Initial revision

[wxWidgets.git] / src / regex / regfree.c

diff --git a/src/regex/regfree.c b/src/regex/regfree.c
new file mode 100644 (file)
index 0000000..9a6acf1
--- /dev/null
+++ b/src/regex/regfree.c
@@ -0,0 +1,37 @@
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <regex.h>
+
+#include "utils.h"
+#include "regex2.h"
+
+/*
+ - regfree - free everything
+ = extern void regfree(regex_t *);
+ */
+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);
+}