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Rev 1325 → Rev 1765
/string.c
0,0 → 1,1423
/* Tester for string functions. |
Copyright (C) 1995-2000, 2001 Free Software Foundation, Inc. |
This file is part of the GNU C Library. |
|
The GNU C Library is free software; you can redistribute it and/or |
modify it under the terms of the GNU Lesser General Public |
License as published by the Free Software Foundation; either |
version 2.1 of the License, or (at your option) any later version. |
|
The GNU C Library is distributed in the hope that it will be useful, |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
Lesser General Public License for more details. |
|
You should have received a copy of the GNU Lesser General Public |
License along with the GNU C Library; if not, write to the Free |
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
02111-1307 USA. */ |
|
#ifndef _GNU_SOURCE |
#define _GNU_SOURCE |
#endif |
|
/* Make sure we don't test the optimized inline functions if we want to |
test the real implementation. */ |
#if !defined DO_STRING_INLINES |
#undef __USE_STRING_INLINES |
#endif |
|
#include <errno.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <string.h> |
#include <strings.h> |
#include <fcntl.h> |
|
#define STREQ(a, b) (strcmp((a), (b)) == 0) |
|
const char *it = "<UNSET>"; /* Routine name for message routines. */ |
size_t errors = 0; |
|
/* Complain if condition is not true. */ |
static void |
check (int thing, int number) |
{ |
if (!thing) |
{ |
printf("%s flunked test %d\n", it, number); |
++errors; |
} |
} |
|
/* Complain if first two args don't strcmp as equal. */ |
static void |
equal (const char *a, const char *b, int number) |
{ |
check(a != NULL && b != NULL && STREQ (a, b), number); |
} |
|
char one[50]; |
char two[50]; |
char *cp; |
|
static void |
test_strcmp (void) |
{ |
it = "strcmp"; |
check (strcmp ("", "") == 0, 1); /* Trivial case. */ |
check (strcmp ("a", "a") == 0, 2); /* Identity. */ |
check (strcmp ("abc", "abc") == 0, 3); /* Multicharacter. */ |
check (strcmp ("abc", "abcd") < 0, 4); /* Length mismatches. */ |
check (strcmp ("abcd", "abc") > 0, 5); |
check (strcmp ("abcd", "abce") < 0, 6); /* Honest miscompares. */ |
check (strcmp ("abce", "abcd") > 0, 7); |
check (strcmp ("a\203", "a") > 0, 8); /* Tricky if char signed. */ |
check (strcmp ("a\203", "a\003") > 0, 9); |
|
{ |
char buf1[0x40], buf2[0x40]; |
int i, j; |
for (i=0; i < 0x10; i++) |
for (j = 0; j < 0x10; j++) |
{ |
int k; |
for (k = 0; k < 0x3f; k++) |
{ |
buf1[j] = '0' ^ (k & 4); |
buf2[j] = '4' ^ (k & 4); |
} |
buf1[i] = buf1[0x3f] = 0; |
buf2[j] = buf2[0x3f] = 0; |
for (k = 0; k < 0xf; k++) |
{ |
int cnum = 0x10+0x10*k+0x100*j+0x1000*i; |
check (strcmp (buf1+i,buf2+j) == 0, cnum); |
buf1[i+k] = 'A' + i + k; |
buf1[i+k+1] = 0; |
check (strcmp (buf1+i,buf2+j) > 0, cnum+1); |
check (strcmp (buf2+j,buf1+i) < 0, cnum+2); |
buf2[j+k] = 'B' + i + k; |
buf2[j+k+1] = 0; |
check (strcmp (buf1+i,buf2+j) < 0, cnum+3); |
check (strcmp (buf2+j,buf1+i) > 0, cnum+4); |
buf2[j+k] = 'A' + i + k; |
buf1[i] = 'A' + i + 0x80; |
check (strcmp (buf1+i,buf2+j) > 0, cnum+5); |
check (strcmp (buf2+j,buf1+i) < 0, cnum+6); |
buf1[i] = 'A' + i; |
} |
} |
} |
} |
|
#define SIMPLE_COPY(fn, n, str, ntest) \ |
do { \ |
int __n; \ |
char *cp; \ |
for (__n = 0; __n < (int) sizeof (one); ++__n) \ |
one[__n] = 'Z'; \ |
fn (one, str); \ |
for (cp = one, __n = 0; __n < n; ++__n, ++cp) \ |
check (*cp == '0' + (n % 10), ntest); \ |
check (*cp == '\0', ntest); \ |
} while (0) |
|
static void |
test_strcpy (void) |
{ |
int i; |
it = "strcpy"; |
check (strcpy (one, "abcd") == one, 1); /* Returned value. */ |
equal (one, "abcd", 2); /* Basic test. */ |
|
(void) strcpy (one, "x"); |
equal (one, "x", 3); /* Writeover. */ |
equal (one+2, "cd", 4); /* Wrote too much? */ |
|
(void) strcpy (two, "hi there"); |
(void) strcpy (one, two); |
equal (one, "hi there", 5); /* Basic test encore. */ |
equal (two, "hi there", 6); /* Stomped on source? */ |
|
(void) strcpy (one, ""); |
equal (one, "", 7); /* Boundary condition. */ |
|
for (i = 0; i < 16; i++) |
{ |
(void) strcpy (one + i, "hi there"); /* Unaligned destination. */ |
equal (one + i, "hi there", 8 + (i * 2)); |
(void) strcpy (two, one + i); /* Unaligned source. */ |
equal (two, "hi there", 9 + (i * 2)); |
} |
|
SIMPLE_COPY(strcpy, 0, "", 41); |
SIMPLE_COPY(strcpy, 1, "1", 42); |
SIMPLE_COPY(strcpy, 2, "22", 43); |
SIMPLE_COPY(strcpy, 3, "333", 44); |
SIMPLE_COPY(strcpy, 4, "4444", 45); |
SIMPLE_COPY(strcpy, 5, "55555", 46); |
SIMPLE_COPY(strcpy, 6, "666666", 47); |
SIMPLE_COPY(strcpy, 7, "7777777", 48); |
SIMPLE_COPY(strcpy, 8, "88888888", 49); |
SIMPLE_COPY(strcpy, 9, "999999999", 50); |
SIMPLE_COPY(strcpy, 10, "0000000000", 51); |
SIMPLE_COPY(strcpy, 11, "11111111111", 52); |
SIMPLE_COPY(strcpy, 12, "222222222222", 53); |
SIMPLE_COPY(strcpy, 13, "3333333333333", 54); |
SIMPLE_COPY(strcpy, 14, "44444444444444", 55); |
SIMPLE_COPY(strcpy, 15, "555555555555555", 56); |
SIMPLE_COPY(strcpy, 16, "6666666666666666", 57); |
} |
|
static void |
test_stpcpy (void) |
{ |
it = "stpcpy"; |
check ((stpcpy (one, "a") - one) == 1, 1); |
equal (one, "a", 2); |
|
check ((stpcpy (one, "ab") - one) == 2, 3); |
equal (one, "ab", 4); |
|
check ((stpcpy (one, "abc") - one) == 3, 5); |
equal (one, "abc", 6); |
|
check ((stpcpy (one, "abcd") - one) == 4, 7); |
equal (one, "abcd", 8); |
|
check ((stpcpy (one, "abcde") - one) == 5, 9); |
equal (one, "abcde", 10); |
|
check ((stpcpy (one, "abcdef") - one) == 6, 11); |
equal (one, "abcdef", 12); |
|
check ((stpcpy (one, "abcdefg") - one) == 7, 13); |
equal (one, "abcdefg", 14); |
|
check ((stpcpy (one, "abcdefgh") - one) == 8, 15); |
equal (one, "abcdefgh", 16); |
|
check ((stpcpy (one, "abcdefghi") - one) == 9, 17); |
equal (one, "abcdefghi", 18); |
|
check ((stpcpy (one, "x") - one) == 1, 19); |
equal (one, "x", 20); /* Writeover. */ |
equal (one+2, "cdefghi", 21); /* Wrote too much? */ |
|
check ((stpcpy (one, "xx") - one) == 2, 22); |
equal (one, "xx", 23); /* Writeover. */ |
equal (one+3, "defghi", 24); /* Wrote too much? */ |
|
check ((stpcpy (one, "xxx") - one) == 3, 25); |
equal (one, "xxx", 26); /* Writeover. */ |
