198b9484cSchristos /* Libiberty basename. Like basename, but is not overridden by the 298b9484cSchristos system C library. 3*5173eb0aSchristos Copyright (C) 2001-2024 Free Software Foundation, Inc. 498b9484cSchristos 598b9484cSchristos This file is part of the libiberty library. 698b9484cSchristos Libiberty is free software; you can redistribute it and/or 798b9484cSchristos modify it under the terms of the GNU Library General Public 898b9484cSchristos License as published by the Free Software Foundation; either 998b9484cSchristos version 2 of the License, or (at your option) any later version. 1098b9484cSchristos 1198b9484cSchristos Libiberty is distributed in the hope that it will be useful, 1298b9484cSchristos but WITHOUT ANY WARRANTY; without even the implied warranty of 1398b9484cSchristos MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 1498b9484cSchristos Library General Public License for more details. 1598b9484cSchristos 1698b9484cSchristos You should have received a copy of the GNU Library General Public 1798b9484cSchristos License along with libiberty; see the file COPYING.LIB. If 1898b9484cSchristos not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, 1998b9484cSchristos Boston, MA 02110-1301, USA. */ 2098b9484cSchristos 2198b9484cSchristos /* 2298b9484cSchristos 2398b9484cSchristos @deftypefn Replacement {const char*} lbasename (const char *@var{name}) 2498b9484cSchristos 2598b9484cSchristos Given a pointer to a string containing a typical pathname 2698b9484cSchristos (@samp{/usr/src/cmd/ls/ls.c} for example), returns a pointer to the 2798b9484cSchristos last component of the pathname (@samp{ls.c} in this case). The 2898b9484cSchristos returned pointer is guaranteed to lie within the original 2998b9484cSchristos string. This latter fact is not true of many vendor C 3098b9484cSchristos libraries, which return special strings or modify the passed 3198b9484cSchristos strings for particular input. 3298b9484cSchristos 3398b9484cSchristos In particular, the empty string returns the same empty string, 3498b9484cSchristos and a path ending in @code{/} returns the empty string after it. 3598b9484cSchristos 3698b9484cSchristos @end deftypefn 3798b9484cSchristos 3898b9484cSchristos */ 3998b9484cSchristos 4098b9484cSchristos #ifdef HAVE_CONFIG_H 4198b9484cSchristos #include "config.h" 4298b9484cSchristos #endif 4398b9484cSchristos #include "ansidecl.h" 4498b9484cSchristos #include "libiberty.h" 4598b9484cSchristos #include "safe-ctype.h" 4698b9484cSchristos #include "filenames.h" 4798b9484cSchristos 4898b9484cSchristos const char * 4998b9484cSchristos unix_lbasename (const char *name) 5098b9484cSchristos { 5198b9484cSchristos const char *base; 5298b9484cSchristos 5398b9484cSchristos for (base = name; *name; name++) 5498b9484cSchristos if (IS_UNIX_DIR_SEPARATOR (*name)) 5598b9484cSchristos base = name + 1; 5698b9484cSchristos 5798b9484cSchristos return base; 5898b9484cSchristos } 5998b9484cSchristos 6098b9484cSchristos const char * 6198b9484cSchristos dos_lbasename (const char *name) 6298b9484cSchristos { 6398b9484cSchristos const char *base; 6498b9484cSchristos 6598b9484cSchristos /* Skip over a possible disk name. */ 6698b9484cSchristos if (ISALPHA (name[0]) && name[1] == ':') 6798b9484cSchristos name += 2; 6898b9484cSchristos 6998b9484cSchristos for (base = name; *name; name++) 7098b9484cSchristos if (IS_DOS_DIR_SEPARATOR (*name)) 7198b9484cSchristos base = name + 1; 7298b9484cSchristos 7398b9484cSchristos return base; 7498b9484cSchristos } 7598b9484cSchristos 7698b9484cSchristos const char * 7798b9484cSchristos lbasename (const char *name) 7898b9484cSchristos { 7998b9484cSchristos #if defined (HAVE_DOS_BASED_FILE_SYSTEM) 8098b9484cSchristos return dos_lbasename (name); 8198b9484cSchristos #else 8298b9484cSchristos return unix_lbasename (name); 8398b9484cSchristos #endif 8498b9484cSchristos } 85