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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [format/] [ext-1.c] - Blame information for rev 856

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Line No. Rev Author Line
1 149 jeremybenn 
/* Test for format extensions beyond the C standard and X/Open standard.
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   Test for printf formats.
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*/
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/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
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/* { dg-do compile } */
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/* { dg-options "-std=gnu99 -Wformat" } */
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#include "format.h"
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void
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foo (quad_t q, u_quad_t uq, quad_t *qn, size_t z, size_t *zn, long long int ll,
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     unsigned long long int ull, int i, unsigned int u, double d,
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     char *s, void *p, wchar_t *ls, wint_t lc, int *n, long int l)
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{
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  /* As an extension, GCC allows the BSD length "q" for integer formats.
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     This is largely obsoleted in C99 by %j, %ll and PRId64.
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  */
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  printf ("%qd%qi%qo%qu%qx%qX%qn", q, q, uq, uq, uq, uq, qn);
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  printf ("%qf", d); /* { dg-warning "length" "bad use of %q" } */
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  printf ("%qF", d); /* { dg-warning "length" "bad use of %q" } */
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  printf ("%qe", d); /* { dg-warning "length" "bad use of %q" } */
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  printf ("%qE", d); /* { dg-warning "length" "bad use of %q" } */
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  printf ("%qg", d); /* { dg-warning "length" "bad use of %q" } */
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  printf ("%qG", d); /* { dg-warning "length" "bad use of %q" } */
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  printf ("%qa", d); /* { dg-warning "length" "bad use of %q" } */
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  printf ("%qA", d); /* { dg-warning "length" "bad use of %q" } */
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  printf ("%qc", i); /* { dg-warning "length" "bad use of %q" } */
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  printf ("%qs", s); /* { dg-warning "length" "bad use of %q" } */
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  printf ("%qp", p); /* { dg-warning "length" "bad use of %q" } */
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  printf ("%qC", lc); /* { dg-warning "length" "bad use of %q" } */
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  printf ("%qS", ls); /* { dg-warning "length" "bad use of %q" } */
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  /* With a bad length GCC wants some argument, any argument,
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     to devour with the format conversion, as a synchronisation heuristic.
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     This may get improved later.
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  */
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  printf ("%qm", i); /* { dg-warning "length" "bad use of %q" } */
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  /* As an extension, GCC allows the length "Z" as a synonym for "z".
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     This was an extension predating C99 which should now be considered
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     deprecated; use the standard "z" instead.
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  */
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  printf ("%Zd%Zi%Zo%Zu%Zx%ZX", z, z, z, z, z, z);
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  printf ("%Zn", zn);
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  printf ("%Zf", d); /* { dg-warning "length" "bad use of %Z" } */
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  printf ("%ZF", d); /* { dg-warning "length" "bad use of %Z" } */
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  printf ("%Ze", d); /* { dg-warning "length" "bad use of %Z" } */
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  printf ("%ZE", d); /* { dg-warning "length" "bad use of %Z" } */
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  printf ("%Zg", d); /* { dg-warning "length" "bad use of %Z" } */
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  printf ("%ZG", d); /* { dg-warning "length" "bad use of %Z" } */
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  printf ("%Za", d); /* { dg-warning "length" "bad use of %Z" } */
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  printf ("%ZA", d); /* { dg-warning "length" "bad use of %Z" } */
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  printf ("%Zc", i); /* { dg-warning "length" "bad use of %Z" } */
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  printf ("%Zs", s); /* { dg-warning "length" "bad use of %Z" } */
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  printf ("%Zp", p); /* { dg-warning "length" "bad use of %Z" } */
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  printf ("%ZC", lc); /* { dg-warning "length" "bad use of %Z" } */
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  printf ("%ZS", ls); /* { dg-warning "length" "bad use of %Z" } */
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  printf ("%Zm", i); /* { dg-warning "length" "bad use of %Z" } */
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  /* As an extension, GCC allows the length "L" on integer formats
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     (but not %n) as a synonym for "ll".
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     This should be considered deprecated.