equal (one+4, "efghi", 27); /* Wrote too much? */ |
|
check ((stpcpy (one, "xxxx") - one) == 4, 28); |
equal (one, "xxxx", 29); /* Writeover. */ |
equal (one+5, "fghi", 30); /* Wrote too much? */ |
|
check ((stpcpy (one, "xxxxx") - one) == 5, 31); |
equal (one, "xxxxx", 32); /* Writeover. */ |
equal (one+6, "ghi", 33); /* Wrote too much? */ |
|
check ((stpcpy (one, "xxxxxx") - one) == 6, 34); |
equal (one, "xxxxxx", 35); /* Writeover. */ |
equal (one+7, "hi", 36); /* Wrote too much? */ |
|
check ((stpcpy (one, "xxxxxxx") - one) == 7, 37); |
equal (one, "xxxxxxx", 38); /* Writeover. */ |
equal (one+8, "i", 39); /* Wrote too much? */ |
|
check ((stpcpy (stpcpy (stpcpy (one, "a"), "b"), "c") - one) == 3, 40); |
equal (one, "abc", 41); |
equal (one + 4, "xxx", 42); |
|
SIMPLE_COPY(stpcpy, 0, "", 43); |
SIMPLE_COPY(stpcpy, 1, "1", 44); |
SIMPLE_COPY(stpcpy, 2, "22", 45); |
SIMPLE_COPY(stpcpy, 3, "333", 46); |
SIMPLE_COPY(stpcpy, 4, "4444", 47); |
SIMPLE_COPY(stpcpy, 5, "55555", 48); |
SIMPLE_COPY(stpcpy, 6, "666666", 49); |
SIMPLE_COPY(stpcpy, 7, "7777777", 50); |
SIMPLE_COPY(stpcpy, 8, "88888888", 51); |
SIMPLE_COPY(stpcpy, 9, "999999999", 52); |
SIMPLE_COPY(stpcpy, 10, "0000000000", 53); |
SIMPLE_COPY(stpcpy, 11, "11111111111", 54); |
SIMPLE_COPY(stpcpy, 12, "222222222222", 55); |
SIMPLE_COPY(stpcpy, 13, "3333333333333", 56); |
SIMPLE_COPY(stpcpy, 14, "44444444444444", 57); |
SIMPLE_COPY(stpcpy, 15, "555555555555555", 58); |
SIMPLE_COPY(stpcpy, 16, "6666666666666666", 59); |
} |
|
static void |
test_stpncpy (void) |
{ |
it = "stpncpy"; |
memset (one, 'x', sizeof (one)); |
check (stpncpy (one, "abc", 2) == one + 2, 1); |
check (stpncpy (one, "abc", 3) == one + 3, 2); |
check (stpncpy (one, "abc", 4) == one + 3, 3); |
check (one[3] == '\0' && one[4] == 'x', 4); |
check (stpncpy (one, "abcd", 5) == one + 4, 5); |
check (one[4] == '\0' && one[5] == 'x', 6); |
check (stpncpy (one, "abcd", 6) == one + 4, 7); |
check (one[4] == '\0' && one[5] == '\0' && one[6] == 'x', 8); |
} |
|
static void |
test_strcat (void) |
{ |
it = "strcat"; |
(void) strcpy (one, "ijk"); |
check (strcat (one, "lmn") == one, 1); /* Returned value. */ |
equal (one, "ijklmn", 2); /* Basic test. */ |
|
(void) strcpy (one, "x"); |
(void) strcat (one, "yz"); |
equal (one, "xyz", 3); /* Writeover. */ |
equal (one+4, "mn", 4); /* Wrote too much? */ |
|
(void) strcpy (one, "gh"); |
(void) strcpy (two, "ef"); |
(void) strcat (one, two); |
equal (one, "ghef", 5); /* Basic test encore. */ |
equal (two, "ef", 6); /* Stomped on source? */ |
|
(void) strcpy (one, ""); |
(void) strcat (one, ""); |
equal (one, "", 7); /* Boundary conditions. */ |
(void) strcpy (one, "ab"); |
(void) strcat (one, ""); |
equal (one, "ab", 8); |
(void) strcpy (one, ""); |
(void) strcat (one, "cd"); |
equal (one, "cd", 9); |
} |
|
static void |
test_strncat (void) |
{ |
/* First test it as strcat, with big counts, then test the count |
mechanism. */ |
it = "strncat"; |
(void) strcpy (one, "ijk"); |
check (strncat (one, "lmn", 99) == one, 1); /* Returned value. */ |
equal (one, "ijklmn", 2); /* Basic test. */ |
|
(void) strcpy (one, "x"); |
(void) strncat (one, "yz", 99); |
equal (one, "xyz", 3); /* Writeover. */ |
equal (one+4, "mn", 4); /* Wrote too much? */ |
|
(void) strcpy (one, "gh"); |
(void) strcpy (two, "ef"); |
(void) strncat (one, two, 99); |
equal (one, "ghef", 5); /* Basic test encore. */ |
equal (two, "ef", 6); /* Stomped on source? */ |
|
(void) strcpy (one, ""); |
(void) strncat (one, "", 99); |
equal (one, "", 7); /* Boundary conditions. */ |
(void) strcpy (one, "ab"); |
(void) strncat (one, "", 99); |
equal (one, "ab", 8); |
(void) strcpy (one, ""); |
(void) strncat (one, "cd", 99); |
equal (one, "cd", 9); |
|
(void) strcpy (one, "ab"); |
(void) strncat (one, "cdef", 2); |
equal (one, "abcd", 10); /* Count-limited. */ |
|
(void) strncat (one, "gh", 0); |
equal (one, "abcd", 11); /* Zero count. */ |
|
(void) strncat (one, "gh", 2); |
equal (one, "abcdgh", 12); /* Count and length equal. */ |
} |
|
static void |
test_strncmp (void) |
{ |
/* First test as strcmp with big counts, then test count code. */ |
it = "strncmp"; |
check (strncmp ("", "", 99) == 0, 1); /* Trivial case. */ |
check (strncmp ("a", "a", 99) == 0, 2); /* Identity. */ |
check (strncmp ("abc", "abc", 99) == 0, 3); /* Multicharacter. */ |
check (strncmp ("abc", "abcd", 99) < 0, 4); /* Length unequal. */ |
check (strncmp ("abcd", "abc", 99) > 0, 5); |
check (strncmp ("abcd", "abce", 99) < 0, 6); /* Honestly unequal. */ |
check (strncmp ("abce", "abcd", 99) > 0, 7); |
check (strncmp ("a\203", "a", 2) > 0, 8); /* Tricky if '\203' < 0 */ |
check (strncmp ("a\203", "a\003", 2) > 0, 9); |
check (strncmp ("abce", "abcd", 3) == 0, 10); /* Count limited. */ |
check (strncmp ("abce", "abc", 3) == 0, 11); /* Count == length. */ |
check (strncmp ("abcd", "abce", 4) < 0, 12); /* Nudging limit. */ |
check (strncmp ("abc", "def", 0) == 0, 13); /* Zero count. */ |
} |
|
static void |
test_strncpy (void) |
{ |
/* Testing is a bit different because of odd semantics. */ |
it = "strncpy"; |
check (strncpy (one, "abc", 4) == one, 1); /* Returned value. */ |
equal (one, "abc", 2); /* Did the copy go right? */ |
|
(void) strcpy (one, "abcdefgh"); |
(void) strncpy (one, "xyz", 2); |
equal (one, "xycdefgh", 3); /* Copy cut by count. */ |
|
(void) strcpy (one, "abcdefgh"); |
(void) strncpy (one, "xyz", 3); /* Copy cut just before NUL. */ |
equal (one, "xyzdefgh", 4); |
|
(void) strcpy (one, "abcdefgh"); |
(void) strncpy (one, "xyz", 4); /* Copy just includes NUL. */ |
equal (one, "xyz", 5); |
equal (one+4, "efgh", 6); /* Wrote too much? */ |
|
(void) strcpy (one, "abcdefgh"); |
(void) strncpy (one, "xyz", 5); /* Copy includes padding. */ |
equal (one, "xyz", 7); |
equal (one+4, "", 8); |
equal (one+5, "fgh", 9); |
|
(void) strcpy (one, "abc"); |
(void) strncpy (one, "xyz", 0); /* Zero-length copy. */ |
equal (one, "abc", 10); |
|
(void) strncpy (one, "", 2); /* Zero-length source. */ |
equal (one, "", 11); |
equal (one+1, "", 12); |
equal (one+2, "c", 13); |
|
(void) strcpy (one, "hi there"); |
(void) strncpy (two, one, 9); |
equal (two, "hi there", 14); /* Just paranoia. */ |
equal (one, "hi there", 15); /* Stomped on source? */ |
