Auto merge of #2407 - devnexen:win32_fns_upd, r=JohnTitor

windows add localtime_s/memccpy fns

Author: bors

libc-test/semver/windows-msvc.txt

@@ -1,3 +1,4 @@
 EOTHER
+memccpy
 stricmp
 strnicmp

libc-test/semver/windows.txt

@@ -178,6 +178,7 @@ creat
 dev_t
 dup
 dup2
+errno_t
 execl
 execle
 execlp
@@ -239,6 +240,7 @@ isupper
 isxdigit
 labs
 listen
+localtime_s
 lseek
 lseek64
 malloc

src/windows/mod.rs

@@ -27,6 +27,8 @@ pub type wchar_t = u16;
 
 pub type clock_t = i32;
 
+pub type errno_t = ::c_int;
+
 cfg_if! {
     if #[cfg(all(target_arch = "x86", target_env = "gnu"))] {
         pub type time_t = i32;
@@ -372,6 +374,8 @@ extern "C" {
 
     #[link_name = "_gmtime64_s"]
     pub fn gmtime_s(destTime: *mut tm, srcTime: *const time_t) -> ::c_int;
+    #[link_name = "_localtime64_s"]
+    pub fn localtime_s(tmDest: *mut tm, sourceTime: *const time_t) -> ::errno_t;
     #[link_name = "_time64"]
     pub fn time(destTime: *mut time_t) -> time_t;
     #[link_name = "_chmod"]

src/windows/msvc/mod.rs

@@ -10,6 +10,13 @@ extern "C" {
     pub fn stricmp(s1: *const ::c_char, s2: *const ::c_char) -> ::c_int;
     #[link_name = "_strnicmp"]
     pub fn strnicmp(s1: *const ::c_char, s2: *const ::c_char, n: ::size_t) -> ::c_int;
+    #[link_name = "_memccpy"]
+    pub fn memccpy(
+        dest: *mut ::c_void,
+        src: *const ::c_void,
+        c: ::c_int,
+        count: ::size_t,
+    ) -> *mut ::c_void;
 }
 
 cfg_if! {