auronandace
72 lines
2.9 KiB
Rust
72 lines
2.9 KiB
Rust
//! `limits.h` implementation.
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//!
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//! See <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/limits.h.html>.
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use core::ffi::c_long;
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pub const HOST_NAME_MAX: usize = 64;
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pub const NAME_MAX: usize = 255;
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pub const PASS_MAX: usize = 128;
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pub const PATH_MAX: usize = 4096;
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pub const NGROUPS_MAX: usize = 65536;
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// TODO: 4096 for most architectures as determined by a quick grep of musl's source; need a better
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// way to determine it for other archs or to hard code a value.
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#[cfg(target_os = "linux")]
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pub const PAGE_SIZE: usize = 4096;
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// These POSIX symbols must have these values regardless of OS
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pub const _POSIX_AIO_LISTIO_MAX: c_long = 2;
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pub const _POSIX_AIO_MAX: c_long = 1;
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pub const _POSIX_ARG_MAX: c_long = 4096;
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pub const _POSIX_CHILD_MAX: c_long = 25;
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pub const _POSIX_CLOCKRES_MIN: c_long = 20000000;
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pub const _POSIX_DELAYTIMER_MAX: c_long = 32;
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pub const _POSIX_HOST_NAME_MAX: c_long = 255;
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pub const _POSIX_LINK_MAX: c_long = 8;
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pub const _POSIX_LOGIN_NAME_MAX: c_long = 9;
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pub const _POSIX_MAX_CANON: c_long = 255;
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pub const _POSIX_MAX_INPUT: c_long = 255;
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pub const _POSIX_NAME_MAX: c_long = 14;
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pub const _POSIX_NGROUPS_MAX: c_long = 8;
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pub const _POSIX_OPEN_MAX: c_long = 20;
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pub const _POSIX_PATH_MAX: c_long = 256;
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pub const _POSIX_PIPE_BUF: c_long = 512;
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pub const _POSIX_RE_DUP_MAX: c_long = 255;
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pub const _POSIX_RTSIG_MAX: c_long = 8;
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pub const _POSIX_SEM_NSEMS_MAX: c_long = 256;
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pub const _POSIX_SEM_VALUE_MAX: c_long = 32767;
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pub const _POSIX_SIGQUEUE_MAX: c_long = 32;
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pub const _POSIX_SSIZE_MAX: c_long = 32767;
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pub const _POSIX_STREAM_MAX: c_long = 8;
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pub const _POSIX_SYMLINK_MAX: c_long = 255;
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pub const _POSIX_SYMLOOP_MAX: c_long = 8;
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pub const _POSIX_THREAD_DESTRUCTOR_ITERATIONS: c_long = 4;
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pub const _POSIX_THREAD_KEYS_MAX: c_long = 128;
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pub const _POSIX_THREAD_THREADS_MAX: c_long = 64;
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pub const _POSIX_TIMER_MAX: c_long = 32;
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pub const _POSIX_TTY_NAME_MAX: c_long = 9;
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pub const _POSIX_TZNAME_MAX: c_long = 6;
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pub const _POSIX2_BC_BASE_MAX: c_long = 99;
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pub const _POSIX2_BC_DIM_MAX: c_long = 2048;
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pub const _POSIX2_BC_SCALE_MAX: c_long = 99;
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pub const _POSIX2_BC_STRING_MAX: c_long = 1000;
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pub const _POSIX2_CHARCLASS_NAME_MAX: c_long = 14;
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pub const _POSIX2_COLL_WEIGHTS_MAX: c_long = 2;
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pub const _POSIX2_EXPR_NEST_MAX: c_long = 32;
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pub const _POSIX2_LINE_MAX: c_long = 2048;
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pub const _POSIX2_RE_DUP_MAX: c_long = 255;
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// These symbols must be at least the POSIX values, and sysconf will return the actual value between
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// the posix minimum and this maximum.
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pub const BC_BASE_MAX: c_long = _POSIX2_BC_BASE_MAX;
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pub const BC_DIM_MAX: c_long = _POSIX2_BC_DIM_MAX;
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pub const BC_SCALE_MAX: c_long = _POSIX2_BC_SCALE_MAX;
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pub const BC_STRING_MAX: c_long = _POSIX2_BC_STRING_MAX;
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pub const CHARCLASS_NAME_MAX: c_long = _POSIX2_CHARCLASS_NAME_MAX;
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pub const COLL_WEIGHTS_MAX: c_long = _POSIX2_COLL_WEIGHTS_MAX;
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pub const EXPR_NEST_MAX: c_long = _POSIX2_EXPR_NEST_MAX;
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pub const LINE_MAX: c_long = _POSIX2_LINE_MAX;
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pub const RE_DUP_MAX: c_long = _POSIX2_RE_DUP_MAX;
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