} |
|
static void |
test_strlen (void) |
{ |
it = "strlen"; |
check (strlen ("") == 0, 1); /* Empty. */ |
check (strlen ("a") == 1, 2); /* Single char. */ |
check (strlen ("abcd") == 4, 3); /* Multiple chars. */ |
{ |
char buf[4096]; |
int i; |
char *p; |
for (i=0; i < 0x100; i++) |
{ |
p = (char *) ((unsigned long int)(buf + 0xff) & ~0xff) + i; |
strcpy (p, "OK"); |
strcpy (p+3, "BAD/WRONG"); |
check (strlen (p) == 2, 4+i); |
} |
} |
} |
|
static void |
test_strchr (void) |
{ |
it = "strchr"; |
check (strchr ("abcd", 'z') == NULL, 1); /* Not found. */ |
(void) strcpy (one, "abcd"); |
check (strchr (one, 'c') == one+2, 2); /* Basic test. */ |
check (strchr (one, 'd') == one+3, 3); /* End of string. */ |
check (strchr (one, 'a') == one, 4); /* Beginning. */ |
check (strchr (one, '\0') == one+4, 5); /* Finding NUL. */ |
(void) strcpy (one, "ababa"); |
check (strchr (one, 'b') == one+1, 6); /* Finding first. */ |
(void) strcpy (one, ""); |
check (strchr (one, 'b') == NULL, 7); /* Empty string. */ |
check (strchr (one, '\0') == one, 8); /* NUL in empty string. */ |
{ |
char buf[4096]; |
int i; |
char *p; |
for (i=0; i < 0x100; i++) |
{ |
p = (char *) ((unsigned long int) (buf + 0xff) & ~0xff) + i; |
strcpy (p, "OK"); |
strcpy (p+3, "BAD/WRONG"); |
check (strchr (p, '/') == NULL, 9+i); |
} |
} |
} |
|
static void |
test_strchrnul (void) |
{ |
const char *os; |
it = "strchrnul"; |
cp = strchrnul ((os = "abcd"), 'z'); |
check (*cp == '\0', 1); /* Not found. */ |
check (cp == os + 4, 2); |
(void) strcpy (one, "abcd"); |
check (strchrnul (one, 'c') == one+2, 3); /* Basic test. */ |
check (strchrnul (one, 'd') == one+3, 4); /* End of string. */ |
check (strchrnul (one, 'a') == one, 5); /* Beginning. */ |
check (strchrnul (one, '\0') == one+4, 6); /* Finding NUL. */ |
(void) strcpy (one, "ababa"); |
check (strchrnul (one, 'b') == one+1, 7); /* Finding first. */ |
(void) strcpy (one, ""); |
check (strchrnul (one, 'b') == one, 8); /* Empty string. */ |
check (strchrnul (one, '\0') == one, 9); /* NUL in empty string. */ |
{ |
char buf[4096]; |
int i; |
char *p; |
for (i=0; i < 0x100; i++) |
{ |
p = (char *) ((unsigned long int) (buf + 0xff) & ~0xff) + i; |
strcpy (p, "OK"); |
strcpy (p+3, "BAD/WRONG"); |
cp = strchrnul (p, '/'); |
check (*cp == '\0', 9+2*i); |
check (cp == p+2, 10+2*i); |
} |
} |
} |
|
static void |
test_rawmemchr (void) |
{ |
it = "rawmemchr"; |
(void) strcpy (one, "abcd"); |
check (rawmemchr (one, 'c') == one+2, 1); /* Basic test. */ |
check (rawmemchr (one, 'd') == one+3, 2); /* End of string. */ |
check (rawmemchr (one, 'a') == one, 3); /* Beginning. */ |
check (rawmemchr (one, '\0') == one+4, 4); /* Finding NUL. */ |
(void) strcpy (one, "ababa"); |
check (rawmemchr (one, 'b') == one+1, 5); /* Finding first. */ |
(void) strcpy (one, ""); |
check (rawmemchr (one, '\0') == one, 6); /* NUL in empty string. */ |
{ |
char buf[4096]; |
int i; |
char *p; |
for (i=0; i < 0x100; i++) |
{ |
p = (char *) ((unsigned long int) (buf + 0xff) & ~0xff) + i; |
strcpy (p, "OK"); |
strcpy (p+3, "BAD/WRONG"); |
check (rawmemchr (p, 'R') == p+8, 6+i); |
} |
} |
} |
|
static void |
test_index (void) |
{ |
it = "index"; |
check (index ("abcd", 'z') == NULL, 1); /* Not found. */ |
(void) strcpy (one, "abcd"); |
check (index (one, 'c') == one+2, 2); /* Basic test. */ |
check (index (one, 'd') == one+3, 3); /* End of string. */ |
check (index (one, 'a') == one, 4); /* Beginning. */ |
check (index (one, '\0') == one+4, 5); /* Finding NUL. */ |
(void) strcpy (one, "ababa"); |
check (index (one, 'b') == one+1, 6); /* Finding first. */ |
(void) strcpy (one, ""); |
check (index (one, 'b') == NULL, 7); /* Empty string. */ |
check (index (one, '\0') == one, 8); /* NUL in empty string. */ |
} |
|
static void |
test_strrchr (void) |
{ |
it = "strrchr"; |
check (strrchr ("abcd", 'z') == NULL, 1); /* Not found. */ |
(void) strcpy (one, "abcd"); |
check (strrchr (one, 'c') == one+2, 2); /* Basic test. */ |
check (strrchr (one, 'd') == one+3, 3); /* End of string. */ |
check (strrchr (one, 'a') == one, 4); /* Beginning. */ |
check (strrchr (one, '\0') == one+4, 5); /* Finding NUL. */ |
(void) strcpy (one, "ababa"); |
check (strrchr (one, 'b') == one+3, 6); /* Finding last. */ |
(void) strcpy (one, ""); |
check (strrchr (one, 'b') == NULL, 7); /* Empty string. */ |
check (strrchr (one, '\0') == one, 8); /* NUL in empty string. */ |
{ |
char buf[4096]; |
int i; |
char *p; |
for (i=0; i < 0x100; i++) |
{ |
p = (char *) ((unsigned long int) (buf + 0xff) & ~0xff) + i; |
strcpy (p, "OK"); |
strcpy (p+3, "BAD/WRONG"); |
check (strrchr (p, '/') == NULL, 9+i); |
} |
} |
} |
|
static void |
test_memrchr (void) |
{ |
size_t l; |
it = "memrchr"; |
check (memrchr ("abcd", 'z', 5) == NULL, 1); /* Not found. */ |
(void) strcpy (one, "abcd"); |
l = strlen (one) + 1; |
check (memrchr (one, 'c', l) == one+2, 2); /* Basic test. */ |
check (memrchr (one, 'd', l) == one+3, 3); /* End of string. */ |
check (memrchr (one, 'a', l) == one, 4); /* Beginning. */ |
check (memrchr (one, '\0', l) == one+4, 5); /* Finding NUL. */ |
(void) strcpy (one, "ababa"); |
l = strlen (one) + 1; |
check (memrchr (one, 'b', l) == one+3, 6); /* Finding last. */ |
(void) strcpy (one, ""); |
l = strlen (one) + 1; |
check (memrchr (one, 'b', l) == NULL, 7); /* Empty string. */ |
check (memrchr (one, '\0', l) == one, 8); /* NUL in empty string. */ |
|
/* now test all possible alignment and length combinations to catch |
bugs due to unrolled loops (assuming unrolling is limited to no |
more than 128 byte chunks: */ |
{ |
char buf[128 + sizeof(long)]; |
long align, len, i, pos; |
|
for (align = 0; align < (long) sizeof(long); ++align) { |
for (len = 0; len < (long) (sizeof(buf) - align); ++len) { |
for (i = 0; i < len; ++i) |
buf[align + i] = 'x'; /* don't depend on memset... */ |
|
for (pos = len - 1; pos >= 0; --pos) { |
#if 0 |
printf("align %d, len %d, pos %d\n", align, len, pos); |
#endif |
check(memrchr(buf + align, 'x', len) == buf + align + pos, 9); |
check(memrchr(buf + align + pos + 1, 'x', len - (pos + 1)) == NULL, |
10); |
buf[align + pos] = '-'; |
} |
} |
} |
} |
} |
|
static void |
test_rindex (void) |
{ |
it = "rindex"; |
