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      1   1.1  mrg /* Libiberty basename.  Like basename, but is not overridden by the
      2   1.1  mrg    system C library.
      3  1.11  mrg    Copyright (C) 2001-2022 Free Software Foundation, Inc.
      4   1.1  mrg 
      5   1.1  mrg This file is part of the libiberty library.
      6   1.1  mrg Libiberty is free software; you can redistribute it and/or
      7   1.1  mrg modify it under the terms of the GNU Library General Public
      8   1.1  mrg License as published by the Free Software Foundation; either
      9   1.1  mrg version 2 of the License, or (at your option) any later version.
     10   1.1  mrg 
     11   1.1  mrg Libiberty is distributed in the hope that it will be useful,
     12   1.1  mrg but WITHOUT ANY WARRANTY; without even the implied warranty of
     13   1.1  mrg MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     14   1.1  mrg Library General Public License for more details.
     15   1.1  mrg 
     16   1.1  mrg You should have received a copy of the GNU Library General Public
     17   1.1  mrg License along with libiberty; see the file COPYING.LIB.  If
     18   1.1  mrg not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
     19   1.1  mrg Boston, MA 02110-1301, USA.  */
     20   1.1  mrg 
     21   1.1  mrg /*
     22   1.1  mrg 
     23   1.1  mrg @deftypefn Replacement {const char*} lbasename (const char *@var{name})
     24   1.1  mrg 
     25   1.1  mrg Given a pointer to a string containing a typical pathname
     26   1.1  mrg (@samp{/usr/src/cmd/ls/ls.c} for example), returns a pointer to the
     27   1.1  mrg last component of the pathname (@samp{ls.c} in this case).  The
     28   1.1  mrg returned pointer is guaranteed to lie within the original
     29   1.1  mrg string.  This latter fact is not true of many vendor C
     30   1.1  mrg libraries, which return special strings or modify the passed
     31   1.1  mrg strings for particular input.
     32   1.1  mrg 
     33   1.1  mrg In particular, the empty string returns the same empty string,
     34   1.1  mrg and a path ending in @code{/} returns the empty string after it.
     35   1.1  mrg 
     36   1.1  mrg @end deftypefn
     37   1.1  mrg 
     38   1.1  mrg */
     39   1.1  mrg 
     40   1.1  mrg #ifdef HAVE_CONFIG_H
     41   1.1  mrg #include "config.h"
     42   1.1  mrg #endif
     43   1.1  mrg #include "ansidecl.h"
     44   1.1  mrg #include "libiberty.h"
     45   1.1  mrg #include "safe-ctype.h"
     46   1.1  mrg #include "filenames.h"
     47   1.1  mrg 
     48   1.1  mrg const char *
     49   1.3  mrg unix_lbasename (const char *name)
     50   1.3  mrg {
     51   1.3  mrg   const char *base;
     52   1.3  mrg 
     53   1.3  mrg   for (base = name; *name; name++)
     54   1.3  mrg     if (IS_UNIX_DIR_SEPARATOR (*name))
     55   1.3  mrg       base = name + 1;
     56   1.3  mrg 
     57   1.3  mrg   return base;
     58   1.3  mrg }
     59   1.3  mrg 
     60   1.3  mrg const char *
     61   1.3  mrg dos_lbasename (const char *name)
     62   1.1  mrg {
     63   1.1  mrg   const char *base;
     64   1.1  mrg 
     65   1.1  mrg   /* Skip over a possible disk name.  */
     66   1.1  mrg   if (ISALPHA (name[0]) && name[1] == ':')
     67   1.1  mrg     name += 2;
     68   1.1  mrg 
     69   1.1  mrg   for (base = name; *name; name++)
     70   1.3  mrg     if (IS_DOS_DIR_SEPARATOR (*name))
     71   1.1  mrg       base = name + 1;
     72   1.1  mrg 
     73   1.1  mrg   return base;
     74   1.1  mrg }
     75   1.3  mrg 
     76   1.3  mrg const char *
     77   1.3  mrg lbasename (const char *name)
     78   1.3  mrg {
     79   1.3  mrg #if defined (HAVE_DOS_BASED_FILE_SYSTEM)
     80   1.3  mrg   return dos_lbasename (name);
     81   1.3  mrg #else
     82   1.3  mrg   return unix_lbasename (name);
     83   1.3  mrg #endif
     84   1.3  mrg }
     85