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Annotation of gforth/libltdl/lt__alloc.c, revision 1.1

1.1     ! anton       1: /* lt__alloc.c -- internal memory management interface
        !             2: 
        !             3:    Copyright (C) 2004, 2006, 2007 Free Software Foundation, Inc.
        !             4:    Written by Gary V. Vaughan, 2004
        !             5: 
        !             6:    NOTE: The canonical source of this file is maintained with the
        !             7:    GNU Libtool package.  Report bugs to bug-libtool@gnu.org.
        !             8: 
        !             9: GNU Libltdl is free software; you can redistribute it and/or
        !            10: modify it under the terms of the GNU Lesser General Public
        !            11: License as published by the Free Software Foundation; either
        !            12: version 2 of the License, or (at your option) any later version.
        !            13: 
        !            14: As a special exception to the GNU Lesser General Public License,
        !            15: if you distribute this file as part of a program or library that
        !            16: is built using GNU Libtool, you may include this file under the
        !            17: same distribution terms that you use for the rest of that program.
        !            18: 
        !            19: GNU Libltdl is distributed in the hope that it will be useful,
        !            20: but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            21: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            22: GNU Lesser General Public License for more details.
        !            23: 
        !            24: You should have received a copy of the GNU Lesser General Public
        !            25: License along with GNU Libltdl; see the file COPYING.LIB.  If not, a
        !            26: copy can be downloaded from  http://www.gnu.org/licenses/lgpl.html,
        !            27: or obtained by writing to the Free Software Foundation, Inc.,
        !            28: 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
        !            29: */
        !            30: 
        !            31: #include "lt__private.h"
        !            32: 
        !            33: #include <stdio.h>
        !            34: 
        !            35: #include "lt__alloc.h"
        !            36: 
        !            37: static void alloc_die_default (void);
        !            38: 
        !            39: void (*lt__alloc_die) (void) = alloc_die_default;
        !            40: 
        !            41: /* Unless overridden, exit on memory failure.  */
        !            42: static void
        !            43: alloc_die_default (void)
        !            44: {
        !            45:   fprintf (stderr, "Out of memory.\n");
        !            46:   exit (EXIT_FAILURE);
        !            47: }
        !            48: 
        !            49: void *
        !            50: lt__malloc (size_t n)
        !            51: {
        !            52:   void *mem;
        !            53: 
        !            54:   if (! (mem = malloc (n)))
        !            55:     (*lt__alloc_die) ();
        !            56: 
        !            57:   return mem;
        !            58: }
        !            59: 
        !            60: void *
        !            61: lt__zalloc (size_t n)
        !            62: {
        !            63:   void *mem;
        !            64: 
        !            65:   if ((mem = lt__malloc (n)))
        !            66:     memset (mem, 0, n);
        !            67: 
        !            68:   return mem;
        !            69: }
        !            70: 
        !            71: void *
        !            72: lt__realloc (void *mem, size_t n)
        !            73: {
        !            74:   if (! (mem = realloc (mem, n)))
        !            75:     (*lt__alloc_die) ();
        !            76: 
        !            77:   return mem;
        !            78: }
        !            79: 
        !            80: void *
        !            81: lt__memdup (void const *mem, size_t n)
        !            82: {
        !            83:   void *newmem;
        !            84: 
        !            85:   if ((newmem = lt__malloc (n)))
        !            86:     return memcpy (newmem, mem, n);
        !            87: 
        !            88:   return 0;
        !            89: }
        !            90: 
        !            91: char *
        !            92: lt__strdup (const char *string)
        !            93: {
        !            94:   return (char *) lt__memdup (string, strlen (string) +1);
        !            95: }