check (rindex ("abcd", 'z') == NULL, 1); /* Not found. */ |
(void) strcpy (one, "abcd"); |
check (rindex (one, 'c') == one+2, 2); /* Basic test. */ |
check (rindex (one, 'd') == one+3, 3); /* End of string. */ |
check (rindex (one, 'a') == one, 4); /* Beginning. */ |
check (rindex (one, '\0') == one+4, 5); /* Finding NUL. */ |
(void) strcpy (one, "ababa"); |
check (rindex (one, 'b') == one+3, 6); /* Finding last. */ |
(void) strcpy (one, ""); |
check (rindex (one, 'b') == NULL, 7); /* Empty string. */ |
check (rindex (one, '\0') == one, 8); /* NUL in empty string. */ |
} |
|
static void |
test_strpbrk (void) |
{ |
it = "strpbrk"; |
check(strpbrk("abcd", "z") == NULL, 1); /* Not found. */ |
(void) strcpy(one, "abcd"); |
check(strpbrk(one, "c") == one+2, 2); /* Basic test. */ |
check(strpbrk(one, "d") == one+3, 3); /* End of string. */ |
check(strpbrk(one, "a") == one, 4); /* Beginning. */ |
check(strpbrk(one, "") == NULL, 5); /* Empty search list. */ |
check(strpbrk(one, "cb") == one+1, 6); /* Multiple search. */ |
(void) strcpy(one, "abcabdea"); |
check(strpbrk(one, "b") == one+1, 7); /* Finding first. */ |
check(strpbrk(one, "cb") == one+1, 8); /* With multiple search. */ |
check(strpbrk(one, "db") == one+1, 9); /* Another variant. */ |
(void) strcpy(one, ""); |
check(strpbrk(one, "bc") == NULL, 10); /* Empty string. */ |
(void) strcpy(one, ""); |
check(strpbrk(one, "bcd") == NULL, 11); /* Empty string. */ |
(void) strcpy(one, ""); |
check(strpbrk(one, "bcde") == NULL, 12); /* Empty string. */ |
check(strpbrk(one, "") == NULL, 13); /* Both strings empty. */ |
(void) strcpy(one, "abcabdea"); |
check(strpbrk(one, "befg") == one+1, 14); /* Finding first. */ |
check(strpbrk(one, "cbr") == one+1, 15); /* With multiple search. */ |
check(strpbrk(one, "db") == one+1, 16); /* Another variant. */ |
check(strpbrk(one, "efgh") == one+6, 17); /* And yet another. */ |
} |
|
static void |
test_strstr (void) |
{ |
it = "strstr"; |
check(strstr("abcd", "z") == NULL, 1); /* Not found. */ |
check(strstr("abcd", "abx") == NULL, 2); /* Dead end. */ |
(void) strcpy(one, "abcd"); |
check(strstr(one, "c") == one+2, 3); /* Basic test. */ |
check(strstr(one, "bc") == one+1, 4); /* Multichar. */ |
check(strstr(one, "d") == one+3, 5); /* End of string. */ |
check(strstr(one, "cd") == one+2, 6); /* Tail of string. */ |
check(strstr(one, "abc") == one, 7); /* Beginning. */ |
check(strstr(one, "abcd") == one, 8); /* Exact match. */ |
check(strstr(one, "abcde") == NULL, 9); /* Too long. */ |
check(strstr(one, "de") == NULL, 10); /* Past end. */ |
check(strstr(one, "") == one, 11); /* Finding empty. */ |
(void) strcpy(one, "ababa"); |
check(strstr(one, "ba") == one+1, 12); /* Finding first. */ |
(void) strcpy(one, ""); |
check(strstr(one, "b") == NULL, 13); /* Empty string. */ |
check(strstr(one, "") == one, 14); /* Empty in empty string. */ |
(void) strcpy(one, "bcbca"); |
check(strstr(one, "bca") == one+2, 15); /* False start. */ |
(void) strcpy(one, "bbbcabbca"); |
check(strstr(one, "bbca") == one+1, 16); /* With overlap. */ |
} |
|
static void |
test_strspn (void) |
{ |
it = "strspn"; |
check(strspn("abcba", "abc") == 5, 1); /* Whole string. */ |
check(strspn("abcba", "ab") == 2, 2); /* Partial. */ |
check(strspn("abc", "qx") == 0, 3); /* None. */ |
check(strspn("", "ab") == 0, 4); /* Null string. */ |
check(strspn("abc", "") == 0, 5); /* Null search list. */ |
} |
|
static void |
test_strcspn (void) |
{ |
it = "strcspn"; |
check(strcspn("abcba", "qx") == 5, 1); /* Whole string. */ |
check(strcspn("abcba", "cx") == 2, 2); /* Partial. */ |
check(strcspn("abc", "abc") == 0, 3); /* None. */ |
check(strcspn("", "ab") == 0, 4); /* Null string. */ |
check(strcspn("abc", "") == 3, 5); /* Null search list. */ |
} |
|
static void |
test_strtok (void) |
{ |
it = "strtok"; |
(void) strcpy(one, "first, second, third"); |
equal(strtok(one, ", "), "first", 1); /* Basic test. */ |
equal(one, "first", 2); |
equal(strtok((char *)NULL, ", "), "second", 3); |
equal(strtok((char *)NULL, ", "), "third", 4); |
check(strtok((char *)NULL, ", ") == NULL, 5); |
(void) strcpy(one, ", first, "); |
equal(strtok(one, ", "), "first", 6); /* Extra delims, 1 tok. */ |
check(strtok((char *)NULL, ", ") == NULL, 7); |
(void) strcpy(one, "1a, 1b; 2a, 2b"); |
equal(strtok(one, ", "), "1a", 8); /* Changing delim lists. */ |
equal(strtok((char *)NULL, "; "), "1b", 9); |
equal(strtok((char *)NULL, ", "), "2a", 10); |
(void) strcpy(two, "x-y"); |
equal(strtok(two, "-"), "x", 11); /* New string before done. */ |
equal(strtok((char *)NULL, "-"), "y", 12); |
check(strtok((char *)NULL, "-") == NULL, 13); |
(void) strcpy(one, "a,b, c,, ,d"); |
equal(strtok(one, ", "), "a", 14); /* Different separators. */ |
equal(strtok((char *)NULL, ", "), "b", 15); |
equal(strtok((char *)NULL, " ,"), "c", 16); /* Permute list too. */ |
equal(strtok((char *)NULL, " ,"), "d", 17); |
check(strtok((char *)NULL, ", ") == NULL, 18); |
check(strtok((char *)NULL, ", ") == NULL, 19); /* Persistence. */ |
(void) strcpy(one, ", "); |
check(strtok(one, ", ") == NULL, 20); /* No tokens. */ |
(void) strcpy(one, ""); |
check(strtok(one, ", ") == NULL, 21); /* Empty string. */ |
(void) strcpy(one, "abc"); |
equal(strtok(one, ", "), "abc", 22); /* No delimiters. */ |
check(strtok((char *)NULL, ", ") == NULL, 23); |
(void) strcpy(one, "abc"); |
equal(strtok(one, ""), "abc", 24); /* Empty delimiter list. */ |
check(strtok((char *)NULL, "") == NULL, 25); |
(void) strcpy(one, "abcdefgh"); |
(void) strcpy(one, "a,b,c"); |
equal(strtok(one, ","), "a", 26); /* Basics again... */ |
equal(strtok((char *)NULL, ","), "b", 27); |
equal(strtok((char *)NULL, ","), "c", 28); |
check(strtok((char *)NULL, ",") == NULL, 29); |
equal(one+6, "gh", 30); /* Stomped past end? */ |
equal(one, "a", 31); /* Stomped old tokens? */ |
equal(one+2, "b", 32); |
equal(one+4, "c", 33); |
} |
|
static void |
test_strtok_r (void) |
{ |
it = "strtok_r"; |
(void) strcpy(one, "first, second, third"); |
cp = NULL; /* Always initialize cp to make sure it doesn't point to some old data. */ |
equal(strtok_r(one, ", ", &cp), "first", 1); /* Basic test. */ |
equal(one, "first", 2); |
equal(strtok_r((char *)NULL, ", ", &cp), "second", 3); |
