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/getopt/getopt.c

@@ -78,6 +78,15 @@ char *optarg;
 hidden char *getopt_place;
 char kGetoptEmsg[1] hidden;
 
+static void getopt_print_badch(const char *s) {
+  fputs(program_invocation_name, stderr);
+  fputs(": ", stderr);
+  fputs(s, stderr);
+  fputs(" -- ", stderr);
+  fputc(optopt, stderr);
+  fputc('\n', stderr);
+}
+
 /**
  * Parses argc/argv argument vector, e.g.
  *
@@ -134,11 +143,8 @@ int getopt(int nargc, char *const nargv[], const char *ostr) {
   /* See if option letter is one the caller wanted... */
   if (optopt == ':' || (oli = strchr(ostr, optopt)) == NULL) {
     if (*getopt_place == 0) ++optind;
-    if (opterr && *ostr != ':') {
-      fprintf(stderr, "%s%s%c\n", program_invocation_name,
-              ": illegal option -- ", optopt);
-    }
-    return (BADCH);
+    if (opterr && *ostr != ':') getopt_print_badch("illegal option");
+    return BADCH;
   }
   /* Does this option need an argument? */
   if (oli[1] != ':') {
@@ -155,12 +161,9 @@ int getopt(int nargc, char *const nargv[], const char *ostr) {
     } else {
       /* option-argument absent */
       getopt_place = kGetoptEmsg;
-      if (*ostr == ':') return (BADARG);
-      if (opterr) {
-        fprintf(stderr, "%s%s%c\n", program_invocation_name,
-                ": option requires an argument -- ", optopt);
-      }
-      return (BADCH);
+      if (*ostr == ':') return BADARG;
+      if (opterr) getopt_print_badch("option requires an argument");
+      return BADCH;
     }
     getopt_place = kGetoptEmsg;
     ++optind;