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author | Tavian Barnes <tavianator@tavianator.com> | 2014-08-19 17:10:03 -0400 |
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committer | Tavian Barnes <tavianator@tavianator.com> | 2015-10-25 11:03:56 -0400 |
commit | 7b09710392d35fb55b52031d447a542d99fc6b4b (patch) | |
tree | 270eb927ee8c52ceeb99926ebf4843704775a610 /libdimension/base/malloc.c | |
parent | 200c86b91ea7063d35be3bffc11c5da53c054653 (diff) | |
download | dimension-7b09710392d35fb55b52031d447a542d99fc6b4b.tar.xz |
Modularize the libdimension codebase.
Diffstat (limited to 'libdimension/base/malloc.c')
-rw-r--r-- | libdimension/base/malloc.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/libdimension/base/malloc.c b/libdimension/base/malloc.c new file mode 100644 index 0000000..6aaf68c --- /dev/null +++ b/libdimension/base/malloc.c @@ -0,0 +1,94 @@ +/************************************************************************* + * Copyright (C) 2010-2014 Tavian Barnes <tavianator@tavianator.com> * + * * + * This file is part of The Dimension Library. * + * * + * The Dimension Library is free software; you can redistribute it and/ * + * or modify it under the terms of the GNU Lesser General Public License * + * as published by the Free Software Foundation; either version 3 of the * + * License, or (at your option) any later version. * + * * + * The Dimension Library 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 * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this program. If not, see * + * <http://www.gnu.org/licenses/>. * + *************************************************************************/ + +/** + * @file + * Dynamic memory. + */ + +#include "internal.h" +#include <stdlib.h> +#include <string.h> +#include <stdatomic.h> + +#if DMNSN_DEBUG +static atomic_size_t dmnsn_allocs = ATOMIC_VAR_INIT(0); +#endif + +void * +dmnsn_malloc(size_t size) +{ + void *ptr = malloc(size); + if (!ptr) { + dmnsn_error("Memory allocation failed."); + } + +#if DMNSN_DEBUG + atomic_fetch_add(&dmnsn_allocs, 1); +#endif + + return ptr; +} + +void * +dmnsn_realloc(void *ptr, size_t size) +{ +#if DMNSN_DEBUG + if (!ptr) { + atomic_fetch_add(&dmnsn_allocs, 1); + } +#endif + + ptr = realloc(ptr, size); + if (!ptr) { + dmnsn_error("Memory allocation failed."); + } + return ptr; +} + +char * +dmnsn_strdup(const char *s) +{ + char *copy = dmnsn_malloc(strlen(s) + 1); + strcpy(copy, s); + return copy; +} + +void +dmnsn_free(void *ptr) +{ +#if DMNSN_DEBUG + if (ptr) { + atomic_fetch_sub(&dmnsn_allocs, 1); + } +#endif + + free(ptr); +} + +#if DMNSN_DEBUG +DMNSN_LATE_DESTRUCTOR static void +dmnsn_leak_check(void) +{ + if (atomic_load_explicit(&dmnsn_allocs, memory_order_relaxed) > 0) { + dmnsn_warning("Leaking memory."); + } +} +#endif |