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/fmt.c

@@ -391,7 +391,8 @@ hidden int __fmt(void *fn, void *arg, const char *format, va_list va) {
         s = weaken(__fmt_dtoa)(pun.d, 3, prec, &decpt, &sgn, &se);
         if (decpt == 9999) {
         Format9999:
-          p = q = memset(special, 0, sizeof(special));
+          bzero(special, sizeof(special));
+          p = q = special;
           if (sgn) {
             *q++ = '-';
           } else if (flags & FLAGS_PLUS) {
@@ -423,12 +424,10 @@ hidden int __fmt(void *fn, void *arg, const char *format, va_list va) {
           if (flags & FLAGS_ZEROPAD) {
             if (sign) PUT(sign);
             sign = 0;
-            do
-              PUT('0');
+            do PUT('0');
             while (--width > 0);
           } else {
-            do
-              PUT(' ');
+            do PUT(' ');
             while (--width > 0);
           }
         }
@@ -530,12 +529,10 @@ hidden int __fmt(void *fn, void *arg, const char *format, va_list va) {
           if (flags & FLAGS_ZEROPAD) {
             if (sign) PUT(sign);
             sign = 0;
-            do
-              PUT('0');
+            do PUT('0');
             while (--width > 0);
           } else {
-            do
-              PUT(' ');
+            do PUT(' ');
             while (--width > 0);
           }
         }
@@ -682,12 +679,10 @@ hidden int __fmt(void *fn, void *arg, const char *format, va_list va) {
               PUT(sign);
               sign = 0;
             }
-            do
-              PUT('0');
+            do PUT('0');
             while (--width > 0);
           } else {
-            do
-              PUT(' ');
+            do PUT(' ');
             while (--width > 0);
           }
         }