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ladybird/Userland/Libraries/LibC/limits.h

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Meta: Add license header to source files As suggested by Joshua, this commit adds the 2-clause BSD license as a comment block to the top of every source file. For the first pass, I've just added myself for simplicity. I encourage everyone to add themselves as copyright holders of any file they've added or modified in some significant way. If I've added myself in error somewhere, feel free to replace it with the appropriate copyright holder instead. Going forward, all new source files should include a license header.
2020-01-18 09:38:21 +01:00
/*
Kernel+LibC: Enforce a limit on the number of supplementary group IDs This patch adds the NGROUPS_MAX constant and enforces it in sys$setgroups() to ensure that no process has more than 32 supplementary group IDs. The number doesn't mean anything in particular, just had to pick a number. Perhaps one day we'll have a reason to change it.
2022-08-20 22:22:58 +02:00
* Copyright (c) 2018-2022, Andreas Kling <kling@serenityos.org>
Meta: Add license header to source files As suggested by Joshua, this commit adds the 2-clause BSD license as a comment block to the top of every source file. For the first pass, I've just added myself for simplicity. I encourage everyone to add themselves as copyright holders of any file they've added or modified in some significant way. If I've added myself in error somewhere, feel free to replace it with the appropriate copyright holder instead. Going forward, all new source files should include a license header.
2020-01-18 09:38:21 +01:00
*
Everything: Move to SPDX license identifiers in all files. SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
2021-04-22 01:24:48 -07:00
* SPDX-License-Identifier: BSD-2-Clause
Meta: Add license header to source files As suggested by Joshua, this commit adds the 2-clause BSD license as a comment block to the top of every source file. For the first pass, I've just added myself for simplicity. I encourage everyone to add themselves as copyright holders of any file they've added or modified in some significant way. If I've added myself in error somewhere, feel free to replace it with the appropriate copyright holder instead. Going forward, all new source files should include a license header.
2020-01-18 09:38:21 +01:00
*/
Add getwd().
2018-11-06 15:59:57 +01:00
#pragma once
Kernel+LibC: Enforce a limit on the number of supplementary group IDs This patch adds the NGROUPS_MAX constant and enforces it in sys$setgroups() to ensure that no process has more than 32 supplementary group IDs. The number doesn't mean anything in particular, just had to pick a number. Perhaps one day we'll have a reason to change it.
2022-08-20 22:22:58 +02:00
#include <Kernel/API/POSIX/sys/limits.h>
Kernel+LibC+LibELF: Set stack size based on PT_GNU_STACK during execve Some programs explicitly ask for a different initial stack size than what the OS provides. This is implemented in ELF by having a PT_GNU_STACK header which has its p_memsz set to the amount that the program requires. This commit implements this policy by reading the p_memsz of the header and setting the main thread stack size to that. ELF::Image::validate_program_headers ensures that the size attribute is a reasonable value.
2022-10-01 19:29:59 +00:00
#include <Kernel/API/serenity_limits.h>
LibC: Fix misplaced #include in limits.h posix1_lim.h only defines macros that start with _POSIX_*, and don't mention anything that might be defined in limits.h. Likewise, limits.h uses none of the _POSIX_* macros. Thus, it is okay to change the order of imports.
2022-09-18 01:33:28 +02:00
#include <bits/posix1_lim.h>
Libc: make library internal includes come from private include namespace
2019-10-11 10:50:42 +01:00
#include <bits/stdint.h>
LibC: Implement ungetwc()
2021-12-19 23:29:21 +03:30
#include <bits/wchar.h>
Miscellaneous compat work while seeing if GNU coreutils would build.
2018-11-07 10:23:16 +01:00
LibC: Added execlp method and new pathconf setting Added execlp method, and _PC_PIPE_BUF setting to pathconf method.
2019-11-16 02:35:48 -06:00
#define PIPE_BUF 4096
Miscellaneous compat work while seeing if GNU coreutils would build.
2018-11-07 10:23:16 +01:00
#define INT_MAX INT32_MAX
#define INT_MIN INT32_MIN
Make bash-2.05b build with minimal changes. This is really neat. :^)
2018-11-17 00:11:08 +01:00
Various stubs while trying to get an old coreutils to build.
2018-11-17 15:56:09 +01:00
#define UINT_MAX UINT32_MAX
Make bash-2.05b build with minimal changes. This is really neat. :^)
2018-11-17 00:11:08 +01:00
#define CHAR_BIT 8
#define SCHAR_MIN (-128)
#define SCHAR_MAX 127
#define UCHAR_MAX 255
Various stubs while trying to get an old coreutils to build.
2018-11-17 15:56:09 +01:00
LibC: Fix max value of short
2023-07-08 18:07:53 +02:00
#define SHRT_MAX 32767
LibC: Make <limits.h> compatible with GCC so that it doesn't install a fixed header GCC installs a fixed version of the <limits.h> header as per https://gcc.gnu.org/onlinedocs/gcc/Fixed-Headers.html. The fixed header doesn't include the target's <limits.h> which in turn means that some definitions (such as PATH_MAX) aren't available. This change requires rebuilding the toolchain (Toolchain/BuildIt.sh). This fixes the flatbuffers port. The commit also removes some non-standard defines (U*_MIN) which don't appear to be used anywhere. By definition they're always 0 though so they're not strictly necessary.