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  */
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  printf ("%Ld%Li%Lo%Lu%Lx%LX", ll, ll, ull, ull, ull, ull);
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  /* As an extension, derived from syslog, GCC allows the conversion
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     specifier "m" for formatting strerror(errno).  This may be used
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     with width, precision and the "-" flag, the same as %s.
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  */
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  printf ("%m%3m%.4m%5.6m");
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  printf ("%*m", i);
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  printf ("%.*m", i);
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  printf ("%*.*m", i, i);
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  printf ("%3.*m", i);
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  printf ("%*.4m", i);
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  printf ("%-m");
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  printf ("%+m"); /* { dg-warning "flag" "bad %+m" } */
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  printf ("% m"); /* { dg-warning "flag" "bad % m" } */
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  printf ("%#m"); /* { dg-warning "flag" "bad %#m" } */
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  printf ("%0m"); /* { dg-warning "flag" "bad %0m" } */
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  printf ("%'m"); /* { dg-warning "flag" "bad %'m" } */
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  printf ("%hm", i); /* { dg-warning "length" "bad %hm" } */
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  printf ("%hhm", i); /* { dg-warning "length" "bad %hhm" } */
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  printf ("%lm", i); /* { dg-warning "length" "bad %lm" } */
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  printf ("%llm", i); /* { dg-warning "length" "bad %llm" } */
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  printf ("%jm", i); /* { dg-warning "length" "bad %jm" } */
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  printf ("%zm", i); /* { dg-warning "length" "bad %zm" } */
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  printf ("%tm", i); /* { dg-warning "length" "bad %tm" } */
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  printf ("%Lm", i); /* { dg-warning "length" "bad %Lm" } */
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  printf ("%qm", i); /* { dg-warning "length" "bad %qm" } */
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  printf ("%Zm", i); /* { dg-warning "length" "bad %Zm" } */
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  /* It should be OK to mix %m formats with $ operand number formats.  */
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  printf ("%2$ld%m%1$d", i, l);
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  /* Likewise, %m formats with width and precision should not have an
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     operand number for the %m itself.
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  */
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  printf ("%*2$.*1$m", i, i);
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  printf ("%1$*2$.*1$m", i, i); /* { dg-warning "no argument" "printf %1\$m" } */
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  /* As an extension, glibc includes the "I" flag for decimal
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     formats, to output using the locale's digits (e.g. in Arabic).
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     In GCC, we require this to be in the standard place for flags, though
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     glibc allows it also after width or precision.
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  */
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  printf ("%Id%Ii%Iu", i, i, u);
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  printf ("%Io", u); /* { dg-warning "flag" "bad use of I flag" } */
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  printf ("%Ix", u); /* { dg-warning "flag" "bad use of I flag" } */
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  printf ("%IX", u); /* { dg-warning "flag" "bad use of I flag" } */
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  printf ("%In", n); /* { dg-warning "flag" "bad use of I flag" } */
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  printf ("%If", d);
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  printf ("%IF", d);
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  printf ("%Ie", d);
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  printf ("%IE", d);
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  printf ("%Ig", d);
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  printf ("%IG", d);
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  printf ("%Ia", d); /* { dg-warning "flag" "bad use of I flag" } */
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  printf ("%IA", d); /* { dg-warning "flag" "bad use of I flag" } */
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  printf ("%Ic", i); /* { dg-warning "flag" "bad use of I flag" } */
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  printf ("%Is", s); /* { dg-warning "flag" "bad use of I flag" } */
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  printf ("%Ip", p); /* { dg-warning "flag" "bad use of I flag" } */
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  printf ("%IC", lc); /* { dg-warning "flag" "bad use of I flag" } */
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  printf ("%IS", ls); /* { dg-warning "flag" "bad use of I flag" } */
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  printf ("%Im"); /* { dg-warning "flag" "bad use of I flag" } */
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  /* As an extension, GCC does format checking on "unlocked"
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     i.e. thread unsafe versions of these functions.  */
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  fprintf_unlocked (stdout, "%d", i);
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  fprintf_unlocked (stdout, "%ld", i); /* { dg-warning "format" "fprintf_unlocked" } */
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  printf_unlocked ("%d", i);
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  printf_unlocked ("%ld", i); /* { dg-warning "format" "printf_unlocked" } */
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}

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