From 8cedabaee09937809802e1791cbc6caffdbd3024 Mon Sep 17 00:00:00 2001
From: Rob Landley
Date: Mon, 4 Sep 2006 18:59:39 +0000
Subject: Patch from Natanael Copa to make start-stop-daemon just use readlink
 and strcmp to check if a program is already running.

---
 debianutils/start_stop_daemon.c | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

(limited to 'debianutils')

diff --git a/debianutils/start_stop_daemon.c b/debianutils/start_stop_daemon.c
index 9c9b5fe..e0c8f2d 100644
--- a/debianutils/start_stop_daemon.c
+++ b/debianutils/start_stop_daemon.c
@@ -39,16 +39,17 @@ static inline void push(pid_t pid)
 
 static int pid_is_exec(pid_t pid, const char *name)
 {
-	char buf[32];
-	struct stat sb, exec_stat;
-
-	if (name)
-		xstat(name, &exec_stat);
+	char buf[32], *execbuf;
+	int equal;
 
 	sprintf(buf, "/proc/%d/exe", pid);
-	if (stat(buf, &sb) != 0)
-		return 0;
-	return (sb.st_dev == exec_stat.st_dev && sb.st_ino == exec_stat.st_ino);
+	execbuf = xstrdup(name);
+	readlink(buf, execbuf, strlen(name)+1);
+	
+	equal = ! strcmp(execbuf, name);
+	if (ENABLE_FEATURE_CLEAN_UP)
+		free(execbuf);
+	return equal;
 }
 
 static int pid_is_user(int pid, int uid)
-- 
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