From aa37d3d42f37ace8dc196320f1677e4e14fe77c8 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Sat, 14 Jan 2012 15:17:08 +0000
Subject: [PATCH] LRN: add function GNUNET_STRINGS_get_short_name to get
 basename

---
 src/include/gnunet_strings_lib.h | 14 ++++++++++++++
 src/util/strings.c               | 22 +++++++++++++++++++++-
 2 files changed, 35 insertions(+), 1 deletion(-)

diff --git a/src/include/gnunet_strings_lib.h b/src/include/gnunet_strings_lib.h
index edeccaf3b..8101a8113 100644
--- a/src/include/gnunet_strings_lib.h
+++ b/src/include/gnunet_strings_lib.h
@@ -199,6 +199,20 @@ GNUNET_STRINGS_absolute_time_to_string (struct GNUNET_TIME_Absolute t);
 char *
 GNUNET_STRINGS_relative_time_to_string (struct GNUNET_TIME_Relative delta);
 
+/**
+ * "man basename"
+ * Returns a pointer to a part of filename (allocates nothing)!
+ *
+ * @param filename filename to extract basename from
+ * @return short (base) name of the file (that is, everything following the
+ *         last directory separator in filename. If filename ends with a
+ *         directory separator, the result will be a zero-length string.
+ *         If filename has no directory separators, the result is filename
+ *         itself.
+ */
+const char *
+GNUNET_STRINGS_get_short_name (const char *filename);
+
 #if 0                           /* keep Emacsens' auto-indent happy */
 {
 #endif
diff --git a/src/util/strings.c b/src/util/strings.c
index bd0a8eb52..1a884bc75 100644
--- a/src/util/strings.c
+++ b/src/util/strings.c
@@ -607,6 +607,26 @@ GNUNET_STRINGS_absolute_time_to_string (struct GNUNET_TIME_Absolute t)
   return ret;
 }
 
-
+/**
+ * "man basename"
+ * Returns a pointer to a part of filename (allocates nothing)!
+ *
+ * @param filename filename to extract basename from
+ * @return short (base) name of the file (that is, everything following the
+ *         last directory separator in filename. If filename ends with a
+ *         directory separator, the result will be a zero-length string.
+ *         If filename has no directory separators, the result is filename
+ *         itself.
+ */
+const char *
+GNUNET_STRINGS_get_short_name (const char *filename)
+{
+  const char *short_fn = filename;
+  const char *ss;
+  while (NULL != (ss = strstr (short_fn, DIR_SEPARATOR_STR))
+      && (ss[1] != '\0'))
+    short_fn = 1 + ss;
+  return short_fn;
+}
 
 /* end of strings.c */
-- 
2.25.1