adding POSIX memccpy and mempcpy GNU extension.

devnexen · devnexen · commit ba5930dbc20d · 2024-12-08T22:23:09.000Z
[memccpy](https://pubs.opengroup.org/onlinepubs/9699919799/functions/memccpy.html) [mempcpy](https://man7.org/linux/man-pages/man3/mempcpy.3.html)
diff --git a/libc-test/semver/linux-gnu.txt b/libc-test/semver/linux-gnu.txt
@@ -632,6 +632,7 @@ malloc_stats
 malloc_trim
 malloc_usable_size
 mallopt
+mempcpy
 mq_notify
 nl_mmap_hdr
 nl_mmap_req
diff --git a/libc-test/semver/unix.txt b/libc-test/semver/unix.txt
@@ -638,6 +638,7 @@ localtime_r
 lseek
 lstat
 malloc
+memccpy
 memchr
 memcmp
 memcpy
diff --git a/src/unix/linux_like/linux/gnu/mod.rs b/src/unix/linux_like/linux/gnu/mod.rs
@@ -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! {
diff --git a/src/unix/mod.rs b/src/unix/mod.rs
@@ -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" {

-Original file line number
+Diff line change
 lseek
 lstat
 malloc
 +memccpy
 memchr
 memcmp
 memcpy
Original file line number	Diff line number	Diff line change
`@@ -1439,6 +1439,8 @@ extern "C" {`
`1439`	`1439`	`timeout: *const crate::timespec,`
`1440`	`1440`	`sigmask: *const crate::sigset_t,`
`1441`	`1441`	`) -> c_int;`
	`1442`	`+`
	`1443`	`+ pub fn mempcpy(dest: mut c_void, src: const c_void, n: size_t) -> *mut c_void;`
`1442`	`1444`	`}`
`1443`	`1445`
`1444`	`1446`	`cfg_if! {`
Original file line number	Diff line number	Diff line change
`@@ -681,6 +681,7 @@ extern "C" {`
`681`	`681`	`pub fn memcpy(dest: mut c_void, src: const c_void, n: size_t) -> *mut c_void;`
`682`	`682`	`pub fn memmove(dest: mut c_void, src: const c_void, n: size_t) -> *mut c_void;`
`683`	`683`	`pub fn memset(dest: mut c_void, c: c_int, n: size_t) -> mut c_void;`
	`684`	`+ pub fn memccpy(dest: mut c_void, src: const c_void, c: c_int, n: size_t) -> *mut c_void;`
`684`	`685`	`}`
`685`	`686`
`686`	`687`	`extern "C" {`