gcc/testsuite/gcc.dg/tree-ssa/pr79448-2.c

   1 /* PR middle-end/79448 - unhelpful -Wformat-truncation=2 warning
   2    Verify that there's no warning with optimization.
   3    { dg-do compile }
   4    { dg-options "-O2 -Wall -Wformat -Wformat-truncation=2" } */
   5
   6 typedef __SIZE_TYPE__ size_t;
   7
   8 extern int
   9 snprintf (char*, size_t, const char*, ...);
  10
  11 char*
  12 gettext (char*);
  13
  14 char*
  15 fill (char *buf, size_t len, int count)
  16 {
  17   if (snprintf (buf, len, "%s: %d", gettext ("count"), count) >= len)  /* { dg-bogus "directive output of 2 bytes causes result to exceed .INT_MAX." */
  18     return 0;
  19
  20   return buf;
  21 }