Fix typos in code (mostly NFC)

emrun.py

@@ -832,12 +832,12 @@ def find_gpu_model(model):
       VideoCardString = winreg.QueryValueEx(hVideoReg, '\\Device\\Video' + str(i))[0]
       # Get Rid of Registry/Machine from the string
       VideoCardStringSplit = VideoCardString.split('\\')
-      ClearnVideoCardString = "\\".join(VideoCardStringSplit[3:])
+      CleanVideoCardString = "\\".join(VideoCardStringSplit[3:])
       # Go up one level for detailed
       # VideoCardStringRoot = "\\".join(VideoCardStringSplit[3:len(VideoCardStringSplit)-1])
 
       # Get the graphics card information
-      hVideoCardReg = winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, ClearnVideoCardString)
+      hVideoCardReg = winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, CleanVideoCardString)
       try:
         VideoCardDescription = winreg.QueryValueEx(hVideoCardReg, 'Device Description')[0]
       except WindowsError:

src/lib/libglut.js

@@ -185,14 +185,14 @@ var LibraryGLUT = {
         var key = GLUT.getSpecialKey(event['keyCode']);
         if (key !== null) {
           if (GLUT.specialUpFunc) {
-            event.preventDefault ();
+            event.preventDefault();
             GLUT.saveModifiers(event);
             {{{ makeDynCall('viii', 'GLUT.specialUpFunc') }}}(key, Browser.mouseX, Browser.mouseY);
           }
         } else {
           key = GLUT.getASCIIKey(event);
           if (key !== null && GLUT.keyboardUpFunc) {
-            event.preventDefault ();
+            event.preventDefault();
             GLUT.saveModifiers(event);
             {{{ makeDynCall('viii', 'GLUT.keyboardUpFunc') }}}(key, Browser.mouseX, Browser.mouseY);
           }

src/lib/libhtml5.js

@@ -1044,7 +1044,7 @@ var LibraryHTML5 = {
     var eventSize = {{{ C_STRUCTS.EmscriptenFullscreenChangeEvent.__size__ }}};
     JSEvents.fullscreenChangeEvent ||= _malloc(eventSize);
 
-    var fullscreenChangeEventhandlerFunc = (e) => {
+    var fullscreenChangeEventHandlerFunc = (e) => {
       var fullscreenChangeEvent = JSEvents.fullscreenChangeEvent;
       fillFullscreenChangeEventData(fullscreenChangeEvent);
 
@@ -1061,7 +1061,7 @@ var LibraryHTML5 = {
       eventTypeId,
       userData,
       callbackfunc,
-      handlerFunc: fullscreenChangeEventhandlerFunc,
+      handlerFunc: fullscreenChangeEventHandlerFunc,
       useCapture
     };
     return JSEvents.registerOrRemoveHandler(eventHandler);

src/lib/libwasi.js

@@ -423,7 +423,7 @@ var WasiLibrary = {
   path_open__sig: 'iiiiiiiiii',
   path_open__deps: ['$wasiRightsToMuslOFlags', '$wasiOFlagsToMuslOFlags', '$preopens'],
   path_open: (fd, dirflags, path, path_len, oflags,
-              fs_rights_base, fs_rights_inherting,
+              fs_rights_base, fs_rights_inheriting,
               fdflags, opened_fd) => {
     if (!(fd in preopens)) {
       return {{{ cDefs.EBADF }}};

system/include/wasi/api.h

@@ -2408,7 +2408,7 @@ __wasi_errno_t __wasi_path_open(
      */
     __wasi_rights_t fs_rights_base,
 
-    __wasi_rights_t fs_rights_inherting,
+    __wasi_rights_t fs_rights_inheriting,
 
     __wasi_fdflags_t fdflags,
 

system/lib/html5/offscreencanvas.c

@@ -2,14 +2,14 @@
 
 #include "emscripten_internal.h"
 
-typedef struct set_cavas_size_t {
+typedef struct set_canvas_size_t {
   const char* target;
   int width;
   int height;
-} set_cavas_size_t;
+} set_canvas_size_t;
 
 static void do_set_size(void* arg) {
-  set_cavas_size_t* args = (set_cavas_size_t*)arg;
+  set_canvas_size_t* args = (set_canvas_size_t*)arg;
   emscripten_set_canvas_element_size(args->target, args->width, args->height);
   free((char *) args->target);
   free(arg);
@@ -20,7 +20,7 @@ void _emscripten_set_offscreencanvas_size_on_thread(pthread_t t,
                                                     const char* target,
                                                     int width,
                                                     int height) {
-  set_cavas_size_t* arg = malloc(sizeof(set_cavas_size_t));
+  set_canvas_size_t* arg = malloc(sizeof(set_canvas_size_t));
   arg->target = target; // taking ownership: will be freed in do_set_size
   arg->width = width;
   arg->height = height;

