Fix stat.st_nlink. Make signature check optional when linking.

source/m3_api_meta_wasi.c

@@ -212,7 +212,7 @@ m3ApiRawFunction(m3_wasi_unstable_fd_filestat_get)
     m3ApiWriteMem64(buf+0,  stat.st_dev);
     m3ApiWriteMem64(buf+8,  stat.st_ino);
     m3ApiWriteMem8 (buf+16, stat.st_filetype);
-    m3ApiWriteMem64(buf+20, stat.st_nlink);
+    m3ApiWriteMem32(buf+20, stat.st_nlink);
     m3ApiWriteMem64(buf+24, stat.st_size);
     m3ApiWriteMem64(buf+32, stat.st_atim);
     m3ApiWriteMem64(buf+40, stat.st_mtim);
@@ -431,7 +431,7 @@ m3ApiRawFunction(m3_wasi_unstable_path_filestat_get)
     m3ApiWriteMem64(buf+0,  stat.st_dev);
     m3ApiWriteMem64(buf+8,  stat.st_ino);
     m3ApiWriteMem8 (buf+16, stat.st_filetype);
-    m3ApiWriteMem64(buf+20, stat.st_nlink);
+    m3ApiWriteMem32(buf+20, stat.st_nlink);
     m3ApiWriteMem64(buf+24, stat.st_size);
     m3ApiWriteMem64(buf+32, stat.st_atim);
     m3ApiWriteMem64(buf+40, stat.st_mtim);

source/m3_api_uvwasi.c

@@ -344,7 +344,7 @@ m3ApiRawFunction(m3_wasi_unstable_fd_filestat_get)
     m3ApiWriteMem64(buf+0,  stat.st_dev);
     m3ApiWriteMem64(buf+8,  stat.st_ino);
     m3ApiWriteMem8 (buf+16, stat.st_filetype);
-    m3ApiWriteMem64(buf+20, stat.st_nlink);
+    m3ApiWriteMem32(buf+20, stat.st_nlink);
     m3ApiWriteMem64(buf+24, stat.st_size);
     m3ApiWriteMem64(buf+32, stat.st_atim);
     m3ApiWriteMem64(buf+40, stat.st_mtim);
@@ -596,7 +596,7 @@ m3ApiRawFunction(m3_wasi_unstable_path_filestat_get)
     m3ApiWriteMem64(buf+0,  stat.st_dev);
     m3ApiWriteMem64(buf+8,  stat.st_ino);
     m3ApiWriteMem8 (buf+16, stat.st_filetype);
-    m3ApiWriteMem64(buf+20, stat.st_nlink);
+    m3ApiWriteMem32(buf+20, stat.st_nlink);
     m3ApiWriteMem64(buf+24, stat.st_size);
     m3ApiWriteMem64(buf+32, stat.st_atim);
     m3ApiWriteMem64(buf+40, stat.st_mtim);

source/m3_bind.c

@@ -128,8 +128,9 @@ M3Result  LinkRawFunction  (IM3Module io_module,  IM3Function io_function, ccstr
     M3Result result = m3Err_none;                                                 d_m3Assert (io_module->runtime);
 
 _try {
-_   (ValidateSignature (io_function, signature));
-
+    if (signature) {
+_       (ValidateSignature (io_function, signature));
+    }
     IM3CodePage page = AcquireCodePageWithCapacity (io_module->runtime, 4);
 
     if (page)