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Diffstat (limited to 'posix/regcomp.c')
-rw-r--r--posix/regcomp.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/posix/regcomp.c b/posix/regcomp.c
index 497d1301df..9bb06aa7bf 100644
--- a/posix/regcomp.c
+++ b/posix/regcomp.c
@@ -653,6 +653,7 @@ re_comp (s)
const char *s;
{
reg_errcode_t ret;
+ char *fastmap;
if (!s)
{
@@ -661,7 +662,17 @@ re_comp (s)
return 0;
}
- if (!re_comp_buf.buffer)
+ if (re_comp_buf.buffer)
+ {
+ fastmap = re_comp_buf.fastmap;
+ re_comp_buf.fastmap = NULL;
+ __regfree (&re_comp_buf);
+ re_comp_buf.buffer = NULL;
+ re_comp_buf.allocated = 0;
+ re_comp_buf.fastmap = fastmap;
+ }
+
+ if (re_comp_buf.fastmap == NULL)
{
re_comp_buf.fastmap = (char *) malloc (SBC_MAX);
if (re_comp_buf.fastmap == NULL)
@@ -683,6 +694,16 @@ re_comp (s)
/* Yes, we're discarding `const' here if !HAVE_LIBINTL. */
return (char *) gettext (__re_error_msgid + __re_error_msgid_idx[(int) ret]);
}
+
+#ifdef _LIBC
+static void __attribute__ ((unused))
+free_mem (void)
+{
+ __regfree (&re_comp_buf);
+}
+text_set_element (__libc_subfreeres, free_mem);
+#endif
+
#endif /* _REGEX_RE_COMP */
/* Internal entry point.