| 1 | #include <sys/types.h> |
| 2 | #include <stdio.h> |
| 3 | #include <stdlib.h> |
| 4 | #include "regex.h" |
| 5 | |
| 6 | #include "utils.h" |
| 7 | #include "regex2.h" |
| 8 | |
| 9 | /* |
| 10 | - regfree - free everything |
| 11 | = extern void regfree(regex_t *); |
| 12 | */ |
| 13 | void |
| 14 | regfree(preg) |
| 15 | regex_t *preg; |
| 16 | { |
| 17 | register struct re_guts *g; |
| 18 | |
| 19 | if (preg->re_magic != MAGIC1) /* oops */ |
| 20 | return; /* nice to complain, but hard */ |
| 21 | |
| 22 | g = preg->re_g; |
| 23 | if (g == NULL || g->magic != MAGIC2) /* oops again */ |
| 24 | return; |
| 25 | preg->re_magic = 0; /* mark it invalid */ |
| 26 | g->magic = 0; /* mark it invalid */ |
| 27 | |
| 28 | if (g->strip != NULL) |
| 29 | free((char *)g->strip); |
| 30 | if (g->sets != NULL) |
| 31 | free((char *)g->sets); |
| 32 | if (g->setbits != NULL) |
| 33 | free((char *)g->setbits); |
| 34 | if (g->must != NULL) |
| 35 | free(g->must); |
| 36 | free((char *)g); |
| 37 | } |