lib/basename.c

   1 /* basename.c -- return the last element in a path */
   2
   3 #if HAVE_CONFIG_H
   4 # include <config.h>
   5 #endif
   6
   7 #ifndef FILESYSTEM_PREFIX_LEN
   8 # define FILESYSTEM_PREFIX_LEN(f) 0
   9 #endif
  10
  11 #ifndef ISSLASH
  12 # define ISSLASH(c) ((c) == '/')
  13 #endif
  14
  15 /* In general, we can't use the builtin `basename' function if available,
  16    since it has different meanings in different environments.
  17    In some environments the builtin `basename' modifies its argument.  */
  18
  19 char *
  20 base_name (name)
  21      char const *name;
  22 {
  23   char const *base = name += FILESYSTEM_PREFIX_LEN (name);
  24
  25   for (; *name; name++)
  26     if (ISSLASH (*name))
  27       base = name + 1;
  28
  29   return (char *) base;
  30 }