a structure is passed to the called module. The structure contains flags that will determine the type of information to be published by the module, and fields that may be written in by the module. The former include "flgm" and "flgd", which, if set to a nonzero value, specify that machine dependencies are to be announced or that error messages are to be printed, re- spectively. The called module's name, and the hardware char- acteristics probed in s26() comprise the latter. Also, in all cases, a return code is returned by the called module. A return code of zero indicates that all has gone well; nonzero indicates otherwise. Since more than one type of error may be detected by a module, the return code is a composite of error indicators, which, individually, are given as numbers that are powers of two. Thus, a return code of 10 indicates that two specific errors, 8 and 2, were detected. Whether or not the codes returned by the modules are printed by the main program is determined by setting "flgs" to 1 (resp. 0). The entire logic of the main program is contained in the half-dozen or so lines at the end. The somewhat cryptic statement: d0.rrc = (*sec[j])(pd0); in the for loop calls the modules. The rest of the code is reasonably straightforward. Finally, in each of the modules, there is the following prologue: snnn(pd0) struct defs *pd0; { static char snnner[] = "snnn,er%d\n"; static char qsnnn[8] = "snnn "; char *ps, *pt; int rc; rc = 0; ps = qsnnn; pt = pd0->rfs; while(*pt++ = *ps++); used for housekeeping, handshaking and module initialization. */ extern s22(struct defs *), s241(struct defs *), s243(struct defs *), s244(struct defs *), s25(struct defs *), s26(struct defs *), s4(struct defs *), s61(struct defs *), s626(struct defs *), s71(struct defs *), s72(struct defs *), s757(struct defs *), s7813(struct defs *), s714(struct defs *), s715(struct defs *), s81(struct defs *), s84(struct defs *), s85(struct defs *), s86(struct defs *), s88(struct defs *), s9(struct defs *) ; int j; static int (*sec[])() = { s22, s241, s243, s244, s25, s26, s4, s61, s626, s71, s72, s757, s7813, s714, s715, s81, s84, s85, s86, s88, s9 }; static struct defs d0, *pd0; d0.flgs = 1; /* These flags dictate */ d0.flgm = 1; /* the verbosity of */ d0.flgd = 1; /* the program. */ d0.flgl = 1; pd0 = &d0; for (j=0; j<sizeof(sec) / sizeof(sec[0]); j++) { d0.rrc = (*sec[j])(pd0); d0.crc = d0.crc+d0.rrc; if(d0.flgs != 0) printf("Section %s returned %d.\n",d0.rfs,d0.rrc); } if(d0.crc == 0) printf("\nNo errors detected.\n"); else printf("\nFailed.\n"); return 0; } s22(pd0) /* 2.2 Identifiers (Names) */ struct defs *pd0; { int a234, a; int _, _234, A, rc; static char s22er[] = "s22,er%d\n"; static char qs22[8] = "s22 "; char *ps, *pt; /* Initialize */ rc = 0; ps = qs22; pt = pd0 -> rfs; while (*pt++ = *ps++); /* An identifier is a sequence of letters and digits; the first character must be a letter. The under- score _ counts as a letter. */ a=1; _=2; _234=3; a234=4; if(a+_+_234+a234 != 10) { rc = rc+1; if(pd0->flgd != 0) printf(s22er,1); } /* Upper and lower case letters are different. */ A = 2; if (A == a) { rc = rc+4; if (pd0->flgd != 0) printf(s22er,4); } return(rc); } s241(pd0) /* 2.4.1 Integer constants 2.4.2 Explicit long constants */ struct defs *pd0; { long pow2(); static char s241er[] = "s241,er%d\n"; static char qs241[8] = "s241 "; char *ps, *pt; int rc, j, lrc; static long g[39] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,6,0,8,0,12,0,16,0,18,0,20,0,24, 0,28,0,30,0,32,0,36}; long d[39], o[39], x[39]; rc = 0; lrc = 0; ps = qs241; pt = pd0 -> rfs; while (*pt++ = *ps++); /* An integer constant consisting of a sequence of digits is taken to be octal if it begins with 0 (digit zero), decimal otherwise. */ if ( 8 != 010 || 16 != 020 || 24 != 030 || 32 != 040 || 40 != 050 || 48 != 060 || 56 != 070 || 64 != 0100 || 72 != 0110 || 80 != 0120 || 9 != 0011 || 17 != 0021 || 25 != 0031 || 33 != 0041 || 41 != 0051 || 49 != 0061 || 57 != 0071 || 65 != 0101 || 73 != 0111 || 81 != 0121 ){ rc = rc+1; if( pd0->flgd != 0 ) printf(s241er,1); } /* A sequence of digits preceded by 0x or 0X (digit zero) is taken to be a hexadecimal integer. The hexadecimal digits include a or A through f or F with values 10 through 15. */ if ( 0x00abcdef != 0xabcdef || 0xabcdef != 0Xabcdef || 0Xabcdef != 0XAbcdef || 0XAbcdef != 0XABcdef || 0XABcdef != 0XABCdef || 0XABCdef != 0XABCDef || 0XABCDef != 0XABCDEf || 0XABCDEf != 0XABCDEF || 0xABCDEF != 11259375 ){ rc = rc+2; if( pd0->flgd != 0 ) printf(s241er,2); } /* A decimal constant whose value exceeds the largest signed machine integer is taken to be long; an octal or hex con- stant which exceeds the largest unsigned machine integer is likewise taken to be long. */ if ( sizeof 010000000000 != sizeof(long) /* 2**30 */ || sizeof 1073741824 != sizeof(long) /* ditto */ || sizeof 0x40000000 != sizeof(long) ){ /* " */ rc = rc+4; if( pd0->flgd != 0 ) printf(s241er,4); } /* A decimal, octal, or hexadecimal constant immediately followed by l (letter ell) or L is a long constant. */ if ( sizeof 67l != sizeof(long) || sizeof 67L != sizeof(long) || sizeof 067l != sizeof(long) || sizeof 067L != sizeof(long) || sizeof 0X67l != sizeof(long) || sizeof 0x67L != sizeof(long) ){ rc = rc+8; if( pd0 -> flgd != 0 ) printf(s241er,8); } /* Finally, we test to see that decimal (d), octal (o), and hexadecimal (x) constants representing the same values agree among themselves, and with computed values, at spec- ified points over an appropriate range. The points select- ed here are those with the greatest potential for caus- ing trouble, i.e., zero, 1-16, and values of 2**n and 2**n - 1 where n is some multiple of 4 or 6. Unfortunately, just what happens when a value is too big to fit in a long is undefined; however, it would be nice if what happened were at least consistent... */ for ( j=0; j<17; j++ ) g[j] = j; for ( j=18; j<39; ) { g[j] = pow2(g[j]); g[j-1] = g[j] - 1; j = j+2; } d[0] = 0; o[0] = 00; x[0] = 0x0; d[1] = 1; o[1] = 01; x[1] = 0x1; d[2] = 2; o[2] = 02; x[2] = 0x2; d[3] = 3; o[3] = 03; x[3] = 0x3; d[4] = 4; o[4] = 04; x[4] = 0x4; d[5] = 5; o[5] = 05; x[5] = 0x5; d[6] = 6; o[6] = 06; x[6] = 0x6; d[7] = 7; o[7] = 07; x[7] = 0x7; d[8] = 8; o[8] = 010; x[8] = 0x8; d[9] = 9; o[9] = 011; x[9] = 0x9; d[10] = 10; o[10] = 012; x[10] = 0xa; d[11] = 11; o[11] = 013; x[11] = 0xb; d[12] = 12; o[12] = 014; x[12] = 0xc; d[13] = 13; o[13] = 015; x[13] = 0xd; d[14] = 14; o[14] = 016; x[14] = 0xe; d[15] = 15; o[15] = 017; x[15] = 0xf; d[16] = 16; o[16] = 020; x[16] = 0x10; d[17] = 63; o[17] = 077; x[17] = 0x3f; d[18] = 64; o[18] = 0100; x[18] = 0x40; d[19] = 255; o[19] = 0377; x[19] = 0xff; d[20] = 256; o[20] = 0400; x[20] = 0x100; d[21] = 4095; o[21] = 07777; x[21] = 0xfff; d[22] = 4096; o[22] = 010000; x[22] = 0x1000; d[23] = 65535; o[23] = 0177777; x[23] = 0xffff; d[24] = 65536; o[24] = 0200000; x[24] = 0x10000; d[25] = 262143; o[25] = 0777777; x[25] = 0x3ffff; d[26] = 262144; o[26] = 01000000; x[26] = 0x40000; d[27] = 1048575; o[27] = 03777777; x[27] = 0xfffff; d[28] = 1048576; o[28] = 04000000; x[28] = 0x100000; d[29] = 16777215; o[29] = 077777777; x[29] = 0xffffff; d[30] = 16777216; o[30] = 0100000000; x[30] = 0x1000000; d[31] = 268435455; o[31] = 01777777777; x[31] = 0xfffffff; d[32] = 268435456; o[32] = 02000000000; x[32] = 0x10000000; d[33] = 1073741823; o[33] = 07777777777; x[33] = 0x3fffffff; d[34] = 1073741824; o[34] = 010000000000; x[34] = 0x40000000; d[35] = 4294967295; o[35] = 037777777777; x[35] = 0xffffffff; d[36] = 4294967296; o[36] = 040000000000; x[36] = 0x100000000; d[37] = 68719476735; o[37] = 0777777777777; x[37] = 0xfffffffff; d[38] = 68719476736; o[38] = 01000000000000; x[38] = 0x1000000000; /* WHEW! */ for (j=0; j<39; j++){ if ( g[j] != d[j] || d[j] != o[j] || o[j] != x[j]) { if( pd0 -> flgm != 0 ) { /* printf(s241er,16); save in case opinions change... */ printf("Decimal and octal/hex constants sometimes give\n"); printf(" different results when assigned to longs.\n"); } /* lrc = 1; save... */ } } if (lrc != 0) rc =16; return rc; } long pow2(n) /* Calculate 2**n by multiplying, not shifting */ long n; { long s; s = 1; while(n--) s = s*2; return s; } s243(pd0) /* 2.4.3 Character constants */ struct defs *pd0; { static char s243er[] = "s243,er%d\n"; static char qs243[8] = "s243 "; char *ps, *pt; int rc; char chars[256]; rc = 0; ps = qs243; pt = pd0->rfs; while(*pt++ = *ps++); /* One of the problems that arises when testing character constants is that of definition: What, exactly, is the character set? In order to guarantee a certain amount of machine independence, the character set we will use here is the set of characters writ- able as escape sequences in C, plus those characters used in writ- ing C programs, i.e., letters: ABCDEFGHIJKLMNOPQRSTUVWXYZ 26 abcdefghijklmnopqrstuvwxyz 26 numbers: 0123456789 10 special characters: ~!"#%&()_=-^|{}[]+;*:<>,.?/ 27 extra special characters: newline \n horizontal tab \t backspace \b carriage return \r form feed \f backslash \\ single quote \' 7 blank & NUL 2 --- 98 Any specific implementation of C may of course support additional characters. */ /* Since the value of a character constant is the numerical value of the character in the machine's character set, there should be a one-to-one correspondence between characters and values. */ zerofill(chars); chars['a'] = 1; chars['A'] = 1; chars['~'] = 1; chars['0'] = 1; chars['b'] = 1; chars['B'] = 1; chars['!'] = 1; chars['1'] = 1; chars['c'] = 1; chars['C'] = 1; chars['"'] = 1; chars['2'] = 1; chars['d'] = 1; chars['D'] = 1; chars['#'] = 1; chars['3'] = 1; chars['e'] = 1; chars['E'] = 1; chars['%'] = 1; chars['4'] = 1; chars['f'] = 1; chars['F'] = 1; chars['&'] = 1; chars['5'] = 1; chars['g'] = 1; chars['G'] = 1; chars['('] = 1; chars['6'] = 1; chars['h'] = 1; chars['H'] = 1; chars[')'] = 1; chars['7'] = 1; chars['i'] = 1; chars['I'] = 1; chars['_'] = 1; chars['8'] = 1; chars['j'] = 1; chars['J'] = 1; chars['='] = 1; chars['9'] = 1; chars['k'] = 1; chars['K'] = 1; chars['-'] = 1; chars['l'] = 1; chars['L'] = 1; chars['^'] = 1; chars['m'] = 1; chars['M'] = 1; chars['|'] = 1; chars['\n'] = 1; chars['n'] = 1; chars['N'] = 1; chars['\t'] = 1; chars['o'] = 1; chars['O'] = 1; chars['{'] = 1; chars['\b'] = 1; chars['p'] = 1; chars['P'] = 1; chars['}'] = 1; chars['\r'] = 1; chars['q'] = 1; chars['Q'] = 1; chars['['] = 1; chars['\f'] = 1; chars['r'] = 1; chars['R'] = 1; chars[']'] = 1; chars['s'] = 1; chars['S'] = 1; chars['+'] = 1; chars['\\'] = 1; chars['t'] = 1; chars['T'] = 1; chars[';'] = 1; chars['\''] = 1; chars['u'] = 1; chars['U'] = 1; chars['*'] = 1; chars['v'] = 1; chars['V'] = 1; chars[':'] = 1; chars['\0'] = 1; chars['w'] = 1; chars['W'] = 1; chars['<'] = 1; chars[' '] = 1; chars['x'] = 1; chars['X'] = 1; chars['>'] = 1; chars['y'] = 1; chars['Y'] = 1; chars[','] = 1; chars['z'] = 1; chars['Z'] = 1; chars['.'] = 1; chars['?'] = 1; chars['/'] = 1; if(sumof(chars) != 98){ rc = rc+1; if(pd0->flgd != 0) printf(s243er,1); } /* Finally, the escape \ddd consists of the backslash followed by 1, 2, or 3 octal digits which are taken to specify the desired character. */ if( '\0' != 0 || '\01' != 1 || '\02' != 2 || '\03' != 3 || '\04' != 4 || '\05' != 5 || '\06' != 6 || '\07' != 7 || '\10' != 8 || '\17' != 15 || '\20' != 16 || '\77' != 63 || '\100' != 64 || '\177' != 127 ){ rc = rc+8; if(pd0->flgd != 0) printf(s243er,8); } return rc; } zerofill(x) char *x; { int j; for (j=0; j<256; j++) *x++ = 0; } sumof(x) char *x; { char *p; int total, j; p = x; total = 0; for(j=0; j<256; j++) total = total+ *p++; return total; } s244(pd0) struct defs *pd0; { double a[8]; int rc, lrc, j; static char s244er[] = "s244,er%d\n"; static char qs244[8] = "s244 "; char *ps, *pt; ps = qs244; pt = pd0->rfs; while(*pt++ = *ps++); rc = 0; lrc = 0; /* Unfortunately, there's not a lot we can do with floating constants. We can check to see that the various representations can be com- piled, that the conversion is such that they yield the same hard- ware representations in all cases, and that all representations thus checked are double precision. */ a[0] = .1250E+04; a[1] = 1.250E3; a[2] = 12.50E02; a[3] = 125.0e+1; a[4] = 1250e00; a[5] = 12500.e-01; a[6] = 125000e-2; a[7] = 1250.; lrc = 0; for (j=0; j<7; j++) if(a[j] != a[j+1]) lrc = 1; if(lrc != 0) { if(pd0->flgd != 0) printf(s244er,1); rc = rc+1; } if ( (sizeof .1250E+04 ) != sizeof(double) || (sizeof 1.250E3 ) != sizeof(double) || (sizeof 12.50E02 ) != sizeof(double) || (sizeof 1.250e+1 ) != sizeof(double) || (sizeof 1250e00 ) != sizeof(double) || (sizeof 12500.e-01) != sizeof(double) || (sizeof 125000e-2 ) != sizeof(double) || (sizeof 1250. ) != sizeof(double)){ if(pd0->flgd != 0) printf(s244er,2); rc = rc+2; } return rc; } s25(pd0) struct defs *pd0; { char *s, *s2; int rc, lrc, j; static char s25er[] = "s25,er%d\n"; static char qs25[8] = "s25 "; char *ps, *pt; ps = qs25; pt = pd0->rfs; while(*pt++ = *ps++); rc = 0; /* A string is a sequence of characters surrounded by double quotes, as in "...". */ s = "..."; /* A string has type "array of characters" and storage class static and is initialized with the given characters. */ if ( s[0] != s[1] || s[1] != s[2] || s[2] != '.' ) { rc = rc+1; if(pd0->flgd != 0) printf(s25er,1); } /* The compiler places a null byte \0 at the end of each string so the program which scans the string can find its end. */ if( s[3] != '\0' ){ rc = rc+4; if(pd0->flgd != 0) printf(s25er,4); } /* In a string, the double quote character " must be preceded by a \. */ if( ".