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nuttx/libs/libc/misc
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Xiang Xiao c32b683085 !compiler: drop CONFIG_HAVE_LONG_LONG and require long long support 
Every compiler supported by NuttX provides the "long long" types,
so the CONFIG_HAVE_LONG_LONG indirection is no longer useful.
Remove the option from include/nuttx/compiler.h and treat
"long long" as unconditionally available across the OS.

In addition to deleting the guard itself, this commit unconditionally
enables the long-long flavored helpers that used to be gated behind
it:

  - libs/libc/fixedmath: drop the soft-emulated b32/ub32 routines
    in lib_fixedmath.c (-261 lines) and trim the matching
    prototypes, Make.defs and CMakeLists.txt entries; keep only
    the long-long backed implementations.
  - include/sys/endian.h, include/strings.h, libs/libc/string
    /lib_ffsll.c, lib_flsll.c: always expose the 64-bit byte-swap
    and ffsll/flsll variants.
  - libs/libm/libm/lib_llround{,f,l}.c: drop the empty stubs.
  - libs/libc/stdlib (atoll, llabs, lldiv, strtoll/ull, rand48,
    strtold), libs/libc/stream (libvsprintf, libvscanf,
    libbsprintf, ultoa_invert), libs/libc/misc (crc64, crc64emac),
    libs/libc/inttypes/strtoimax, libs/libc/lzf, libs/libc/libc.csv,
    libs/libc/string (memset, vikmemcpy): remove the
    #ifdef CONFIG_HAVE_LONG_LONG branches.
  - include/{stddef.h,stdlib.h,fixedmath.h,sys/epoll.h,cxx/cstdlib,
    nuttx/audio/audio.h,nuttx/crc64.h,nuttx/lib/math.h,
    nuttx/lib/math32.h,nuttx/lib/stdbit.h}: same guard cleanup.
  - drivers/note/note_driver.c, fs/spiffs/src/spiffs.h,
    sched/irq/irq_procfs.c: drop their local guards as well.
  - Documentation/applications/netutils/ntpclient/index.rst:
    refresh the documentation snippet.

