/*
- * vim:ts=8:expandtab
+ * vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
+ * © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
*
- * © 2009 Michael Stapelberg and contributors
- *
- * See file LICENSE for license information.
+ * util.c: Utility functions, which can be useful everywhere within i3 (see
+ * also libi3).
*
*/
+#ifndef _UTIL_H
+#define _UTIL_H
+
#include <err.h>
#include "data.h"
-#ifndef _UTIL_H
-#define _UTIL_H
-
#define die(...) errx(EXIT_FAILURE, __VA_ARGS__);
#define exit_if_null(pointer, ...) { if (pointer == NULL) die(__VA_ARGS__); }
#define STARTS_WITH(string, needle) (strncasecmp(string, needle, strlen(needle)) == 0)
*/
bool update_if_necessary(uint32_t *destination, const uint32_t new_value);
-/**
- * Starts the given application by passing it through a shell. We use double
- * fork to avoid zombie processes. As the started application’s parent exits
- * (immediately), the application is reparented to init (process-id 1), which
- * correctly handles childs, so we don’t have to do it :-).
- *
- * The shell is determined by looking for the SHELL environment variable. If
- * it does not exist, /bin/sh is used.
- *
- */
-void start_application(const char *command);
-
/**
* exec()s an i3 utility, for example the config file migration script or
* i3-nagbar. This function first searches $PATH for the given utility named,
#endif
-#if defined(__APPLE__)
-
-/*
- * Taken from FreeBSD
- * Returns a pointer to a new string which is a duplicate of the
- * string, but only copies at most n characters.
- *
- */
-char *strndup(const char *str, size_t n);
-
-#endif
-
#endif