[GNUnet-SVN] r19131 - in gnunet/src: include util

[gnunet]

Author: grothoff
Date: 2012-01-14 16:17:08 +0100 (Sat, 14 Jan 2012)
New Revision: 19131

Modified:
   gnunet/src/include/gnunet_strings_lib.h
   gnunet/src/util/strings.c
Log:
LRN: add function GNUNET_STRINGS_get_short_name to get basename

Modified: gnunet/src/include/gnunet_strings_lib.h
===================================================================
--- gnunet/src/include/gnunet_strings_lib.h     2012-01-13 22:14:11 UTC (rev 
19130)
+++ gnunet/src/include/gnunet_strings_lib.h     2012-01-14 15:17:08 UTC (rev 
19131)
@@ -199,6 +199,20 @@
 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

Modified: gnunet/src/util/strings.c
===================================================================
--- gnunet/src/util/strings.c   2012-01-13 22:14:11 UTC (rev 19130)
+++ gnunet/src/util/strings.c   2012-01-14 15:17:08 UTC (rev 19131)
@@ -607,6 +607,26 @@
   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 */