From bccd37ef968dc07c2e3435123deba3e541662e0c Mon Sep 17 00:00:00 2001
From: Frederic Culot <calcurse@culot.org>
Date: Sun, 26 Jul 2009 20:26:14 +0000
Subject: --status flag added

---
 src/io.c | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

(limited to 'src/io.c')

diff --git a/src/io.c b/src/io.c
index 3cd765d..ed4266f 100755
--- a/src/io.c
+++ b/src/io.c
@@ -1,4 +1,4 @@
-/*	$calcurse: io.c,v 1.73 2009/07/26 12:47:15 culot Exp $	*/
+/*	$calcurse: io.c,v 1.74 2009/07/26 20:26:15 culot Exp $	*/
 
 /*
  * Calcurse - text-based organizer
@@ -2976,3 +2976,28 @@ io_dump_pid (char *file)
   
   return 1;
 }
+
+/*
+ * Return the pid number contained in a file previously created with
+ * io_dump_pid ().
+ * If no file was found, return 0.
+ */
+unsigned
+io_get_pid (char *file)
+{
+  FILE *fp;
+  unsigned pid;
+
+  if (!file)
+    return 0;
+
+  if ((fp = fopen (file, "r")) == 0)
+    return 0;
+
+  if (fscanf (fp, "%u", &pid) != 1)
+    return 0;
+
+  (void)fclose (fp);
+
+  return pid;
+}
-- 
cgit v1.2.3-54-g00ecf