system/lib/libc/musl/arch/emscripten/syscall_arch.h

@@ -90,7 +90,7 @@ int __syscall_symlinkat(intptr_t target, int newdirfd, intptr_t linkpath);
 int __syscall_readlinkat(int dirfd, intptr_t path, intptr_t buf, size_t bufsize);
 int __syscall_fchmodat2(int dirfd, intptr_t path, int mode, int flags);
 int __syscall_faccessat(int dirfd, intptr_t path, int amode, int flags);
-int __syscall_pselect6(int nfds, intptr_t readfds, intptr_t writefds, intptr_t exceptfds, intptr_t timeout, intptr_t sigmaks);
+int __syscall_pselect6(int nfds, intptr_t readfds, intptr_t writefds, intptr_t exceptfds, intptr_t timeout, intptr_t sigmask);
 int __syscall_utimensat(int dirfd, intptr_t path, intptr_t times, int flags);
 int __syscall_fallocate(int fd, int mode, off_t offset, off_t len);
 int __syscall_dup3(int fd, int suggestfd, int flags);
@@ -102,7 +102,7 @@ int __syscall_socket(int domain, int type, int protocol, int dummy1, int dummy2,
 int __syscall_socketpair(int domain, int type, int protocol, intptr_t fds, int dummy, int dummy2);
 int __syscall_bind(int sockfd, intptr_t addr, size_t alen, int dummy, int dummy2, int dummy3);
 int __syscall_connect(int sockfd, intptr_t addr, size_t len, int dummy, int dummy2, int dummy3);
-int __syscall_listen(int sockfd, int backlock, int dummy1, int dummy2, int dummy3, int dummy4);
+int __syscall_listen(int sockfd, int backlog, int dummy1, int dummy2, int dummy3, int dummy4);
 int __syscall_accept4(int sockfd, intptr_t addr, intptr_t addrlen, int flags, int dummy1, int dummy2);
 int __syscall_getsockopt(int sockfd, int level, int optname, intptr_t optval, intptr_t optlen, int dummy);
 int __syscall_setsockopt(int sockfd, int level, int optname, intptr_t optval, size_t optlen, int dummy);

system/lib/update_llvm_libc.py

@@ -92,12 +92,12 @@ def main():
     upstream_dir = os.path.join(libc_upstream_dir, dirname)
     local_dir = os.path.join(libc_local_dir, dirname)
     copy_tree(upstream_dir, local_dir)
-  
+
   # Certain llvm-libc files that are incompatible in Emscripten
-  for excludsion_pattern in libc_exclusion_patterns:
-    files_to_exclude = glob.glob(os.path.join(libc_local_dir, excludsion_pattern))
+  for exclusion_pattern in libc_exclusion_patterns:
+    files_to_exclude = glob.glob(os.path.join(libc_local_dir, exclusion_pattern))
     for file in files_to_exclude:
-        os.remove(file)
+      os.remove(file)
 
 if __name__ == '__main__':
-  main()
+  main()

system/lib/wasmfs/syscalls.cpp

@@ -1716,7 +1716,7 @@ int __syscall_socket(
 }
 
 int __syscall_listen(
-  int sockfd, int backlock, int dummy1, int dummy2, int dummy3, int dummy4) {
+  int sockfd, int backlog, int dummy1, int dummy2, int dummy3, int dummy4) {
   return -ENOSYS;
 }
 

system/lib/wasmfs/wasmfs.cpp

@@ -16,7 +16,7 @@
 namespace wasmfs {
 
 #ifdef WASMFS_CASE_INSENSITIVE
-backend_t createIgnoreCaseBackend(std::function<backend_t()> createBacken);
+backend_t createIgnoreCaseBackend(std::function<backend_t()> createBackend);
 #endif
 
 // The below lines are included to make the compiler believe that the global

test/browser/test_glfw3.c

@@ -252,8 +252,8 @@ int main() {
   }
 
   {
-    assert(glfwExtensionSupported("nonexistant") == 0);
-    assert(glfwGetProcAddress("nonexistant") == NULL);
+    assert(glfwExtensionSupported("nonexistent") == 0);
+    assert(glfwGetProcAddress("nonexistent") == NULL);
   }
 #endif
 

test/browser/test_sdl2_canvas_palette_2.c

@@ -15,7 +15,7 @@
 static SDL_Surface *screen;
 static SDL_Color   pal[COLOR_COUNT +1];
 
