From: Wade Berrier <wade_berrier@appsig.com>
Date: Wed, 8 Jun 2011 21:46:55 +0000 (-0600)
Subject: pkill/pgrep: support extended regular expressions
X-Git-Tag: 1_19_0~67
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=000ae5cefe204aec44e7997440c4ea7eca5d4893;p=oweals%2Fbusybox.git

pkill/pgrep: support extended regular expressions

Done by enabling the REG_EXTENDED and REG_NOSUB regex flags,
which also increases compatibility with the procps versions.

Signed-off-by: Wade Berrier <wade_berrier@appsig.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---

diff --git a/procps/pgrep.c b/procps/pgrep.c
index 156b4ad69..dc7ffff48 100644
--- a/procps/pgrep.c
+++ b/procps/pgrep.c
@@ -128,7 +128,7 @@ int pgrep_main(int argc UNUSED_PARAM, char **argv)
 		bb_show_usage();
 
 	if (argv[0])
-		xregcomp(&re_buffer, argv[0], 0);
+		xregcomp(&re_buffer, argv[0], REG_EXTENDED | REG_NOSUB);
 
 	matched_pid = 0;
 	cmd_last = NULL;