cups/vcnet/regex/regfree.c

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2023-10-26 10:30:40 +08:00
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include "regex.h"
#include "regex2.h"
/*
- regfree - free everything
*/
void
regfree(preg)
regex_t *preg;
{
struct re_guts *g;
if (preg->re_magic != MAGIC1) /* oops */
return; /* nice to complain, but hard */
g = preg->re_g;
if (g == NULL || g->magic != MAGIC2) /* oops again */
return;
preg->re_magic = 0; /* mark it invalid */
g->magic = 0; /* mark it invalid */
if (g->strip != NULL)
free((char *)g->strip);
if (g->sets != NULL)
free((char *)g->sets);
if (g->setbits != NULL)
free((char *)g->setbits);
if (g->must != NULL)
free(g->must);
free((char *)g);
}