Add close, sem_post, unlink

README.md

@@ -444,7 +444,7 @@ Then we...
 
 - [Add fprintf](https://github.com/lupyuen/tcc-riscv32-wasm/commit/36d591ea197eb87eb5f14e9632512cfecc99cbaf)
 
-- [Add read](https://github.com/lupyuen/tcc-riscv32-wasm/commit/7309abf30c12ade7db89a59539d4e3e04956562a)
+- [Add read](https://github.com/lupyuen/tcc-riscv32-wasm/commit/7fe054b38cb52a289f1f512ba1e4ab07823b2ca4)
 
 - [Add sprintf, snprintf](https://github.com/lupyuen/tcc-riscv32-wasm/commit/dd0161168815d570259e08d4bf0370a363e6e6e7)
 

zig/tcc-wasm.zig

@@ -72,6 +72,16 @@ export fn read(fd0: c_int, buf: [*:0]u8, nbyte: size_t) isize {
     return @intCast(strlen(s));
 }
 
+export fn close(fd0: c_int) c_int {
+    debug("close: fd={}", .{fd0});
+    return 0;
+}
+
+export fn unlink(path: [*:0]const u8) c_int {
+    debug("unlink: path={s}", .{path});
+    return 0;
+}
+
 var fd: c_int = 3;
 var first_read: bool = true;
 
@@ -88,6 +98,11 @@ export fn sem_wait(sem: *sem_t) c_int {
     return 0;
 }
 
+export fn sem_post(sem: *sem_t) c_int {
+    debug("sem_post: sem={*}", .{sem});
+    return 0;
+}
+
 const sem_t = opaque {};
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -350,9 +365,6 @@ pub export var stderr: c_int = 2;
 pub export fn atoi(_: c_int) c_int {
     @panic("TODO: atoi");
 }
-pub export fn close(_: c_int) c_int {
-    @panic("TODO: close");
-}
 pub export fn exit(_: c_int) c_int {
     @panic("TODO: exit");
 }
@@ -407,9 +419,6 @@ pub export fn qsort(_: c_int) c_int {
 pub export fn remove(_: c_int) c_int {
     @panic("TODO: remove");
 }
-pub export fn sem_post(_: c_int) c_int {
-    @panic("TODO: sem_post");
-}
 pub export fn strcat(_: c_int) c_int {
     @panic("TODO: strcat");
 }
@@ -449,6 +458,3 @@ pub export fn strtoull(_: c_int) c_int {
 pub export fn time(_: c_int) c_int {
     @panic("TODO: time");
 }
-pub export fn unlink(_: c_int) c_int {
-    @panic("TODO: unlink");
-}