\"."[1] != '"' ){ rc = rc+8; if(pd0->flgd != 0) printf(s25er,8); } /* In addition, the same escapes described for character constants may be used. */ s = "\n\t\b\r\f\\\'"; if( s[0] != '\n' || s[1] != '\t' || s[2] != '\b' || s[3] != '\r' || s[4] != '\f' || s[5] != '\\' || s[6] != '\'' ){ rc = rc+16; if( pd0->flgd != 0) printf(s25er,16); } /* Finally, a \ and an immediately following newline are ignored */ s2 = "queep!"; s = "queep!"; lrc = 0; for (j=0; j<sizeof "queep!"; j++) if(s[j] != s2[j]) lrc = 1; if (lrc != 0){ rc = rc+32; if(pd0->flgd != 0) printf(s25er,32); } return rc; } s26(pd0) /* 2.6 Hardware Characteristics */ struct defs *pd0; { static char qs26[8] = "s26 "; char *ps, *pt; char c0, c1; float temp, one, delta; double tempd, oned; static char s[] = "%3d bits in %ss.\n"; static char s2[] = "%e is the least number that can be added to 1. (%s).\n"; ps = qs26; pt = pd0->rfs; while(*pt++ = *ps++); /* Here, we shake the machinery a little to see what falls out. First, we find out how many bits are in a char. */ pd0->cbits = 0; c0 = 0; c1 = 1; while(c0 != c1) { c1 = c1<<1; pd0->cbits = pd0->cbits+1; } /* That information lets us determine the size of everything else. */ pd0->ibits = pd0->cbits * sizeof(int); pd0->sbits = pd0->cbits * sizeof(short); pd0->lbits = pd0->cbits * sizeof(long); pd0->ubits = pd0->cbits * sizeof(unsigned); pd0->fbits = pd0->cbits * sizeof(float); pd0->dbits = pd0->cbits * sizeof(double); /* We have now almost reconstructed the table in section 2.6, the exception being the range of the floating point hardware. Now there are just so many ways to conjure up a floating point representation system that it's damned near impossible to guess what's going on by writing a program to interpret bit patterns. Further, the information isn't all that useful, if we consider the fact that machines that won't handle numbers between 10**30 and 10**-30 are very hard to find, and that people playing with numbers outside that range have a lot more to worry about than just the capacity of the characteristic. A much more useful measure is the precision, which can be ex- pressed in terms of the smallest number that can be added to 1. without loss of significance. We calculate that here, for float and double. */ one = 1.; delta = 1.; temp = 0.; while(temp != one) { temp = one+delta; delta = delta/2.; } pd0->fprec = delta * 4.; oned = 1.; delta = 1.; tempd = 0.; while(tempd != oned) { tempd = oned+delta; delta = delta/2.; } pd0->dprec = delta * 4.; /* Now, if anyone's interested, we publish the results. */ if(pd0->flgm != 0) { printf(s,pd0->cbits,"char"); printf(s,pd0->ibits,"int"); printf(s,pd0->sbits,"short"); printf(s,pd0->lbits,"long"); printf(s,pd0->ubits,"unsigned"); printf(s,pd0->fbits,"float"); printf(s,pd0->dbits,"double"); printf(s2,pd0->fprec,"float"); printf(s2,pd0->dprec,"double"); } /* Since we are only exploring and perhaps reporting, but not testing any features, we cannot return an error code. */ return 0; } int extvar; s4(pd0) /* 4. What's in a name? */ struct defs *pd0; { static char s4er[] = "s4,er%d\n"; static char qs4[8] = "s4 "; char *ps, *pt; int j, rc; short sint; /* short integer, for size test */ int pint; /* plain */ long lint; /* long */ unsigned target; unsigned int mask; rc = 0; ps = qs4; pt = pd0->rfs; while(*pt++ = *ps++); /* There are four declarable storage classes: automatic, static, external, and register. Automatic variables have been dealt with extensively thus far, and will not be specif- ically treated in this section. Register variables are treated in section s81. Static variables are local to a block, but retain their values upon reentry to a block, even after control has left the block. */ for (j=0; j<3; j++) if(svtest(j) != zero()){ rc = 1; if(pd0->flgd != 0) printf(s4er,1); } ; /* External variables exist and retain their values throughout the execution of the entire program, and may be used for comm- unication between functions, even separately compiled functions. */ setev(); if(testev() != 0){ rc=rc+2; if(pd0->flgd != 0) printf(s4er,2); } /* Characters have been tested elsewhere (in s243). Up to three sizes of integer, declared short int, int, and long int, are available. Longer integers provide no less storage than shorter ones, but implementation may make either short integers, or long integers, or both, equivalent to plain integers. */ if(sizeof lint < sizeof pint || sizeof pint < sizeof sint){ rc = rc+4; if(pd0->flgd != 0) printf(s4er,4); } /* Unsigned integers, declared unsigned, obey the laws of arithmetic modulo 2**n, where n is the number of bits in the implementation */ target = ~0U; mask = 1; for(j=0; j<(sizeof target)*pd0->cbits; j++){ mask = mask⌖ target = target>>1; } if(mask != 1 || target != 0){ rc = rc+8; if(pd0->flgd != 0) printf(s4er,8); } return rc; } svtest(n) int n; { static k; int rc; switch (n) { case 0: k = 1978; rc = 0; break; case 1: if(k != 1978) rc = 1; else{ k = 1929; rc = 0; } break; case 2: if(k != 1929) rc = 1; else rc = 0; break; } return rc; } zero(){ /* Returns a value of zero, possibly */ static k; /* with side effects, as it's called */ int rc; /* alternately with svtest, above, */ k = 2; /* and has the same internal storage */ rc = 0; /* requirements. */ return rc; } testev(){ if(extvar != 1066) return 1; else return 0; } s61(pd0) /* Characters and integers */ struct defs *pd0; { static char s61er[] = "s61,er%d\n"; static char qs61[8] = "s61 "; short from, shortint; long int to, longint; int rc, lrc; int j; char fromc, charint; char *wd, *pc[6]; static char upper_alpha[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; static char lower_alpha[] = "abcdefghijklmnopqrstuvwxyz"; static char numbers[] = "0123456789"; static char special_characters[] = "~!\"#%&()_=-^|{}[]+;*:<>,.?/"; static char extra_special_characters[] = "\n\t\b\r\f\\\'"; static char blank_and_NUL[] = " \0"; char *ps, *pt; ps = qs61; pt = pd0->rfs; rc = 0; while (*pt++ = *ps++); /* A character or a short integer may be used wherever an integer may be used. In all cases, the value is converted to integer. This principle is extensively used throughout this program, and will not be explicitly tested here. */ /* Conversion of a shorter integer to a longer always involves sign extension. */ from = -19; to = from; if(to != -19){ rc = rc+1; if(pd0->flgd != 0) printf(s61er,1); } /* It is guaranteed that a member of the standard char- acter set is nonnegative. */ pc[0] = upper_alpha; pc[1] = lower_alpha; pc[2] = numbers; pc[3] = special_characters; pc[4] = extra_special_characters; pc[5] = blank_and_NUL; lrc = 0; for (j=0; j<6; j++) while(*pc[j]) if(*pc[j]++ < 0) lrc =1; if(lrc != 0){ rc=rc+2; if(pd0->flgd != 0) printf(s61er,2); } /* When a longer integer is converted to a shorter or to a char, it is truncated on the left; excess bits are simply discarded. */ longint = 1048579; /* =2**20+3 */ shortint = longint; charint = longint; if((shortint != longint && shortint != 3) || (charint != longint && charint != 3)) { rc = rc+8; if(pd0->flgd != 0) printf(s61er,8); } return rc; } s626(pd0) /* 6.2 Float and double */ /* 6.3 Floating and integral */ /* 6.4 Pointers and integers */ /* 6.5 Unsigned */ /* 6.6 Arithmetic conversions */ struct defs *pd0; { static char s626er[] = "s626,er%d\n"; static char qs626[8] = "s626 "; int rc; char *ps, *pt; float eps, f1, f2, f3, f4, f; long lint1, lint2, l, ls; char c, t[28], t0; short s; int is, i, j; unsigned u, us; double d, ds; ps = qs626; pt = pd0->rfs; rc = 0; while (*pt++ = *ps++); /* Conversions of integral values to floating type are well-behaved. */ f1 = 1.; lint1 = 1.; lint2 = 1.; for(j=0;j<pd0->lbits-2;j++){ f1 = f1*2; lint2 = (lint2<<1)|lint1; } f2 = lint2; f1 = (f1-f2)/f1; if(f1>2.*pd0->fprec){ rc = rc+2; if(pd0->flgd != 0) printf(s626er,2); } /* Pointer-integer combinations are discussed in s74, "Additive operators". The unsigned-int combination appears below. */ c = 125; s = 125; i = 125; is = 15625; u = 125; us = 15625; l = 125; ls = 15625; f = 125.; d = 125.; ds = 15625.; for(j=0;j<28;j++) t[j] = 0; if(c*c != is) t[ 0] = 1; if(s*c != is) t[ 1] = 1; if(s*s != is) t[ 2] = 1; if(i*c != is) t[ 3] = 1; if(i*s != is) t[ 4] = 1; if(i*i != is) t[ 5] = 1; if(u*c != us) t[ 6] = 1; if(u*s != us) t[ 7] = 1; if(u*i != us) t[ 8] = 1; if(u*u != us) t[ 9] = 1; if(l*c != ls) t[10] = 1; if(l*s != ls) t[11] = 1; if(l*i != ls) t[12] = 1; if(l*u != us) t[13] = 1; if(l*l != ls) t[14] = 1; if(f*c != ds) t[15] = 1; if(f*s != ds) t[16] = 1; if(f*i != ds) t[17] = 1; if(f*u != ds) t[18] = 1; if(f*l != ds) t[19] = 1; if(f*f != ds) t[20] = 1; if(d*c != ds) t[21] = 1; if(d*s != ds) t[22] = 1; if(d*i != ds) t[23] = 1; if(d*u != ds) t[24] = 1; if(d*l != ds) t[25] = 1; if(d*f != ds) t[26] = 1; if(d*d != ds) t[27] = 1; t0 = 0; for(j=0; j<28; j++) t0 = t0+t[j]; if(t0 != 0){ rc = rc+4; if(pd0->flgd != 0){ printf(s626er,4); printf(" key="); for(j=0;j<28;j++) printf("%d",t[j]); printf("\n"); } } /* When an unsigned integer is converted to long, the value of the result is the same numerically as that of the unsigned integer. */ l = (unsigned)0100000; if((long)l > (unsigned)0100000){ rc = rc+8; if(pd0->flgd != 0) printf(s626er,8); } return rc; } s71(pd0) /* 7.1 Primary expressions */ struct defs *pd0; { static char s71er[] = "s71,er%d\n"; static char qs71[8] = "s71 "; int rc; char *ps, *pt; static char q = 'q'; int x[10], McCarthy(), clobber(), a, b, *p; ps = qs71; pt = pd0->rfs; rc = 0; while (*pt++ = *ps++); /* Testing of expressions and operators is quite complicated, because (a) problems are apt to surface in queer combinations of operators and operands, rather than in isolation, and (b) the number of expressions needed to provoke a case of improper behaviour may be quite large. Hence, we take the following approach: for this section, and for subsequent sections through 7.15, we will check the primitive operations in isolation, thus verifying that the primitives work, after a fashion. The job of testing combinations, we will leave to a separate, machine-generated program, to be included in the C test package at some later date. */ /* A string is a primary expression. The identifier points to the first character of a string. */ if(*"queep" != q){ rc = rc+1; if(pd0->flgd != 0) printf(s71er,1); } /* A parenthesized expression is a primary expression whose type and value are the same as those of the unadorned expression. */ if((2+3) != 2+3) { rc = rc+2; if(pd0->flgd != 0) printf(s71er,2); } /* A primary expression followed by an expression in square brackets is a primary expression. The intuitive meaning is that of a subscript. The expression E1[E2] is identical (by definition) to *((E1)+(E2)). */ x[5] = 1942; if(x[5] != 1942 || x[5] != *((x)+(5))){ rc = rc+4; if(pd0->flgd != 0) printf(s71er,4); } /* If the various flavors of function calls didn't work, we would never have gotten this far; however, we do need to show that functions can be recursive... */ if ( McCarthy(-5) != 91){ rc = rc+8; if(pd0->flgd != 0) printf(s71er,8); } /* and that argument passing is strictly by value. */ a = 2; b = 3; p = &b; clobber(a,p); if(a != 2 || b != 2){ rc = rc+16; if(pd0->flgd != 0) printf(s71er,16); } /* Finally, structures and unions are addressed thusly: */ if(pd0->dprec != (*pd0).dprec){ rc = rc+32; if(pd0->flgd != 0) printf(s71er,32); } return rc; } McCarthy(x) int x; { if(x>100) return x-10; else return McCarthy( McCarthy(x+11)); } clobber(x,y) int x, *y; { x = 3; *y = 2; } s714(pd0) /* 7.14 Assignment operators */ struct defs *pd0; { static char f[] = "Local error %d.