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[/] [or1k_old/] [trunk/] [gdb-5.3/] [libiberty/] [lbasename.c] - Rev 1782
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/* Libiberty basename. Like basename, but is not overridden by the system C library. Copyright (C) 2001, 2002 Free Software Foundation, Inc. This file is part of the libiberty library. Libiberty is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. Libiberty is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with libiberty; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* @deftypefn Replacement {const char*} lbasename (const char *@var{name}) Given a pointer to a string containing a typical pathname (@samp{/usr/src/cmd/ls/ls.c} for example), returns a pointer to the last component of the pathname (@samp{ls.c} in this case). The returned pointer is guaranteed to lie within the original string. This latter fact is not true of many vendor C libraries, which return special strings or modify the passed strings for particular input. In particular, the empty string returns the same empty string, and a path ending in @code{/} returns the empty string after it. @end deftypefn */ #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 #ifndef DIR_SEPARATOR_2 # define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) #else # define IS_DIR_SEPARATOR(ch) \ (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) #endif const char * lbasename (name) const char *name; { const char *base; #if defined (HAVE_DOS_BASED_FILE_SYSTEM) /* Skip over a possible disk name. */ if (ISALPHA (name[0]) && name[1] == ':') name += 2; #endif for (base = name; *name; name++) if (IS_DIR_SEPARATOR (*name)) base = name + 1; return base; }