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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [gcc/] [testsuite/] [gcc.dg/] [format/] [c99-printf-1.c] - Blame information for rev 20

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1 12 jlechner 
/* Test for printf formats.  Formats using C99 features, including cases
2 
   where C99 specifies some aspect of the format to be ignored or where
3 
   the behavior is undefined.
4 
*/
5 
/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
6 
/* { dg-do compile } */
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/* { dg-options "-std=iso9899:1999 -pedantic -Wformat" } */
8 
 
9 
#include "format.h"
10 
 
11 
void
12 
foo (int i, unsigned int u, double d, char *s, void *p, int *n,
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     long double ld, wint_t lc, wchar_t *ls, long long int ll,
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     unsigned long long int ull, signed char *ss, unsigned char *us,
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     long long int *lln, intmax_t j, uintmax_t uj, intmax_t *jn,
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     size_t z, signed_size_t sz, signed_size_t *zn,
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     ptrdiff_t t, ptrdiff_t *tn)
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{
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  /* See ISO/IEC 9899:1999 (E) subclause 7.19.6.1 (pages 273-281).
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     We do not repeat here most of the checks for correct C90 formats
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     or completely broken formats.
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  */
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  /* Valid and invalid %h, %hh, %l, %ll, %j, %z, %t, %L constructions.  */
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  printf ("%hf", d); /* { dg-warning "length" "bad use of %h" } */
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  printf ("%hF", d); /* { dg-warning "length" "bad use of %h" } */
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  printf ("%he", d); /* { dg-warning "length" "bad use of %h" } */
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  printf ("%hE", d); /* { dg-warning "length" "bad use of %h" } */
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  printf ("%hg", d); /* { dg-warning "length" "bad use of %h" } */
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  printf ("%hG", d); /* { dg-warning "length" "bad use of %h" } */
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  printf ("%ha", d); /* { dg-warning "length" "bad use of %h" } */
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  printf ("%hA", d); /* { dg-warning "length" "bad use of %h" } */
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  printf ("%hc", i); /* { dg-warning "length" "bad use of %h" } */
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  printf ("%hs", s); /* { dg-warning "length" "bad use of %h" } */
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  printf ("%hp", p); /* { dg-warning "length" "bad use of %h" } */
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  printf ("%hhd%hhi%hho%hhu%hhx%hhX", i, i, u, u, u, u);
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  printf ("%hhn", ss);
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  printf ("%hhf", d); /* { dg-warning "length" "bad use of %hh" } */
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  printf ("%hhF", d); /* { dg-warning "length" "bad use of %hh" } */
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  printf ("%hhe", d); /* { dg-warning "length" "bad use of %hh" } */
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  printf ("%hhE", d); /* { dg-warning "length" "bad use of %hh" } */
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  printf ("%hhg", d); /* { dg-warning "length" "bad use of %hh" } */
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  printf ("%hhG", d); /* { dg-warning "length" "bad use of %hh" } */
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  printf ("%hha", d); /* { dg-warning "length" "bad use of %hh" } */
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  printf ("%hhA", d); /* { dg-warning "length" "bad use of %hh" } */
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  printf ("%hhc", i); /* { dg-warning "length" "bad use of %hh" } */
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  printf ("%hhs", s); /* { dg-warning "length" "bad use of %hh" } */
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  printf ("%hhp", p); /* { dg-warning "length" "bad use of %hh" } */
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  printf ("%lc", lc);
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  printf ("%ls", ls);
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  printf ("%lf%lF%le%lE%lg%lG%la%lA", d, d, d, d, d, d, d, d);
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  printf ("%lp", p); /* { dg-warning "length|C" "bad use of %l" } */
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  printf ("%lld%lli%llo%llu%llx%llX", ll, ll, ull, ull, ull, ull);
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  printf ("%lln", lln);
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  printf ("%llf", d); /* { dg-warning "length" "bad use of %ll" } */
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  printf ("%llF", d); /* { dg-warning "length" "bad use of %ll" } */
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  printf ("%lle", d); /* { dg-warning "length" "bad use of %ll" } */
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  printf ("%llE", d); /* { dg-warning "length" "bad use of %ll" } */
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  printf ("%llg", d); /* { dg-warning "length" "bad use of %ll" } */
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  printf ("%llG", d); /* { dg-warning "length" "bad use of %ll" } */
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  printf ("%lla", d); /* { dg-warning "length" "bad use of %ll" } */
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  printf ("%llA", d); /* { dg-warning "length" "bad use of %ll" } */
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  printf ("%llc", i); /* { dg-warning "length" "bad use of %ll" } */
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  printf ("%lls", s); /* { dg-warning "length" "bad use of %ll" } */
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  printf ("%llp", p); /* { dg-warning "length" "bad use of %ll" } */
