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[wxWidgets.git] / src / regex / regfree.c
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1#include <sys/types.h>
2#include <stdio.h>
3#include <stdlib.h>
b6eefb73 4#include <regex.h>
07dcc217 5
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6#include "utils.h"
7#include "regex2.h"
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8
9/*
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10 - regfree - free everything
11 = extern void regfree(regex_t *);
07dcc217 12 */
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13void
14regfree(preg)
15regex_t *preg;
07dcc217 16{
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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 */
07dcc217 24 return;
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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);
07dcc217 37}