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php-src/ext/mbstring
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Alex Dowad 50ca24251d PHP_HAVE_BUILTIN_USUB_OVERFLOW macro is defined even if __builtin_usub_overflow not available 
...So conditionally including code which uses __builtin_usub_overflow
(for performance) if the macro is defined is not correct. We also need
to check if the macro is defined as a non-zero value.

Apparently this broke the build for a user whose C compiler is GCC
4.9.4. Sorry, user! That was my fault!

Thanks to Jakub Zelenka for reporting the issue.
2023-09-08 20:36:24 +02:00
..
libmbfl PHP_HAVE_BUILTIN_USUB_OVERFLOW macro is defined even if __builtin_usub_overflow not available 2023-09-08 20:36:24 +02:00
tests xfail mbstring test on Windows 32-bit 2023-09-03 14:22:40 +02:00
ucgendat Optimize mb_str{,im}width for performance 2021-09-29 18:19:01 +02:00
common_codepoints.txt Improve mb_detect_encoding accuracy for text containing vowels with macrons 2023-08-25 12:09:55 +02:00
config.m4 Combine CJK encoding conversion code in a single source file 2023-05-20 21:27:48 -07:00
config.w32 Combine CJK encoding conversion code in a single source file 2023-05-20 21:27:48 -07:00
CREDITS
gen_rare_cp_bitvec.php Mark globals as const (#10303) 2023-01-23 13:46:58 +00:00
mb_gpc.c Take order of candidate encodings into account when guessing text encoding 2023-05-16 07:01:07 -07:00
mb_gpc.h Remove unused 'to_language' and 'from_language' struct fields 2022-08-16 16:43:26 +02:00
mbstring.c Fix uaf of MBSTRG(all_encodings_list) 2023-07-31 13:31:50 +02:00
mbstring.h Take order of candidate encodings into account when guessing text encoding 2023-05-16 07:01:07 -07:00
mbstring.stub.php [RFC] Implement mb_str_pad() (#11284) 2023-06-20 21:22:04 +02:00
mbstring_arginfo.h [RFC] Implement mb_str_pad() (#11284) 2023-06-20 21:22:04 +02:00
php_mbregex.c Reduce memory allocated by var_export, json_encode, serialize, and other (#8902) 2022-07-08 14:47:46 +02:00
php_mbregex.h Declare ext/mbstring constants in stubs (#8798) 2022-06-23 17:34:08 +02:00
php_onig_compat.h
php_unicode.c Implement conditional casing for Greek letter sigma when title-casing text 2023-01-12 17:41:11 +02:00
php_unicode.h Speed boost for mb_stripos (when not using UTF-8) 2022-12-18 15:31:20 +02:00
rare_cp_bitvec.h Improve mb_detect_encoding accuracy for text containing vowels with macrons 2023-08-25 12:09:55 +02:00
unicode_data.h Update Unicode tables to 14.0.0 2021-09-20 09:58:20 +02:00