From cd45e5435762d8c6cd13287df7df16b97755176e Mon Sep 17 00:00:00 2001
From: Roy Marples <roy@marples.name>
Date: Wed, 19 Dec 2007 12:46:08 +0000
Subject: Introduce cbasename so we don't have to strdup(basename) and free all
 the time.

---
 src/rc-misc.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

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

diff --git a/src/rc-misc.h b/src/rc-misc.h
index 570d7e79..bcc6b544 100644
--- a/src/rc-misc.h
+++ b/src/rc-misc.h
@@ -35,6 +35,7 @@
 #include <sys/stat.h>
 #include <errno.h>
 #include <stdbool.h>
+#include <string.h>
 
 #ifndef LIB
 #  define LIB "lib"
@@ -118,4 +119,14 @@ bool rc_conf_yesno (const char *var);
 char **env_filter (void);
 char **env_config (void);
 
+/* cbasename never modifies the argument. As such, if there is a trailing
+ * slash then an empty string is returned. */
+static inline const char *cbasename (const char *argv0) {
+	char *l = strrchr (argv0, '/');
+
+	if (l)
+		return (++l);
+	return (argv0);
+}
+
 #endif
-- 
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