-void pallete(int red, int green, int blue) {
+void palette(int red, int green, int blue) {
   // initialize sdl palette
   // with gradient colors
   pal[0].r = 0;
@@ -65,15 +65,15 @@ int main(int argc, char** argv) {
     printf("%s\n", argv[1]);
     if (strcmp(argv[1], "-r") == 0) {
       printf("set [red]\n");
-      pallete(255, 0, 0);
+      palette(255, 0, 0);
     }
     if (strcmp(argv[1], "-g") == 0) {
       printf("set [green]\n");
-      pallete(0, 255, 0);
+      palette(0, 255, 0);
     }
     if (strcmp(argv[1], "-b") == 0) {
       printf("set [blue]\n");
-      pallete(0, 0, 255);
+      palette(0, 0, 255);
     }
   }
 

test/browser/test_sdl_canvas_palette_2.c

@@ -15,7 +15,7 @@
 static SDL_Surface *screen;
 static SDL_Color   pal[COLOR_COUNT +1];
 
-void pallete(int red, int green, int blue) {
+void palette(int red, int green, int blue) {
   // initialize sdl palette
   // with gradient colors
   pal[0].r = 0;
@@ -59,15 +59,15 @@ int main(int argc, char** argv) {
     printf("%s\n", argv[1]);
     if (strcmp(argv[1], "-r") == 0) {
       printf("set [red]\n");
-      pallete(255, 0, 0);
+      palette(255, 0, 0);
     }
     if (strcmp(argv[1], "-g") == 0) {
       printf("set [green]\n");
-      pallete(0, 255, 0);
+      palette(0, 255, 0);
     }
     if (strcmp(argv[1], "-b") == 0) {
       printf("set [blue]\n");
-      pallete(0, 0, 255);
+      palette(0, 0, 255);
     }
   }
 

test/clang_native.py

@@ -124,11 +124,11 @@ def highest_version_subdir(path):
     vc_root = os.path.join(visual_studio_path, 'VC')
     vc_code_root = highest_version_subdir(os.path.join(vc_root, 'Tools', 'MSVC'))
     if not vc_code_root:
-      raise Exception ('Unable to find Visual Studio INCLUDE root directory. Run in Visual Studio command prompt to avoid the need to autoguess this location.')
+      raise Exception('Unable to find Visual Studio INCLUDE root directory. Run in Visual Studio command prompt to avoid the need to autoguess this location.')
 
     windows_sdk_dir = highest_version_subdir(os.path.join(prog_files_x86, 'Windows Kits'))
     if not windows_sdk_dir:
-      raise Exception ('Unable to find Windows SDK root directory. Run in Visual Studio command prompt to avoid the need to autoguess this location.')
+      raise Exception('Unable to find Windows SDK root directory. Run in Visual Studio command prompt to avoid the need to autoguess this location.')
 
     env.setdefault('VSINSTALLDIR', visual_studio_path)
     env.setdefault('VCINSTALLDIR', os.path.join(visual_studio_path, 'VC'))

test/core/FS_exports.cpp

@@ -8,7 +8,7 @@
 
 int main() {
 #ifdef USE_FILES
-  if (fopen("nonexistend", "r")) {
+  if (fopen("nonexistent", "r")) {
     puts("that was bad");
     return 1;
   }

test/core/test_promise_await.c

@@ -5,7 +5,7 @@
 #include <stdbool.h>
 #include <stdio.h>
 
-void fulfill_from_timout(void* arg) {
+void fulfill_from_timeout(void* arg) {
   emscripten_promise_resolve((em_promise_t)arg, EM_PROMISE_FULFILL, (void*)43);
 }
 
@@ -25,7 +25,7 @@ void test_already_fulfilled() {
 
 void test_not_yet_fulfilled() {
   em_promise_t p = emscripten_promise_create();
-  emscripten_async_call(fulfill_from_timout, p, 0);
+  emscripten_async_call(fulfill_from_timeout, p, 0);
 
   printf("waiting on promise: %p\n", p);
   em_settled_result_t res = emscripten_promise_await(p);

test/core/test_signals.c

@@ -59,7 +59,7 @@ void test_raise_sigusr1() {
   }
 }
 
-void test_sigpenging() {
+void test_sigpending() {
   printf("test_sigpending\n");
   recieved1 = false;
 
@@ -157,7 +157,7 @@ int main() {
   test_sigaction();
   test_bad_signal();
   test_raise_sigusr1();
-  test_sigpenging();
+  test_sigpending();
   test_sigwaitinfo();
   test_sigemptyset();
   return 0;

test/core/test_varargs.c

@@ -43,7 +43,7 @@ void varargs_listoffsets_list_evaluate(int count, va_list ap, int vaIteration) {
   printf("\n");
 }
 
-void varags_listoffsets_list_copy(int count, va_list ap, int iteration) {
+void varargs_listoffsets_list_copy(int count, va_list ap, int iteration) {
   va_list ap_copy;
   va_copy(ap_copy, ap);
   varargs_listoffsets_list_evaluate(count, ap_copy, iteration);
@@ -55,10 +55,10 @@ void varargs_listoffsets_args(int type, int count, ...) {
   va_start(ap, count);
 
