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Annotation of embedaddon/readline/xfree.c, revision 1.1.1.1

1.1       misho       1: /* xfree.c -- safe version of free that ignores attempts to free NUL */
                      2: 
                      3: /* Copyright (C) 1991-2010 Free Software Foundation, Inc.
                      4: 
                      5:    This file is part of the GNU Readline Library (Readline), a library
                      6:    for reading lines of text with interactive input and history editing.      
                      7: 
                      8:    Readline is free software: you can redistribute it and/or modify
                      9:    it under the terms of the GNU General Public License as published by
                     10:    the Free Software Foundation, either version 3 of the License, or
                     11:    (at your option) any later version.
                     12: 
                     13:    Readline is distributed in the hope that it will be useful,
                     14:    but WITHOUT ANY WARRANTY; without even the implied warranty of
                     15:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     16:    GNU General Public License for more details.
                     17: 
                     18:    You should have received a copy of the GNU General Public License
                     19:    along with Readline.  If not, see <http://www.gnu.org/licenses/>.
                     20: */
                     21: 
                     22: #define READLINE_LIBRARY
                     23: 
                     24: #if defined (HAVE_CONFIG_H)
                     25: #include <config.h>
                     26: #endif
                     27: 
                     28: #if defined (HAVE_STDLIB_H)
                     29: #  include <stdlib.h>
                     30: #else
                     31: #  include "ansi_stdlib.h"
                     32: #endif /* HAVE_STDLIB_H */
                     33: 
                     34: #include "xmalloc.h"
                     35: 
                     36: /* **************************************************************** */
                     37: /*                                                                 */
                     38: /*                Memory Deallocation.                             */
                     39: /*                                                                 */
                     40: /* **************************************************************** */
                     41: 
                     42: /* Use this as the function to call when adding unwind protects so we
                     43:    don't need to know what free() returns. */
                     44: void
                     45: xfree (string)
                     46:      PTR_T string;
                     47: {
                     48:   if (string)
                     49:     free (string);
                     50: }