std: Use the versioned libc symbols if needed

Many symbols on NetBSD and some on OSX require the definition of an
alias.

1 files changed, 4 insertions, 26 deletions

diff --git a/lib/std/os.zig b/lib/std/os.zig
index 48d82797bd..467badca95 100644
--- a/lib/std/os.zig
+++ b/lib/std/os.zig
@@ -2553,14 +2553,7 @@ pub const FStatError = error{
 pub fn fstat(fd: fd_t) FStatError!Stat {
     var stat: Stat = undefined;
 
-    const symbol_name = if (comptime std.Target.current.isDarwin())
-        "fstat$INODE64"
-    else if (std.Target.current.os.tag == .netbsd)
-        "__fstat50"
-    else
-        "fstat";
-
-    switch (errno(@field(system, symbol_name)(fd, &stat))) {
+    switch (errno(system.fstat(fd, &stat))) {
         0 => return stat,
         EINVAL => unreachable,
         EBADF => unreachable, // Always a race condition.
@@ -3427,12 +3420,7 @@ pub fn clock_gettime(clk_id: i32, tp: *timespec) ClockGetTimeError!void {
         return;
     }
 
-    const symbol_name = if (std.Target.current.os.tag == .netbsd)
-        "__clock_gettime50"
-    else
-        "clock_gettime";
-
-    switch (errno(@field(system, symbol_name)(clk_id, tp))) {
+    switch (errno(system.clock_gettime(clk_id, tp))) {
         0 => return,
         EFAULT => unreachable,
         EINVAL => return error.UnsupportedClock,
@@ -3454,12 +3442,7 @@ pub fn clock_getres(clk_id: i32, res: *timespec) ClockGetTimeError!void {
         return;
     }
 
-    const symbol_name = if (std.Target.current.os.tag == .netbsd)
-        "__clock_getres50"
-    else
-        "clock_getres";
-
-    switch (errno(@field(system, symbol_name)(clk_id, res))) {
+    switch (errno(system.clock_getres(clk_id, res))) {
         0 => return,
         EFAULT => unreachable,
         EINVAL => return error.UnsupportedClock,
@@ -3525,12 +3508,7 @@ pub const SigaltstackError = error{
 } || UnexpectedError;
 
 pub fn sigaltstack(ss: ?*stack_t, old_ss: ?*stack_t) SigaltstackError!void {
-    const symbol_name = if (std.Target.current.os.tag == .netbsd)
-        "__sigaltstack14"
-    else
-        "sigaltstack";
-
-    switch (errno(@field(system, symbol_name)(ss, old_ss))) {
+    switch (errno(system.sigaltstack(ss, old_ss))) {
         0 => return,
         EFAULT => unreachable,
         EINVAL => unreachable,