openbsd/src
1
0
Fork 0
mirror of https://github.com/openbsd/src.git synced 2026-04-15 01:34:03 +00:00
Code Issues Projects Releases Wiki Activity

Handle empty regular expression in substitution, found by ossfuzz.

Browse Source
This commit is contained in:
nicm
2026-04-02 08:45:35 +00:00
parent 228dbe0fa0
commit dac62aa1e0
1 changed files with 3 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
usr.bin/tmux/regsub.c
View File

@@ -1,4 +1,4 @@
/* $OpenBSD: regsub.c,v 1.6 2023/06/30 21:55:09 nicm Exp $ */
/* $OpenBSD: regsub.c,v 1.7 2026/04/02 08:45:35 nicm Exp $ */
/*
* Copyright (c) 2019 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -68,6 +68,8 @@ regsub(const char *pattern, const char *with, const char *text, int flags)
if (*text == '\0')
return (xstrdup(""));
if (*pattern == '\0')
return (xstrdup(text));
if (regcomp(&r, pattern, flags) != 0)
return (NULL);