newlib/libc/string/gnu_basename.c

   1 #ifndef _NO_BASENAME
   2 /* Copyright 2015 Red Hat, Inc.
   3  * Permission to use, copy, modify, and distribute this software
   4  * is freely granted, provided that this notice is preserved.
   5  */
   6
   7 /* The differences with the POSIX version (unix/basename.c):
   8  * - declared in <string.h> (instead of <libgen.h>);
   9  * - the argument is never modified, and therefore is marked const;
  10  * - the empty string is returned if path is an empty string, "/", or ends
  11  *   with a trailing slash.
  12  */
  13
  14 #include <string.h>
  15
  16 char *
  17 __gnu_basename (const char *path)
  18 {
  19   char *p;
  20   if ((p = strrchr (path, '/')))
  21     return p + 1;
  22   return (char *) path;
  23 }
  24
  25 #endif /* !_NO_BASENAME  */