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  printf ("%jd%ji%jo%ju%jx%jX", j, j, uj, uj, uj, uj); /* { dg-bogus "length" "bogus %j warning" { target *-*-* } } */
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  printf ("%jn", jn); /* { dg-bogus "length" "bogus %j warning" { target *-*-* } } */
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  printf ("%jf", d); /* { dg-warning "length" "bad use of %j" } */
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  printf ("%jF", d); /* { dg-warning "length" "bad use of %j" } */
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  printf ("%je", d); /* { dg-warning "length" "bad use of %j" } */
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  printf ("%jE", d); /* { dg-warning "length" "bad use of %j" } */
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  printf ("%jg", d); /* { dg-warning "length" "bad use of %j" } */
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  printf ("%jG", d); /* { dg-warning "length" "bad use of %j" } */
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  printf ("%ja", d); /* { dg-warning "length" "bad use of %j" } */
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  printf ("%jA", d); /* { dg-warning "length" "bad use of %j" } */
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  printf ("%jc", i); /* { dg-warning "length" "bad use of %j" } */
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  printf ("%js", s); /* { dg-warning "length" "bad use of %j" } */
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  printf ("%jp", p); /* { dg-warning "length" "bad use of %j" } */
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  printf ("%zd%zi%zo%zu%zx%zX", sz, sz, 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 ("%td%ti%to%tu%tx%tX", t, t, t, t, t, t);
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  printf ("%tn", tn);
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  printf ("%tf", d); /* { dg-warning "length" "bad use of %t" } */
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  printf ("%tF", d); /* { dg-warning "length" "bad use of %t" } */
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  printf ("%te", d); /* { dg-warning "length" "bad use of %t" } */
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  printf ("%tE", d); /* { dg-warning "length" "bad use of %t" } */
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  printf ("%tg", d); /* { dg-warning "length" "bad use of %t" } */
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  printf ("%tG", d); /* { dg-warning "length" "bad use of %t" } */
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  printf ("%ta", d); /* { dg-warning "length" "bad use of %t" } */
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  printf ("%tA", d); /* { dg-warning "length" "bad use of %t" } */
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  printf ("%tc", i); /* { dg-warning "length" "bad use of %t" } */
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  printf ("%ts", s); /* { dg-warning "length" "bad use of %t" } */
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  printf ("%tp", p); /* { dg-warning "length" "bad use of %t" } */
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  printf ("%Le%LE%Lf%LF%Lg%LG%La%LA", ld, ld, ld, ld, ld, ld, ld, ld);
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  /* These next six are accepted by GCC as referring to long long,
106 
     but -pedantic correctly warns.
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  */
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  printf ("%Ld", ll); /* { dg-warning "does not support" "bad use of %L" } */
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  printf ("%Li", ll); /* { dg-warning "does not support" "bad use of %L" } */
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  printf ("%Lo", ull); /* { dg-warning "does not support" "bad use of %L" } */
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  printf ("%Lu", ull); /* { dg-warning "does not support" "bad use of %L" } */
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  printf ("%Lx", ull); /* { dg-warning "does not support" "bad use of %L" } */
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  printf ("%LX", ull); /* { dg-warning "does not support" "bad use of %L" } */
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  printf ("%Lc", i); /* { dg-warning "length" "bad use of %L" } */
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  printf ("%Ls", s); /* { dg-warning "length" "bad use of %L" } */
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  printf ("%Lp", p); /* { dg-warning "length" "bad use of %L" } */
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  printf ("%Ln", n); /* { dg-warning "length" "bad use of %L" } */
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  /* Valid uses of each bare conversion.  */
119 
  printf ("%d%i%o%u%x%X%f%F%e%E%g%G%a%A%c%s%p%n%%", i, i, u, u, u, u,
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          d, d, d, d, d, d, d, d, i, s, p, n);
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  /* Uses of the - flag (valid on all non-%, non-n conversions).  */
122 
  printf ("%-d%-i%-o%-u%-x%-X%-f%-F%-e%-E%-g%-G%-a%-A%-c%-s%-p", i, i,
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          u, u, u, u, d, d, d, d, d, d, d, d, i, s, p);
124 
  printf ("%-n", n); /* { dg-warning "flag" "bad use of %-n" } */
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  /* Uses of the + flag (valid on signed conversions only).  */
126 
  printf ("%+d%+i%+f%+F%+e%+E%+g%+G%+a%+A\n", i, i, d, d, d, d, d, d, d, d);
127 
  printf ("%+o", u); /* { dg-warning "flag" "bad use of + flag" } */
128 
  printf ("%+u", u); /* { dg-warning "flag" "bad use of + flag" } */
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  printf ("%+x", u); /* { dg-warning "flag" "bad use of + flag" } */
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  printf ("%+X", u); /* { dg-warning "flag" "bad use of + flag" } */
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  printf ("%+c", i); /* { dg-warning "flag" "bad use of + flag" } */
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  printf ("%+s", s); /* { dg-warning "flag" "bad use of + flag" } */
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  printf ("%+p", p); /* { dg-warning "flag" "bad use of + flag" } */
134 
  printf ("%+n", n); /* { dg-warning "flag" "bad use of + flag" } */
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  /* Uses of the space flag (valid on signed conversions only, and ignored
136 
     with +).
