Auto merge of #2202 - devnexen:netbsd_libutil_emalloc, r=JohnTitor

netbsd add error check functions from libutil and error handler.

Author: bors

libc-test/semver/netbsd.txt

@@ -1038,6 +1038,16 @@ dl_phdr_info
 dqblk
 dup3
 duplocale
+easprintf
+efopen
+emalloc
+erealloc
+esetfunc
+estrdup
+estrndup
+estrlcat
+estrlcpy
+evasprintf
 endgrent
 endpwent
 endservent

src/unix/bsd/netbsdlike/netbsd/mod.rs

@@ -2149,6 +2149,20 @@ extern "C" {
     pub fn setutent();
     pub fn endutent();
     pub fn getutent() -> *mut utmp;
+
+    pub fn efopen(p: *const ::c_char, m: *const ::c_char) -> ::FILE;
+    pub fn emalloc(n: ::size_t) -> *mut ::c_void;
+    pub fn ecalloc(n: ::size_t, c: ::size_t) -> *mut ::c_void;
+    pub fn erealloc(p: *mut ::c_void, n: ::size_t) -> *mut ::c_void;
+    pub fn estrdup(s: *const ::c_char) -> *mut ::c_char;
+    pub fn estrndup(s: *const ::c_char, len: ::size_t) -> *mut ::c_char;
+    pub fn estrlcpy(dst: *mut ::c_char, src: *const ::c_char, len: ::size_t) -> ::size_t;
+    pub fn estrlcat(dst: *mut ::c_char, src: *const ::c_char, len: ::size_t) -> ::size_t;
+    pub fn easprintf(string: *mut *mut ::c_char, fmt: *const ::c_char, ...) -> ::c_int;
+    pub fn evasprintf(string: *mut *mut ::c_char, fmt: *const ::c_char, ...) -> ::c_int;
+    pub fn esetfunc(
+        cb: ::Option<unsafe extern "C" fn(::c_int, *const ::c_char, ...)>,
+    ) -> ::Option<unsafe extern "C" fn(::c_int, *const ::c_char, ...)>;
 }
 
 cfg_if! {