   // evaluate a copied list
-  varags_listoffsets_list_copy(count, ap, 1);
-  varags_listoffsets_list_copy(count, ap, 2);
-  varags_listoffsets_list_copy(count, ap, 3);
-  varags_listoffsets_list_copy(count, ap, 4);
+  varargs_listoffsets_list_copy(count, ap, 1);
+  varargs_listoffsets_list_copy(count, ap, 2);
+  varargs_listoffsets_list_copy(count, ap, 3);
+  varargs_listoffsets_list_copy(count, ap, 4);
 }
 
 void varargs_listoffsets_main() {

test/emscripten_set_timeout_loop.c

@@ -4,7 +4,7 @@
 #include <assert.h>
 #include <stdlib.h>
 
-double previousSetTimeouTime = 0;
+double previousSetTimeoutTime = 0;
 int funcExecuted = 0;
 
 void testDone(void *userData) {
@@ -14,8 +14,8 @@ void testDone(void *userData) {
 }
 
 bool tick(double time, void *userData) {
-  assert(time >= previousSetTimeouTime);
-  previousSetTimeouTime = time;
+  assert(time >= previousSetTimeoutTime);
+  previousSetTimeoutTime = time;
   assert((long)userData == 1);
   ++funcExecuted;
   if (funcExecuted == 10)

test/fs/test_fs_symlink_resolution.c

@@ -1,7 +1,5 @@
 #include <unistd.h>
 #include <fcntl.h>
-#include <fcntl.h>
-#include <unistd.h>
 #include <sys/stat.h>
 #include <assert.h>
 #include <stdio.h>

test/other/test_dlopen_promise.c

@@ -6,7 +6,7 @@
 #include <emscripten/emscripten.h>
 #include <emscripten/promise.h>
 
-em_promise_result_t on_fullfilled(void **result, void* data, void *handle) {
+em_promise_result_t on_fulfilled(void **result, void* data, void *handle) {
   printf("onsuccess\n");
   int* foo = (int*)dlsym(handle, "foo");
   assert(foo);
@@ -22,7 +22,7 @@ em_promise_result_t on_rejected(void **result, void* data, void *value) {
 
 int main() {
   em_promise_t inner = emscripten_dlopen_promise("libside.so", RTLD_NOW);
-  em_promise_t outer = emscripten_promise_then(inner, on_fullfilled, on_rejected, NULL);
+  em_promise_t outer = emscripten_promise_then(inner, on_fulfilled, on_rejected, NULL);
   emscripten_promise_destroy(outer);
   emscripten_promise_destroy(inner);
   printf("returning from main\n");

test/test_browser.py

@@ -5592,7 +5592,7 @@ def test_cross_origin(self, args, port):
     create_file('subdir/foo.txt', 'hello')
     self.compile_btest('hello_world.c', ['-o', 'subdir/hello.js', '-sRUNTIME_DEBUG', '-sCROSS_ORIGIN', '-sPROXY_TO_PTHREAD', '-pthread', '-sEXIT_RUNTIME'] + args)
 
-    class MyReqestHandler(SimpleHTTPRequestHandler):
+    class MyRequestHandler(SimpleHTTPRequestHandler):
       def __init__(self, *args, **kwargs):
         super().__init__(*args, directory='subdir', **kwargs)
 
@@ -5616,7 +5616,7 @@ def end_headers(self):
     else:
       create_file('test.html', f'<script src="http://localhost:{port}/hello.js"></script>')
 
-    server = HttpServerThread(ThreadingHTTPServer(('localhost', port), MyReqestHandler))
+    server = HttpServerThread(ThreadingHTTPServer(('localhost', port), MyRequestHandler))
     server.start()
     try:
       self.run_browser('test.html', '/report_result?exit:0')

test/test_core.py

@@ -8731,16 +8731,16 @@ def test_no_declare_asm_module_exports(self):
     self.maybe_closure()
     self.do_runf('declare_asm_module_exports.c', 'jsFunction: 1')
     js = read_file('declare_asm_module_exports.js')
-    occurances = js.count('cFunction')
+    occurrences = js.count('cFunction')
     if self.is_optimizing() and '-g' not in self.cflags:
       # In optimized builds only the single reference cFunction that exists in the EM_ASM should exist
       if self.is_wasm():
-        self.assertEqual(occurances, 1)
+        self.assertEqual(occurrences, 1)
       else:
         # With js the asm module itself also contains a reference for the cFunction name
-        self.assertEqual(occurances, 2)
+        self.assertEqual(occurrences, 2)
     else:
-      print(occurances)
+      print(occurrences)
 
   # Tests that -sMINIMAL_RUNTIME works well in different build modes
   @no_wasmfs('https://github.com/emscripten-core/emscripten/issues/16816')