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/* Return the basename of a pathname.
   This file is in the public domain. */
 
/*
 
@deftypefn Supplemental char* basename (const char *@var{name})
 
Returns a pointer to the last component of pathname @var{name}.
Behavior is undefined if the pathname ends in a directory separator.
 
@end deftypefn
 
*/
 
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "ansidecl.h"
#include "libiberty.h"
#include "safe-ctype.h"
 
#ifndef DIR_SEPARATOR
#define DIR_SEPARATOR '/'
#endif
 
#if defined (_WIN32) || defined (__MSDOS__) || defined (__DJGPP__) || \
  defined (__OS2__)
#define HAVE_DOS_BASED_FILE_SYSTEM
#ifndef DIR_SEPARATOR_2 
#define DIR_SEPARATOR_2 '\\'
#endif
#endif
 
/* Define IS_DIR_SEPARATOR.  */
#ifndef DIR_SEPARATOR_2
# define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR)
#else /* DIR_SEPARATOR_2 */
# define IS_DIR_SEPARATOR(ch) \
	(((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2))
#endif /* DIR_SEPARATOR_2 */
 
char *
basename (const char *name)
{
  const char *base;
 
#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
  /* Skip over the disk name in MSDOS pathnames. */
  if (ISALPHA (name[0]) && name[1] == ':') 
    name += 2;
#endif
 
  for (base = name; *name; name++)
    {
      if (IS_DIR_SEPARATOR (*name))
	{
	  base = name + 1;
	}
    }
  return (char *) base;
}