From cfbe9c2ede24dac530ef58e5c35bd57f22a788a3 Mon Sep 17 00:00:00 2001
From: William Hubbs <w.d.hubbs@gmail.com>
Date: Wed, 23 Aug 2017 14:16:49 -0500
Subject: move get_pid function to a shared file

---
 src/rc/rc-misc.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'src/rc/rc-misc.c')

diff --git a/src/rc/rc-misc.c b/src/rc/rc-misc.c
index a6cc788e..d43f1274 100644
--- a/src/rc/rc-misc.c
+++ b/src/rc/rc-misc.c
@@ -474,3 +474,27 @@ time_t to_time_t(char *timestring)
 	}
 	return result;
 }
+
+pid_t get_pid(const char *applet,const char *pidfile)
+{
+	FILE *fp;
+	pid_t pid;
+
+	if (! pidfile)
+		return -1;
+
+	if ((fp = fopen(pidfile, "r")) == NULL) {
+		ewarnv("%s: fopen `%s': %s", applet, pidfile, strerror(errno));
+		return -1;
+	}
+
+	if (fscanf(fp, "%d", &pid) != 1) {
+		ewarnv("%s: no pid found in `%s'", applet, pidfile);
+		fclose(fp);
+		return -1;
+	}
+
+	fclose(fp);
+
+	return pid;
+}
-- 
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