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update and add spec links to regex

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This commit is contained in:
auronandace
2025-12-12 21:06:15 +00:00
parent 9db10bb0a9
commit 2b4c2f9ddf
1 changed files with 10 additions and 1 deletions
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src/header/regex/mod.rs
+10 -1
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@@ -1,12 +1,16 @@
//! regex.h implementation, following http://pubs.opengroup.org/onlinepubs/7908799/xsh/regex.h.html
//! `regex.h` implementation.
//!
//! See <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/regex.h.html>.
use crate::{header::string::strlen, platform::types::*};
use alloc::{borrow::Cow, boxed::Box};
use core::{mem, ptr, slice};
use posix_regex::{PosixRegex, PosixRegexBuilder, compile::Error as CompileError, tree::Tree};
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/regex.h.html>.
pub type regoff_t = size_t;
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/regex.h.html>.
#[repr(C)]
pub struct regex_t {
// Points to a posix_regex::Tree
@@ -15,6 +19,7 @@ pub struct regex_t {
re_nsub: size_t,
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/regex.h.html>.
#[repr(C)]
pub struct regmatch_t {
rm_so: regoff_t,
@@ -43,6 +48,7 @@ pub const REG_ERANGE: c_int = 12;
pub const REG_ESPACE: c_int = 13;
pub const REG_BADRPT: c_int = 14;
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/regcomp.html>.
#[unsafe(no_mangle)]
#[linkage = "weak"] // redefined in GIT
pub unsafe extern "C" fn regcomp(out: *mut regex_t, pat: *const c_char, cflags: c_int) -> c_int {
@@ -74,12 +80,14 @@ pub unsafe extern "C" fn regcomp(out: *mut regex_t, pat: *const c_char, cflags:
}
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/regfree.html>.
#[unsafe(no_mangle)]
#[linkage = "weak"] // redefined in GIT
pub unsafe extern "C" fn regfree(regex: *mut regex_t) {
Box::from_raw((*regex).ptr);
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/regexec.html>.
#[unsafe(no_mangle)]
#[linkage = "weak"] // redefined in GIT
pub unsafe extern "C" fn regexec(
@@ -120,6 +128,7 @@ pub unsafe extern "C" fn regexec(
if matches.is_empty() { REG_NOMATCH } else { 0 }
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/regerror.html>.
#[unsafe(no_mangle)]
#[linkage = "weak"] // redefined in GIT
pub extern "C" fn regerror(