2021-04-11 05:10:35 +02:00
#define SHRT_MIN (-SHRT_MAX - 1)
#define USHRT_MAX 65535
LibC: Fix incorrect limit for SSIZE_MAX and remove 32 bit definitions The file `limits.h` had definitions for x86. This PR removes these definitions and fixes the upper limit for the type ssize_t which was defined to be 0x7fffffff.
2023-01-14 19:51:41 +00:00
#define LONG_MAX 9223372036854775807L
Various stubs while trying to get an old coreutils to build.
2018-11-17 15:56:09 +01:00
#define LONG_MIN (-LONG_MAX - 1L)
LibC: Fix incorrect limit for SSIZE_MAX and remove 32 bit definitions The file `limits.h` had definitions for x86. This PR removes these definitions and fixes the upper limit for the type ssize_t which was defined to be 0x7fffffff.
2023-01-14 19:51:41 +00:00
#define ULONG_MAX 18446744073709551615UL
LibC: Use more flexible digit parsing code, deduplicate
2020-05-10 23:01:26 +02:00
LibC: Misc additions
2019-10-02 22:48:14 +03:00
#define LONG_LONG_MAX 9223372036854775807LL
#define LONG_LONG_MIN (-LONG_LONG_MAX - 1LL)
LibC: Make <limits.h> compatible with GCC so that it doesn't install a fixed header GCC installs a fixed version of the <limits.h> header as per https://gcc.gnu.org/onlinedocs/gcc/Fixed-Headers.html. The fixed header doesn't include the target's <limits.h> which in turn means that some definitions (such as PATH_MAX) aren't available. This change requires rebuilding the toolchain (Toolchain/BuildIt.sh). This fixes the flatbuffers port. The commit also removes some non-standard defines (U*_MIN) which don't appear to be used anywhere. By definition they're always 0 though so they're not strictly necessary.
2021-04-11 05:10:35 +02:00
#define LLONG_MAX LONG_LONG_MAX
#define LLONG_MIN LONG_LONG_MIN
LibC: Use more flexible digit parsing code, deduplicate
2020-05-10 23:01:26 +02:00
#define ULONG_LONG_MAX 18446744073709551615ULL
LibC: Define ULLONG_MAX Some ports require this constant to be defined as it is specified in the standard[1]. [1] https://www.cplusplus.com/reference/climits/
2021-10-17 15:33:26 -07:00
#define ULLONG_MAX ULONG_LONG_MAX
LibC: Use more flexible digit parsing code, deduplicate
2020-05-10 23:01:26 +02:00
Various stubs while trying to get an old coreutils to build.
2018-11-17 15:56:09 +01:00
#define CHAR_MIN SCHAR_MIN
#define CHAR_MAX SCHAR_MAX
LibC: Make <limits.h> compatible with GCC so that it doesn't install a fixed header GCC installs a fixed version of the <limits.h> header as per https://gcc.gnu.org/onlinedocs/gcc/Fixed-Headers.html. The fixed header doesn't include the target's <limits.h> which in turn means that some definitions (such as PATH_MAX) aren't available. This change requires rebuilding the toolchain (Toolchain/BuildIt.sh). This fixes the flatbuffers port. The commit also removes some non-standard defines (U*_MIN) which don't appear to be used anywhere. By definition they're always 0 though so they're not strictly necessary.
2021-04-11 05:10:35 +02:00
#define CHAR_WIDTH 8
#define SCHAR_WIDTH 8
#define UCHAR_WIDTH 8
#define SHRT_WIDTH 16
#define USHRT_WIDTH 16
#define INT_WIDTH 32
#define UINT_WIDTH 32
#define LONG_WIDTH 32
#define ULONG_WIDTH 32
#define LLONG_WIDTH 64
#define ULLONG_WIDTH 64
LibC: Fix incorrect limit for SSIZE_MAX and remove 32 bit definitions The file `limits.h` had definitions for x86. This PR removes these definitions and fixes the upper limit for the type ssize_t which was defined to be 0x7fffffff.
2023-01-14 19:51:41 +00:00
#define SSIZE_MAX LONG_MAX
LibC: Add POSIX1 minimum limits to limits.h
2020-11-09 16:24:21 +00:00
LibC: Add LINK_MAX and _PC_LINK_MAX LINK_MAX was set arbitrarily to 4096, this is not an actual system limit.
2021-07-23 00:34:22 -06:00
#define LINK_MAX 4096
LibC: Define the POSIX TZNAME_MAX limit POSIX defines this as the "Maximum number of bytes supported for the name of a timezone (not of the TZ variable)." It must have a minimum value of _POSIX_TZNAME_MAX (6). The longest time zone name in the TZDB is about 40 chars, so 64 is chosen here for a little wiggle room, and to round up to a power of 2.
2022-01-24 07:47:49 -05:00
#define TZNAME_MAX 64
LibC: Implement getpass() This function is a deprecated POSIX function which prints a prompt and receives a password from the user, not echoing back to the terminal.
2022-10-28 15:37:20 +02:00
#define PASS_MAX 128
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