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nuttx/libs/libc
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Bowen Wang c119a0c0fd libs/libc/string: Fix sign extension in memset word fill pattern. 
When the 'c' parameter has bit 7 set (e.g. 0x80), the int value gets
sign extended (to 0xffffff80 on the signed char platforms).  The word
sized fill pattern was built without truncating to unsigned char
first, so the fast word aligned path wrote the wrong bytes.

Fix both lib_memset.c and lib_bsdmemset.c by casting 'c' to unsigned
char before building the fill pattern, as required by C11 7.24.6.1
which states that memset converts 'c' to unsigned char.

Assisted-by: Claude:claude-opus-5
Signed-off-by: Bowen Wang <wangbowen6@xiaomi.com>
2026-08-17 10:47:33 +02:00
..
aio include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
assert lib_stackchk.c: a duplicate implementation error reported during compilation 2026-02-02 13:22:07 +08:00
audio include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
builtin libc/builtin: support per-application priority/stacksize under KERNEL build. 2026-07-13 15:23:39 -03:00
ctype style: fix spelling in code comments and strings 2025-05-23 10:48:41 +08:00
dirent libs/libc/dirent: preserve errno on readdir() end-of-directory 2026-06-02 23:34:25 +08:00
dlfcn libc/dlfcn: Count opens so a library can be shared. 2026-08-04 11:12:49 -03:00
elf cmake: Use NUTTX(_DIR/_BIN_DIR) instead CMAKE(_SRC_DIR/_BIN_DIR) 2026-08-09 11:13:08 -03:00
errno libs/libc: migrate to SPDX identifier 2024-10-01 12:25:52 +08:00
eventfd libs/libc: migrate to SPDX identifier 2024-10-01 12:25:52 +08:00
fdt cmake: Use NUTTX(_DIR/_BIN_DIR) instead CMAKE(_SRC_DIR/_BIN_DIR) 2026-08-09 11:13:08 -03:00
fixedmath !compiler: drop CONFIG_HAVE_LONG_LONG and require long long support 2026-05-19 16:21:28 +08:00
gdbstub arch/arm64: fix backtrace register access and gdbstub config guard 2026-01-16 08:55:47 -03:00
gnssutils cmake: Use NUTTX(_DIR/_BIN_DIR) instead CMAKE(_SRC_DIR/_BIN_DIR) 2026-08-09 11:13:08 -03:00
grp libs/libc/grp: fix getgrbuf_r() pointer-alignment padding 2026-08-14 10:20:52 +08:00
hex2bin include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
inttypes !compiler: drop CONFIG_HAVE_LONG_LONG and require long long support 2026-05-19 16:21:28 +08:00
libgen libs/libc: migrate to SPDX identifier 2024-10-01 12:25:52 +08:00
locale style/FAR: remove FAR qualifier 2025-11-10 10:56:29 +01:00
lzf !compiler: drop CONFIG_HAVE_LONG_LONG and require long long support 2026-05-19 16:21:28 +08:00
machine libs/libc/risc-v: Refresh memcpy and memset with XLEN-adaptive loops. 2026-08-12 10:24:01 +08:00
misc libc/crc32: add IEEE-compatible crc32_ieee for Linux/zlib interop 2026-07-03 10:18:28 +08:00
net include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
netdb libs/libc/netdb: Size an answer header by its header, not by its union. 2026-08-08 15:02:15 -03:00
obstack include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
pthread arch, sched/signal: Fix compilation with ENABLE_PARTIAL_SIGNALS=y 2026-06-16 17:07:32 +08:00
pwd sched: add supplementary group IDs (setgroups/getgroups/initgroups) 2026-08-12 16:06:03 -03:00
queue libs/libc: migrate to SPDX identifier 2024-10-01 12:25:52 +08:00
regex libs/libc/regex: remove logically dead code in regcomp.c 2026-01-24 19:28:56 +08:00
sched include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
search libc/search: add foreach api for hcreate_data 2025-12-25 09:39:03 +08:00
semaphore sched/semaphore: Keep a negative task id out of the mutex holder. 2026-08-09 10:05:30 +08:00
signal sched/signal: Add support for disabling all signal functions 2026-01-18 08:24:13 -03:00
spawn spawn: allow zero stacksize/priority to use binary loader defaults 2026-07-15 12:24:44 -03:00
stdio !include/fcntl.h: align open flags with Linux values 2026-06-30 13:43:44 +08:00
stdlib libs/libc: support explicit bases up to 36 2026-08-01 20:08:32 +08:00
stream libc/stream: Check lowout bounds before access 2026-07-06 09:02:22 +02:00
string libs/libc/string: Fix sign extension in memset word fill pattern. 2026-08-17 10:47:33 +02:00
symtab libs/libc/symtab: fix bogus symbol size under SYMTAB_ORDEREDBYNAME 2026-08-05 21:51:25 +08:00
syslog drivers/syslog: Add RFC 5424 protocol support 2025-06-13 20:26:57 +08:00
termios drivers/serial: add job-control TTY ioctls and libc wrappers 2026-06-23 16:26:53 -03:00
time libc/time: Fix POSIX timezone string parsing. 2026-07-25 19:54:18 +08:00
tls libc/tls: update preprocessor condition comment to match implementation 2026-01-31 02:49:10 +08:00
uio move readv/writev to the kernel 2024-10-30 17:07:54 +08:00
unistd libc: add wait4() 2026-08-14 10:20:52 +08:00
userfs include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
uuid libc: Refine the arc4random_buf implementation 2024-10-26 18:04:21 -03:00
wchar style: fix spelling in code comments and strings 2025-05-23 10:48:41 +08:00
wctype libs/libc: migrate to SPDX identifier 2024-10-01 12:25:52 +08:00
wqueue !sched/clock: remove CONFIG_SYSTEM_TIME64 and always use 64-bit time 2026-05-19 16:21:28 +08:00
zoneinfo tools: fix stale archive members surviving a Kconfig-driven CSRCS change 2026-07-28 21:26:03 -03:00
.gitignore libc/elf: rename modlib to libelf 2025-04-11 09:43:22 +08:00
CMakeLists.txt libs/libc: migrate to SPDX identifier 2024-10-01 12:25:52 +08:00
Kconfig libc/elf: rename modlib to libelf 2025-04-11 09:43:22 +08:00
libc.csv !sched/arch/libc: Give fork() and vfork() their real, separate semantics. 2026-08-10 08:57:30 -03:00
libc.h libs/libc/string: Use long long to speed up the BSD string functions. 2026-08-17 10:47:33 +02:00
limits_check.c libs/libc: add limits checks 2026-07-02 09:02:21 -03:00
Makefile tools: fix stale archive members surviving a Kconfig-driven CSRCS change 2026-07-28 21:26:03 -03:00