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Add resolv #4618

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5 changes: 5 additions & 0 deletions libc-test/semver/linux.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -4410,6 +4410,11 @@ regmatch_t
regoff_t
remap_file_pages
removexattr
res_mkquery
res_query
res_querydomain
res_search
res_send
rlim64_t
rlimit64
rtentry
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46 changes: 46 additions & 0 deletions src/unix/linux_like/mod.rs
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Expand Up @@ -1262,6 +1262,11 @@ pub const PIPE_BUF: usize = 4096;

pub const SI_LOAD_SHIFT: c_uint = 16;

// arpa/nameser.h
pub const T_A: c_int = 1;
pub const T_CNAME: c_int = 5;
pub const C_IN: c_int = 1;

// si_code values
pub const SI_USER: c_int = 0;
pub const SI_KERNEL: c_int = 0x80;
Expand Down Expand Up @@ -2101,6 +2106,47 @@ extern "C" {
buflen: size_t,
result: *mut *mut passwd,
) -> c_int;

// <resolv.h>
pub fn res_query(
dname: *const c_char,
class: c_int,
kind: c_int,
answer: *mut c_uchar,
anslen: c_int,
) -> c_int;
pub fn res_search(
dname: *const c_char,
class: c_int,
kind: c_int,
answer: *mut c_uchar,
anslen: c_int,
) -> c_int;
pub fn res_querydomain(
name: *const c_char,
domain: *const c_char,
class: c_int,
kind: c_int,
answer: *mut c_uchar,
anslen: c_int,
) -> c_int;
pub fn res_mkquery(
op: c_int,
dname: *const c_char,
class: c_int,
kind: c_int,
data: *const c_uchar,
datalen: c_int,
newrr: *const c_uchar,
buf: *mut c_uchar,
buflen: c_int,
) -> c_int;
Comment on lines +2133 to +2143

@tgross35 tgross35 Aug 10, 2025

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This doesn't seem to match the definitions linked at #4611: those have data as const and followed by an integer

@devnexen devnexen Aug 11, 2025

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also few arguments misplacements see above my comment and on linux it should be linked to libresolv.

pub fn res_send(
msg: *const c_uchar,
msglen: c_int,
answer: *mut c_uchar,
anslen: c_int,
) -> c_int;
}

// LFS64 extensions
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