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- #include <sys/types.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include "regex.h"
- #include "utils.h"
- #include "regex2.h"
- /*
- - regfree - free everything
- = API_EXPORT(void) regfree(regex_t *);
- */
- API_EXPORT(void)
- regfree(preg)
- regex_t *preg;
- {
- register 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);
- }
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