\n"; static char s714er[] = "s714,er%d\n"; static char qs714[8] = "s714 "; register int prlc, lrc; int rc; char cl, cr; short sl, sr; int il, ir; long ll, lr; unsigned ul, ur; float fl, fr; double dl, dr; char *ps, *pt; ps = qs714; pt = pd0->rfs; rc = 0; lrc = 0; prlc = pd0->flgl; while (*pt++ = *ps++); /* This section tests the assignment operators. It is an exhaustive test of all assignment statements of the form: vl op vr where vl and vr are variables from the set {char,short,int,long,unsigned,float,double} and op is one of the assignment operators. There are 395 such statements. The initial values for the variables have been chosen so that both the initial values and the results will "fit" in just about any implementation, and that the re- sults will be such that they test for the proper form- ation of composite operators, rather than checking for the valid operation of those operators' components. For example, in checking >>=, we want to verify that a right shift and a move take place, rather than whether or not there may be some peculiarities about the right shift. Such tests have been made previously, and to repeat them here would be to throw out a red herring. The table below lists the operators, assignment targets, initial values for left and right operands, and the expected values of the results. = += -= *= /= %= >>= <<= &= ^= |= char 2 7 3 10 2 1 1 20 8 6 14 short 2 7 3 10 2 1 1 20 8 6 14 int 2 7 3 10 2 1 1 20 8 6 14 long 2 7 3 10 2 1 1 20 8 6 14 unsigned 2 7 3 10 2 1 1 20 8 6 14 float 2 7 3 10 2.5 | | double 2 7 3 10 2.5 | | | | initial (5,2) | (5,2) | (12,10) The following machine-generated program reflects the tests described in the table. */ cl = 5; cr = 2; cl = cr; if(cl != 2){ lrc = 1; if(prlc) printf(f,lrc); } cl = 5; sr = 2; cl = sr; if(cl != 2){ lrc = 2; if(prlc) printf(f,lrc); } cl = 5; ir = 2; cl = ir; if(cl != 2){ lrc = 3; if(prlc) printf(f,lrc); } cl = 5; lr = 2; cl = lr; if(cl != 2){ lrc = 4; if(prlc) printf(f,lrc); } cl = 5; ur = 2; cl = ur; if(cl != 2){ lrc = 5; if(prlc) printf(f,lrc); } cl = 5; fr = 2; cl = fr; if(cl != 2){ lrc = 6; if(prlc) printf(f,lrc); } cl = 5; dr = 2; cl = dr; if(cl != 2){ lrc = 7; if(prlc) printf(f,lrc); } sl = 5; cr = 2; sl = cr; if(sl != 2){ lrc = 8; if(prlc) printf(f,lrc); } sl = 5; sr = 2; sl = sr; if(sl != 2){ lrc = 9; if(prlc) printf(f,lrc); } sl = 5; ir = 2; sl = ir; if(sl != 2){ lrc = 10; if(prlc) printf(f,lrc); } sl = 5; lr = 2; sl = lr; if(sl != 2){ lrc = 11; if(prlc) printf(f,lrc); } sl = 5; ur = 2; sl = ur; if(sl != 2){ lrc = 12; if(prlc) printf(f,lrc); } sl = 5; fr = 2; sl = fr; if(sl != 2){ lrc = 13; if(prlc) printf(f,lrc); } sl = 5; dr = 2; sl = dr; if(sl != 2){ lrc = 14; if(prlc) printf(f,lrc); } il = 5; cr = 2; il = cr; if(il != 2){ lrc = 15; if(prlc) printf(f,lrc); } il = 5; sr = 2; il = sr; if(il != 2){ lrc = 16; if(prlc) printf(f,lrc); } il = 5; ir = 2; il = ir; if(il != 2){ lrc = 17; if(prlc) printf(f,lrc); } il = 5; lr = 2; il = lr; if(il != 2){ lrc = 18; if(prlc) printf(f,lrc); } il = 5; ur = 2; il = ur; if(il != 2){ lrc = 19; if(prlc) printf(f,lrc); } il = 5; fr = 2; il = fr; if(il != 2){ lrc = 20; if(prlc) printf(f,lrc); } il = 5; dr = 2; il = dr; if(il != 2){ lrc = 21; if(prlc) printf(f,lrc); } ll = 5; cr = 2; ll = cr; if(ll != 2){ lrc = 22; if(prlc) printf(f,lrc); } ll = 5; sr = 2; ll = sr; if(ll != 2){ lrc = 23; if(prlc) printf(f,lrc); } ll = 5; ir = 2; ll = ir; if(ll != 2){ lrc = 24; if(prlc) printf(f,lrc); } ll = 5; lr = 2; ll = lr; if(ll != 2){ lrc = 25; if(prlc) printf(f,lrc); } ll = 5; ur = 2; ll = ur; if(ll != 2){ lrc = 26; if(prlc) printf(f,lrc); } ll = 5; fr = 2; ll = fr; if(ll != 2){ lrc = 27; if(prlc) printf(f,lrc); } ll = 5; dr = 2; ll = dr; if(ll != 2){ lrc = 28; if(prlc) printf(f,lrc); } ul = 5; cr = 2; ul = cr; if(ul != 2){ lrc = 29; if(prlc) printf(f,lrc); } ul = 5; sr = 2; ul = sr; if(ul != 2){ lrc = 30; if(prlc) printf(f,lrc); } ul = 5; ir = 2; ul = ir; if(ul != 2){ lrc = 31; if(prlc) printf(f,lrc); } ul = 5; lr = 2; ul = lr; if(ul != 2){ lrc = 32; if(prlc) printf(f,lrc); } ul = 5; ur = 2; ul = ur; if(ul != 2){ lrc = 33; if(prlc) printf(f,lrc); } ul = 5; fr = 2; ul = fr; if(ul != 2){ lrc = 34; if(prlc) printf(f,lrc); } ul = 5; dr = 2; ul = dr; if(ul != 2){ lrc = 35; if(prlc) printf(f,lrc); } fl = 5; cr = 2; fl = cr; if(fl != 2){ lrc = 36; if(prlc) printf(f,lrc); } fl = 5; sr = 2; fl = sr; if(fl != 2){ lrc = 37; if(prlc) printf(f,lrc); } fl = 5; ir = 2; fl = ir; if(fl != 2){ lrc = 38; if(prlc) printf(f,lrc); } fl = 5; lr = 2; fl = lr; if(fl != 2){ lrc = 39; if(prlc) printf(f,lrc); } fl = 5; ur = 2; fl = ur; if(fl != 2){ lrc = 40; if(prlc) printf(f,lrc); } fl = 5; fr = 2; fl = fr; if(fl != 2){ lrc = 41; if(prlc) printf(f,lrc); } fl = 5; dr = 2; fl = dr; if(fl != 2){ lrc = 42; if(prlc) printf(f,lrc); } dl = 5; cr = 2; dl = cr; if(dl != 2){ lrc = 43; if(prlc) printf(f,lrc); } dl = 5; sr = 2; dl = sr; if(dl != 2){ lrc = 44; if(prlc) printf(f,lrc); } dl = 5; ir = 2; dl = ir; if(dl != 2){ lrc = 45; if(prlc) printf(f,lrc); } dl = 5; lr = 2; dl = lr; if(dl != 2){ lrc = 46; if(prlc) printf(f,lrc); } dl = 5; ur = 2; dl = ur; if(dl != 2){ lrc = 47; if(prlc) printf(f,lrc); } dl = 5; fr = 2; dl = fr; if(dl != 2){ lrc = 48; if(prlc) printf(f,lrc); } dl = 5; dr = 2; dl = dr; if(dl != 2){ lrc = 49; if(prlc) printf(f,lrc); } cl = 5; cr = 2; cl += cr; if(cl != 7){ lrc = 50; if(prlc) printf(f,lrc); } cl = 5; sr = 2; cl += sr; if(cl != 7){ lrc = 51; if(prlc) printf(f,lrc); } cl = 5; ir = 2; cl += ir; if(cl != 7){ lrc = 52; if(prlc) printf(f,lrc); } cl = 5; lr = 2; cl += lr; if(cl != 7){ lrc = 53; if(prlc) printf(f,lrc); } cl = 5; ur = 2; cl += ur; if(cl != 7){ lrc = 54; if(prlc) printf(f,lrc); } cl = 5; fr = 2; cl += fr; if(cl != 7){ lrc = 55; if(prlc) printf(f,lrc); } cl = 5; dr = 2; cl += dr; if(cl != 7){ lrc = 56; if(prlc) printf(f,lrc); } sl = 5; cr = 2; sl += cr; if(sl != 7){ lrc = 57; if(prlc) printf(f,lrc); } sl = 5; sr = 2; sl += sr; if(sl != 7){ lrc = 58; if(prlc) printf(f,lrc); } sl = 5; ir = 2; sl += ir; if(sl != 7){ lrc = 59; if(prlc) printf(f,lrc); } sl = 5; lr = 2; sl += lr; if(sl != 7){ lrc = 60; if(prlc) printf(f,lrc); } sl = 5; ur = 2; sl += ur; if(sl != 7){ lrc = 61; if(prlc) printf(f,lrc); } sl = 5; fr = 2; sl += fr; if(sl != 7){ lrc = 62; if(prlc) printf(f,lrc); } sl = 5; dr = 2; sl += dr; if(sl != 7){ lrc = 63; if(prlc) printf(f,lrc); } il = 5; cr = 2; il += cr; if(il != 7){ lrc = 64; if(prlc) printf(f,lrc); } il = 5; sr = 2; il += sr; if(il != 7){ lrc = 65; if(prlc) printf(f,lrc); } il = 5; ir = 2; il += ir; if(il != 7){ lrc = 66; if(prlc) printf(f,lrc); } il = 5; lr = 2; il += lr; if(il != 7){ lrc = 67; if(prlc) printf(f,lrc); } il = 5; ur = 2; il += ur; if(il != 7){ lrc = 68; if(prlc) printf(f,lrc); } il = 5; fr = 2; il += fr; if(il != 7){ lrc = 69; if(prlc) printf(f,lrc); } il = 5; dr = 2; il += dr; if(il != 7){ lrc = 70; if(prlc) printf(f,lrc); } ll = 5; cr = 2; ll += cr; if(ll != 7){ lrc = 71; if(prlc) printf(f,lrc); } ll = 5; sr = 2; ll += sr; if(ll != 7){ lrc = 72; if(prlc) printf(f,lrc); } ll = 5; ir = 2; ll += ir; if(ll != 7){ lrc = 73; if(prlc) printf(f,lrc); } ll = 5; lr = 2; ll += lr; if(ll != 7){ lrc = 74; if(prlc) printf(f,lrc); } ll = 5; ur = 2; ll += ur; if(ll != 7){ lrc = 75; if(prlc) printf(f,lrc); } ll = 5; fr = 2; ll += fr; if(ll != 7){ lrc = 76; if(prlc) printf(f,lrc); } ll = 5; dr = 2; ll += dr; if(ll != 7){ lrc = 77; if(prlc) printf(f,lrc); } ul = 5; cr = 2; ul += cr; if(ul != 7){ lrc = 78; if(prlc) printf(f,lrc); } ul = 5; sr = 2; ul += sr; if(ul != 7){ lrc = 79; if(prlc) printf(f,lrc); } ul = 5; ir = 2; ul += ir; if(ul != 7){ lrc = 80; if(prlc) printf(f,lrc); } ul = 5; lr = 2; ul += lr; if(ul != 7){ lrc = 81; if(prlc) printf(f,lrc); } ul = 5; ur = 2; ul += ur; if(ul != 7){ lrc = 82; if(prlc) printf(f,lrc); } ul = 5; fr = 2; ul += fr; if(ul != 7){ lrc = 83; if(prlc) printf(f,lrc); } ul = 5; dr = 2; ul += dr; if(ul != 7){ lrc = 84; if(prlc) printf(f,lrc); } fl = 5; cr = 2; fl += cr; if(fl != 7){ lrc = 85; if(prlc) printf(f,lrc); } fl = 5; sr = 2; fl += sr; if(fl != 7){ lrc = 86; if(prlc) printf(f,lrc); } fl = 5; ir = 2; fl += ir; if(fl != 7){ lrc = 87; if(prlc) printf(f,lrc); } fl = 5; lr = 2; fl += lr; if(fl != 7){ lrc = 88; if(prlc) printf(f,lrc); } fl = 5; ur = 2; fl += ur; if(fl != 7){ lrc = 89; if(prlc) printf(f,lrc); } fl = 5; fr = 2; fl += fr; if(fl != 7){ lrc = 90; if(prlc) printf(f,lrc); } fl = 5; dr = 2; fl += dr; if(fl != 7){ lrc = 91; if(prlc) printf(f,lrc); } dl = 5; cr = 2; dl += cr; if(dl != 7){ lrc = 92; if(prlc) printf(f,lrc); } dl = 5; sr = 2; dl += sr; if(dl != 7){ lrc = 93; if(prlc) printf(f,lrc); } dl = 5; ir = 2; dl += ir; if(dl != 7){ lrc = 94; if(prlc) printf(f,lrc); } dl = 5; lr = 2; dl += lr; if(dl != 7){ lrc = 95; if(prlc) printf(f,lrc); } dl = 5; ur = 2; dl += ur; if(dl != 7){ lrc = 96; if(prlc) printf(f,lrc); } dl = 5; fr = 2; dl += fr; if(dl != 7){ lrc = 97; if(prlc) printf(f,lrc); } dl = 5; dr = 2; dl += dr; if(dl != 7){ lrc = 98; if(prlc) printf(f,lrc); } cl = 5; cr = 2; cl -= cr; if(cl != 3){ lrc = 99; if(prlc) printf(f,lrc); } cl = 5; sr = 2; cl -= sr; if(cl != 3){ lrc = 100; if(prlc) printf(f,lrc); } cl = 5; ir = 2; cl -= ir; if(cl != 3){ lrc = 101; if(prlc) printf(f,lrc); } cl = 5; lr = 2; cl -= lr; if(cl != 3){ lrc = 102; if(prlc) printf(f,lrc); } cl = 5; ur = 2; cl -= ur; if(cl != 3){ lrc = 103; if(prlc) printf(f,lrc); } cl = 5; fr = 2; cl -= fr; if(cl != 3){ lrc = 104; if(prlc) printf(f,lrc); } cl = 5; dr = 2; cl -= dr; if(cl != 3){ lrc = 105; if(prlc) printf(f,lrc); } sl = 5; cr = 2; sl -= cr; if(sl != 3){ lrc = 106; if(prlc) printf(f,lrc); } sl = 5; sr = 2; sl -= sr; if(sl != 3){ lrc = 107; if(prlc) printf(f,lrc); } sl = 5; ir = 2; sl -= ir; if(sl != 3){ lrc = 108; if(prlc) printf(f,lrc); } sl = 5; lr = 2; sl -= lr; if(sl != 3){ lrc = 109; if(prlc) printf(f,lrc); } sl = 5; ur = 2; sl -= ur; if(sl != 3){ lrc = 110; if(prlc) printf(f,lrc); } sl = 5; fr = 2; sl -= fr; if(sl != 3){ lrc = 111; if(prlc) printf(f,lrc); } sl = 5; dr = 2; sl -= dr; if(sl != 3){ lrc = 112; if(prlc) printf(f,lrc); } il = 5; cr = 2; il -= cr; if(il != 3){ lrc = 113; if(prlc) printf(f,lrc); } il = 5; sr = 2; il -= sr; if(il != 3){ lrc = 114; if(prlc) printf(f,lrc); } il = 5; ir = 2; il -= ir; if(il != 3){ lrc = 115; if(prlc) printf(f,lrc); } il = 5; lr = 2; il -= lr; if(il != 3){ lrc = 116; if(prlc) printf(f,lrc); } il = 5; ur = 2; il -= ur; if(il != 3){ lrc = 117; if(prlc) printf(f,lrc); } il = 5; fr = 2; il -= fr; if(il != 3){ lrc = 118; if(prlc) printf(f,lrc); } il = 5; dr = 2; il -= dr; if(il != 3){ lrc = 119; if(prlc) printf(f,lrc); } ll = 5; cr = 2; ll -= cr; if(ll != 3){ lrc = 120; if(prlc) printf(f,lrc); } ll = 5; sr = 2; ll -= sr; if(ll != 3){ lrc = 121; if(prlc) printf(f,lrc); } ll = 5; ir = 2; ll -= ir; if(ll != 3){ lrc = 122; if(prlc) printf(f,lrc); } ll = 5; lr = 2; ll -= lr; if(ll != 3){ lrc = 123; if(prlc) printf(f,lrc); } ll = 5; ur = 2; ll -= ur; if(ll != 3){ lrc = 124; if(prlc) printf(f,lrc); } ll = 5; fr = 2; ll -= fr; if(ll != 3){ lrc = 125; if(prlc) printf(f,lrc); } ll = 5; dr = 2; ll -= dr; if(ll != 3){ lrc = 126; if(prlc) printf(f,lrc); } ul = 5; cr = 2; ul -= cr; if(ul != 3){ lrc = 127; if(prlc) printf(f,lrc); } ul = 5; sr = 2; ul -= sr; if(ul != 3){ lrc = 128; if(prlc) printf(f,lrc); } ul = 5; ir = 2; ul -= ir; if(ul != 3){ lrc = 129; if(prlc) printf(f,lrc); } ul = 5; lr = 2; ul -= lr; if(ul != 3){ lrc = 130; if(prlc) printf(f,lrc); } ul = 5; ur = 2; ul -= ur; if(ul != 3){ lrc = 131; if(prlc) printf(f,lrc); } ul = 5; fr = 2; ul -= fr; if(ul != 3){ lrc = 132; if(prlc) printf(f,lrc); } ul = 5; dr = 2; ul -= dr; if(ul != 3){ lrc = 133; if(prlc) printf(f,lrc); } fl = 5; cr = 2; fl -= cr; if(fl != 3){ lrc = 134; if(prlc) printf(f,lrc); } fl = 5; sr = 2; fl -= sr; if(fl != 3){ lrc = 135; if(prlc) printf(f,lrc); } fl = 5; ir = 2; fl -= ir; if(fl != 3){ lrc = 136; if(prlc) printf(f,lrc); } fl = 5; lr = 2; fl -= lr; if(fl != 3){ lrc = 137; if(prlc) printf(f,lrc); } fl = 5; ur = 2; fl -= ur; if(fl != 3){ lrc = 138; if(prlc) printf(f,lrc); } fl = 5; fr = 2; fl -= fr; if(fl != 3){ lrc = 139; if(prlc) printf(f,lrc); } fl = 5; dr = 2; fl -= dr; if(fl != 3){ lrc = 140; if(prlc) printf(f,lrc); } dl = 5; cr = 2; dl -= cr; if(dl != 3){ lrc = 141; if(prlc) printf(f,lrc); } dl = 5; sr = 2; dl -= sr; if(dl != 3){ lrc = 142; if(prlc) printf(f,lrc); } dl = 5; ir = 2; dl -= ir; if(dl != 3){ lrc = 143; if(prlc) printf(f,lrc); } dl = 5; lr = 2; dl -= lr; if(dl != 3){ lrc = 144; if(prlc) printf(f,lrc); } dl = 5; ur = 2; dl -= ur; if(dl != 3){ lrc = 145; if(prlc) printf(f,lrc); } dl = 5; fr = 2; dl -= fr; if(dl != 3){ lrc = 146; if(prlc) printf(f,lrc); } dl = 5; dr = 2; dl -= dr; if(dl != 3){ lrc = 147; if(prlc) printf(f,lrc); } cl = 5; cr = 2; cl *= cr; if(cl != 10){ lrc = 148; if(prlc) printf(f,lrc); } cl = 5; sr = 2; cl *= sr; if(cl != 10){ lrc = 149; if(prlc) printf(f,lrc); } cl = 5; ir = 2; cl *= ir; if(cl != 10){ lrc = 150; if(prlc) printf(f,lrc); } cl = 5; lr = 2; cl *= lr; if(cl != 10){ lrc = 151; if(prlc) printf(f,lrc); } cl = 5; ur = 2; cl *= ur; if(cl != 10){ lrc = 152; if(prlc) printf(f,lrc); } cl = 5; fr = 2; cl *= fr; if(cl != 10){ lrc = 153; if(prlc) printf(f,lrc); } cl = 5; dr = 2; cl *= dr; if(cl != 10){ lrc = 154; if(prlc) printf(f,lrc); } sl = 5; cr = 2; sl *= cr; if(sl != 10){ lrc = 155; if(prlc) printf(f,lrc); } sl = 5; sr = 2; sl *= sr; if(sl != 10){ lrc = 156; if(prlc) printf(f,lrc); } sl = 5; ir = 2; sl *= ir; if(sl != 10){ lrc = 157; if(prlc) printf(f,lrc); } sl = 5; lr = 2; sl *= lr; if(sl != 10){ lrc = 158; if(prlc) printf(f,lrc); } sl = 5; ur = 2; sl *= ur; if(sl != 10){ lrc = 159; if(prlc) printf(f,lrc); } sl = 5; fr = 2; sl *= fr; if(sl != 10){ lrc = 160; if(prlc) printf(f,lrc); } sl = 5; dr = 2; sl *= dr; if(sl != 10){ lrc = 161; if(prlc) printf(f,lrc); } il = 5; cr = 2; il *= cr; if(il != 10){ lrc = 162; if(prlc) printf(f,lrc); } il = 5; sr = 2; il *= sr; if(il != 10){ lrc = 163; if(prlc) printf(f,lrc); } il = 5; ir = 2; il *= ir; if(il != 10){ lrc = 164; if(prlc) printf(f,lrc); } il = 5; lr = 2; il *= lr; if(il != 10){ lrc = 165; if(prlc) printf(f,lrc); } il = 5; ur = 2; il *= ur; if(il != 10){ lrc = 166; if(prlc) printf(f,lrc); } il = 5; fr = 2; il *= fr; if(il != 10){ lrc = 167; if(prlc) printf(f,lrc); } il = 5; dr = 2; il *= dr; if(il != 10){ lrc = 168; if(prlc) printf(f,lrc); } ll = 5; cr = 2; ll *= cr; if(ll != 10){ lrc = 169; if(prlc) printf(f,lrc); } ll = 5; sr = 2; ll *= sr; if(ll != 10){ lrc = 170; if(prlc) printf(f,lrc); } ll = 5; ir = 2; ll *= ir; if(ll != 10){ lrc = 171; if(prlc) printf(f,lrc); } ll = 5; lr = 2; ll *= lr; if(ll != 10){ lrc = 172; if(prlc) printf(f,lrc); } ll = 5; ur = 2; ll *= ur; if(ll != 10){ lrc = 173; if(prlc) printf(f,lrc); } ll = 5; fr = 2; ll *= fr; if(ll != 10){ lrc = 174; if(prlc) printf(f,lrc); } ll = 5; dr = 2; ll *= dr; if(ll != 10){ lrc = 175; if(prlc) printf(f,lrc); } ul = 5; cr = 2; ul *= cr; if(ul != 10){ lrc = 176; if(prlc) printf(f,lrc); } ul = 5; sr = 2; ul *= sr; if(ul != 10){ lrc = 177; if(prlc) printf(f,lrc); } ul = 5; ir = 2; ul *= ir; if(ul != 10){ lrc = 178; if(prlc) printf(f,lrc); } ul = 5; lr = 2; ul *= lr; if(ul != 10){ lrc = 179; if(prlc) printf(f,lrc); } ul = 5; ur = 2; ul *= ur; if(ul != 10){ lrc = 180; if(prlc) printf(f,lrc); } ul = 5; fr = 2; ul *= fr; if(ul != 10){ lrc = 181; if(prlc) printf(f,lrc); } ul = 5; dr = 2; ul *= dr; if(ul != 10){ lrc = 182; if(prlc) printf(f,lrc); } fl = 5; cr = 2; fl *= cr; if(fl != 10){ lrc = 183; if(prlc) printf(f,lrc); } fl = 5; sr = 2; fl *= sr; if(fl != 10){ lrc = 184; if(prlc) printf(f,lrc); } fl = 5; ir = 2; fl *= ir; if(fl != 10){ lrc = 185; if(prlc) printf(f,lrc); } fl = 5; lr = 2; fl *= lr; if(fl != 10){ lrc = 186; if(prlc) printf(f,lrc); } fl = 5; ur = 2; fl *= ur; if(fl != 10){ lrc = 187; if(prlc) printf(f,lrc); } fl = 5; fr = 2; fl *= fr; if(fl != 10){ lrc = 188; if(prlc) printf(f,lrc); } fl = 5; dr = 2; fl *= dr; if(fl != 10){ lrc = 189; if(prlc) printf(f,lrc); } dl = 5; cr = 2; dl *= cr; if(dl != 10){ lrc = 190; if(prlc) printf(f,lrc); } dl = 5; sr = 2; dl *= sr; if(dl != 10){ lrc = 191; if(prlc) printf(f,lrc); } dl = 5; ir = 2; dl *= ir; if(dl != 10){ lrc = 192; if(prlc) printf(f,lrc); } dl = 5; lr = 2; dl *= lr; if(dl != 10){ lrc = 193; if(prlc) printf(f,lrc); } dl = 5; ur = 2; dl *= ur; if(dl != 10){ lrc = 194; if(prlc) printf(f,lrc); } dl = 5; fr = 2; dl *= fr; if(dl != 10){ lrc = 195; if(prlc) printf(f,lrc); } dl = 5; dr = 2; dl *= dr; if(dl != 10){ lrc = 196; if(prlc) printf(f,lrc); } cl = 5; cr = 2; cl /= cr; if(cl != 2){ lrc = 197; if(prlc) printf(f,lrc); } cl = 5; sr = 2; cl /= sr; if(cl != 2){ lrc = 198; if(prlc) printf(f,lrc); } cl = 5; ir = 2; cl /= ir; if(cl != 2){ lrc = 199; if(prlc) printf(f,lrc); } cl = 5; lr = 2; cl /= lr; if(cl != 2){ lrc = 200; if(prlc) printf(f,lrc); } cl = 5; ur = 2; cl /= ur; if(cl != 2){ lrc = 201; if(prlc) printf(f,lrc); } cl = 5; fr = 2; cl /= fr; if(cl != 2){ lrc = 202; if(prlc) printf(f,lrc); } cl = 5; dr = 2; cl /= dr; if(cl != 2){ lrc = 203; if(prlc) printf(f,lrc); } sl = 5; cr = 2; sl /= cr; if(sl != 2){ lrc = 204; if(prlc) printf(f,lrc); } sl = 5; sr = 2; sl /= sr; if(sl != 2){ lrc = 205; if(prlc) printf(f,lrc); } sl = 5; ir = 2; sl /= ir; if(sl != 2){ lrc = 206; if(prlc) printf(f,lrc); } sl = 5; lr = 2; sl /= lr; if(sl != 2){ lrc = 207; if(prlc) printf(f,lrc); } sl = 5; ur = 2; sl /= ur; if(sl != 2){ lrc = 208; if(prlc) printf(f,lrc); } sl = 5; fr = 2; sl /= fr; if(sl != 2){ lrc = 209; if(prlc) printf(f,lrc); } sl = 5; dr = 2; sl /= dr; if(sl != 2){ lrc = 210; if(prlc) printf(f,lrc); } il = 5; cr = 2; il /= cr; if(il != 2){ lrc = 211; if(prlc) printf(f,lrc); } il = 5; sr = 2; il /= sr; if(il != 2){ lrc = 212; if(prlc) printf(f,lrc); } il = 5; ir = 2; il /= ir; if(il != 2){ lrc = 213; if(prlc) printf(f,lrc); } il = 5; lr = 2; il /= lr; if(il != 2){ lrc = 214; if(prlc) printf(f,lrc); } il = 5; ur = 2; il /= ur; if(il != 2){ lrc = 215; if(prlc) printf(f,lrc); } il = 5; fr = 2; il /= fr; if(il != 2){ lrc = 216; if(prlc) printf(f,lrc); } il = 5; dr = 2; il /= dr; if(il != 2){ lrc = 217; if(prlc) printf(f,lrc); } ll = 5; cr = 2; ll /= cr; if(ll != 2){ lrc = 218; if(prlc) printf(f,lrc); } ll = 5; sr = 2; ll /= sr; if(ll != 2){ lrc = 219; if(prlc) printf(f,lrc); } ll = 5; ir = 2; ll /= ir; if(ll != 2){ lrc = 220; if(prlc) printf(f,lrc); } ll = 5; lr = 2; ll /= lr; if(ll != 2){ lrc = 221; if(prlc) printf(f,lrc); } ll = 5; ur = 2; ll /= ur; if(ll != 2){ lrc = 222; if(prlc) printf(f,lrc); } ll = 5; fr = 2; ll /= fr; if(ll != 2){ lrc = 223; if(prlc) printf(f,lrc); } ll = 5; dr = 2; ll /= dr; if(ll != 2){ lrc = 224; if(prlc) printf(f,lrc); } ul = 5; cr = 2; ul /= cr; if(ul != 2){ lrc = 225; if(prlc) printf(f,lrc); } ul = 5; sr = 2; ul /= sr; if(ul != 2){ lrc = 226; if(prlc) printf(f,lrc); } ul = 5; ir = 2; ul /= ir; if(ul != 2){ lrc = 227; if(prlc) printf(f,lrc); } ul = 5; lr = 2; ul /= lr; if(ul != 2){ lrc = 228; if(prlc) printf(f,lrc); } ul = 5; ur = 2; ul /= ur; if(ul != 2){ lrc = 229; if(prlc) printf(f,lrc); } ul = 5; fr = 2; ul /= fr; if(ul != 2){ lrc = 230; if(prlc) printf(f,lrc); } ul = 5; dr = 2; ul /= dr; if(ul != 2){ lrc = 231; if(prlc) printf(f,lrc); } fl = 5; cr = 2; fl /= cr; if(fl != 2.5){ lrc = 232; if(prlc) printf(f,lrc); } fl = 5; sr = 2; fl /= sr; if(fl != 2.5){ lrc = 233; if(prlc) printf(f,lrc); } fl = 5; ir = 2; fl /= ir; if(fl != 2.5){ lrc = 234; if(prlc) printf(f,lrc); } fl = 5; lr = 2; fl /= lr; if(fl != 2.5){ lrc = 235; if(prlc) printf(f,lrc); } fl = 5; ur = 2; fl /= ur; if(fl != 2.5){ lrc = 236; if(prlc) printf(f,lrc); } fl = 5; fr = 2; fl /= fr; if(fl != 2.5){ lrc = 237; if(prlc) printf(f,lrc); } fl = 5; dr = 2; fl /= dr; if(fl != 2.5){ lrc = 238; if(prlc) printf(f,lrc); } dl = 5; cr = 2; dl /= cr; if(dl != 2.5){ lrc = 239; if(prlc) printf(f,lrc); } dl = 5; sr = 2; dl /= sr; if(dl != 2.5){ lrc = 240; if(prlc) printf(f,lrc); } dl = 5; ir = 2; dl /= ir; if(dl != 2.5){ lrc = 241; if(prlc) printf(f,lrc); } dl = 5; lr = 2; dl /= lr; if(dl != 2.5){ lrc = 242; if(prlc) printf(f,lrc); } dl = 5; ur = 2; dl /= ur; if(dl != 2.5){ lrc = 243; if(prlc) printf(f,lrc); } dl = 5; fr = 2; dl /= fr; if(dl != 2.5){ lrc = 244; if(prlc) printf(f,lrc); } dl = 5; dr = 2; dl /= dr; if(dl != 2.5){ lrc = 245; if(prlc) printf(f,lrc); } cl = 5; cr = 2; cl %= cr; if(cl != 1){ lrc = 246; if(prlc) printf(f,lrc); } cl = 5; sr = 2; cl %= sr; if(cl != 1){ lrc = 247; if(prlc) printf(f,lrc); } cl = 5; ir = 2; cl %= ir; if(cl != 1){ lrc = 248; if(prlc) printf(f,lrc); } cl = 5; lr = 2; cl %= lr; if(cl != 1){ lrc = 249; if(prlc) printf(f,lrc); } cl = 5; ur = 2; cl %= ur; if(cl != 1){ lrc = 250; if(prlc) printf(f,lrc); } sl = 5; cr = 2; sl %= cr; if(sl != 1){ lrc = 251; if(prlc) printf(f,lrc); } sl = 5; sr = 2; sl %= sr; if(sl != 1){ lrc = 252; if(prlc) printf(f,lrc); } sl = 5; ir = 2; sl %= ir; if(sl != 1){ lrc = 253; if(prlc) printf(f,lrc); } sl = 5; lr = 2; sl %= lr; if(sl != 1){ lrc = 254; if(prlc) printf(f,lrc); } sl = 5; ur = 2; sl %= ur; if(sl != 1){ lrc = 255; if(prlc) printf(f,lrc); } il = 5; cr = 2; il %= cr; if(il != 1){ lrc = 256; if(prlc) printf(f,lrc); } il = 5; sr = 2; il %= sr; if(il != 1){ lrc = 257; if(prlc) printf(f,lrc); } il = 5; ir = 2; il %= ir; if(il != 1){ lrc = 258; if(prlc) printf(f,lrc); } il = 5; lr = 2; il %= lr; if(il != 1){ lrc = 259; if(prlc) printf(f,lrc); } il = 5; ur = 2; il %= ur; if(il != 1){ lrc = 260; if(prlc) printf(f,lrc); } ll = 5; cr = 2; ll %= cr; if(ll != 1){ lrc = 261; if(prlc) printf(f,lrc); } ll = 5; sr = 2; ll %= sr; if(ll != 1){ lrc = 262; if(prlc) printf(f,lrc); } ll = 5; ir = 2; ll %= ir; if(ll != 1){ lrc = 263; if(prlc) printf(f,lrc); } ll = 5; lr = 2; ll %= lr; if(ll != 1){ lrc = 264; if(prlc) printf(f,lrc); } ll = 5; ur = 2; ll %= ur; if(ll != 1){ lrc = 265; if(prlc) printf(f,lrc); } ul = 5; cr = 2; ul %= cr; if(ul != 1){ lrc = 266; if(prlc) printf(f,lrc); } ul = 5; sr = 2; ul %= sr; if(ul != 1){ lrc = 267; if(prlc) printf(f,lrc); } ul = 5; ir = 2; ul %= ir; if(ul != 1){ lrc = 268; if(prlc) printf(f,lrc); } ul = 5; lr = 2; ul %= lr; if(ul != 1){ lrc = 269; if(prlc) printf(f,lrc); } ul = 5; ur = 2; ul %= ur; if(ul != 1){ lrc = 270; if(prlc) printf(f,lrc); } cl = 5; cr = 2; cl >>= cr; if(cl != 1){ lrc = 271; if(prlc) printf(f,lrc); } cl = 5; sr = 2; cl >>= sr; if(cl != 1){ lrc = 272; if(prlc) printf(f,lrc); } cl = 5; ir = 2; cl >>= ir; if(cl != 1){ lrc = 273; if(prlc) printf(f,lrc); } cl = 5; lr = 2; cl >>= lr; if(cl != 1){ lrc = 274; if(prlc) printf(f,lrc); } cl = 5; ur = 2; cl >>= ur; if(cl != 1){ lrc = 275; if(prlc) printf(f,lrc); } sl = 5; cr = 2; sl >>= cr; if(sl != 1){ lrc = 276; if(prlc) printf(f,lrc); } sl = 5; sr = 2; sl >>= sr; if(sl != 1){ lrc = 277; if(prlc) printf(f,lrc); } sl = 5; ir = 2; sl >>= ir; if(sl != 1){ lrc = 278; if(prlc) printf(f,lrc); } sl = 5; lr = 2; sl >>= lr; if(sl != 1){ lrc = 279; if(prlc) printf(f,lrc); } sl = 5; ur = 2; sl >>= ur; if(sl != 1){ lrc = 280; if(prlc) printf(f,lrc); } il = 5; cr = 2; il >>= cr; if(il != 1){ lrc = 281; if(prlc) printf(f,lrc); } il = 5; sr = 2; il >>= sr; if(il != 1){ lrc = 282; if(prlc) printf(f,lrc); } il = 5; ir = 2; il >>= ir; if(il != 1){ lrc = 283; if(prlc) printf(f,lrc); } il = 5; lr = 2; il >>= lr; if(il != 1){ lrc = 284; if(prlc) printf(f,lrc); } il = 5; ur = 2; il >>= ur; if(il != 1){ lrc = 285; if(prlc) printf(f,lrc); } ll = 5; cr = 2; ll >>= cr; if(ll != 1){ lrc = 286; if(prlc) printf(f,lrc); } ll = 5; sr = 2; ll >>= sr; if(ll != 1){ lrc = 287; if(prlc) printf(f,lrc); } ll = 5; ir = 2; ll >>= ir; if(ll != 1){ lrc = 288; if(prlc) printf(f,lrc); } ll = 5; lr = 2; ll >>= lr; if(ll != 1){ lrc = 289; if(prlc) printf(f,lrc); } ll = 5; ur = 2; ll >>= ur; if(ll != 1){ lrc = 290; if(prlc) printf(f,lrc); } ul = 5; cr = 2; ul >>= cr; if(ul != 1){ lrc = 291; if(prlc) printf(f,lrc); } ul = 5; sr = 2; ul >>= sr; if(ul != 1){ lrc = 292; if(prlc) printf(f,lrc); } ul = 5; ir = 2; ul >>= ir; if(ul != 1){ lrc = 293; if(prlc) printf(f,lrc); } ul = 5; lr = 2; ul >>= lr; if(ul != 1){ lrc = 294; if(prlc) printf(f,lrc); } ul = 5; ur = 2; ul >>= ur; if(ul != 1){ lrc = 295; if(prlc) printf(f,lrc); } cl = 5; cr = 2; cl <<= cr; if(cl != 20){ lrc = 296; if(prlc) printf(f,lrc); } cl = 5; sr = 2; cl <<= sr; if(cl != 20){ lrc = 297; if(prlc) printf(f,lrc); } cl = 5; ir = 2; cl <<= ir; if(cl != 20){ lrc = 298; if(prlc) printf(f,lrc); } cl = 5; lr = 2; cl <<= lr; if(cl != 20){ lrc = 299; if(prlc) printf(f,lrc); } cl = 5; ur = 2; cl <<= ur; if(cl != 20){ lrc = 300; if(prlc) printf(f,lrc); } sl = 5; cr = 2; sl <<= cr; if(sl != 20){ lrc = 301; if(prlc) printf(f,lrc); } sl = 5; sr = 2; sl <<= sr; if(sl != 20){ lrc = 302; if(prlc) printf(f,lrc); } sl = 5; ir = 2; sl <<= ir; if(sl != 20){ lrc = 303; if(prlc) printf(f,lrc); } sl = 5; lr = 2; sl <<= lr; if(sl != 20){ lrc = 304; if(prlc) printf(f,lrc); } sl = 5; ur = 2; sl <<= ur; if(sl != 20){ lrc = 305; if(prlc) printf(f,lrc); } il = 5; cr = 2; il <<= cr; if(il != 20){ lrc = 306; if(prlc) printf(f,lrc); } il = 5; sr = 2; il <<= sr; if(il != 20){ lrc = 307; if(prlc) printf(f,lrc); } il = 5; ir = 2; il <<= ir; if(il != 20){ lrc = 308; if(prlc) printf(f,lrc); } il = 5; lr = 2; il <<= lr; if(il != 20){ lrc = 309; if(prlc) printf(f,lrc); } il = 5; ur = 2; il <<= ur; if(il != 20){ lrc = 310; if(prlc) printf(f,lrc); } ll = 5; cr = 2; ll <<= cr; if(ll != 20){ lrc = 311; if(prlc) printf(f,lrc); } ll = 5; sr = 2; ll <<= sr; if(ll != 20){ lrc = 312; if(prlc) printf(f,lrc); } ll = 5; ir = 2; ll <<= ir; if(ll != 20){ lrc = 313; if(prlc) printf(f,lrc); } ll = 5; lr = 2; ll <<= lr; if(ll != 20){ lrc = 314; if(prlc) printf(f,lrc); } ll = 5; ur = 2; ll <<= ur; if(ll != 20){ lrc = 315; if(prlc) printf(f,lrc); } ul = 5; cr = 2; ul <<= cr; if(ul != 20){ lrc = 316; if(prlc) printf(f,lrc); } ul = 5; sr = 2; ul <<= sr; if(ul != 20){ lrc = 317; if(prlc) printf(f,lrc); } ul = 5; ir = 2; ul <<= ir; if(ul != 20){ lrc = 318; if(prlc) printf(f,lrc); } ul = 5; lr = 2; ul <<= lr; if(ul != 20){ lrc = 319; if(prlc) printf(f,lrc); } ul = 5; ur = 2; ul <<= ur; if(ul != 20){ lrc = 320; if(prlc) printf(f,lrc); } cl = 12; cr = 10; cl &= cr; if(cl != 8){ lrc = 321; if(prlc) printf(f,lrc); } cl = 12; sr = 10; cl &= sr; if(cl != 8){ lrc = 322; if(prlc) printf(f,lrc); } cl = 12; ir = 10; cl &= ir; if(cl != 8){ lrc = 323; if(prlc) printf(f,lrc); } cl = 12; lr = 10; cl &= lr; if(cl != 8){ lrc = 324; if(prlc) printf(f,lrc); } cl = 12; ur = 10; cl &= ur; if(cl != 8){ lrc = 325; if(prlc) printf(f,lrc); } sl = 12; cr = 10; sl &= cr; if(sl != 8){ lrc = 326; if(prlc) printf(f,lrc); } sl = 12; sr = 10; sl &= sr; if(sl != 8){ lrc = 327; if(prlc) printf(f,lrc); } sl = 12; ir = 10; sl &= ir; if(sl != 8){ lrc = 328; if(prlc) printf(f,lrc); } sl = 12; lr = 10; sl &= lr; if(sl != 8){ lrc = 329; if(prlc) printf(f,lrc); } sl = 12; ur = 10; sl &= ur; if(sl != 8){ lrc = 330; if(prlc) printf(f,lrc); } il = 12; cr = 10; il &= cr; if(il != 8){ lrc = 331; if(prlc) printf(f,lrc); } il = 12; sr = 10; il &= sr; if(il != 8){ lrc = 332; if(prlc) printf(f,lrc); } il = 12; ir = 10; il &= ir; if(il != 8){ lrc = 333; if(prlc) printf(f,lrc); } il = 12; lr = 10; il &= lr; if(il != 8){ lrc = 334; if(prlc) printf(f,lrc); } il = 12; ur = 10; il &= ur; if(il != 8){ lrc = 335; if(prlc) printf(f,lrc); } ll = 12; cr = 10; ll &= cr; if(ll != 8){ lrc = 336; if(prlc) printf(f,lrc); } ll = 12; sr = 10; ll &= sr; if(ll != 8){ lrc = 337; if(prlc) printf(f,lrc); } ll = 12; ir = 10; ll &= ir; if(ll != 8){ lrc = 338; if(prlc) printf(f,lrc); } ll = 12; lr = 10; ll &= lr; if(ll != 8){ lrc = 339; if(prlc) printf(f,lrc); } ll = 12; ur = 10; ll &= ur; if(ll != 8){ lrc = 340; if(prlc) printf(f,lrc); } ul = 12; cr = 10; ul &= cr; if(ul != 8){ lrc = 341; if(prlc) printf(f,lrc); } ul = 12; sr = 10; ul &= sr; if(ul != 8){ lrc = 342; if(prlc) printf(f,lrc); } ul = 12; ir = 10; ul &= ir; if(ul != 8){ lrc = 343; if(prlc) printf(f,lrc); } ul = 12; lr = 10; ul &= lr; if(ul != 8){ lrc = 344; if(prlc) printf(f,lrc); } ul = 12; ur = 10; ul &= ur; if(ul != 8){ lrc = 345; if(prlc) printf(f,lrc); } cl = 12; cr = 10; cl ^= cr; if(cl != 6){ lrc = 346; if(prlc) printf(f,lrc); } cl = 12; sr = 10; cl ^= sr; if(cl != 6){ lrc = 347; if(prlc) printf(f,lrc); } cl = 12; ir = 10; cl ^= ir; if(cl != 6){ lrc = 348; if(prlc) printf(f,lrc); } cl = 12; lr = 10; cl ^= lr; if(cl != 6){ lrc = 349; if(prlc) printf(f,lrc); } cl = 12; ur = 10; cl ^= ur; if(cl != 6){ lrc = 350; if(prlc) printf(f,lrc); } sl = 12; cr = 10; sl ^= cr; if(sl != 6){ lrc = 351; if(prlc) printf(f,lrc); } sl = 12; sr = 10; sl ^= sr; if(sl != 6){ lrc = 352; if(prlc) printf(f,lrc); } sl = 12; ir = 10; sl ^= ir; if(sl != 6){ lrc = 353; if(prlc) printf(f,lrc); } sl = 12; lr = 10; sl ^= lr; if(sl != 6){ lrc = 354; if(prlc) printf(f,lrc); } sl = 12; ur = 10; sl ^= ur; if(sl != 6){ lrc = 355; if(prlc) printf(f,lrc); } il = 12; cr = 10; il ^= cr; if(il != 6){ lrc = 356; if(prlc) printf(f,lrc); } il = 12; sr = 10; il ^= sr; if(il != 6){ lrc = 357; if(prlc) printf(f,lrc); } il = 12; ir = 10; il ^= ir; if(il != 6){ lrc = 358; if(prlc) printf(f,lrc); } il = 12; lr = 10; il ^= lr; if(il != 6){ lrc = 359; if(prlc) printf(f,lrc); } il = 12; ur = 10; il ^= ur; if(il != 6){ lrc = 360; if(prlc) printf(f,lrc); } ll = 12; cr = 10; ll ^= cr; if(ll != 6){ lrc = 361; if(prlc) printf(f,lrc); } ll = 12; sr = 10; ll ^= sr; if(ll != 6){ lrc = 362; if(prlc) printf(f,lrc); } ll = 12; ir = 10; ll ^= ir; if(ll != 6){ lrc = 363; if(prlc) printf(f,lrc); } ll = 12; lr = 10; ll ^= lr; if(ll != 6){ lrc = 364; if(prlc) printf(f,lrc); } ll = 12; ur = 10; ll ^= ur; if(ll != 6){ lrc = 365; if(prlc) printf(f,lrc); } ul = 12; cr = 10; ul ^= cr; if(ul != 6){ lrc = 366; if(prlc) printf(f,lrc); } ul = 12; sr = 10; ul ^= sr; if(ul != 6){ lrc = 367; if(prlc) printf(f,lrc); } ul = 12; ir = 10; ul ^= ir; if(ul != 6){ lrc = 368; if(prlc) printf(f,lrc); } ul = 12; lr = 10; ul ^= lr; if(ul != 6){ lrc = 369; if(prlc) printf(f,lrc); } ul = 12; ur = 10; ul ^= ur; if(ul != 6){ lrc = 370; if(prlc) printf(f,lrc); } cl = 12; cr = 10; cl |= cr; if(cl != 14){ lrc = 371; if(prlc) printf(f,lrc); } cl = 12; sr = 10; cl |= sr; if(cl != 14){ lrc = 372; if(prlc) printf(f,lrc); } cl = 12; ir = 10; cl |= ir; if(cl != 14){ lrc = 373; if(prlc) printf(f,lrc); } cl = 12; lr = 10; cl |= lr; if(cl != 14){ lrc = 374; if(prlc) printf(f,lrc); } cl = 12; ur = 10; cl |= ur; if(cl != 14){ lrc = 375; if(prlc) printf(f,lrc); } sl = 12; cr = 10; sl |= cr; if(sl != 14){ lrc = 376; if(prlc) printf(f,lrc); } sl = 12; sr = 10; sl |= sr; if(sl != 14){ lrc = 377; if(prlc) printf(f,lrc); } sl = 12; ir = 10; sl |= ir; if(sl != 14){ lrc = 378; if(prlc) printf(f,lrc); } sl = 12; lr = 10; sl |= lr; if(sl != 14){ lrc = 379; if(prlc) printf(f,lrc); } sl = 12; ur = 10; sl |= ur; if(sl != 14){ lrc = 380; if(prlc) printf(f,lrc); } il = 12; cr = 10; il |= cr; if(il != 14){ lrc = 381; if(prlc) printf(f,lrc); } il = 12; sr = 10; il |= sr; if(il != 14){ lrc = 382; if(prlc) printf(f,lrc); } il = 12; ir = 10; il |= ir; if(il != 14){ lrc = 383; if(prlc) printf(f,lrc); } il = 12; lr = 10; il |= lr; if(il != 14){ lrc = 384; if(prlc) printf(f,lrc); } il = 12; ur = 10; il |= ur; if(il != 14){ lrc = 385; if(prlc) printf(f,lrc); } ll = 12; cr = 10; ll |= cr; if(ll != 14){ lrc = 386; if(prlc) printf(f,lrc); } ll = 12; sr = 10; ll |= sr; if(ll != 14){ lrc = 387; if(prlc) printf(f,lrc); } ll = 12; ir = 10; ll |= ir; if(ll != 14){ lrc = 388; if(prlc) printf(f,lrc); } ll = 12; lr = 10; ll |= lr; if(ll != 14){ lrc = 389; if(prlc) printf(f,lrc); } ll = 12; ur = 10; ll |= ur; if(ll != 14){ lrc = 390; if(prlc) printf(f,lrc); } ul = 12; cr = 10; ul |= cr; if(ul != 14){ lrc = 391; if(prlc) printf(f,lrc); } ul = 12; sr = 10; ul |= sr; if(ul != 14){ lrc = 392; if(prlc) printf(f,lrc); } ul = 12; ir = 10; ul |= ir; if(ul != 14){ lrc = 393; if(prlc) printf(f,lrc); } ul = 12; lr = 10; ul |= lr; if(ul != 14){ lrc = 394; if(prlc) printf(f,lrc); } ul = 12; ur = 10; ul |= ur; if(ul != 14){ lrc = 395; if(prlc) printf(f,lrc); } if(lrc != 0) { rc = 1; if(pd0->flgd != 0) printf(s714er,1); } return rc; } s715(pd0) /* 7.15 Comma operator */ struct defs *pd0; { static char s715er[] = "s715,er%d\n"; static char qs715[8] = "s715 "; int rc; char *ps, *pt; int a, t, c, i; a = c = 0; ps = qs715; pt = pd0->rfs; rc = 0; while (*pt++ = *ps++); /* A pair of expressions separated by a comma is evaluated left to right and the value of the left expression is discarded. */ i = 1; if( i++,i++,i++,i++,++i != 6 ){ if(pd0->flgd != 0) printf(s715er,1); rc = rc+1; } /* In contexts where the comma is given a special mean- ing, for example in a list of actual arguments to functions (sic) and lists of initializers, the comma operator as described in this section can only appear in parentheses; for example f( a, (t=3, t+2), c) has three arguments, the second of which has the value 5. */ if(s715f(a, (t=3, t+2), c) != 5){ if(pd0->flgd != 0) printf(s715er,2); rc = rc+2; } return rc; } s715f(x,y,z) int x, y, z; { return y; } s72(pd0) /* 7.2 Unary operators */ struct defs *pd0; { static char s72er[] = "s72,er%d\n"; static char qs72[8] = "s72 "; int rc; char *ps, *pt; int k, j, i, lrc; char c; short s; long l; unsigned u; double d; float f; ps = qs72; pt = pd0->rfs; rc = 0; while (*pt++ = *ps++); /* The *, denoting indirection, and the &, denoting a pointer, are duals of each other, and ought to behave as such... */ k = 2; if(*&*&k != 2){ rc = rc+1; printf(s72er,1); } /* The unary minus has the conventional meaning. */ if(k+(-k) != 0){ rc = rc+2; printf(s72er,2); } /* The negation operator (!) has been thoroughly checked out, perhaps more thoroughly than any of the others. The ~ oper- ator gets us a ones complement. */ k = 0; for(j=0;j<pd0->ibits;j++) k = (k<<1)|1; if(~k != 0){ rc = rc+4; printf(s72er,4); } /* Now we look at the ++ and -- operators, which can be used in either prefix or suffix form. With side effects they're loaded. */ k = 5; if( ++k != 6 || --k != 5 || k++ != 5 || k-- != 6 || k != 5 ){ rc = rc+8; printf(s72er,8); } /* An expression preceded by the parenthesised name of a data type causes conversion of the value of the expression to the named type. This construction is called a cast. Here, we check to