137 
  */
138 
  printf ("% +d", i); /* { dg-warning "use of both|ignored" "use of space and + flags" } */
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  printf ("%+ d", i); /* { dg-warning "use of both|ignored" "use of space and + flags" } */
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  printf ("% d% i% f% F% e% E% g% G% a% A\n", i, i, d, d, d, d, d, d, d, d);
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  printf ("% o", u); /* { dg-warning "flag" "bad use of space flag" } */
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  printf ("% u", u); /* { dg-warning "flag" "bad use of space flag" } */
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  printf ("% x", u); /* { dg-warning "flag" "bad use of space flag" } */
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  printf ("% X", u); /* { dg-warning "flag" "bad use of space flag" } */
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  printf ("% c", i); /* { dg-warning "flag" "bad use of space flag" } */
146 
  printf ("% s", s); /* { dg-warning "flag" "bad use of space flag" } */
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  printf ("% p", p); /* { dg-warning "flag" "bad use of space flag" } */
148 
  printf ("% n", n); /* { dg-warning "flag" "bad use of space flag" } */
149 
  /* Uses of the # flag.  */
150 
  printf ("%#o%#x%#X%#e%#E%#f%#F%#g%#G%#a%#A", u, u, u, d, d, d, d,
151 
          d, d, d, d);
152 
  printf ("%#d", i); /* { dg-warning "flag" "bad use of # flag" } */
153 
  printf ("%#i", i); /* { dg-warning "flag" "bad use of # flag" } */
154 
  printf ("%#u", u); /* { dg-warning "flag" "bad use of # flag" } */
155 
  printf ("%#c", i); /* { dg-warning "flag" "bad use of # flag" } */
156 
  printf ("%#s", s); /* { dg-warning "flag" "bad use of # flag" } */
157 
  printf ("%#p", p); /* { dg-warning "flag" "bad use of # flag" } */
158 
  printf ("%#n", n); /* { dg-warning "flag" "bad use of # flag" } */
159 
  /* Uses of the 0 flag.  */
160 
  printf ("%08d%08i%08o%08u%08x%08X%08e%08E%08f%08F%08g%08G%08a%08A", i, i,
161 
          u, u, u, u, d, d, d, d, d, d, d, d);
162 
  printf ("%0c", i); /* { dg-warning "flag" "bad use of 0 flag" } */
163 
  printf ("%0s", s); /* { dg-warning "flag" "bad use of 0 flag" } */
164 
  printf ("%0p", p); /* { dg-warning "flag" "bad use of 0 flag" } */
165 
  printf ("%0n", n); /* { dg-warning "flag" "bad use of 0 flag" } */
166 
  /* 0 flag ignored with precision for certain types, not others.  */
167 
  printf ("%08.5d", i); /* { dg-warning "ignored" "0 flag ignored with precision" } */
168 
  printf ("%08.5i", i); /* { dg-warning "ignored" "0 flag ignored with precision" } */
169 
  printf ("%08.5o", u); /* { dg-warning "ignored" "0 flag ignored with precision" } */
170 
  printf ("%08.5u", u); /* { dg-warning "ignored" "0 flag ignored with precision" } */
171 
  printf ("%08.5x", u); /* { dg-warning "ignored" "0 flag ignored with precision" } */
172 
  printf ("%08.5X", u); /* { dg-warning "ignored" "0 flag ignored with precision" } */
173 
  printf ("%08.5f%08.5F%08.5e%08.5E%08.5g%08.5G%08.5a%08.5A",
174 
          d, d, d, d, d, d, d, d);
175 
  /* 0 flag ignored with - flag.  */
176 
  printf ("%-08d", i); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
177 
  printf ("%-08i", i); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
178 
  printf ("%-08o", u); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
179 
  printf ("%-08u", u); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
180 
  printf ("%-08x", u); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
181 
  printf ("%-08X", u); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
182 
  printf ("%-08e", d); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
183 
  printf ("%-08E", d); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
184 
  printf ("%-08f", d); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
185 
  printf ("%-08F", d); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
186 
  printf ("%-08g", d); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
187 
  printf ("%-08G", d); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
188 
  printf ("%-08a", d); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
189 
  printf ("%-08A", d); /* { dg-warning "flags|ignored" "0 flag ignored with - flag" } */
190 
  /* Various tests of bad argument types.  Mostly covered in c90-printf-1.c;
191 
     here just test for pointer target sign with %hhn.  (Probably allowed
192 
     by the standard, but a bad idea, so GCC should diagnose if what
193 
     is used is not signed char *.)
194 
  */
195 
  printf ("%hhn", s); /* { dg-warning "format" "%hhn plain char" } */
196 
  printf ("%hhn", us); /* { dg-warning "format" "%hhn unsigned char" } */
197 
}

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