gcc/testsuite/gcc.dg/format/asm_fprintf-1.c

   1 /* Test for asm_fprintf formats.  */
   2 /* Origin: Kaveh Ghazi <ghazi@caip.rutgers.edu> */
   3 /* { dg-do compile } */
   4 /* { dg-options "-Wformat" } */
   5
   6 #include "format.h"
   7
   8 /* Magic identifier must be set before the attribute is used.  */
   9 typedef long long __gcc_host_wide_int__;
  10
  11 extern int asm_fprintf (const char *, ...) __attribute__ ((__format__ (__asm_fprintf__, 1, 2))) __attribute__ ((__nonnull__));
  12
  13 void
  14 foo (int i, int i1, int i2, unsigned int u, double d, char *s, void *p,
  15      int *n, short int *hn, long int l, unsigned long int ul,
  16      long int *ln, long double ld, wint_t lc, wchar_t *ls, llong ll,
  17      ullong ull, unsigned int *un, const int *cn, signed char *ss,
  18      unsigned char *us, const signed char *css, unsigned int u1,
  19      unsigned int u2)
  20 {
  21   /* Acceptable C90 specifiers, flags and modifiers.  */
  22   asm_fprintf ("%%");
  23   asm_fprintf ("%d%i%o%u%x%X%c%s%%", i, i, u, u, u, u, i, s);
  24   asm_fprintf ("%ld%li%lo%lu%lx%lX", l, l, ul, ul, ul, ul);
  25   asm_fprintf ("%lld%lli%llo%llu%llx%llX", ll, ll, ull, ull, ull, ull);
  26   asm_fprintf ("%-d%-i%-o%-u%-x%-X%-c%-s", i, i, u, u, u, u, i, s);
  27   asm_fprintf ("% d% i\n", i, i);
  28   asm_fprintf ("%#o%#x%#X", u, u, u);
  29   asm_fprintf ("%08d%08i%08o%08u%08x%08X", i, i, u, u, u, u);
  30   asm_fprintf ("%d\n", i);
  31   asm_fprintf ("%+d\n", i);
  32   asm_fprintf ("%3d\n", i);
  33   asm_fprintf ("%-3d\n", i);
  34   asm_fprintf ("%.7d\n", i);
  35   asm_fprintf ("%+9.4d\n", i);
  36   asm_fprintf ("%.3ld\n", l);
  37   asm_fprintf ("%d %lu\n", i, ul);
  38
  39   /* Extensions provided in asm_fprintf.  */
  40   asm_fprintf ("%O%R%I%L%U%@");
  41   asm_fprintf ("%r", i);
  42   asm_fprintf ("%wd%wi%wo%wu%wx%wX", ll, ll, ull, ull, ull, ull);
  43
  44   /* Standard specifiers not accepted in asm_fprintf.  */
  45   asm_fprintf ("%f\n", d); /* { dg-warning "format" "float" } */
  46   asm_fprintf ("%e\n", d); /* { dg-warning "format" "float" } */
  47   asm_fprintf ("%E\n", d); /* { dg-warning "format" "float" } */
  48   asm_fprintf ("%g\n", d); /* { dg-warning "format" "float" } */
  49   asm_fprintf ("%G\n", d); /* { dg-warning "format" "float" } */
  50   asm_fprintf ("%p\n", p); /* { dg-warning "format" "pointer" } */
  51   asm_fprintf ("%n\n", n); /* { dg-warning "format" "counter" } */
  52   asm_fprintf ("%hd\n", i); /* { dg-warning "format" "conversion" } */
  53
  54   /* Various tests of bad argument types.  */
  55   asm_fprintf ("%d", l); /* { dg-warning "format" "bad argument types" } */
  56   asm_fprintf ("%wd", l); /* { dg-warning "format" "bad argument types" } */
  57   asm_fprintf ("%d", ll); /* { dg-warning "format" "bad argument types" } */
  58   asm_fprintf ("%*d\n", i1, i); /* { dg-warning "format" "bad * argument types" } */
  59   asm_fprintf ("%.*d\n", i2, i); /* { dg-warning "format" "bad * argument types" } */
  60   asm_fprintf ("%*.*ld\n", i1, i2, l); /* { dg-warning "format" "bad * argument types" } */
  61   asm_fprintf ("%ld", i); /* { dg-warning "format" "bad argument types" } */
  62   asm_fprintf ("%s", n); /* { dg-warning "format" "bad argument types" } */
  63
  64   /* Wrong number of arguments.  */
  65   asm_fprintf ("%d%d", i); /* { dg-warning "arguments" "wrong number of args" } */
  66   asm_fprintf ("%d", i, i); /* { dg-warning "arguments" "wrong number of args" } */
  67   /* Miscellaneous bogus constructions.  */
  68   asm_fprintf (""); /* { dg-warning "zero-length" "warning for empty format" } */
  69   asm_fprintf ("\0"); /* { dg-warning "embedded" "warning for embedded NUL" } */
  70   asm_fprintf ("%d\0", i); /* { dg-warning "embedded" "warning for embedded NUL" } */
  71   asm_fprintf ("%d\0%d", i, i); /* { dg-warning "embedded|too many" "warning for embedded NUL" } */
  72   asm_fprintf (NULL); /* { dg-warning "null" "null format string warning" } */
  73   asm_fprintf ("%"); /* { dg-warning "trailing" "trailing % warning" } */
  74   asm_fprintf ("%++d", i); /* { dg-warning "repeated" "repeated flag warning" } */
  75   asm_fprintf ((const char *)L"foo"); /* { dg-warning "wide" "wide string" } */
  76   asm_fprintf ("%s", (char *)0); /* { dg-warning "null" "%s with NULL" } */
  77
  78   /* Make sure we still get warnings for regular printf.  */
  79   printf ("%d\n", ll); /* { dg-warning "format" "bad argument types" } */
  80 }