glibc/posix/bug-regex32.c
Ulrich Drepper 8887a920a4 Fix unnecessary overallocation due to incomplete character
When incomplete characters are found at the end of a string the
code ran amok and allocated lots of memory.  Stricter limits
are now in place.
2011-05-28 17:14:30 -04:00

37 lines
735 B
C

// BZ 12811
#include <regex.h>
#include <stdio.h>
#include <locale.h>
static int
do_test (void)
{
char buf[1000];
regex_t preg;
if (setlocale (LC_CTYPE, "de_DE.UTF-8") == NULL)
{
puts ("setlocale failed");
return 1;
}
int e = regcomp (&preg, ".*ab", REG_ICASE);
if (e != 0)
{
regerror (e, &preg, buf, sizeof (buf));
printf ("regcomp = %d \"%s\"\n", e, buf);
return 1;
}
// Incomplete character at the end of the buffer
e = regexec (&preg, "aaaaaaaaaaaa\xc4", 0, NULL, 0);
regfree (&preg);
regerror (e, &preg, buf, sizeof (buf));
printf ("regexec = %d \"%s\"\n", e, buf);
return e != REG_NOMATCH;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"