equal(strtok_r((char *)NULL, ", ", &cp), "third", 4); |
check(strtok_r((char *)NULL, ", ", &cp) == NULL, 5); |
(void) strcpy(one, ", first, "); |
cp = NULL; |
equal(strtok_r(one, ", ", &cp), "first", 6); /* Extra delims, 1 tok. */ |
check(strtok_r((char *)NULL, ", ", &cp) == NULL, 7); |
(void) strcpy(one, "1a, 1b; 2a, 2b"); |
cp = NULL; |
equal(strtok_r(one, ", ", &cp), "1a", 8); /* Changing delim lists. */ |
equal(strtok_r((char *)NULL, "; ", &cp), "1b", 9); |
equal(strtok_r((char *)NULL, ", ", &cp), "2a", 10); |
(void) strcpy(two, "x-y"); |
cp = NULL; |
equal(strtok_r(two, "-", &cp), "x", 11); /* New string before done. */ |
equal(strtok_r((char *)NULL, "-", &cp), "y", 12); |
check(strtok_r((char *)NULL, "-", &cp) == NULL, 13); |
(void) strcpy(one, "a,b, c,, ,d"); |
cp = NULL; |
equal(strtok_r(one, ", ", &cp), "a", 14); /* Different separators. */ |
equal(strtok_r((char *)NULL, ", ", &cp), "b", 15); |
equal(strtok_r((char *)NULL, " ,", &cp), "c", 16); /* Permute list too. */ |
equal(strtok_r((char *)NULL, " ,", &cp), "d", 17); |
check(strtok_r((char *)NULL, ", ", &cp) == NULL, 18); |
check(strtok_r((char *)NULL, ", ", &cp) == NULL, 19); /* Persistence. */ |
(void) strcpy(one, ", "); |
cp = NULL; |
check(strtok_r(one, ", ", &cp) == NULL, 20); /* No tokens. */ |
(void) strcpy(one, ""); |
cp = NULL; |
check(strtok_r(one, ", ", &cp) == NULL, 21); /* Empty string. */ |
check(strtok_r((char *)NULL, ", ", &cp) == NULL, 22); /* Persistence. */ |
(void) strcpy(one, "abc"); |
cp = NULL; |
equal(strtok_r(one, ", ", &cp), "abc", 23); /* No delimiters. */ |
check(strtok_r((char *)NULL, ", ", &cp) == NULL, 24); |
(void) strcpy(one, "abc"); |
cp = NULL; |
equal(strtok_r(one, "", &cp), "abc", 25); /* Empty delimiter list. */ |
check(strtok_r((char *)NULL, "", &cp) == NULL, 26); |
(void) strcpy(one, "abcdefgh"); |
(void) strcpy(one, "a,b,c"); |
cp = NULL; |
equal(strtok_r(one, ",", &cp), "a", 27); /* Basics again... */ |
equal(strtok_r((char *)NULL, ",", &cp), "b", 28); |
equal(strtok_r((char *)NULL, ",", &cp), "c", 29); |
check(strtok_r((char *)NULL, ",", &cp) == NULL, 30); |
equal(one+6, "gh", 31); /* Stomped past end? */ |
equal(one, "a", 32); /* Stomped old tokens? */ |
equal(one+2, "b", 33); |
equal(one+4, "c", 34); |
} |
|
static void |
test_strsep (void) |
{ |
char *ptr; |
it = "strsep"; |
cp = strcpy(one, "first, second, third"); |
equal(strsep(&cp, ", "), "first", 1); /* Basic test. */ |
equal(one, "first", 2); |
equal(strsep(&cp, ", "), "", 3); |
equal(strsep(&cp, ", "), "second", 4); |
equal(strsep(&cp, ", "), "", 5); |
equal(strsep(&cp, ", "), "third", 6); |
check(strsep(&cp, ", ") == NULL, 7); |
cp = strcpy(one, ", first, "); |
equal(strsep(&cp, ", "), "", 8); |
equal(strsep(&cp, ", "), "", 9); |
equal(strsep(&cp, ", "), "first", 10); /* Extra delims, 1 tok. */ |
equal(strsep(&cp, ", "), "", 11); |
equal(strsep(&cp, ", "), "", 12); |
check(strsep(&cp, ", ") == NULL, 13); |
cp = strcpy(one, "1a, 1b; 2a, 2b"); |
equal(strsep(&cp, ", "), "1a", 14); /* Changing delim lists. */ |
equal(strsep(&cp, ", "), "", 15); |
equal(strsep(&cp, "; "), "1b", 16); |
equal(strsep(&cp, ", "), "", 17); |
equal(strsep(&cp, ", "), "2a", 18); |
cp = strcpy(two, "x-y"); |
equal(strsep(&cp, "-"), "x", 19); /* New string before done. */ |
equal(strsep(&cp, "-"), "y", 20); |
check(strsep(&cp, "-") == NULL, 21); |
cp = strcpy(one, "a,b, c,, ,d "); |
equal(strsep(&cp, ", "), "a", 22); /* Different separators. */ |
equal(strsep(&cp, ", "), "b", 23); |
equal(strsep(&cp, " ,"), "", 24); |
equal(strsep(&cp, " ,"), "c", 25); /* Permute list too. */ |
equal(strsep(&cp, " ,"), "", 26); |
equal(strsep(&cp, " ,"), "", 27); |
equal(strsep(&cp, " ,"), "", 28); |
equal(strsep(&cp, " ,"), "d", 29); |
equal(strsep(&cp, " ,"), "", 30); |
check(strsep(&cp, ", ") == NULL, 31); |
check(strsep(&cp, ", ") == NULL, 32); /* Persistence. */ |
cp = strcpy(one, ", "); |
equal(strsep(&cp, ", "), "", 33); |
equal(strsep(&cp, ", "), "", 34); |
equal(strsep(&cp, ", "), "", 35); |
check(strsep(&cp, ", ") == NULL, 36); /* No tokens. */ |
cp = strcpy(one, ""); |
equal(strsep(&cp, ", "), "", 37); |
check(strsep(&cp, ", ") == NULL, 38); /* Empty string. */ |
cp = strcpy(one, "abc"); |
equal(strsep(&cp, ", "), "abc", 39); /* No delimiters. */ |
check(strsep(&cp, ", ") == NULL, 40); |
cp = strcpy(one, "abc"); |
equal(strsep(&cp, ""), "abc", 41); /* Empty delimiter list. */ |
check(strsep(&cp, "") == NULL, 42); |
(void) strcpy(one, "abcdefgh"); |
cp = strcpy(one, "a,b,c"); |
equal(strsep(&cp, ","), "a", 43); /* Basics again... */ |
equal(strsep(&cp, ","), "b", 44); |
equal(strsep(&cp, ","), "c", 45); |
check(strsep(&cp, ",") == NULL, 46); |
equal(one+6, "gh", 47); /* Stomped past end? */ |
equal(one, "a", 48); /* Stomped old tokens? */ |
equal(one+2, "b", 49); |
equal(one+4, "c", 50); |
|
{ |
char text[] = "This,is,a,test"; |
char *list = strdupa (text); |
equal (strsep (&list, ","), "This", 51); |
equal (strsep (&list, ","), "is", 52); |
equal (strsep (&list, ","), "a", 53); |
equal (strsep (&list, ","), "test", 54); |
check (strsep (&list, ",") == NULL, 55); |
} |
|
cp = strcpy(one, "a,b, c,, ,d,"); |
equal(strsep(&cp, ","), "a", 56); /* Different separators. */ |
equal(strsep(&cp, ","), "b", 57); |
equal(strsep(&cp, ","), " c", 58); /* Permute list too. */ |
equal(strsep(&cp, ","), "", 59); |
equal(strsep(&cp, ","), " ", 60); |
equal(strsep(&cp, ","), "d", 61); |
equal(strsep(&cp, ","), "", 62); |
check(strsep(&cp, ",") == NULL, 63); |
check(strsep(&cp, ",") == NULL, 64); /* Persistence. */ |
|
cp = strcpy(one, "a,b, c,, ,d,"); |
equal(strsep(&cp, "xy,"), "a", 65); /* Different separators. */ |
equal(strsep(&cp, "x,y"), "b", 66); |
equal(strsep(&cp, ",xy"), " c", 67); /* Permute list too. */ |
equal(strsep(&cp, "xy,"), "", 68); |
equal(strsep(&cp, "x,y"), " ", 69); |
equal(strsep(&cp, ",xy"), "d", 70); |
equal(strsep(&cp, "xy,"), "", 71); |
check(strsep(&cp, "x,y") == NULL, 72); |
check(strsep(&cp, ",xy") == NULL, 73); /* Persistence. */ |
|
cp = strcpy(one, "ABC"); |
one[4] = ':'; |
equal(strsep(&cp, "C"), "AB", 74); /* Access beyond NUL. */ |
ptr = strsep(&cp, ":"); |
equal(ptr, "", 75); |
check(ptr == one + 3, 76); |
