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newlib-cygwin/newlib/libc/string
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Corinna Vinschen ed18acfe8c strcasecmp family: cast character to unsigned when calling tolower 
The strcasecmp family of functions (strcasecmp, strncasecmp,
strcasecmp_l, strncasecmp_l) call tolower on the incoming
character before comparison.  tolower takes an int as parameter.
All four strcasecmp functions neglect to cast the character to
unsigned before using it as parameter to tolower.  This tolower
is called with negative values if the incoming character is not
in the ASCII range.  This breaks case-insensitive comparison in
other singlebyte codesets like ISO-8859-1 with native characters.

Adding casts to unsigned char when calling tolower fixes it.

Reported-by: Bruno Haible <bruno@clisp.org>
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2025-02-17 10:52:28 +01:00
..
ambiguous.t
generated width data, Unicode 10.0
2018-03-12 10:17:20 +01:00
bcmp.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
bcopy.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
bzero.c
string: remove TRAD_SYNOPSIS
2017-12-01 03:41:52 -06:00
combining.t
newlib/libc/{ctype, string}/*.t: Unicode 15 character width and property tables
2023-02-20 11:01:18 +01:00
explicit_bzero.c
Add explicit_bzero()
2016-03-18 12:33:40 +01:00
ffsl.c
Add ffsl(), ffsll(), fls(), flsl(), flsll()
2017-07-05 13:49:48 +02:00
ffsll.c
Add ffsl(), ffsll(), fls(), flsl(), flsll()
2017-07-05 13:49:48 +02:00
fls.c
Add ffsl(), ffsll(), fls(), flsl(), flsll()
2017-07-05 13:49:48 +02:00
flsl.c
Add ffsl(), ffsll(), fls(), flsl(), flsll()
2017-07-05 13:49:48 +02:00
flsll.c
Add ffsl(), ffsll(), fls(), flsl(), flsll()
2017-07-05 13:49:48 +02:00
gnu_basename.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
index.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
local.h
newlib: introduce --enable-newlib-hw-misaligned-access option
2025-02-10 15:35:20 +01:00
Makefile.inc
newlib: libc: merge build up a directory
2022-03-16 21:18:25 -04:00
memccpy.c
newlib: memccpy: unify mask filling with other memory functions
2025-02-10 15:26:51 +01:00
memchr.c
newlib: string: refactor str/mem-family functions
2025-02-10 15:20:47 +01:00
memcmp.c
newlib: string: refactor str/mem-family functions
2025-02-10 15:20:47 +01:00
memcpy.c
newlib: mem[p]cpy/memmove improve performance for optimized versions
2025-02-10 15:30:46 +01:00
memmem.c
memmem.c and strstr.c: do not require -std=c99
2019-08-14 10:39:37 +02:00
memmove.c
newlib: memmove: improve performance for overlapping buffers
2025-02-10 15:31:10 +01:00
mempcpy.c
newlib: mem[p]cpy/memmove improve performance for optimized versions
2025-02-10 15:30:46 +01:00
memrchr.c
newlib: string: refactor str/mem-family functions
2025-02-10 15:20:47 +01:00
memset.c
newlib: string: refactor str/mem-family functions
2025-02-10 15:20:47 +01:00
mkunidata
fix and amend scripts and makefile rules to generate Unicode data
2021-07-06 15:35:37 +02:00
mkwide
width data generation
2018-03-12 10:17:20 +01:00
mkwidthA
width data generation
2018-03-12 10:17:20 +01:00
rawmemchr.c
newlib: string: refactor str/mem-family functions
2025-02-10 15:20:47 +01:00
rindex.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
stpcpy.c
newlib: string: refactor str/mem-family functions
2025-02-10 15:20:47 +01:00
stpncpy.c
newlib: string: refactor str/mem-family functions
2025-02-10 15:20:47 +01:00
str-two-way.h
strstr: avoid warnings
2021-09-03 12:51:30 +02:00
strcasecmp_l.c
strcasecmp family: cast character to unsigned when calling tolower
2025-02-17 10:52:28 +01:00
strcasecmp.c
strcasecmp family: cast character to unsigned when calling tolower
2025-02-17 10:52:28 +01:00
strcasestr.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
strcat.c
Protect strcat from accessing an unaligend long pointer
2025-02-12 10:25:24 +01:00
strchr.c
newlib: string: refactor str/mem-family functions
2025-02-10 15:20:47 +01:00
strchrnul.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
strcmp.c
newlib: string: refactor str/mem-family functions
2025-02-10 15:20:47 +01:00
strcoll_l.c
string: remove TRAD_SYNOPSIS
2017-12-01 03:41:52 -06:00
strcoll.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
strcpy.c
newlib: string: refactor str/mem-family functions
2025-02-10 15:20:47 +01:00
strcspn.c
newlib: libc: Improved the readability of strcspn with minor optimization
2023-12-19 23:23:31 -05:00
strdup_r.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
strdup.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
strerror_r.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
strerror.c
Add _REENT_ERRNO(ptr)
2022-07-13 06:55:41 +02:00
strings.tex
newlib: docs: add "Function " to every function node
2024-01-22 21:58:58 -05:00
strlcat.c
update OpenBSD string functions
2022-01-05 17:11:47 +01:00
strlcpy.c
