summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.c-torture/execute/builtins/lib/strrchr.c
blob: 9a45af3c8e57816735a62fb0044d6940dbbf1dd3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
extern void abort (void);
extern int inside_main;

__attribute__ ((__noinline__))
char *
strrchr (const char *s, int c)
{
  __SIZE_TYPE__ i;

#ifdef __OPTIMIZE__
  if (inside_main)
    abort ();
#endif

  i = 0;
  while (s[i] != 0)
    i++;

  do
    if (s[i] == c)
      return (char *) s + i;
  while (i-- != 0);

  return 0;
}

__attribute__ ((__noinline__))
char *
rindex (const char *s, int c)
{
  return strrchr (s, c);
}