From 6e75bff67d6a4b6b96523be31bf581c2feae43c9 Mon Sep 17 00:00:00 2001
From: Jeff Johnston <jjohnstn@redhat.com>
Date: Fri, 8 Apr 2005 20:48:40 +0000
Subject: 2005-04-08  Jeff Johnston  <jjohnstn@redhat.com>

        * libc/include/libgen.h: New file.

2005-04-08  Shaun Jackman  <sjackman@gmail.com>

        * libc/unix/Makefile.am: Add support for basename and dirname.
        * libc/unix/Makefile.in: Regenerated.
        * libc/unix/basename.c: New file.
        * libc/unix/dirname.c: New file.
---
 newlib/libc/unix/dirname.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 newlib/libc/unix/dirname.c

(limited to 'newlib/libc/unix/dirname.c')

diff --git a/newlib/libc/unix/dirname.c b/newlib/libc/unix/dirname.c
new file mode 100644
index 000000000..f026e3056
--- /dev/null
+++ b/newlib/libc/unix/dirname.c
@@ -0,0 +1,28 @@
+/* Copyright 2005 Shaun Jackman
+ * Permission to use, copy, modify, and distribute this software
+ * is freely granted, provided that this notice is preserved.
+ */
+
+#include <libgen.h>
+#include <string.h>
+
+char *
+_DEFUN (dirname, (path),
+	char *path)
+{
+	char *p;
+	if( path == NULL || *path == '\0' )
+		return ".";
+	p = path + strlen(path) - 1;
+	while( *p == '/' ) {
+		if( p == path )
+			return path;
+		*p-- = '\0';
+	}
+	while( p >= path && *p != '/' )
+		p--;
+	return
+		p < path ? "." :
+		p == path ? "/" :
+		(*p = '\0', path);
+}
-- 
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