From 9a8ea7ff91486b53511d49a1b1bb44d48a549018 Mon Sep 17 00:00:00 2001
From: Lukas Fleischer <calcurse@cryptocrack.de>
Date: Sat, 18 Feb 2012 14:59:15 +0100
Subject: src/io.c: Use fork_exec() instead of system()

Speeds up execution, prevents failures when pager or log file contains
spaces, fixes a warning seen with "-Wunused-result".

Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
---
 src/io.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/io.c b/src/io.c
index 1aa431b..6c981d4 100644
--- a/src/io.c
+++ b/src/io.c
@@ -1230,10 +1230,11 @@ io_log_display (struct io_file *log, char *msg, char *pager)
       ans = fgetc (stdin);
       if (ans == 'y')
         {
-          char cmd[BUFSIZ];
+          char *arg[] = { pager, log->name, NULL };
+          int pid;
 
-          snprintf (cmd, BUFSIZ, "%s %s", pager, log->name);
-          system (cmd);
+          if ((pid = fork_exec (NULL, NULL, pager, arg)))
+            child_wait (NULL, NULL, pid);
         }
     }
   else
-- 
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