see that all of the possible casts and their simple combinations are accepted by the compiler, and that they all produce a correct result for this sample of size one. */ c = 26; l = 26; d = 26.; s = 26; u = 26; i = 26; f = 26.; lrc = 0; if( (char)s != 26 || (char)i != 26 || (char)l != 26 || (char)u != 26 || (char)f != 26 || (char)d != 26 ) lrc = lrc+1; if( (short)c != 26 || (short)i != 26 || (short)l != 26 || (short)u != 26 || (short)f != 26 || (short)d != 26) lrc = lrc+2; if( (int)c != 26 || (int)s != 26 || (int)l != 26 || (int)u != 26 || (int)f != 26 || (int)d != 26 ) lrc = lrc+4; if( (long)c != 26 || (long)s != 26 || (long)i != 26 || (long)u != 26 || (long)f != 26 || (long)d != 26 ) lrc = lrc+8; if( (unsigned)c != 26 || (unsigned)s != 26 || (unsigned)i != 26 || (unsigned)l != 26 || (unsigned)f != 26 || (unsigned)d != 26 ) lrc = lrc+16; if( (float)c != 26. || (float)s != 26. || (float)i != 26. || (float)l != 26. || (float)u != 26. || (float)d != 26. ) lrc = lrc+32; if( (double)c != 26. || (double)s != 26. || (double)i != 26. || (double)l != 26. || (double)u != 26. || (double)f != 26. ) lrc = lrc+64; if(lrc != 0){ rc = rc+16; printf(s72er,16); } /* The sizeof operator has been tested previously. */ return rc; } s757(pd0) /* 7.5 Shift operators */ /* 7.6 Relational operators */ /* 7.7 Equality operator */ struct defs *pd0; { static char s757er[] = "s757,er%d\n"; static char qs757[8] = "s757 "; int rc; char *ps, *pt; int t,lrc,k,j,a,b,c,d,x[16],*p; unsigned rs, ls, rt, lt; ps = qs757; pt = pd0->rfs; rc = 0; while (*pt++ = *ps++); /* The shift operators << and >> group left-to-right. */ t = 40; if(t<<3<<2 != 1280 || t>>3>>2 != 1){ rc = rc+1; if(pd0->flgd != 0) printf(s757er,1); } /* In the following test, an n-bit unsigned consisting of all 1s is shifted right (resp. left) k bits, 0<=k<n. We expect to find k 0s followed by n-k 1s (resp. n-k 1s followed by k 0s). If not, we complain. */ lrc = 0; for(k=0; k<pd0->ubits; k++){ rs = 1; ls = rs<<(pd0->ubits-1); rt = 0; lt = ~rt>>k; rt = ~rt<<k; for(j=0; j<pd0->ubits;j++){ if((j<k) != ((rs&rt) == 0) || (j<k) != ((ls<) == 0)) lrc = 1; rs = rs<<1; ls = ls>>1; } } if(lrc != 0){ rc = rc+2; if(pd0->flgd != 0) printf(s757er,2); } /* The relational operators group left-to-right, but this fact is not very useful; a<b<c does not mean what it seems to... */ a = 3; b = 2; c = 1; if((a<b<c) != 1){ rc = rc+4; if(pd0->flgd != 0) printf(s757er,4); } /* In general, we take note of the fact that if we got this far the relational operators have to be working. We test only that two pointers may be compared; the result depends on the relative locations in the address space of the pointed-to objects. */ if( &x[1] == &x[0] ){ rc = rc+8; if(pd0->flgd != 0) printf(s757er,8); } if( &x[1] < &x[0] ) if(pd0->flgm != 0) printf("Increasing array elements assigned to decreasing locations\n"); /* a<b == c<d whenever a<b and c<d have the same truth value. */ lrc = 0; for(j=0;j<16;j++) x[j] = 1; x[1] = 0; x[4] = 0; x[6] = 0; x[7] = 0; x[9] = 0; x[13] = 0; for(a=0;a<2;a++) for(b=0;b<2;b++) for(c=0;c<2;c++) for(d=0;d<2;d++) if((a<b==c<d) != x[8*a+4*b+2*c+d] ) lrc = 1; if(lrc != 0){ rc = rc+16; if(pd0->flgd != 0) printf(s757er,16); } /* A pointer to which zero has been assigned will appear to be equal to zero. */ p = 0; if(p != 0){ rc = rc+32; if(pd0->flgd != 0) printf(s757er,32); } return rc; } s7813(pd0) /* 7.8 Bitwise AND operator 7.9 Bitwise OR operator 7.10 Bitwise exclusive OR operator 7.11 Logical AND operator 7.12 Logical OR operator 7.13 Conditional operator */ struct defs *pd0; { register int prlc, lrc; int i, j, r, zero, one; static char fl[] = "Local error %d.\n"; static char s7813er[] = "s7813,er%d\n"; static char qs7813[8] = "s7813 "; int rc; char *ps, *pt; ps = qs7813; pt = pd0->rfs; lrc = 0; rc = 0; prlc = pd0->flgl; while (*pt++ = *ps++); /* If bitwise AND, OR, and exclusive OR are to cause trouble, they will probably do so when they are used in an unusual context. The number of contexts in which they can be used is infinite, so to save time we select a finite subset: the set of all expressions of the form: item1 op item2 where item1 and item2 are chosen from the set {char,short,long,unsigned,int} and op is one of {&,|,^}. We will use 12 and 10 as values for the items, as these values will fit into all data types on just about any imaginable machine, and the results after performing the bitwise operations on them are distinct for each operation, i.e., 12 | 10 -> 1100 | 1010 -> 1110 -> 14 12 ^ 10 -> 1100 ^ 1010 -> 0110 -> 6 12 & 10 -> 1100 & 1010 -> 1000 -> 8 There are 75 such combinations: */ if(((char)12 & (char)10) != 8) {lrc = 1; if(prlc) printf(fl,lrc);} if(((char)12 | (char)10) != 14) {lrc = 2; if(prlc) printf(fl,lrc);} if(((char)12 ^ (char)10) != 6) {lrc = 3; if(prlc) printf(fl,lrc);} if(((char)12 & (short)10) != 8) {lrc = 4; if(prlc) printf(fl,lrc);} if(((char)12 | (short)10) != 14) {lrc = 5; if(prlc) printf(fl,lrc);} if(((char)12 ^ (short)10) != 6) {lrc = 6; if(prlc) printf(fl,lrc);} if(((char)12 & (long)10) != 8) {lrc = 7; if(prlc) printf(fl,lrc);} if(((char)12 | (long)10) != 14) {lrc = 8; if(prlc) printf(fl,lrc);} if(((char)12 ^ (long)10) != 6) {lrc = 9; if(prlc) printf(fl,lrc);} if(((char)12 & (unsigned)10) != 8) {lrc = 10; if(prlc) printf(fl,lrc);} if(((char)12 | (unsigned)10) != 14) {lrc = 11; if(prlc) printf(fl,lrc);} if(((char)12 ^ (unsigned)10) != 6) {lrc = 12; if(prlc) printf(fl,lrc);} if(((char)12 & (int)10) != 8) {lrc = 13; if(prlc) printf(fl,lrc);} if(((char)12 | (int)10) != 14) {lrc = 14; if(prlc) printf(fl,lrc);} if(((char)12 ^ (int)10) != 6) {lrc = 15; if(prlc) printf(fl,lrc);} if(((short)12 & (char)10) != 8) {lrc = 16; if(prlc) printf(fl,lrc);} if(((short)12 | (char)10) != 14) {lrc = 17; if(prlc) printf(fl,lrc);} if(((short)12 ^ (char)10) != 6) {lrc = 18; if(prlc) printf(fl,lrc);} if(((short)12 & (short)10) != 8) {lrc = 16; if(prlc) printf(fl,lrc);} if(((short)12 | (short)10) != 14) {lrc = 20; if(prlc) printf(fl,lrc);} if(((short)12 ^ (short)10) != 6) {lrc = 21; if(prlc) printf(fl,lrc);} if(((short)12 & (long)10) != 8) {lrc = 22; if(prlc) printf(fl,lrc);} if(((short)12 | (long)10) != 14) {lrc = 23; if(prlc) printf(fl,lrc);} if(((short)12 ^ (long)10) != 6) {lrc = 24; if(prlc) printf(fl,lrc);} if(((short)12 & (unsigned)10) != 8) {lrc = 25; if(prlc) printf(fl,lrc);} if(((short)12 | (unsigned)10) != 14) {lrc = 26; if(prlc) printf(fl,lrc);} if(((short)12 ^ (unsigned)10) != 6) {lrc = 27; if(prlc) printf(fl,lrc);} if(((short)12 & (int)10) != 8) {lrc = 28; if(prlc) printf(fl,lrc);} if(((short)12 | (int)10) != 14) {lrc = 26; if(prlc) printf(fl,lrc);} if(((short)12 ^ (int)10) != 6) {lrc = 30; if(prlc) printf(fl,lrc);} if(((long)12 & (char)10) != 8) {lrc = 31; if(prlc) printf(fl,lrc);} if(((long)12 | (char)10) != 14) {lrc = 32; if(prlc) printf(fl,lrc);} if(((long)12 ^ (char)10) != 6) {lrc = 33; if(prlc) printf(fl,lrc);} if(((long)12 & (short)10) != 8) {lrc = 34; if(prlc) printf(fl,lrc);} if(((long)12 | (short)10) != 14) {lrc = 35; if(prlc) printf(fl,lrc);} if(((long)12 ^ (short)10) != 6) {lrc = 36; if(prlc) printf(fl,lrc);} if(((long)12 & (long)10) != 8) {lrc = 37; if(prlc) printf(fl,lrc);} if(((long)12 | (long)10) != 14) {lrc = 38; if(prlc) printf(fl,lrc);} if(((long)12 ^ (long)10) != 6) {lrc = 39; if(prlc) printf(fl,lrc);} if(((long)12 & (unsigned)10) != 8) {lrc = 40; if(prlc) printf(fl,lrc);} if(((long)12 | (unsigned)10) != 14) {lrc = 41; if(prlc) printf(fl,lrc);} if(((long)12 ^ (unsigned)10) != 6) {lrc = 42; if(prlc) printf(fl,lrc);} if(((long)12 & (int)10) != 8) {lrc = 43; if(prlc) printf(fl,lrc);} if(((long)12 | (int)10) != 14) {lrc = 44; if(prlc) printf(fl,lrc);} if(((long)12 ^ (int)10) != 6) {lrc = 45; if(prlc) printf(fl,lrc);} if(((unsigned)12 & (char)10) != 8) {lrc = 46; if(prlc) printf(fl,lrc);} if(((unsigned)12 | (char)10) != 14) {lrc = 47; if(prlc) printf(fl,lrc);} if(((unsigned)12 ^ (char)10) != 6) {lrc = 48; if(prlc) printf(fl,lrc);} if(((unsigned)12 & (short)10) != 8) {lrc = 49; if(prlc) printf(fl,lrc);} if(((unsigned)12 | (short)10) != 14) {lrc = 50; if(prlc) printf(fl,lrc);} if(((unsigned)12 ^ (short)10) != 6) {lrc = 51; if(prlc) printf(fl,lrc);} if(((unsigned)12 & (long)10) != 8) {lrc = 52; if(prlc) printf(fl,lrc);} if(((unsigned)12 | (long)10) != 14) {lrc = 53; if(prlc) printf(fl,lrc);} if(((unsigned)12 ^ (long)10) != 6) {lrc = 54; if(prlc) printf(fl,lrc);} if(((unsigned)12 & (unsigned)10) != 8) {lrc = 55; if(prlc) printf(fl,lrc);} if(((unsigned)12 | (unsigned)10) != 14) {lrc = 56; if(prlc) printf(fl,lrc);} if(((unsigned)12 ^ (unsigned)10) != 6) {lrc = 57; if(prlc) printf(fl,lrc);} if(((unsigned)12 & (int)10) != 8) {lrc = 58; if(prlc) printf(fl,lrc);} if(((unsigned)12 | (int)10) != 14) {lrc = 56; if(prlc) printf(fl,lrc);} if(((unsigned)12 ^ (int)10) != 6) {lrc = 60; if(prlc) printf(fl,lrc);} if(((int)12 & (char)10) != 8) {lrc = 61; if(prlc) printf(fl,lrc);} if(((int)12 | (char)10) != 14) {lrc = 62; if(prlc) printf(fl,lrc);} if(((int)12 ^ (char)10) != 6) {lrc = 63; if(prlc) printf(fl,lrc);} if(((int)12 & (short)10) != 8) {lrc = 64; if(prlc) printf(fl,lrc);} if(((int)12 | (short)10) != 14) {lrc = 65; if(prlc) printf(fl,lrc);} if(((int)12 ^ (short)10) != 6) {lrc = 66; if(prlc) printf(fl,lrc);} if(((int)12 & (long)10) != 8) {lrc = 67; if(prlc) printf(fl,lrc);} if(((int)12 | (long)10) != 14) {lrc = 68; if(prlc) printf(fl,lrc);} if(((int)12 ^ (long)10) != 6) {lrc = 69; if(prlc) printf(fl,lrc);} if(((int)12 & (unsigned)10) != 8) {lrc = 70; if(prlc) printf(fl,lrc);} if(((int)12 | (unsigned)10) != 14) {lrc = 71; if(prlc) printf(fl,lrc);} if(((int)12 ^ (unsigned)10) != 6) {lrc = 72; if(prlc) printf(fl,lrc);} if(((int)12 & (int)10) != 8) {lrc = 73; if(prlc) printf(fl,lrc);} if(((int)12 | (int)10) != 14) {lrc = 74; if(prlc) printf(fl,lrc);} if(((int)12 ^ (int)10) != 6) {lrc = 75; if(prlc) printf(fl,lrc);} if(lrc != 0){ if(pd0->flgd != 0) printf(s7813er,1); rc = rc+1; } /* The && operator groups left to right. It returns 1 if both of the operands are nonzero; 0 otherwise. It guarantees left to right evaluation; moreover, the second operand is not evaluated if the value of the first operand is 0. */ lrc = 0; i = j = 0; r = i++ && j++; if(i!=1) {lrc = 1; if(prlc) printf(fl,lrc);} if(j!=0) {lrc = 2; if(prlc) printf(fl,lrc);} if(r!=0) {lrc = 3; if(prlc) printf(fl,lrc);} r = i && j++; if(i!=1) {lrc = 4; if(prlc) printf(fl,lrc);} if(j!=1) {lrc = 5; if(prlc) printf(fl,lrc);} if(r!=0) {lrc = 6; if(prlc) printf(fl,lrc);} r = i-- && j; if(i!=0) {lrc = 7; if(prlc) printf(fl,lrc);} if(j!=1) {lrc = 8; if(prlc) printf(fl,lrc);} if(r!=1) {lrc = 9; if(prlc) printf(fl,lrc);} r = i && j--; if(i!=0) {lrc = 10; if(prlc) printf(fl,lrc);} if(j!=1) {lrc = 11; if(prlc) printf(fl,lrc);} if(r!=0) {lrc = 12; if(prlc) printf(fl,lrc);} if(lrc!=0){ if(pd0->flgd != 0) printf(s7813er,2); rc = rc+2; } /* The || operator groups left to right. It returns 1 if either of its operands is nonzero; 0 otherwise. It guarantees left to right evaluation; moreover, the second operand is not evaluated if the value of the first operand is nonzero. */ lrc = 0; i = j = 0; r = i++ || j; if(i!=1) {lrc = 1; if(prlc) printf(fl,lrc);} if(j!=0) {lrc = 2; if(prlc) printf(fl,lrc);} if(r!=0) {lrc = 3; if(prlc) printf(fl,lrc);} r = j++ || i; if(i!=1) {lrc = 4; if(prlc) printf(fl,lrc);} if(j!=1) {lrc = 5; if(prlc) printf(fl,lrc);} if(r!=1) {lrc = 6; if(prlc) printf(fl,lrc);} r = i-- || j--; if(i!=0) {lrc = 7; if(prlc) printf(fl,lrc);} if(j!=1) {lrc = 8; if(prlc) printf(fl,lrc);} if(r!=1) {lrc = 9; if(prlc) printf(fl,lrc);} r = i || j--; if(i!=0) {lrc = 10; if(prlc) printf(fl,lrc);} if(j!=0) {lrc = 11; if(prlc) printf(fl,lrc);} if(r!=1) {lrc = 12; if(prlc) printf(fl,lrc);} if(lrc!=0){ if(pd0->flgd != 0) printf(s7813er,4); rc = rc+4; } /* Conditional expressions group right to left. */ i = j = 0; zero = 0; one = 1; r = one?zero:one?i++:j++; if(r!