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Add POSIX memccpy and mempcpy GNU extension. #4186

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Dec 9, 2024
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Add POSIX memccpy and mempcpy GNU extension. #4186

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1 change: 1 addition & 0 deletions libc-test/semver/linux-gnu.txt
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Expand Up @@ -632,6 +632,7 @@ malloc_stats
malloc_trim
malloc_usable_size
mallopt
mempcpy
mq_notify
nl_mmap_hdr
nl_mmap_req
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1 change: 1 addition & 0 deletions libc-test/semver/unix.txt
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Expand Up @@ -638,6 +638,7 @@ localtime_r
lseek
lstat
malloc
memccpy
memchr
memcmp
memcpy
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2 changes: 2 additions & 0 deletions src/unix/linux_like/linux/gnu/mod.rs
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Expand Up @@ -1439,6 +1439,8 @@ extern "C" {
timeout: *const crate::timespec,
sigmask: *const crate::sigset_t,
) -> c_int;

pub fn mempcpy(dest: *mut c_void, src: *const c_void, n: size_t) -> *mut c_void;
}

cfg_if! {
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1 change: 1 addition & 0 deletions src/unix/mod.rs
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Expand Up @@ -681,6 +681,7 @@ extern "C" {
pub fn memcpy(dest: *mut c_void, src: *const c_void, n: size_t) -> *mut c_void;
pub fn memmove(dest: *mut c_void, src: *const c_void, n: size_t) -> *mut c_void;
pub fn memset(dest: *mut c_void, c: c_int, n: size_t) -> *mut c_void;
pub fn memccpy(dest: *mut c_void, src: *const c_void, c: c_int, n: size_t) -> *mut c_void;
}

extern "C" {
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