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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /gfx/harfbuzz/src/failing-alloc.c | |
parent | Initial commit. (diff) | |
download | firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/harfbuzz/src/failing-alloc.c')
-rw-r--r-- | gfx/harfbuzz/src/failing-alloc.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/gfx/harfbuzz/src/failing-alloc.c b/gfx/harfbuzz/src/failing-alloc.c new file mode 100644 index 0000000000..1bfb935b94 --- /dev/null +++ b/gfx/harfbuzz/src/failing-alloc.c @@ -0,0 +1,65 @@ +/* + * Copyright © 2020 Ebrahim Byagowi + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + */ + +#include <stdlib.h> +#include <stdio.h> + +#ifdef __cplusplus +extern "C" { +#endif + +int alloc_state = 0; + +__attribute__((no_sanitize("integer"))) +static int fastrand () +{ + if (!alloc_state) return 1; + /* Based on https://software.intel.com/content/www/us/en/develop/articles/fast-random-number-generator-on-the-intel-pentiumr-4-processor.html */ + alloc_state = (214013 * alloc_state + 2531011); + return (alloc_state >> 16) & 0x7FFF; +} + +void* hb_malloc_impl (size_t size) +{ + return (fastrand () % 16) ? malloc (size) : NULL; +} + +void* hb_calloc_impl (size_t nmemb, size_t size) +{ + return (fastrand () % 16) ? calloc (nmemb, size) : NULL; +} + +void* hb_realloc_impl (void *ptr, size_t size) +{ + return (fastrand () % 16) ? realloc (ptr, size) : NULL; +} + +void hb_free_impl (void *ptr) +{ + return free (ptr); +} + +#ifdef __cplusplus +} +#endif |