check(cp == NULL, 77); |
|
cp = strcpy(one, "ABC"); |
one[4] = ':'; |
equal(strsep(&cp, "CD"), "AB", 78); /* Access beyond NUL. */ |
ptr = strsep(&cp, ":."); |
equal(ptr, "", 79); |
check(ptr == one + 3, 80); |
|
cp = strcpy(one, "ABC"); /* No token in string. */ |
equal(strsep(&cp, ","), "ABC", 81); |
check(cp == NULL, 82); |
|
*one = '\0'; /* Empty string. */ |
cp = one; |
ptr = strsep(&cp, ","); |
equal(ptr, "", 83); |
check(ptr == one, 84); |
check(cp == NULL, 85); |
|
*one = '\0'; /* Empty string and no token. */ |
cp = one; |
ptr = strsep(&cp, ""); |
equal(ptr, "", 86); |
check(ptr == one , 87); |
check(cp == NULL, 88); |
} |
|
static void |
test_memcmp (void) |
{ |
it = "memcmp"; |
check(memcmp("a", "a", 1) == 0, 1); /* Identity. */ |
check(memcmp("abc", "abc", 3) == 0, 2); /* Multicharacter. */ |
check(memcmp("abcd", "abce", 4) < 0, 3); /* Honestly unequal. */ |
check(memcmp("abce", "abcd", 4) > 0, 4); |
check(memcmp("alph", "beta", 4) < 0, 5); |
check(memcmp("a\203", "a\003", 2) > 0, 6); |
check(memcmp("abce", "abcd", 3) == 0, 7); /* Count limited. */ |
check(memcmp("abc", "def", 0) == 0, 8); /* Zero count. */ |
} |
|
static void |
test_memchr (void) |
{ |
it = "memchr"; |
check(memchr("abcd", 'z', 4) == NULL, 1); /* Not found. */ |
(void) strcpy(one, "abcd"); |
check(memchr(one, 'c', 4) == one+2, 2); /* Basic test. */ |
check(memchr(one, ~0xff|'c', 4) == one+2, 2); /* ignore highorder bits. */ |
check(memchr(one, 'd', 4) == one+3, 3); /* End of string. */ |
check(memchr(one, 'a', 4) == one, 4); /* Beginning. */ |
check(memchr(one, '\0', 5) == one+4, 5); /* Finding NUL. */ |
(void) strcpy(one, "ababa"); |
check(memchr(one, 'b', 5) == one+1, 6); /* Finding first. */ |
check(memchr(one, 'b', 0) == NULL, 7); /* Zero count. */ |
check(memchr(one, 'a', 1) == one, 8); /* Singleton case. */ |
(void) strcpy(one, "a\203b"); |
check(memchr(one, 0203, 3) == one+1, 9); /* Unsignedness. */ |
|
/* now test all possible alignment and length combinations to catch |
bugs due to unrolled loops (assuming unrolling is limited to no |
more than 128 byte chunks: */ |
{ |
char buf[128 + sizeof(long)]; |
long align, len, i, pos; |
|
for (align = 0; align < (long) sizeof(long); ++align) { |
for (len = 0; len < (long) (sizeof(buf) - align); ++len) { |
for (i = 0; i < len; ++i) { |
buf[align + i] = 'x'; /* don't depend on memset... */ |
} |
for (pos = 0; pos < len; ++pos) { |
#if 0 |
printf("align %d, len %d, pos %d\n", align, len, pos); |
#endif |
check(memchr(buf + align, 'x', len) == buf + align + pos, 10); |
check(memchr(buf + align, 'x', pos) == NULL, 11); |
buf[align + pos] = '-'; |
} |
} |
} |
} |
} |
|
static void |
test_memcpy (void) |
{ |
int i; |
it = "memcpy"; |
check(memcpy(one, "abc", 4) == one, 1); /* Returned value. */ |
equal(one, "abc", 2); /* Did the copy go right? */ |
|
(void) strcpy(one, "abcdefgh"); |
(void) memcpy(one+1, "xyz", 2); |
equal(one, "axydefgh", 3); /* Basic test. */ |
|
(void) strcpy(one, "abc"); |
(void) memcpy(one, "xyz", 0); |
equal(one, "abc", 4); /* Zero-length copy. */ |
|
(void) strcpy(one, "hi there"); |
(void) strcpy(two, "foo"); |
(void) memcpy(two, one, 9); |
equal(two, "hi there", 5); /* Just paranoia. */ |
equal(one, "hi there", 6); /* Stomped on source? */ |
|
for (i = 0; i < 16; i++) |
{ |
const char *x = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"; |
strcpy (one, x); |
check (memcpy (one + i, "hi there", 9) == one + i, |
7 + (i * 6)); /* Unaligned destination. */ |
check (memcmp (one, x, i) == 0, 8 + (i * 6)); /* Wrote under? */ |
equal (one + i, "hi there", 9 + (i * 6)); |
check (one[i + 9] == 'x', 10 + (i * 6)); /* Wrote over? */ |
check (memcpy (two, one + i, 9) == two, |
11 + (i * 6)); /* Unaligned source. */ |
equal (two, "hi there", 12 + (i * 6)); |
} |
} |
|
static void |
test_mempcpy (void) |
{ |
int i; |
it = "mempcpy"; |
check(mempcpy(one, "abc", 4) == one + 4, 1); /* Returned value. */ |
equal(one, "abc", 2); /* Did the copy go right? */ |
|
(void) strcpy(one, "abcdefgh"); |
(void) mempcpy(one+1, "xyz", 2); |
equal(one, "axydefgh", 3); /* Basic test. */ |
|
(void) strcpy(one, "abc"); |
(void) mempcpy(one, "xyz", 0); |
equal(one, "abc", 4); /* Zero-length copy. */ |
|
(void) strcpy(one, "hi there"); |
(void) strcpy(two, "foo"); |
(void) mempcpy(two, one, 9); |
equal(two, "hi there", 5); /* Just paranoia. */ |
equal(one, "hi there", 6); /* Stomped on source? */ |
|
for (i = 0; i < 16; i++) |
{ |
const char *x = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"; |
strcpy (one, x); |
check (mempcpy (one + i, "hi there", 9) == one + i + 9, |
7 + (i * 6)); /* Unaligned destination. */ |
check (memcmp (one, x, i) == 0, 8 + (i * 6)); /* Wrote under? */ |
equal (one + i, "hi there", 9 + (i * 6)); |
check (one[i + 9] == 'x', 10 + (i * 6)); /* Wrote over? */ |
check (mempcpy (two, one + i, 9) == two + 9, |
11 + (i * 6)); /* Unaligned source. */ |
equal (two, "hi there", 12 + (i * 6)); |
} |
} |
|
static void |
test_memmove (void) |
{ |
it = "memmove"; |
check(memmove(one, "abc", 4) == one, 1); /* Returned value. */ |
equal(one, "abc", 2); /* Did the copy go right? */ |
|
(void) strcpy(one, "abcdefgh"); |
(void) memmove(one+1, "xyz", 2); |
equal(one, "axydefgh", 3); /* Basic test. */ |
|
(void) strcpy(one, "abc"); |
(void) memmove(one, "xyz", 0); |
equal(one, "abc", 4); /* Zero-length copy. */ |
|
(void) strcpy(one, "hi there"); |
(void) strcpy(two, "foo"); |
(void) memmove(two, one, 9); |
equal(two, "hi there", 5); /* Just paranoia. */ |
equal(one, "hi there", 6); /* Stomped on source? */ |
|
(void) strcpy(one, "abcdefgh"); |
(void) memmove(one+1, one, 9); |
equal(one, "aabcdefgh", 7); /* Overlap, right-to-left. */ |
|
(void) strcpy(one, "abcdefgh"); |
(void) memmove(one+1, one+2, 7); |
equal(one, "acdefgh", 8); /* Overlap, left-to-right. */ |
|
(void) strcpy(one, "abcdefgh"); |
(void) memmove(one, one, 9); |
equal(one, "abcdefgh", 9); /* 100% overlap. */ |
} |
|
static void |
test_memccpy (void) |
{ |
/* First test like memcpy, then the search part The SVID, the only |
place where memccpy is mentioned, says overlap might fail, so we |
don't try it. Besides, it's hard to see the rationale for a |
non-left-to-right memccpy. */ |
it = "memccpy"; |
