From 000ae5cefe204aec44e7997440c4ea7eca5d4893 Mon Sep 17 00:00:00 2001
From: Wade Berrier <wade_berrier@appsig.com>
Date: Wed, 8 Jun 2011 15:46:55 -0600
Subject: 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>
---
 procps/pgrep.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'procps')

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;
-- 
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