| /* Part of CPP library. (memory allocation - xmalloc etc) |
| Copyright (C) 1986, 87, 89, 92, 93, 94, 1995, 1998 Free Software Foundation, Inc. |
| Written by Per Bothner, 1994. |
| Based on CCCP program by Paul Rubin, June 1986 |
| Adapted to ANSI C, Richard Stallman, Jan 1987 |
| |
| This program 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 2, or (at your option) any |
| later version. |
| |
| This program 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 this program; if not, write to the Free Software |
| Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| |
| In other words, you are welcome to use, share and improve this program. |
| You are forbidden to forbid anyone else to use, share and improve |
| what you give them. Help stamp out software-hoarding! */ |
| |
| #include "config.h" |
| #include "system.h" |
| #include "cpplib.h" |
| |
| static void memory_full PROTO ((void)) ATTRIBUTE_NORETURN; |
| |
| static void |
| memory_full () |
| { |
| cpp_notice ("%s: Memory exhausted.\n", progname); |
| exit (FATAL_EXIT_CODE); |
| } |
| |
| PTR |
| xmalloc (size) |
| size_t size; |
| { |
| register PTR ptr = (PTR) malloc (size); |
| if (ptr == 0) |
| memory_full (); |
| return ptr; |
| } |
| |
| PTR |
| xcalloc (number, size) |
| size_t number, size; |
| { |
| register PTR ptr = (PTR) calloc (number, size); |
| if (ptr == 0) |
| memory_full (); |
| return ptr; |
| } |
| |
| PTR |
| xrealloc (old, size) |
| PTR old; |
| size_t size; |
| { |
| register PTR ptr; |
| if (old) |
| ptr = (PTR) realloc (old, size); |
| else |
| ptr = (PTR) malloc (size); |
| if (ptr == 0) |
| memory_full (); |
| return ptr; |
| } |
| |
| char * |
| xstrdup (input) |
| const char *input; |
| { |
| unsigned size = strlen (input); |
| char *output = xmalloc (size + 1); |
| strcpy (output, input); |
| return output; |
| } |