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

libc/fmt/strerror_r.c

@@ -27,10 +27,13 @@
 #include "libc/nt/runtime.h"
 #include "libc/str/str.h"
 
-extern const struct Error {
+struct Error {
   int x;
   int s;
-} kErrorNames[];
+};
+
+extern const struct Error kErrorNames[];
+extern const struct Error kErrorNamesLong[];
 
 static const char *GetErrorName(long x) {
   int i;
@@ -44,6 +47,20 @@ static const char *GetErrorName(long x) {
   return "EUNKNOWN";
 }
 
+static const char *GetErrorNameLong(long x) {
+  int i;
+  if (x) {
+    for (i = 0; kErrorNamesLong[i].x; ++i) {
+      if (x ==
+          *(const long *)((uintptr_t)kErrorNamesLong + kErrorNamesLong[i].x)) {
+        return (const char *)((uintptr_t)kErrorNamesLong +
+                              kErrorNamesLong[i].s);
+      }
+    }
+  }
+  return "EUNKNOWN[No error information]";
+}
+
 /**
  * Converts errno value to string.
  * @return 0 on success, or error code
@@ -52,7 +69,11 @@ int strerror_r(int err, char *buf, size_t size) {
   char *p;
   const char *s;
   err &= 0xFFFF;
-  s = GetErrorName(err);
+  if (IsTiny()) {
+    s = GetErrorName(err);
+  } else {
+    s = GetErrorNameLong(err);
+  }
   p = buf;
   if (strlen(s) + 1 + 5 + 1 + 1 <= size) {
     p = stpcpy(p, s);