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testsuite: Fix up pr98920.c on non-glibc or old glibc targets [PR98920]

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Not all OSes have regex.h and not all OSes that do have REG_STARTEND macro support.
Conditionalize the test on that.

2021-03-09  Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/98920
	* c-c++-common/asan/pr98920.c: Only include regex.h if the header
	exists.  If REG_STARTEND macro isn't defined, just return 0 from main
	instead of the actual test.
This commit is contained in:
Jakub Jelinek 2021-03-09 14:14:09 +01:00
parent 4b3d86a776
commit ea7fff4c43
1 changed files with 4 additions and 0 deletions

4
gcc/testsuite/c-c++-common/asan/pr98920.c

@ -3,10 +3,13 @@
#include <stdio.h>
#include <sys/types.h>
#if __has_include(<regex.h>)
#include <regex.h>
#endif
int main(void)
{
#ifdef REG_STARTEND
regex_t r;
const char s[] = "ban\0ana";
regmatch_t pmatch[10];
@ -20,5 +23,6 @@ int main(void)
return 3;
}
regfree(&r);
#endif
return 0;
}