=0 || i!=0 || j!=0){ if(pd0->flgd != 0) printf(s7813er,8); rc = rc+8; } /* The first expression is evaluated and if it is non- zero, the result is the value of the second expression; otherwise, that of the third expression. */ if((one?zero:1) != 0 || (zero?1:zero) != 0){ if(pd0->flgd != 0) printf(s7813er,16); rc = rc+16; } return rc; } s81(pd0) /* 8.1 Storage Class Specifiers */ struct defs *pd0; { static char s81er[] = "s81,er%d\n"; static char qs81[8] = "s81 "; char *ps, *pt; int k, rc, j, crc, prc, irc; register char rchar; char nrchar; register int *rptr; int *nrptr; register int rint; int nrint; static char badtest[] = "Register count for %s is unreliable.\n"; static char goodtest[] = "%d registers assigned to %s variables.\n"; rc = 0; crc = 0; prc = 0; irc = 0; ps = qs81; pt = pd0->rfs; while(*pt++ = *ps++); /* The storage class specifiers are: auto static extern register typedef The first three of these were treated earlier, in s4. The last will be checked in s88. "Register" remains. There are three flavors of register, viz., char, int and pointer. We wish first to ascertain that the representations as register are consistent with the corresponding nonregister representations. */ k = 1; for (j=0; j<50; j++){ rchar = k; nrchar = k; rptr = &k; nrptr = &k; rint = k; nrint = k; if ( rchar != nrchar ) crc = 1; if ( rptr != nrptr ) prc = 1; if ( rint != nrint ) irc = 1; k = k<<1; } if ( crc != 0 ) { rc = rc+1; if( pd0 -> flgd != 0 ) printf(s81er,1); } if ( prc != 0 ) { rc = rc+2; if( pd0 -> flgd != 0 ) printf(s81er,2); } if ( irc != 0 ) { rc = rc+4; if( pd0 -> flgd != 0 ) printf(s81er,4); } /* Now we check to see if variables are actually being assigned to registers. */ k = regc(); if ( pd0->flgm != 0 ) { if ( k < 0 ) printf(badtest,"char"); else printf(goodtest,k,"char"); } k = regp(); if ( pd0->flgm != 0 ) { if ( k<0 ) printf(badtest,"pointer"); else printf(goodtest,k,"pointer"); } k = regi(); if ( pd0->flgm != 0 ) { if ( k<0 ) printf(badtest,"int"); else printf(goodtest,k,"int"); } return rc; } regc() { /* char to register assignment */ /* Testing a variable whose storage class has been spec- ified as "register" is somewhat tricky, but it can be done in a fairly reliable fashion by taking advantage of our knowledge of the ways in which compilers operate. If we declare a collection of vari- ables of the same storage class, we would expect that, when storage for these variables is actually allocated, the variables will be bunched together and ordered according to one of the following criteria: (a) the order in which they were defined. (b) the order in which they are used. (c) alphabetically. (d) the order in which they appear in the compiler's symbol table. (e) some other way. Hence, if we define a sequence of variables in close alpha- betical order, and use them in the same order in which we define them, we would expect the differences between the addresses of successive variables to be constant, except in case (d) where the symbol table is a hash table, or in case (e). If a subsequence in the middle of this sequence is selected, and for this subsequence, every other variable is specified to be "register", and address differences are taken between adjacent nonregister variables, we would still expect to find constant differences if the "register" vari- ables were actually assigned to registers, and some other diff- erences if they were not. Specifically, if we had N variables specified as "register" of which the first n were actually ass- igned to registers, we would expect the sequence of differences to consist of a number of occurrences of some number, followed by N-n occurrences of some other number, followed by several occurr- ences of the first number. If we get a sequence like this, we can determine, by simple subtraction, how many (if any) variables are being assigned to registers. If we get some other sequence, we know that the test is invalid. */ char r00; char r01; char r02; char r03; register char r04; char r05; register char r06; char r07; register char r08; char r09; register char r10; char r11; register char r12; char r13; register char r14; char r15; register char r16; char r17; register char r18; char r19; register char r20; char r21; register char r22; char r23; register char r24; char r25; register char r26; char r27; register char r28; char r29; register char r30; char r31; register char r32; char r33; register char r34; char r35; char r36; char r37; char r38; int s, n1, n2, nr, j, d[22]; r00 = 0; r01 = 1; r02 = 2; r03 = 3; r04 = 4; r05 = 5; r06 = 6; r07 = 7; r08 = 8; r09 = 9; r10 = 10; r11 = 11; r12 = 12; r13 = 13; r14 = 14; r15 = 15; r16 = 16; r17 = 17; r18 = 18; r19 = 19; r20 = 20; r21 = 21; r22 = 22; r23 = 23; r24 = 24; r25 = 25; r26 = 26; r27 = 27; r28 = 28; r29 = 29; r30 = 30; r31 = 31; r32 = 32; r33 = 33; r34 = 34; r35 = 35; r36 = 36; r37 = 37; r38 = 38; d[0] = &r01 - &r00; d[1] = &r02 - &r01; d[2] = &r03 - &r02; d[3] = &r05 - &r03; d[4] = &r07 - &r05; d[5] = &r09 - &r07; d[6] = &r11 - &r09; d[7] = &r13 - &r11; d[8] = &r15 - &r13; d[9] = &r17 - &r15; d[10] = &r19 - &r17; d[11] = &r21 - &r19; d[12] = &r23 - &r21; d[13] = &r25 - &r23; d[14] = &r27 - &r25; d[15] = &r29 - &r27; d[16] = &r31 - &r29; d[17] = &r33 - &r31; d[18] = &r35 - &r33; d[19] = &r36 - &r35; d[20] = &r37 - &r36; d[21] = &r38 - &r37; /* The following FSM analyzes the string of differences. It accepts strings of the form a+b+a+ and returns 16 minus the number of bs, which is the number of variables that actually got into registers. Otherwise it signals rejection by returning -1., indicating that the test is unreliable. */ n1 = d[0]; s = 1; for (j=0; j<22; j++) switch (s) { case 1: if (d[j] != n1) { n2 = d[j]; s = 2; nr = 1; } break; case 2: if (d[j] == n1) { s = 3; break; } if (d[j] == n2) { nr = nr+1; break; } s = 4; break; case 3: if (d[j] != n1) s = 4; break; } ; if (s == 3) return 16-nr; else return -1; } regi() { /* int to register assignment */ /* Testing a variable whose storage class has been spec- ified as "register" is somewhat tricky, but it can be done in a fairly reliable fashion by taking advantage of our knowledge of the ways in which compilers operate. If we declare a collection of vari- ables of the same storage class, we would expect that, when storage for these variables is actually allocated, the variables will be bunched together and ordered according to one of the following criteria: (a) the order in which they were defined. (b) the order in which they are used. (c) alphabetically. (d) the order in which they appear in the compiler's symbol table. (e) some other way. Hence, if we define a sequence of variables in close alpha- betical order, and use them in the same order in which we define them, we would expect the differences between the addresses of successive variables to be constant, except in case (d) where the symbol table is a hash table, or in case (e). If a subsequence in the middle of this sequence is selected, and for this subsequence, every other variable is specified to be "register", and address differences are taken between adjacent nonregister variables, we would still expect to find constant differences if the "register" vari- ables were actually assigned to registers, and some other diff- erences if they were not. Specifically, if we had N variables specified as "register" of which the first n were actually ass- igned to registers, we would expect the sequence of differences to consist of a number of occurrences of some number, followed by N-n occurrences of some other number, followed by several occurr- ences of the first number. If we get a sequence like this, we can determine, by simple subtraction, how many (if any) variables are being assigned to registers. If we get some other sequence, we know that the test is invalid. */ int r00; int r01; int r02; int r03; register int r04; int r05; register int r06; int r07; register int r08; int r09; register int r10; int r11; register int r12; int r13; register int r14; int r15; register int r16; int r17; register int r18; int r19; register int r20; int r21; register int r22; int r23; register int r24; int r25; register int r26; int r27; register int r28; int r29; register int r30; int r31; register int r32; int r33; register int r34; int r35; int r36; int r37; int r38; int s, n1, n2, nr, j, d[22]; r00 = 0; r01 = 1; r02 = 2; r03 = 3; r04 = 4; r05 = 5; r06 = 6; r07 = 7; r08 = 8; r09 = 9; r10 = 10; r11 = 11; r12 = 12; r13 = 13; r14 = 14; r15 = 15; r16 = 16; r17 = 17; r18 = 18; r19 = 19; r20 = 20; r21 = 21; r22 = 22; r23 = 23; r24 = 24; r25 = 25; r26 = 26; r27 = 27; r28 = 28; r29 = 29; r30 = 30; r31 = 31; r32 = 32; r33 = 33; r34 = 34; r35 = 35; r36 = 36; r37 = 37; r38 = 38; d[0] = &r01 - &r00; d[1] = &r02 - &r01; d[2] = &r03 - &r02; d[3] = &r05 - &r03; d[4] = &r07 - &r05; d[5] = &r09 - &r07; d[6] = &r11 - &r09; d[7] = &r13 - &r11; d[8] = &r15 - &r13; d[9] = &r17 - &r15; d[10] = &r19 - &r17; d[11] = &r21 - &r19; d[12] = &r23 - &r21; d[13] = &r25 - &r23; d[14] = &r27 - &r25; d[15] = &r29 - &r27; d[16] = &r31 - &r29; d[17] = &r33 - &r31; d[18] = &r35 - &r33; d[19] = &r36 - &r35; d[20] = &r37 - &r36; d[21] = &r38 - &r37; /* The following FSM analyzes the string of differences. It accepts strings of the form a+b+a+ and returns 16 minus the number of bs, which is the number of variables that actually got into registers. Otherwise it signals rejection by returning -1., indicating that the test is unreliable. */ n1 = d[0]; s = 1; for (j=0; j<22; j++) switch (s) { case 1: if (d[j] != n1) { n2 = d[j]; s = 2; nr = 1; } break; case 2: if (d[j] == n1) { s = 3; break; } if (d[j] == n2) { nr = nr+1; break; } s = 4; break; case 3: if (d[j] != n1) s = 4; break; } ; if (s == 3) return 16-nr; else return -1; } regp() { /* pointer to register assignment */ /* Testing a variable whose storage class has been spec- ified as "register" is somewhat tricky, but it can be done in a fairly reliable fashion by taking advantage of our knowledge of the ways in which compilers operate. If we declare a collection of vari- ables of the same storage class, we would expect that, when storage for these variables is actually allocated, the variables will be bunched together and ordered according to one of the following criteria: (a) the order in which they were defined. (b) the order in which they are used. (c) alphabetically. (d) the order in which they appear in the compiler's symbol table. (e) some other way. Hence, if we define a sequence of variables in close alpha- betical order, and use them in the same order in which we define them, we would expect the differences between the addresses of successive variables to be constant, except in case (d) where the symbol table is a hash table, or in case (e). If a subsequence in the middle of this sequence is selected, and for this subsequence, every other variable is specified to be "register", and address differences are taken between adjacent nonregister variables, we would still expect to find constant differences if the "register" vari- ables were actually assigned to registers, and some other diff- erences if they were not. Specifically, if we had N variables specified as "register" of which the first n were actually ass- igned to registers, we would expect the sequence of differences to consist of a number of occurrences of some number, followed by N-n occurrences of some other number, followed by several occurr- ences of the first number. If we get a sequence like this, we can determine, by simple subtraction, how many (if any) variables are being assigned to registers. If we get some other sequence, we know that the test is invalid. */ int *r00; int *r01; int *r02; int *r03; register int *r04; int *r05; register int *r06; int *r07; register int *r08; int *r09; register int *r10; int *r11; register