Introduce cbasename so we don't have to strdup(basename) and free all the time.

1 files changed, 11 insertions, 0 deletions

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