gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-29.c

   1 /* PR middle-end/100732 - ICE on sprintf %s with integer argument
   2    { dg-do compile }
   3    { dg-options "-fpermissive -O2 -Wall -fdump-tree-optimized" } */
   4
   5 #define sprintf(d, f, ...) \
   6   __builtin___sprintf_chk (d, 0, 32, f, __VA_ARGS__)
   7
   8
   9 void fi (int i, const char *s)
  10 {
  11   sprintf (i, "%s", s);       // { dg-warning "\\\[-Wint-conversion" }
  12 }
  13
  14 void gb (char *d, _Bool b)
  15 {
  16   sprintf (d, "%s", b);       // { dg-warning "\\\[-Wformat" }
  17 }
  18
  19 void gi (char *d, int i)
  20 {
  21   sprintf (d, "%s", i);       // { dg-warning "\\\[-Wformat" }
  22 }
  23
  24 void gd (char *d, double x)
  25 {
  26   sprintf (d, "%s", x);       // { dg-warning "\\\[-Wformat" }
  27 }
  28
  29
  30 struct X { int i; };
  31
  32 void gx (char *d, struct X x)
  33 {
  34   sprintf (d, "%s", x);       // { dg-warning "\\\[-Wformat" }
  35 }
  36
  37
  38 /* Also verify that the invalid sprintf call isn't folded to strcpy.
  39    { dg-final { scan-tree-dump-times "sprintf_chk" 5 "optimized" } }
  40    { dg-final { scan-tree-dump-not "strcpy" "optimized" } } */