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xmalloc.c
Package: mysql-3.23.35.tar.gz [view]
Upload User: tsgydb
Upload Date: 2007-04-14
Package Size: 10674k
Code Size: 2k
Category:
MySQL
Development Platform:
Visual C++
- /* xmalloc.c -- safe versions of malloc and realloc */
- /* Copyright (C) 1991 Free Software Foundation, Inc.
- This file is part of GNU Readline, a library for reading lines
- of text with interactive input and history editing.
- Readline is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by the
- Free Software Foundation; either version 1, or (at your option) any
- later version.
- Readline 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
- General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with Readline; see the file COPYING. If not, write to the Free
- Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
- #if defined (HAVE_CONFIG_H)
- #include <config.h>
- #endif
- #include <stdio.h>
- #if defined (HAVE_STDLIB_H)
- # include <stdlib.h>
- #else
- # include "ansi_stdlib.h"
- #endif /* HAVE_STDLIB_H */
- static void memory_error_and_abort ();
- /* **************************************************************** */
- /* */
- /* Memory Allocation and Deallocation. */
- /* */
- /* **************************************************************** */
- /* Return a pointer to free()able block of memory large enough
- to hold BYTES number of bytes. If the memory cannot be allocated,
- print an error message and abort. */
- char *
- xmalloc (bytes)
- int bytes;
- {
- char *temp;
- temp = (char *)malloc (bytes);
- if (temp == 0)
- memory_error_and_abort ("xmalloc");
- return (temp);
- }
- char *
- xrealloc (pointer, bytes)
- char *pointer;
- int bytes;
- {
- char *temp;
- temp = pointer ? (char *)realloc (pointer, bytes) : (char *)malloc (bytes);
- if (temp == 0)
- memory_error_and_abort ("xrealloc");
- return (temp);
- }
- static void
- memory_error_and_abort (fname)
- char *fname;
- {
- fprintf (stderr, "%s: out of virtual memoryn", fname);
- exit (2);
- }
- /* Use this as the function to call when adding unwind protects so we
- don't need to know what free() returns. */
- void
- xfree (string)
- char *string;
- {
- if (string)
- free (string);
- }