check(memccpy(one, "abc", 'q', 4) == NULL, 1); /* Returned value. */ |
equal(one, "abc", 2); /* Did the copy go right? */ |
|
(void) strcpy(one, "abcdefgh"); |
(void) memccpy(one+1, "xyz", 'q', 2); |
equal(one, "axydefgh", 3); /* Basic test. */ |
|
(void) strcpy(one, "abc"); |
(void) memccpy(one, "xyz", 'q', 0); |
equal(one, "abc", 4); /* Zero-length copy. */ |
|
(void) strcpy(one, "hi there"); |
(void) strcpy(two, "foo"); |
(void) memccpy(two, one, 'q', 9); |
equal(two, "hi there", 5); /* Just paranoia. */ |
equal(one, "hi there", 6); /* Stomped on source? */ |
|
(void) strcpy(one, "abcdefgh"); |
(void) strcpy(two, "horsefeathers"); |
check(memccpy(two, one, 'f', 9) == two+6, 7); /* Returned value. */ |
equal(one, "abcdefgh", 8); /* Source intact? */ |
equal(two, "abcdefeathers", 9); /* Copy correct? */ |
|
(void) strcpy(one, "abcd"); |
(void) strcpy(two, "bumblebee"); |
check(memccpy(two, one, 'a', 4) == two+1, 10); /* First char. */ |
equal(two, "aumblebee", 11); |
check(memccpy(two, one, 'd', 4) == two+4, 12); /* Last char. */ |
equal(two, "abcdlebee", 13); |
(void) strcpy(one, "xyz"); |
check(memccpy(two, one, 'x', 1) == two+1, 14); /* Singleton. */ |
equal(two, "xbcdlebee", 15); |
} |
|
static void |
test_memset (void) |
{ |
int i; |
|
it = "memset"; |
(void) strcpy(one, "abcdefgh"); |
check(memset(one+1, 'x', 3) == one+1, 1); /* Return value. */ |
equal(one, "axxxefgh", 2); /* Basic test. */ |
|
(void) memset(one+2, 'y', 0); |
equal(one, "axxxefgh", 3); /* Zero-length set. */ |
|
(void) memset(one+5, 0, 1); |
equal(one, "axxxe", 4); /* Zero fill. */ |
equal(one+6, "gh", 5); /* And the leftover. */ |
|
(void) memset(one+2, 010045, 1); |
equal(one, "ax\045xe", 6); /* Unsigned char convert. */ |
|
/* Non-8bit fill character. */ |
memset (one, 0x101, sizeof (one)); |
for (i = 0; i < (int) sizeof (one); ++i) |
check (one[i] == '\01', 7); |
|
/* Test for more complex versions of memset, for all alignments and |
lengths up to 256. This test takes a little while, perhaps it should |
be made weaker? */ |
{ |
char data[512]; |
int j; |
int k; |
int c; |
|
for (i = 0; i < 512; i++) |
data[i] = 'x'; |
for (c = 0; c <= 'y'; c += 'y') /* check for memset(,0,) and |
memset(,'y',) */ |
for (j = 0; j < 256; j++) |
for (i = 0; i < 256; i++) |
{ |
memset (data + i, c, j); |
for (k = 0; k < i; k++) |
if (data[k] != 'x') |
goto fail; |
for (k = i; k < i+j; k++) |
{ |
if (data[k] != c) |
goto fail; |
data[k] = 'x'; |
} |
for (k = i+j; k < 512; k++) |
if (data[k] != 'x') |
goto fail; |
continue; |
|
fail: |
check (0, 8 + i + j * 256 + (c != 0) * 256 * 256); |
} |
} |
} |
|
static void |
test_bcopy (void) |
{ |
/* Much like memcpy. Berklix manual is silent about overlap, so |
don't test it. */ |
it = "bcopy"; |
(void) bcopy("abc", one, 4); |
equal(one, "abc", 1); /* Simple copy. */ |
|
(void) strcpy(one, "abcdefgh"); |
(void) bcopy("xyz", one+1, 2); |
equal(one, "axydefgh", 2); /* Basic test. */ |
|
(void) strcpy(one, "abc"); |
(void) bcopy("xyz", one, 0); |
equal(one, "abc", 3); /* Zero-length copy. */ |
|
(void) strcpy(one, "hi there"); |
(void) strcpy(two, "foo"); |
(void) bcopy(one, two, 9); |
equal(two, "hi there", 4); /* Just paranoia. */ |
equal(one, "hi there", 5); /* Stomped on source? */ |
} |
|
static void |
test_bzero (void) |
{ |
it = "bzero"; |
(void) strcpy(one, "abcdef"); |
bzero(one+2, 2); |
equal(one, "ab", 1); /* Basic test. */ |
equal(one+3, "", 2); |
equal(one+4, "ef", 3); |
|
(void) strcpy(one, "abcdef"); |
bzero(one+2, 0); |
equal(one, "abcdef", 4); /* Zero-length copy. */ |
} |
|
static void |
test_strndup (void) |
{ |
char *p, *q; |
it = "strndup"; |
p = strndup("abcdef", 12); |
check(p != NULL, 1); |
if (p != NULL) |
{ |
equal(p, "abcdef", 2); |
q = strndup(p + 1, 2); |
check(q != NULL, 3); |
if (q != NULL) |
equal(q, "bc", 4); |
free (q); |
} |
free (p); |
p = strndup("abc def", 3); |
check(p != NULL, 5); |
if (p != NULL) |
equal(p, "abc", 6); |
free (p); |
} |
|
static void |
test_bcmp (void) |
{ |
it = "bcmp"; |
check(bcmp("a", "a", 1) == 0, 1); /* Identity. */ |
check(bcmp("abc", "abc", 3) == 0, 2); /* Multicharacter. */ |
check(bcmp("abcd", "abce", 4) != 0, 3); /* Honestly unequal. */ |
check(bcmp("abce", "abcd", 4) != 0, 4); |
check(bcmp("alph", "beta", 4) != 0, 5); |
check(bcmp("abce", "abcd", 3) == 0, 6); /* Count limited. */ |
check(bcmp("abc", "def", 0) == 0, 8); /* Zero count. */ |
} |
|
static void |
test_strerror (void) |
{ |
it = "strerror"; |
check(strerror(EDOM) != 0, 1); |
check(strerror(ERANGE) != 0, 2); |
check(strerror(ENOENT) != 0, 3); |
} |
|
int |
main (void) |
{ |
int status; |
|
/* Test strcmp first because we use it to test other things. */ |
test_strcmp (); |
|
/* Test strcpy next because we need it to set up other tests. */ |
test_strcpy (); |
|
/* A closely related function is stpcpy. */ |
test_stpcpy (); |
|
/* stpncpy. */ |
test_stpncpy (); |
|
/* strcat. */ |
test_strcat (); |
|
/* strncat. */ |
test_strncat (); |
|
/* strncmp. */ |
test_strncmp (); |
|
/* strncpy. */ |
test_strncpy (); |
|
/* strlen. */ |
test_strlen (); |
|
/* strchr. */ |
test_strchr (); |
|
/* strchrnul. */ |
test_strchrnul (); |
|
/* rawmemchr. */ |
test_rawmemchr (); |
|
/* index - just like strchr. */ |
test_index (); |
|
/* strrchr. */ |
test_strrchr (); |
|
/* memrchr. */ |
test_memrchr (); |
|
/* rindex - just like strrchr. */ |
test_rindex (); |
|
/* strpbrk - somewhat like strchr. */ |
test_strpbrk (); |
|
/* strstr - somewhat like strchr. */ |
test_strstr (); |
|
/* strspn. */ |
test_strspn (); |
|
/* strcspn. */ |
test_strcspn (); |
|
/* strtok - the hard one. */ |
test_strtok (); |
|
/* strtok_r. */ |
test_strtok_r (); |
|
/* strsep. */ |
test_strsep (); |
|
/* memcmp. */ |
test_memcmp (); |
|
/* memchr. */ |
test_memchr (); |
|
/* memcpy - need not work for overlap. */ |
test_memcpy (); |
|
/* memmove - must work on overlap. */ |
test_memmove (); |
|
/* mempcpy */ |
test_mempcpy (); |
|
/* memccpy. */ |
test_memccpy (); |
|
/* memset. */ |
test_memset (); |
|
/* bcopy. */ |
test_bcopy (); |
|
/* bzero. */ |
test_bzero (); |
|
/* bcmp - somewhat like memcmp. */ |
test_bcmp (); |
|
/* strndup. */ |
test_strndup (); |
|
/* strerror - VERY system-dependent. */ |
