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author | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2023-01-31 11:21:30 +0100 |
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committer | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2023-01-31 13:51:49 +0100 |
commit | cdccc69c62579b0c13b35fad0728079652b8f3c9 (patch) | |
tree | 9fa54c710f73c5e08a9c8466e7a712eb63ee07ac /lib/util/src/alloc.c | |
parent | 2182129c8f359c4fa1390eaba7a65b595ccd4182 (diff) |
Move library source into src sub-directory
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'lib/util/src/alloc.c')
-rw-r--r-- | lib/util/src/alloc.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/lib/util/src/alloc.c b/lib/util/src/alloc.c new file mode 100644 index 0000000..359fef5 --- /dev/null +++ b/lib/util/src/alloc.c @@ -0,0 +1,37 @@ +/* SPDX-License-Identifier: LGPL-3.0-or-later */ +/* + * alloc.c + * + * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at> + */ +#include "config.h" + +#include "util/util.h" + +#include <stdlib.h> +#include <errno.h> + +void *alloc_flex(size_t base_size, size_t item_size, size_t nmemb) +{ + size_t size; + + if (SZ_MUL_OV(nmemb, item_size, &size) || + SZ_ADD_OV(base_size, size, &size)) { + errno = EOVERFLOW; + return NULL; + } + + return calloc(1, size); +} + +void *alloc_array(size_t item_size, size_t nmemb) +{ + size_t size; + + if (SZ_MUL_OV(nmemb, item_size, &size)) { + errno = EOVERFLOW; + return NULL; + } + + return calloc(1, size); +} |