67 lines
1.4 KiB
C
67 lines
1.4 KiB
C
/* Return the basename of a pathname.
|
|
This file is in the public domain. */
|
|
|
|
/*
|
|
NAME
|
|
basename -- return pointer to last component of a pathname
|
|
|
|
SYNOPSIS
|
|
char *basename (const char *name)
|
|
|
|
DESCRIPTION
|
|
Given a pointer to a string containing a typical pathname
|
|
(/usr/src/cmd/ls/ls.c for example), returns a pointer to the
|
|
last component of the pathname ("ls.c" in this case).
|
|
|
|
BUGS
|
|
Presumes a UNIX or DOS/Windows style path with UNIX or DOS/Windows
|
|
style separators.
|
|
*/
|
|
|
|
#include "ansidecl.h"
|
|
#include "libiberty.h"
|
|
#include <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 (name)
|
|
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;
|
|
}
|
|
|