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Author SHA1 Message Date
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
guoshichao
cd6a978ba9 arm64_head.S: fix the asm code build error 
Add __ASSEMBLY__ protection in stddef.h and stdint.h to prevent assembly
files from attempting to parse C typedef statements, which causes
"unknown mnemonic" errors when assembly source includes these headers.

the following are the detailed build error:
/home/guoshichao/work_profile/vela_os/vela_open_source_trunk4/nuttx/include/stdint.h:167: Error: unknown mnemonic `typedef' -- `typedef _int8_t int8_t'
/home/guoshichao/work_profile/vela_os/vela_open_source_trunk4/nuttx/include/stdint.h:168: Error: unknown mnemonic `typedef' -- `typedef _uint8_t uint8_t'
/home/guoshichao/work_profile/vela_os/vela_open_source_trunk4/nuttx/include/stdint.h:170: Error: unknown mnemonic `typedef' -- `typedef _int16_t int16_t'
/home/guoshichao/work_profile/vela_os/vela_open_source_trunk4/nuttx/include/stdint.h:171: Error: unknown mnemonic `typedef' -- `typedef _uint16_t uint16_t'
/home/guoshichao/work_profile/vela_os/vela_open_source_trunk4/nuttx/include/stdint.h:178: Error: unknown mnemonic `typedef' -- `typedef _int32_t int32_t'
/home/guoshichao/work_profile/vela_os/vela_open_source_trunk4/nuttx/include/stdint.h:179: Error: unknown mnemonic `typedef' -- `typedef _uint32_t uint32_t'
/home/guoshichao/work_profile/vela_os/vela_open_source_trunk4/nuttx/include/stdint.h:193: Error: unknown mnemonic `typedef' -- `typedef _int8_t int_least8_t'
/home/guoshichao/work_profile/vela_os/vela_open_source_trunk4/nuttx/include/stdint.h:194: Error: unknown mnemonic `typedef' -- `typedef _uint8_t uint_least8_t'
/home/guoshichao/work_profile/vela_os/vela_open_source_trunk4/nuttx/include/stdint.h:196: Error: unknown mnemonic `typedef' -- `typedef _int16_t int_least16_t'
/home/guoshichao/work_profile/vela_os/vela_open_source_trunk4/nuttx/include/stdint.h:197: Error: unknown mnemonic `typedef' -- `typedef _uint16_t uint_least16_t'
/home/guoshichao/work_profile/vela_os/vela_open_source_trunk4/nuttx/include/stdint.h:203: Error: unknown mnemonic `typedef' -- `typedef _int32_t int_least24_t'

Signed-off-by: guoshichao <guoshichao@xiaomi.com>
 2026-01-13 21:20:52 +08:00
Alin Jerpelea
cd2fcf5252 include: migrate to SPDX identifier 
Most tools used for compliance and SBOM generation use SPDX identifiers
This change brings us a step closer to an easy SBOM generation.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
 2024-10-04 08:18:42 +08:00
zhuyanlin
3c58b01721 stddef: Let offset be defined from toolchain 
Let `offset` could be defined from toolchain,
Which will be usefull for fixed code project.
 2021-08-27 08:55:45 -07:00
Alin Jerpelea
9b9be7e1f0 include: Author: Gregory Nutt: update licenses to Apache 2.0 
Update files from Gregory Nutt to Apache 2.0 license.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
 2021-02-04 03:33:58 -08:00
Xiang Xiao
f90968ace4 stddef.h: Add max_align_t typedef 
defined by C11:
https://en.cppreference.com/w/c/types/max_align_t

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: I6f6094d054c475031ff83f648aa43f482d86b930
 2020-05-27 05:40:37 -06:00
Xiang Xiao
894ca622e6 nclude/sys/types: Move wint_t and wctype_t from wchar.h to types.h. This change is compatible as before since wchar.h include types.h indirectly. This fixes a compilation error with newlib's math.h: 'unknown type name wint_t' 2018-08-27 06:26:37 -06:00
Gregory Nutt
c73d3e9c5f Remove comments that no longer apply. clocale should not do anyting if CONFIG_LIBC_LOCALE is not defined. 2016-10-19 07:06:43 -06:00
Gregory Nutt
6230e6e199 size_t should be 64-bits on a 64-bit machine. mmsize_t should be 32-bits (unless CONFIG_MM_SMALL is selected). This commit backs out the last change to stddef.h 2015-11-23 12:03:36 -06:00
Gregory Nutt
25ab59bf80 stddef.h: Use a round-about cast in the definition of offsetof() to avoid warnings on machines with 64 bit addresses and when size_t is less than 64-bits. 2015-11-23 07:11:05 -06:00
Gregory Nutt
0610be935d prtdiff_t: Defined in both stddef and sys/types 2014-02-25 12:40:49 -06:00
Gregory Nutt
752068073a Forgot to add stpcpy.c in last commit 2014-01-10 07:09:59 -06:00
Gregory Nutt
a128cd0438 Flesh out stddefs.h 2014-01-09 15:49:54 -06:00
patacongo
8e5733ae3f Header file clean-up 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4948 42af7a65-404d-4744-a932-0658087f49c3
 2012-07-17 03:58:11 +00:00
patacongo
eeec4073a9 Switching to C99 stdint.h types 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2340 42af7a65-404d-4744-a932-0658087f49c3
 2009-12-14 23:32:23 +00:00
patacongo
b918dac0c3 Add pipe() 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@779 42af7a65-404d-4744-a932-0658087f49c3
 2008-07-26 13:12:11 +00:00
patacongo
b08a86171f NuttX RTOS 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3 42af7a65-404d-4744-a932-0658087f49c3
 2007-02-17 23:21:28 +00:00