opkg: re-arrange source code into sub-directories

git-svn-id: http://opkg.googlecode.com/svn/trunk@33 e8e0d7a0-c8d9-11dd-a880-a1081c7ac358

1 files changed, 34 insertions, 0 deletions

diff --git a/libopkg/xsystem.h b/libopkg/xsystem.h
new file mode 100644
index 0000000..cc1ca2a
--- /dev/null
+++ b/libopkg/xsystem.h
@@ -0,0 +1,34 @@
+/* xsystem.h - system(3) with error messages
+
+   Carl D. Worth
+
+   Copyright (C) 2001 University of Southern California
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   This program is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+*/
+
+#ifndef XSYSTEM_H
+#define XSYSTEM_H
+
+#include <stdlib.h>
+
+/* Like system(3), but with error messages printed if the fork fails
+   or if the child process dies due to an uncaught signal. Also, the
+   return value is a bit simpler:
+
+   -1 if there was any problem
+   Otherwise, the 8-bit return value of the program ala WEXITSTATUS
+   as defined in <sys/wait.h>.
+*/
+int xsystem(const char *cmd);
+
+#endif
+