Renamed r1bindex() to mhbasename(), to make its function becomes clear.

[mmh] / sbr / mhbasename.c

diff --git a/sbr/mhbasename.c b/sbr/mhbasename.c
new file mode 100644 (file)
index 0000000..038e506
--- /dev/null
+++ b/sbr/mhbasename.c
@@ -0,0 +1,32 @@
+/*
+** mhbasename.c -- Given a path name, return a pointer to the character
+**              -- after the last slash. If none present, return the the
+**              -- beginning of the path.
+**
+** This code is Copyright (c) 2002, by the authors of nmh.  See the
+** COPYRIGHT file in the root directory of the nmh distribution for
+** complete copyright information.
+*/
+
+#include <h/mh.h>
+
+
+/*
+**  Note: In contrast to POSIX basename(), we don't handle trailing
+**  slashes special. If path has a trailing slash, we return a pointer
+**  to a null byte (i.e. to an empty string). Also different: We don't
+**  modify the original string neither do we return a pointer to static
+**  memory.
+*/
+char *
+mhbasename(char *path)
+{
+       char *cp;
+
+       if (!path) {
+               return NULL;
+       }
+       cp = strrchr(path, '/');
+       return (!cp) ? path : ++cp;
+       
+}