1 /* Libiberty basename. Like basename, but is not overridden by the 2 system C library. 3 Copyright (C) 2001, 2002 Free Software Foundation, Inc. 4 5 This file is part of the libiberty library. 6 Libiberty is free software; you can redistribute it and/or 7 modify it under the terms of the GNU Library General Public 8 License as published by the Free Software Foundation; either 9 version 2 of the License, or (at your option) any later version. 10 11 Libiberty is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 Library General Public License for more details. 15 16 You should have received a copy of the GNU Library General Public 17 License along with libiberty; see the file COPYING.LIB. If 18 not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, 19 Boston, MA 02110-1301, USA. */ 20 21 /* 22 23 @deftypefn Replacement {const char*} lbasename (const char *@var{name}) 24 25 Given a pointer to a string containing a typical pathname 26 (@samp{/usr/src/cmd/ls/ls.c} for example), returns a pointer to the 27 last component of the pathname (@samp{ls.c} in this case). The 28 returned pointer is guaranteed to lie within the original 29 string. This latter fact is not true of many vendor C 30 libraries, which return special strings or modify the passed 31 strings for particular input. 32 33 In particular, the empty string returns the same empty string, 34 and a path ending in @code{/} returns the empty string after it. 35 36 @end deftypefn 37 38 */ 39 40 #ifdef HAVE_CONFIG_H 41 #include "config.h" 42 #endif 43 #include "ansidecl.h" 44 #include "libiberty.h" 45 #include "safe-ctype.h" 46 #include "filenames.h" 47 48 const char * 49 lbasename (const char *name) 50 { 51 const char *base; 52 53 #if defined (HAVE_DOS_BASED_FILE_SYSTEM) 54 /* Skip over a possible disk name. */ 55 if (ISALPHA (name[0]) && name[1] == ':') 56 name += 2; 57 #endif 58 59 for (base = name; *name; name++) 60 if (IS_DIR_SEPARATOR (*name)) 61 base = name + 1; 62 63 return base; 64 } 65