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/calls/ntspawn.c

@@ -19,6 +19,7 @@
 #include "libc/bits/pushpop.h"
 #include "libc/calls/internal.h"
 #include "libc/calls/ntspawn.h"
+#include "libc/calls/sysdebug.internal.h"
 #include "libc/macros.internal.h"
 #include "libc/nt/enum/filemapflags.h"
 #include "libc/nt/enum/pageflags.h"
@@ -69,8 +70,10 @@ textwindows int ntspawn(
   int64_t handle;
   size_t blocksize;
   struct SpawnBlock *block;
+  char16_t prog16[PATH_MAX];
   rc = -1;
   block = NULL;
+  if (__mkntpath(prog, prog16) == -1) return -1;
   blocksize = ROUNDUP(sizeof(*block), FRAMESIZE);
   if ((handle = CreateFileMappingNuma(
            -1,
@@ -83,7 +86,7 @@ textwindows int ntspawn(
                                blocksize, NULL, kNtNumaNoPreferredNode))) {
     if (mkntcmdline(block->cmdline, prog, argv) != -1 &&
         mkntenvblock(block->envvars, envp, extravar) != -1) {
-      if (CreateProcess(NULL, block->cmdline, opt_lpProcessAttributes,
+      if (CreateProcess(prog16, block->cmdline, opt_lpProcessAttributes,
                         opt_lpThreadAttributes, bInheritHandles,
                         dwCreationFlags | kNtCreateUnicodeEnvironment,
                         block->envvars, opt_lpCurrentDirectory, lpStartupInfo,
@@ -92,6 +95,7 @@ textwindows int ntspawn(
       } else {
         __winerr();
       }
+      SYSDEBUG("CreateProcess(`%S`, `%S`) -> %d", prog16, block->cmdline, rc);
     }
   } else {
     __winerr();