test_strerror (); |
|
|
if (errors == 0) |
{ |
status = EXIT_SUCCESS; |
puts("No errors."); |
} |
else |
{ |
status = EXIT_FAILURE; |
printf("%d errors.\n", errors); |
} |
|
return status; |
} |
/testcopy.c
0,0 → 1,108
/* Copyright (C) 1990, 1991, 1992 Free Software Foundation, Inc. |
Contributed by Torbjorn Granlund (tege@sics.se). |
|
This file is part of the GNU C Library. |
|
The GNU C Library is free software; you can redistribute it and/or |
modify it under the terms of the GNU Library General Public License as |
published by the Free Software Foundation; either version 2 of the |
License, or (at your option) any later version. |
|
The GNU C Library is distributed in the hope that it will be useful, |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
Library General Public License for more details. |
|
You should have received a copy of the GNU Library General Public |
License along with the GNU C Library; see the file COPYING.LIB. If |
not, write to the Free Software Foundation, Inc., 675 Mass Ave, |
Cambridge, MA 02139, USA. */ |
|
#include <stdlib.h> |
#include <stdio.h> |
#include <string.h> |
#include <malloc.h> |
|
int main(int argc, char **argv) |
{ |
char *mem, *memp; |
char *rand_mem; |
char *lo_around, *hi_around; |
int size, max_size; |
int src_off, dst_off; |
int i; |
int space_around = 10; |
|
max_size = 256; |
|
mem = malloc (max_size + 2 * max_size + 2 * space_around); |
rand_mem = malloc (max_size); |
lo_around = malloc (space_around); |
hi_around = malloc (space_around); |
memp = mem + space_around; |
|
/* Fill RAND_MEM with random bytes, each non-zero. */ |
for (i = 0; i < max_size; i++) |
{ |
int x; |
do |
x = rand (); |
while (x == 0); |
rand_mem[i] = x; |
} |
|
for (size = 0; size < max_size; size++) |
{ |
printf("phase %d\n", size); |
for (src_off = 0; src_off <= 16; src_off++) |
{ |
for (dst_off = 0; dst_off <= 16; dst_off++) |
{ |
/* Put zero around the intended destination, to check |
that it's not clobbered. */ |
for (i = 1; i < space_around; i++) |
{ |
memp[dst_off - i] = 0; |
memp[dst_off + size - 1 + i] = 0; |
} |
|
/* Fill the source area with known contents. */ |
for (i = 0; i < size; i++) |
memp[src_off + i] = rand_mem[i]; |
|
/* Remember the contents around the destination area. |
(It might not be what we wrote some lines above, since |
the src area and the dst area overlap.) */ |
for (i = 1; i < space_around; i++) |
{ |
lo_around[i] = memp[dst_off - i]; |
hi_around[i] = memp[dst_off + size - 1 + i]; |
} |
|
memmove (memp + dst_off, memp + src_off, size); |
|
/* Check that the destination area has the same |
contents we wrote to the source area. */ |
for (i = 0; i < size; i++) |
{ |
if (memp[dst_off + i] != rand_mem[i]) |
abort (); |
} |
|
/* Check that the area around the destination is not |
clobbered. */ |
for (i = 1; i < space_around; i++) |
{ |
if (memp[dst_off - i] != lo_around[i]) |
abort (); |
if (memp[dst_off + size - 1 + i] != hi_around[i]) |
abort (); |
} |
} |
} |
} |
|
puts ("Test succeeded."); |
|
return 0; |
} |
/Makefile
0,0 → 1,108
# Makefile for uClibc |
# |
# Copyright (C) 2000,2001 Erik Andersen <andersen@uclibc.org> |
# |
# This program is free software; you can redistribute it and/or modify it under |
# the terms of the GNU Library General Public License as published by the Free |
# Software Foundation; either version 2 of the License, or (at your option) any |
# later version. |
# |
# This program is distributed in the hope that it will be useful, but WITHOUT |
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
# FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more |
# details. |
# |
# You should have received a copy of the GNU Library General Public License |
# along with this program; if not, write to the Free Software Foundation, Inc., |
# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
|
TESTDIR=../ |
include $(TESTDIR)/Rules.mak |
|
|
TARGETS=string string_glibc |
TARGETS+=testcopy testcopy_glibc |
TARGETS+=#strerror #strsignal |
|
all: $(TARGETS) |
|
string: string.c Makefile $(TESTDIR)/Config $(TESTDIR)/Rules.mak |
-@ echo "-------" |
-@ echo " " |
-@ echo "Compiling vs uClibc: " |
-@ echo " " |
$(CC) $(CFLAGS) -c $< -o $@.o |
$(CC) $(LDFLAGS) $@.o -o $@ $(EXTRA_LIBS) |
$(STRIPTOOL) -x -R .note -R .comment $@ |
-./$@ |
-@ echo " " |
|
string_glibc: string.c Makefile |
-@ echo "-------" |
-@ echo " " |
-@ echo "Compiling vs GNU libc: " |
-@ echo " " |
$(HOSTCC) $(GLIBC_CFLAGS) -c $< -o $@.o |
$(HOSTCC) $(GLIBC_LDFLAGS) $@.o -o $@ |
$(STRIPTOOL) -x -R .note -R .comment $@ |
-./$@ |
-@ echo " " |
|
testcopy: testcopy.c Makefile $(TESTDIR)/Config $(TESTDIR)/Rules.mak |
-@ echo "-------" |
-@ echo " " |
-@ echo "Compiling vs uClibc: " |
-@ echo " " |
$(CC) $(CFLAGS) -c $< -o $@.o |
$(CC) $(LDFLAGS) $@.o -o $@ $(EXTRA_LIBS) |
$(STRIPTOOL) -x -R .note -R .comment $@ |
-./$@ > testcopy.out |
-@ echo " " |
|
testcopy_glibc: testcopy.c Makefile |
-@ echo "-------" |
-@ echo " " |
-@ echo "Compiling vs GNU libc: " |
-@ echo " " |
$(HOSTCC) $(GLIBC_CFLAGS) -c $< -o $@.o |
$(HOSTCC) $(GLIBC_LDFLAGS) $@.o -o $@ |
$(STRIPTOOL) -x -R .note -R .comment $@ |
-./$@ > testcopy.gnu.out |
-@ echo " " |
|
testcopy_diff: testcopy testcopy_glibc |
-@ echo "-------" |
-@ echo " " |
-@ echo "Diffing output: " |
-@ echo " " |
-diff -u testcopy.gnu.out testcopy.out |
-@ echo " " |
|
|
strerror: ../../libc/string/strerror.c $(TESTDIR)/Config $(TESTDIR)/Rules.mak |
-@ echo "-------" |
-@ echo " " |
-@ echo "Compiling vs uClibc: " |
-@ echo " " |
$(CC) $(CFLAGS) -DCHECK_BUF -c $< -o $@.o |
$(CC) $(LDFLAGS) $@.o -o $@ $(EXTRA_LIBS) |
$(STRIPTOOL) -x -R .note -R .comment $@ |
-./$@ |
-@ echo " " |
|
strsignal: ../../libc/string/strsignal.c |
-@ echo "-------" |
-@ echo " " |
-@ echo "Compiling vs uClibc: " |
-@ echo " " |
$(CC) $(CFLAGS) -DCHECK_BUF -c $< -o $@.o |
$(CC) $(LDFLAGS) $@.o -o $@ $(EXTRA_LIBS) |
$(STRIPTOOL) -x -R .note -R .comment $@ |
-./$@ |
-@ echo " " |
|
|
clean: |
$(RM) *.[oa] *~ core $(TARGETS) testcopy.gnu.out testcopy.out |
|
|
.
Property changes :
Added: svn:ignore
## -0,0 +1,9 ##
+string
+string.o
+string_glibc
+string_glibc.o
+testcopy.out
+testcopy.gnu.out
+testcopy
+testcopy_glibc
+strerror