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authorMattias EngdegÄrd <mattiase@acm.org>2019-03-19 13:47:13 +0100
committerMattias EngdegÄrd <mattiase@acm.org>2019-03-30 11:54:10 +0100
commitf2c14b2f01da00afdfb6c9c3e0a73d53e6e3fa62 (patch)
tree4aeb7b5083190558189a34997b4431f59f18cc68
parent75ec1b1952633019f5afaf24dd87e7e4f7d31f9c (diff)
downloademacs-f2c14b2f01da00afdfb6c9c3e0a73d53e6e3fa62.tar.gz
Release regexp before signalling overflow error
* src/search.c (looking_at_1, search_buffer_re): Unfreeze the regexp buffer before signalling a matcher overflow, since the error processing may require quite some regexp use as well (Bug#34910).
-rw-r--r--src/search.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/search.c b/src/search.c
index 07ff0e47643..a450e920b03 100644
--- a/src/search.c
+++ b/src/search.c
@@ -319,7 +319,10 @@ looking_at_1 (Lisp_Object string, bool posix)
ZV_BYTE - BEGV_BYTE);
if (i == -2)
- matcher_overflow ();
+ {
+ unbind_to (count, Qnil);
+ matcher_overflow ();
+ }
val = (i >= 0 ? Qt : Qnil);
if (preserve_match_data && i >= 0)
@@ -1198,6 +1201,7 @@ search_buffer_re (Lisp_Object string, ptrdiff_t pos, ptrdiff_t pos_byte,
pos_byte - BEGV_BYTE);
if (val == -2)
{
+ unbind_to (count, Qnil);
matcher_overflow ();
}
if (val >= 0)
@@ -1243,6 +1247,7 @@ search_buffer_re (Lisp_Object string, ptrdiff_t pos, ptrdiff_t pos_byte,
lim_byte - BEGV_BYTE);
if (val == -2)
{
+ unbind_to (count, Qnil);
matcher_overflow ();
}
if (val >= 0)