int *r12; int *r13; register int *r14; int *r15; register int *r16; int *r17; register int *r18; int *r19; register int *r20; int *r21; register int *r22; int *r23; register int *r24; int *r25; register int *r26; int *r27; register int *r28; int *r29; register int *r30; int *r31; register int *r32; int *r33; register int *r34; int *r35; int *r36; int *r37; int *r38; int s, n1, n2, nr, j, d[22]; r00 = (int *)&r00; r01 = (int *)&r01; r02 = (int *)&r02; r03 = (int *)&r03; r04 = (int *)&r05; r05 = (int *)&r05; r06 = (int *)&r07; r07 = (int *)&r07; r08 = (int *)&r09; r09 = (int *)&r09; r10 = (int *)&r11; r11 = (int *)&r11; r12 = (int *)&r13; r13 = (int *)&r13; r14 = (int *)&r15; r15 = (int *)&r15; r16 = (int *)&r17; r17 = (int *)&r17; r18 = (int *)&r19; r19 = (int *)&r19; r20 = (int *)&r21; r21 = (int *)&r21; r22 = (int *)&r23; r23 = (int *)&r23; r24 = (int *)&r25; r25 = (int *)&r25; r26 = (int *)&r27; r27 = (int *)&r27; r28 = (int *)&r29; r29 = (int *)&r29; r30 = (int *)&r31; r31 = (int *)&r31; r32 = (int *)&r33; r33 = (int *)&r33; r34 = (int *)&r35; r35 = (int *)&r35; r36 = (int *)&r36; r37 = (int *)&r37; r38 = (int *)&r38; d[0] = &r01 - &r00; d[1] = &r02 - &r01; d[2] = &r03 - &r02; d[3] = &r05 - &r03; d[4] = &r07 - &r05; d[5] = &r09 - &r07; d[6] = &r11 - &r09; d[7] = &r13 - &r11; d[8] = &r15 - &r13; d[9] = &r17 - &r15; d[10] = &r19 - &r17; d[11] = &r21 - &r19; d[12] = &r23 - &r21; d[13] = &r25 - &r23; d[14] = &r27 - &r25; d[15] = &r29 - &r27; d[16] = &r31 - &r29; d[17] = &r33 - &r31; d[18] = &r35 - &r33; d[19] = &r36 - &r35; d[20] = &r37 - &r36; d[21] = &r38 - &r37; /* The following FSM analyzes the string of differences. It accepts strings of the form a+b+a+ and returns 16 minus the number of bs, which is the number of variables that actually got into registers. Otherwise it signals rejection by returning -1., indicating that the test is unreliable. */ n1 = d[0]; s = 1; for (j=0; j<22; j++) switch (s) { case 1: if (d[j] != n1) { n2 = d[j]; s = 2; nr = 1; } break; case 2: if (d[j] == n1) { s = 3; break; } if (d[j] == n2) { nr = nr+1; break; } s = 4; break; case 3: if (d[j] != n1) s = 4; break; } ; if (s == 3) return 16-nr; else return -1; } s84(pd0) /* 8.4 Meaning of declarators */ struct defs *pd0; { int *ip, i, *fip(), (*pfi)(), j, k, array(), glork(int); static int x3d[3][5][7]; float fa[17], *afp[17], sum; static char s84er[] = "s84,er%d\n"; static char qs84[8] = "s84 "; int rc; char *ps, *pt; ps = qs84; pt = pd0->rfs; rc = 0; while (*pt++ = *ps++); /* The more common varieties of declarators have al- ready been touched upon, some more than others. It is useful to compare *fip() and (*pfi)(). */ ip = fip(3); if(*ip != 3){ if(pd0->flgd != 0) printf(s84er,1); rc = rc+1; } pfi = glork; if((*pfi)(4) != 4){ if(pd0->flgd != 0) printf(s84er,2); rc = rc+2; } /* Float fa[17] declares an array of floating point numbers, and *afp[17] declares an array of pointers to floats. */ for(j=0; j<17; j++){ fa[j] = j; afp[j] = &fa[j]; } sum = 0.; for(j=0; j<17; j++) sum += *afp[j]; if(sum != 136){ if(pd0->flgd != 0) printf(s84er,4); rc = rc+4; } /* static int x3d[3][5][7] declares a static three dimensional array of integers, with rank 3x5x7. In complete detail, x3d is an array of three items; each item is an array of five arrays, and each of the latter arrays is an array of seven integers. Any of the expressions x3d, x3d[i], x3d[i][j], and x3d[i][j][k] may reasonably appear in an express- ion. The first three have type "array"; the last has type int. */ for (i=0; i<3; i++) for (j=0; j<5; j++) for (k=0; k<7; k++) x3d[i][j][k] = i*35+j*7+k; i = 1; j = 2; k = 3; if( array(x3d,105,0) +array(x3d[i],35,35) +array(x3d[i][j],7,49) + x3d[i][j][k]-52){ if(pd0->flgd != 0) printf(s84er,8); rc = rc+8; } return rc; } array(a,size,start) int a[], size, start; { int i; for(i=0; i<size; i++) if(a[i] != i+start) return 1; return 0; } int *fip(x) int x; { static int y; y = x; return &y; } glork(x) int x; {return x;} s85(pd0) /* 8.5 Structure and union declarations */ struct defs *pd0; { static char s85er[] = "s85,er%d\n"; static char qs85[8] = "s85 "; int rc; char *ps, *pt; struct tnode { char tword[20]; int count; struct tnode *left; struct tnode *right; }; struct tnode s1, s2, *sp; struct{ char cdummy; char c; } sc; struct{ char cdummy; short s; } ss; struct{ char cdummy; int i; } si; struct{ char cdummy; long l; } sl; struct{ char cdummy; unsigned u; } su; struct{ char cdummy; float f; } sf; struct{ char cdummy; double d; } sd; int diff[7], j; static char *type[] = { "char", "short", "int", "long", "unsigned", "float", "double" }; static char aln[] = " alignment: "; struct{ int twobit:2; int :1; int threebit:3; int onebit:1; } s3; union{ char u1[30]; short u2[30]; int u3[30]; long u4[30]; unsigned u5[30]; float u6[30]; double u7[30]; } u0; ps = qs85; pt = pd0->rfs; rc = 0; while (*pt++ = *ps++); /* Within a structure, the objects declared have addresses which increase as their declarations are read left to right. */ if( (char *)&s1.count - &s1.tword[0] <= 0 ||(char *)&s1.left - (char *)&s1.count <= 0 ||(char *)&s1.right - (char *)&s1.left <= 0){ if(pd0->flgd != 0) printf(s85er,1); rc = rc+1; } /* Each non-field member of a structure begins on an addressing boundary appropriate to its type. */ diff[0] = &sc.c - &sc.cdummy; diff[1] = (char *)&ss.s - &ss.cdummy; diff[2] = (char *)&si.i - &si.cdummy; diff[3] = (char *)&sl.l - &sl.cdummy; diff[4] = (char *)&su.u - &su.cdummy; diff[5] = (char *)&sf.f - &sf.cdummy; diff[6] = (char *)&sd.d - &sd.cdummy; if(pd0->flgm != 0) for(j=0; j<7; j++) printf("%s%s%d\n",type[j],aln,diff[j]); /* Field specifications are highly implementation de- pendent. About the only thing we can do here is to check is that the compiler accepts the field constructs, and that they seem to work, after a fashion, at run time... */ s3.threebit = 7; s3.twobit = s3.threebit; s3.threebit = s3.twobit; if(s3.threebit != 3){ if(s3.threebit == -1){ if(pd0->flgm != 0) printf("Sign extension in fields\n"); } else{ if(pd0->flgd != 0) printf(s85er,2); rc = rc+2; } } s3.onebit = 1; if(s3.onebit != 1){ if(pd0->flgm != 0) printf("Be especially careful with 1-bit fields!\n"); } /* A union may be thought of as a structure all of whose members begin at offset 0 and whose size is sufficient to contain any of its members. */ if( (char *)u0.u1 - (char *)&u0 != 0 ||(char *)u0.u2 - (char *)&u0 != 0 ||(char *)u0.u3 - (char *)&u0 != 0 ||(char *)u0.u4 - (char *)&u0 != 0 ||(char *)u0.u5 - (char *)&u0 != 0 ||(char *)u0.u6 - (char *)&u0 != 0 ||(char *)u0.u7 - (char *)&u0 != 0){ if(pd0->flgd != 0) printf(s85er,4); rc = rc+4; } if( sizeof u0 < sizeof u0.u1 ||sizeof u0 < sizeof u0.u2 ||sizeof u0 < sizeof u0.u3 ||sizeof u0 < sizeof u0.u4 ||sizeof u0 < sizeof u0.u5 ||sizeof u0 < sizeof u0.u6 ||sizeof u0 < sizeof u0.u7){ if(pd0->flgd != 0) printf(s85er,8); rc = rc+8; } /* Finally, we check that the pointers work. */ s1.right = &s2; s2.tword[0] = 2; s1.right->tword[0] += 1; if(s2.tword[0] != 3){ if(pd0->flgd != 0) printf(s85er,16); rc = rc+16; } return rc; } s86(pd0) /* 8.6 Initialization */ struct defs *pd0; { static char s86er[] = "s86,er%d\n"; static char qs86[8] = "s86 "; int lrc, rc; char *ps, *pt; int one(), i, j, k; static int x[] = {1,3,5}; static int *pint = x+2; static int zero[10]; int *apint = pint-1; register int *rpint = apint+one(); static float y0[] = {1,3,5,2,4,6,3,5,7,0,0,0}; static float y1[4][3] = { {1,3,5}, {2,4,6}, {3,5,7}, }; static float y2[4][3] = {1,3,5,2,4,6,3,5,7}; static float y3[4][3] = { {1},{2},{3},{4} }; ps = qs86; pt = pd0->rfs; rc = 0; while (*pt++ = *ps++); /* The expression in an initializer for a static or external variable must be a constant expression or an expression that reduces to the address of a pre- viously declared variable, possibly offset by a constant expression. */ if(*pint != 5){ if(pd0->flgd != 0) printf(s86er,1); rc = rc+1; } /* Automatic and register variables may be initialized by arbitrary expressions involving constants and previously declared variables and functions. */ if(*apint != 3){ if(pd0->flgd != 0) printf(s86er,2); rc = rc+2; } if(*rpint != 5){ if(pd0->flgd != 0) printf(s86er,4); rc = rc+4; } /* Static variables that are not initialized are guar- anteed to start off as zero. */ lrc = 0; for(j=0; j<10; j++) if(zero[j] != 0) lrc = 1; if(lrc != 0){ if(pd0->flgd != 0) printf(s86er,8); rc = rc+8; } /* y0, y1, and y2, as declared, should define and initialize identical arrays. */ lrc = 0; for(i=0; i<4; i++) for(j=0; j<3; j++){ k = 3*i+j; if( y1[i][j] != y2[i][j] ||y1[i][j] != y0[k]) lrc = 1; } if(lrc != 0){ if(pd0->flgd != 0) printf(s86er,16); rc = rc+16; } /* y3 initializes the first column of the array and leaves the rest zero. */ lrc = 0; for(j=0; j<4; j++) if(y3[j][0] != j+1) lrc = 1; if(lrc != 0){ if(pd0->flgd != 0) printf(s86er,32); rc = rc+32; } return rc; } one(){ return 1; } int *metricp; s88(pd0) /* 8.8 Typedef */ struct defs *pd0; { static char s88er[] = "s88,er%d\n"; static char qs88[8] = "s88 "; int rc; char *ps, *pt; /* Declarations whose "storage class" is typdef do not define storage, but instead define identifiers which can later be used as if they were type keywords naming fundamental or derived types. */ typedef int MILES, *KLICKSP; typedef struct {double re, im;} complex; MILES distance; extern KLICKSP metricp; complex z, *zp; ps = qs88; pt = pd0->rfs; rc = 0; while(*pt++ = *ps++); /* Hopefully, all of this stuff will compile. After that, we can only make some superficial tests. The type of distance is int, */ if(sizeof distance != sizeof(int)){ if(pd0->flgd != 0) printf(s88er,1); rc = rc+1; } /* that of metricp is "pointer to int", */ metricp = &distance; distance = 2; *metricp = 3; if(distance != 3){ if(pd0->flgd != 0) printf(s88er,2); rc = rc+2; } /* and that of z is the specified structure. zp is a pointer to such a structure. */ z.re = 0.; z.im = 0.; zp = &z; zp->re = 1.; zp->im = 1.; if(z.re+z.im != 2.){ if(pd0->flgd != 0) printf(s88er,4); rc = rc+4; } return rc; } s9(pd0) /* 9 Statements */ struct defs *pd0; { static char s9er[] = "s9,er%d\n"; static char qs9[8] = "s9 "; int rc; char *ps, *pt; int lrc, i; ps = qs9; pt = pd0->rfs; rc = 0; while (*pt++ = *ps++); /* One would think that the section on statements would provide the most variety in the entire sequence of tests. As it turns out, most of the material in this section has already been checked in the process of checking out everything else, and the section at this point is somewhat anticlimactic. For this reason, we restrict ourselves to testing two features not already covered. Compound statements are delimited by braces. They have the nice property that identifiers of the auto and register variety are pushed and popped. It is currently legal to transfer into a block, but we wont... */ lrc = 0; for(i=0; i<2; i++){ int j; register int k; j = k = 2; { int j; register int k; j = k = 3; if((j != 3) || (k != 3)) lrc = 1; } if((j != 2) || (k != 2)) lrc = 1; } if(lrc != 0){ if(pd0->flgd != 0) printf(s9er,1); rc = rc+1; } /* Goto statements go to labeled statements, we hope. */ goto nobarf; if(pd0->flgd != 0) printf(s9er,2); rc = rc+2; nobarf:; return rc; } setev(){ /* Sets an external variable. Used */ extern int extvar; /* by s4, and should be compiled */ extvar = 1066; /* separately from s4. */ } int lbits; /* long */ int ubits; /* unsigned */ int fbits; /* float */ int dbits; /* double */ float fprec; /* Smallest number that can be */ float dprec; /* significantly added to 1. */ int flgs; /* Print return codes, by section */ int flgm; /* Announce machine dependencies */ int flgd; /* give explicit diagnostics */ int flgl; /* Report local return codes. */ int rrc; /* recent return code */ int crc; /* Cumulative return code */ char rfs[8]; /* Return from section */
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