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2026-05-19 16:21:28 +08:00
..
CMakeLists.txt libs/crc: implement AUTOSAR-compatible CRC algorithm 2026-01-30 17:32:15 +08:00
Kconfig libs/libc: add configurable skip count for mutex backtrace addresses 2026-02-27 19:54:37 +08:00
lib_backtrace.c lib/backtrace:need init lock before use 2025-12-22 15:23:04 +08:00
lib_bitmap.c style: fix spelling in code comments and strings 2025-05-23 10:48:41 +08:00
lib_circbuf.c circbuf: fix circbuf_get_read/writeptr return *size = 0 when circbuf full 2024-10-16 16:59:51 +08:00
lib_crc8.c libs/libc: migrate to SPDX identifier 2024-10-01 12:25:52 +08:00
lib_crc8ccitt.c libs/libc: migrate to SPDX identifier 2024-10-01 12:25:52 +08:00
lib_crc8h1d.c libs/crc: implement AUTOSAR-compatible CRC algorithm 2026-01-30 17:32:15 +08:00
lib_crc8h2f.c libs/crc: implement AUTOSAR-compatible CRC algorithm 2026-01-30 17:32:15 +08:00
lib_crc8rohc.c libc/crc: Add crc8rohcincr for incremental CRC8 ROHC calculation 2025-09-30 17:30:46 -03:00
lib_crc8table.c libs/libc: migrate to SPDX identifier 2024-10-01 12:25:52 +08:00
lib_crc16.c libs/libc/crc16: Separate implementation of crc16xmodem from crc16 2025-04-10 16:47:28 +08:00
lib_crc16ccitt.c libs/libc/crc16: move crc16 table to rodata 2025-04-07 09:02:01 +08:00
lib_crc16h1021.c libs/crc: implement AUTOSAR-compatible CRC algorithm 2026-01-30 17:32:15 +08:00
lib_crc16h8005.c libs/crc: implement AUTOSAR-compatible CRC algorithm 2026-01-30 17:32:15 +08:00
lib_crc16ibm.c libs/libc/crc16: add support of CRC-16/ANSI(aka CRC-16/IBM) 2025-04-07 12:10:05 +08:00
lib_crc16xmodem.c libs/libc/crc16: Separate implementation of crc16xmodem from crc16 2025-04-10 16:47:28 +08:00
lib_crc32.c libc/arm: optimize crc32/crc32c for arm 2025-04-04 09:51:50 -03:00
lib_crc32h04c11db7.c libs/crc: implement AUTOSAR-compatible CRC algorithm 2026-01-30 17:32:15 +08:00
lib_crc32hf4acfb13.c libs/crc: implement AUTOSAR-compatible CRC algorithm 2026-01-30 17:32:15 +08:00
lib_crc64.c !compiler: drop CONFIG_HAVE_LONG_LONG and require long long support 2026-05-19 16:21:28 +08:00
lib_crc64emac.c !compiler: drop CONFIG_HAVE_LONG_LONG and require long long support 2026-05-19 16:21:28 +08:00
lib_creat.c libc: add creat function implementation 2026-01-16 01:38:20 +08:00
lib_cxx_initialize.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
lib_debug.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
lib_dumpbuffer.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
lib_dumpvbuffer.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
lib_envpath.c style: fix spelling in code comments and strings 2025-05-23 10:48:41 +08:00
lib_err.c lib_libvsprintf.c:add option in Kconfig to control "%p*" special format specifier. 2024-10-15 15:33:13 +08:00
lib_fchmodat.c Use lib_get_pathbuffer instead of stack variables 2024-11-12 17:21:42 +08:00
lib_fdcheck.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
lib_fdsan.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
lib_fnmatch.c libs/libc: migrate to SPDX identifier 2024-10-01 12:25:52 +08:00
lib_fstatat.c Use lib_get_pathbuffer instead of stack variables 2024-11-12 17:21:42 +08:00
lib_ftok.c libs/libc/ftok: fix sizeof(char *), after tempbuffer 2026-01-13 01:59:58 +08:00
lib_getfullpath.c libs/libc: migrate to SPDX identifier 2024-10-01 12:25:52 +08:00
lib_getnprocs.c libs/libc: migrate to SPDX identifier 2024-10-01 12:25:52 +08:00
lib_getrandom.c libs/libc: migrate to SPDX identifier 2024-10-01 12:25:52 +08:00
lib_glob.c libs: unify Private Types banners 2025-05-28 10:17:15 +08:00
lib_idr.c libc/idr: Remove nodes from RB trees during destroy 2025-07-12 14:24:32 +08:00
lib_impure.c libs/libc: migrate to SPDX identifier 2024-10-01 12:25:52 +08:00
lib_instrument.c style: fix spelling in code comments and strings 2025-05-23 10:48:41 +08:00
lib_kbddecode.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
lib_kbdencode.c libs/libc: migrate to SPDX identifier 2024-10-01 12:25:52 +08:00
lib_mallopt.c libs/libc: migrate to SPDX identifier 2024-10-01 12:25:52 +08:00
lib_memfd.c libc/shmfs: Ensure uniqueness of memfd. 2026-01-22 22:11:17 +08:00
lib_mkdirat.c Use lib_get_pathbuffer instead of stack variables 2024-11-12 17:21:42 +08:00
lib_mkfifo.c Use lib_get_pathbuffer instead of stack variables 2024-11-12 17:21:42 +08:00
lib_mknod.c Use lib_get_pathbuffer instead of stack variables 2024-11-12 17:21:42 +08:00
lib_mutex.c libs/libc: add configurable skip count for mutex backtrace addresses 2026-02-27 19:54:37 +08:00
lib_ncompress.c style: fix spelling in code comments and strings 2025-05-23 10:48:41 +08:00
lib_note.c driver/note: Fix compilation error when CONFIG_SYSLOG_TO_SCHED_NOTE=y 2026-01-23 07:48:08 -03:00
lib_openat.c Use lib_get_pathbuffer instead of stack variables 2024-11-12 17:21:42 +08:00
lib_slcddecode.c include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
lib_slcdencode.c libs/libc: migrate to SPDX identifier 2024-10-01 12:25:52 +08:00
lib_tea_decrypt.c libs/libc: migrate to SPDX identifier 2024-10-01 12:25:52 +08:00
lib_tea_encrypt.c libs/libc: migrate to SPDX identifier 2024-10-01 12:25:52 +08:00
lib_tempbuffer.c libs/lib_tempbuffer: set errno when fails 2025-01-17 08:16:14 +08:00
lib_uadd32x64.c libs/libc: migrate to SPDX identifier 2024-10-01 12:25:52 +08:00
lib_uadd64.c libs/libc: migrate to SPDX identifier 2024-10-01 12:25:52 +08:00
lib_umask.c libs/libc: migrate to SPDX identifier 2024-10-01 12:25:52 +08:00
lib_umul32.c libs/libc: migrate to SPDX identifier 2024-10-01 12:25:52 +08:00
lib_umul32x64.c libs/libc: migrate to SPDX identifier 2024-10-01 12:25:52 +08:00
lib_umul64.c libs/libc: migrate to SPDX identifier 2024-10-01 12:25:52 +08:00
lib_usub64.c libs/libc: migrate to SPDX identifier 2024-10-01 12:25:52 +08:00
lib_usub64x32.c libs/libc: migrate to SPDX identifier 2024-10-01 12:25:52 +08:00
lib_utimensat.c Use lib_get_pathbuffer instead of stack variables 2024-11-12 17:21:42 +08:00
lib_utsname.c libc/utsname: Only store version in RAM, use rodata for all others 2024-10-12 15:36:28 +08:00
lib_xorshift128.c libs/libc: migrate to SPDX identifier 2024-10-01 12:25:52 +08:00
Make.defs arch/*/src/Makefile: Avoid uncessary relinking of the nuttx binary. 2026-05-18 09:33:58 +02:00