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

test/libc/stdio/dirstream_test.c

@@ -18,6 +18,7 @@
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/calls/calls.h"
 #include "libc/calls/struct/dirent.h"
+#include "libc/errno.h"
 #include "libc/rand/rand.h"
 #include "libc/runtime/gc.internal.h"
 #include "libc/runtime/runtime.h"
@@ -30,6 +31,8 @@ STATIC_YOINK("zip_uri_support");
 TEST(dirstream, test) {
   DIR *dir;
   struct dirent *ent;
+  bool hasfoo = false;
+  bool hasbar = false;
   char *dpath, *file1, *file2;
   dpath = gc(xasprintf("%s%s%lu", kTmpPath, "dirstream", rand64()));
   file1 = gc(xasprintf("%s/%s", dpath, "foo"));
@@ -38,8 +41,6 @@ TEST(dirstream, test) {
   EXPECT_NE(-1, touch(file1, 0644));
   EXPECT_NE(-1, touch(file2, 0644));
   EXPECT_TRUE(NULL != (dir = opendir(dpath)));
-  bool hasfoo = false;
-  bool hasbar = false;
   while ((ent = readdir(dir))) {
     if (strcmp(ent->d_name, "foo")) hasfoo = true;
     if (strcmp(ent->d_name, "bar")) hasbar = true;
@@ -69,6 +70,8 @@ TEST(dirstream, zipTest) {
 TEST(rewinddir, test) {
   DIR *dir;
   struct dirent *ent;
+  bool hasfoo = false;
+  bool hasbar = false;
   char *dpath, *file1, *file2;
   dpath = gc(xasprintf("%s%s%lu", kTmpPath, "dirstream", rand64()));
   file1 = gc(xasprintf("%s/%s", dpath, "foo"));
@@ -81,8 +84,6 @@ TEST(rewinddir, test) {
   readdir(dir);
   readdir(dir);
   rewinddir(dir);
-  bool hasfoo = false;
-  bool hasbar = false;
   while ((ent = readdir(dir))) {
     if (strcmp(ent->d_name, "foo")) hasfoo = true;
     if (strcmp(ent->d_name, "bar")) hasbar = true;
@@ -94,3 +95,8 @@ TEST(rewinddir, test) {
   EXPECT_NE(-1, unlink(file1));
   EXPECT_NE(-1, rmdir(dpath));
 }
+
+TEST(dirstream, zipTest_notDir) {
+  ASSERT_EQ(NULL, opendir("/zip/usr/share/zoneinfo/New_York"));
+  ASSERT_EQ(ENOTDIR, errno);
+}