Make numerous improvements

- Python static hello world now 1.8mb
- Python static fully loaded now 10mb
- Python HTTPS client now uses MbedTLS
- Python REPL now completes import stmts
- Increase stack size for Python for now
- Begin synthesizing posixpath and ntpath
- Restore Python \N{UNICODE NAME} support
- Restore Python NFKD symbol normalization
- Add optimized code path for Intel SHA-NI
- Get more Python unit tests passing faster
- Get Python help() pagination working on NT
- Python hashlib now supports MbedTLS PBKDF2
- Make memcpy/memmove/memcmp/bcmp/etc. faster
- Add Mersenne Twister and Vigna to LIBC_RAND
- Provide privileged __printf() for error code
- Fix zipos opendir() so that it reports ENOTDIR
- Add basic chmod() implementation for Windows NT
- Add Cosmo's best functions to Python cosmo module
- Pin function trace indent depth to that of caller
- Show memory diagram on invalid access in MODE=dbg
- Differentiate stack overflow on crash in MODE=dbg
- Add stb_truetype and tools for analyzing font files
- Upgrade to UNICODE 13 and reduce its binary footprint
- COMPILE.COM now logs resource usage of build commands
- Start implementing basic poll() support on bare metal
- Set getauxval(AT_EXECFN) to GetModuleFileName() on NT
- Add descriptions to strerror() in non-TINY build modes
- Add COUNTBRANCH() macro to help with micro-optimizations
- Make error / backtrace / asan / memory code more unbreakable
- Add fast perfect C implementation of μ-Law and a-Law audio codecs
- Make strtol() functions consistent with other libc implementations
- Improve Linenoise implementation (see also github.com/jart/bestline)
- COMPILE.COM now suppresses stdout/stderr of successful build commands

third_party/quickjs/quickjs-libc.c

@@ -53,6 +53,8 @@ Copyright (c) 2017-2021 Fabrice Bellard\\n\
 Copyright (c) 2017-2021 Charlie Gordon\"");
 asm(".include \"libc/disclaimer.inc\"");
 
+#define MAXPATH 1024
+
 /* clang-format off */
 
 /* TODO:
@@ -499,7 +501,7 @@ int js_module_set_import_meta(JSContext *ctx, JSValueConst func_val,
                               JS_BOOL use_realpath, JS_BOOL is_main)
 {
     JSModuleDef *m;
-    char buf[PATH_MAX + 16];
+    char buf[MAXPATH + 16];
     JSValue meta_obj;
     JSAtom module_name_atom;
     const char *module_name;
@@ -1739,7 +1741,7 @@ static JSValue js_os_ttySetRaw(JSContext *ctx, JSValueConst this_val,
     
     if (JS_ToInt32(ctx, &fd, argv[0]))
         return JS_EXCEPTION;
-    memset(&tty, 0, sizeof(tty));
+    bzero(&tty, sizeof(tty));
     tcgetattr(fd, &tty);
     oldtty = tty;
 
@@ -2367,7 +2369,7 @@ static JSValue make_string_error(JSContext *ctx,
 static JSValue js_os_getcwd(JSContext *ctx, JSValueConst this_val,
                             int argc, JSValueConst *argv)
 {
-    char buf[PATH_MAX];
+    char buf[MAXPATH];
     int err;
     
     if (!getcwd(buf, sizeof(buf))) {
@@ -2638,7 +2640,7 @@ static JSValue js_os_realpath(JSContext *ctx, JSValueConst this_val,
                               int argc, JSValueConst *argv)
 {
     const char *path;
-    char buf[PATH_MAX], *res;
+    char buf[MAXPATH], *res;
     int err;
 
     path = JS_ToCString(ctx, argv[0]);
@@ -2681,7 +2683,7 @@ static JSValue js_os_readlink(JSContext *ctx, JSValueConst this_val,
                               int argc, JSValueConst *argv)
 {
     const char *path;
-    char buf[PATH_MAX];
+    char buf[MAXPATH];
     int err;
     ssize_t res;
     
@@ -3309,7 +3311,7 @@ static JSValue js_worker_ctor(JSContext *ctx, JSValueConst new_target,
     args = malloc(sizeof(*args));
     if (!args)
         goto oom_fail;
-    memset(args, 0, sizeof(*args));
+    bzero(args, sizeof(*args));
     args->filename = strdup(filename);
     args->basename = strdup(basename);
 
@@ -3706,7 +3708,7 @@ void js_std_init_handlers(JSRuntime *rt)
         fprintf(stderr, "Could not allocate memory for the worker");
         exit(1);
     }
-    memset(ts, 0, sizeof(*ts));
+    bzero(ts, sizeof(*ts));
     init_list_head(&ts->os_rw_handlers);
     init_list_head(&ts->os_signal_handlers);
     init_list_head(&ts->os_timers);
@@ -3718,7 +3720,7 @@ void js_std_init_handlers(JSRuntime *rt)
     /* set the SharedArrayBuffer memory handlers */
     {
         JSSharedArrayBufferFunctions sf;
-        memset(&sf, 0, sizeof(sf));
+        bzero(&sf, sizeof(sf));
         sf.sab_alloc = js_sab_alloc;
         sf.sab_free = js_sab_free;
         sf.sab_dup = js_sab_dup;