Viewing file:  pr47917.c (1017 B) -rw-r--r--
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/* PR middle-end/47917 */
/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-optimized" } */
extern int snprintf (char *, __SIZE_TYPE__, const char *, ...);
extern int memcmp (const void *, const void *, __SIZE_TYPE__);
extern void abort (void);
char buf1[6], buf2[6], buf3[4], buf4[4];
int i;
int
foo (void)
{
int ret = snprintf (buf1, sizeof buf1, "abcde");
ret += snprintf (buf2, sizeof buf2, "abcdef") * 16;
ret += snprintf (buf3, sizeof buf3, "%s", i++ < 6 ? "abc" : "def") * 256;
ret += snprintf (buf4, sizeof buf4, "%s", i++ > 10 ? "abcde" : "defgh") * 4096;
return ret;
}
int
main (void)
{
if (foo () != 5 + 6 * 16 + 3 * 256 + 5 * 4096)
abort ();
if (memcmp (buf1, "abcde", 6) != 0
|| memcmp (buf2, "abcde", 6) != 0
|| memcmp (buf3, "abc", 4) != 0
|| memcmp (buf4, "def", 4) != 0
|| i != 2)
abort ();
return 0;
}
/* { dg-final { scan-tree-dump-times "snprintf" 2 "optimized" } } */
/* { dg-final { scan-tree-dump-times "sprintf" 0 "optimized" } } */
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