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adding SUN_LEN macro to linux glibc/musl #4269

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adding SUN_LEN macro to linux glibc/musl #4269

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1 change: 1 addition & 0 deletions libc-test/semver/linux-gnu.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -448,6 +448,7 @@ STA_PPSTIME
STA_PPSWANDER
STA_RONLY
STA_UNSYNC
SUN_LEN
ST_RELATIME
SYSFS_MAGIC
TCA_CHAIN
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1 change: 1 addition & 0 deletions libc-test/semver/linux-musl.txt
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Expand Up @@ -36,6 +36,7 @@ RWF_DSYNC
RWF_HIPRI
RWF_NOWAIT
RWF_SYNC
SUN_LEN
USER_PROCESS
_CS_V6_ENV
_CS_V7_ENV
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11 changes: 11 additions & 0 deletions src/unix/linux_like/linux/mod.rs
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Expand Up @@ -6053,6 +6053,17 @@ f! {
pub fn ELF64_R_INFO(sym: Elf64_Xword, t: Elf64_Xword) -> Elf64_Xword {
sym << 32 + t
}

#[cfg(target_env = "gnu")]
pub fn SUN_LEN(s: crate::sockaddr_un) -> usize {
core::mem::offset_of!(crate::sockaddr_un, sun_path) +
unsafe { crate::strlen(s.sun_path.as_ptr()) }
}

#[cfg(target_env = "musl")]
pub fn SUN_LEN(s: crate::sockaddr_un) -> usize {
2 * (unsafe { crate::strlen(s.sun_path.as_ptr()) })
}
}

safe_f! {
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