update OpenBSD string functions
2022-01-05 17:11:47 +01:00
strlen.c
newlib: string: refactor str/mem-family functions
2025-02-10 15:20:47 +01:00
strlwr.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
strncasecmp_l.c
strcasecmp family: cast character to unsigned when calling tolower
2025-02-17 10:52:28 +01:00
strncasecmp.c
strcasecmp family: cast character to unsigned when calling tolower
2025-02-17 10:52:28 +01:00
strncat.c
Protect strncat from accessing an unaligend long pointer
2025-02-11 14:28:33 -05:00
strncmp.c
newlib: string: refactor str/mem-family functions
2025-02-10 15:20:47 +01:00
strncpy.c
newlib: string: refactor str/mem-family functions
2025-02-10 15:20:47 +01:00
strndup_r.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
strndup.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
strnlen.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
strnstr.c
string: remove TRAD_SYNOPSIS
2017-12-01 03:41:52 -06:00
strpbrk.c
Optimize strpbrk.c
2023-12-21 14:04:49 -05:00
strrchr.c
string: Fix buffer overrun in picolibc/newlib/libc/string/strrchr.c (#184)
2021-10-13 16:39:49 -04:00
strsep.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
strsignal.c
Add --enable-newlib-reent-thread-local option
2022-07-13 06:55:46 +02:00
strspn.c
newlib: libc: Improved the readability of strspn with minor optimization
2024-01-02 14:11:07 -05:00
strstr.c
strstr: avoid warnings
2021-09-03 12:51:30 +02:00
strtok_r.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
strtok.c
Add --enable-newlib-reent-thread-local option
2022-07-13 06:55:46 +02:00
strupr.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
strverscmp.c
fix strverscmp comparison of digit sequence with non-digits
2024-01-08 17:01:25 +01:00
strxfrm_l.c
string: remove TRAD_SYNOPSIS
2017-12-01 03:41:52 -06:00
strxfrm.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
swab.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
timingsafe_bcmp.c
Add timingsafe_bcmp()
2016-03-18 12:33:40 +01:00
timingsafe_memcmp.c
Add timingsafe_memcmp()
2016-03-18 12:33:40 +01:00
u_strerr.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
uniset
fix and amend scripts and makefile rules to generate Unicode data
2021-07-06 15:35:37 +02:00
wcpcpy.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
wcpncpy.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
wcscasecmp_l.c
string: remove TRAD_SYNOPSIS
2017-12-01 03:41:52 -06:00
wcscasecmp.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
wcscat.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
wcschr.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
wcscmp.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
wcscoll_l.c
string: remove TRAD_SYNOPSIS
2017-12-01 03:41:52 -06:00
wcscoll.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
wcscpy.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
wcscspn.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
wcsdup.c
string: remove TRAD_SYNOPSIS
2017-12-01 03:41:52 -06:00
wcslcat.c
update OpenBSD string functions
2022-01-05 17:11:47 +01:00
wcslcpy.c
update OpenBSD string functions
2022-01-05 17:11:47 +01:00
wcslen.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
wcsncasecmp_l.c
string: remove TRAD_SYNOPSIS
2017-12-01 03:41:52 -06:00
wcsncasecmp.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
wcsncat.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
wcsncmp.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
wcsncpy.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
wcsnlen.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
wcspbrk.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
wcsrchr.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
wcsspn.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
wcsstr.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
wcstok.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
wcstrings.tex
newlib: docs: add "Function " to every function node
2024-01-22 21:58:58 -05:00
wcswidth.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
wcsxfrm_l.c
string: remove TRAD_SYNOPSIS
2017-12-01 03:41:52 -06:00
wcsxfrm.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
wcwidth.c
Locale modifier "@cjksingle" to enforce single-width CJK width.
2020-02-18 11:35:42 +01:00
wide.t
newlib/libc/{ctype, string}/*.t: Unicode 15 character width and property tables
2023-02-20 11:01:18 +01:00
WIDTH-A
width data generation
2018-03-12 10:17:20 +01:00
wmemchr.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
wmemcmp.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
wmemcpy.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
wmemmove.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
wmempcpy.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
wmemset.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00
xpg_strerror_r.c
ansification: remove _DEFUN
2018-01-17 11:47:26 -06:00