| 1 | /* |
| 2 | * This file is part of Cmarsh |
| 3 | * Copyright (C) 2004 Richard Kettlewell |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, but |
| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | * General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| 18 | * USA |
| 19 | */ |
| 20 | |
| 21 | #include "cparse.h" |
| 22 | |
| 23 | #if USE_GC |
| 24 | # include <gc.h> |
| 25 | #else |
| 26 | static void *GC_malloc(size_t n) { |
| 27 | void *ptr; |
| 28 | |
| 29 | if((ptr = malloc(n))) |
| 30 | memset(ptr, 0, n); |
| 31 | return ptr; |
| 32 | } |
| 33 | |
| 34 | static void *GC_realloc(void *ptr, size_t n) { |
| 35 | return realloc(ptr, n); |
| 36 | } |
| 37 | |
| 38 | static void *GC_malloc_atomic(size_t n) { |
| 39 | return malloc(n); |
| 40 | } |
| 41 | #endif |
| 42 | |
| 43 | void *xmalloc(size_t n) { |
| 44 | void *ptr; |
| 45 | |
| 46 | if(!(ptr = GC_malloc(n)) && n) |
| 47 | fatal(errno, "error allocating memory"); |
| 48 | return ptr; |
| 49 | } |
| 50 | |
| 51 | void *xrealloc(void *ptr, size_t n) { |
| 52 | if(!(ptr = GC_realloc(ptr, n)) && n) |
| 53 | fatal(errno, "error allocating memory"); |
| 54 | return ptr; |
| 55 | } |
| 56 | |
| 57 | void *xmalloc_noptr(size_t n) { |
| 58 | void *ptr; |
| 59 | |
| 60 | if(!(ptr = GC_malloc_atomic(n)) && n) |
| 61 | fatal(errno, "error allocating memory"); |
| 62 | return ptr; |
| 63 | } |
| 64 | |
| 65 | void *xrealloc_noptr(void *ptr, size_t n) { |
| 66 | if(ptr == 0) |
| 67 | return xmalloc_noptr(n); |
| 68 | if(!(ptr = GC_realloc(ptr, n)) && n) |
| 69 | fatal(errno, "error allocating memory"); |
| 70 | return ptr; |
| 71 | } |
| 72 | |
| 73 | char *xstrdup(const char *s) { |
| 74 | char *t; |
| 75 | |
| 76 | if(!(t = GC_malloc_atomic(strlen(s) + 1))) |
| 77 | fatal(errno, "error allocating memory"); |
| 78 | return strcpy(t, s); |
| 79 | } |
| 80 | |
| 81 | char *xstrndup(const char *s, size_t n) { |
| 82 | char *t; |
| 83 | |
| 84 | if(!(t = GC_malloc_atomic(n + 1))) |
| 85 | fatal(errno, "error allocating memory"); |
| 86 | memcpy(t, s, n); |
| 87 | t[n] = 0; |
| 88 | return t; |
| 89 | } |
| 90 | |
| 91 | /* |
| 92 | Local Variables: |
| 93 | c-basic-offset:2 |
| 94 | comment-column:40 |
| 95 | End: |
| 96 | */ |