diff options
author | Todd C. Miller <millert@cvs.openbsd.org> | 2020-12-28 21:41:56 +0000 |
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committer | Todd C. Miller <millert@cvs.openbsd.org> | 2020-12-28 21:41:56 +0000 |
commit | 49fa3e9f2bfe1fe8be61d48565877af690263ae1 (patch) | |
tree | 841ab9a4d2ba2f8d7daf905f7c77e12eb881d74f /lib/libc/regex | |
parent | 1b62530488e4386a26357e0c221a715d72ffd4df (diff) |
Fix an off-by-one error in the marking of the O_CH operator following
an OOR2 operator. Also includes a regress test for the issue.
From FreeBSD via miod@
Diffstat (limited to 'lib/libc/regex')
-rw-r--r-- | lib/libc/regex/engine.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/libc/regex/engine.c b/lib/libc/regex/engine.c index 9d3ca24a800..62da73f99fe 100644 --- a/lib/libc/regex/engine.c +++ b/lib/libc/regex/engine.c @@ -1,4 +1,4 @@ -/* $OpenBSD: engine.c,v 1.25 2018/07/11 12:38:46 martijn Exp $ */ +/* $OpenBSD: engine.c,v 1.26 2020/12/28 21:41:55 millert Exp $ */ /*- * Copyright (c) 1992, 1993, 1994 Henry Spencer. @@ -935,7 +935,7 @@ step(struct re_guts *g, OP(s = g->strip[pc+look]) != O_CH; look += OPND(s)) assert(OP(s) == OOR2); - FWD(aft, aft, look); + FWD(aft, aft, look + 1); } break; case OOR2: /* propagate OCH_'s marking */ |