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/log/libfatal.internal.h

@@ -0,0 +1,119 @@
+#ifndef COSMOPOLITAN_LIBC_LOG_LIBFATAL_INTERNAL_H_
+#define COSMOPOLITAN_LIBC_LOG_LIBFATAL_INTERNAL_H_
+#include "libc/dce.h"
+#include "libc/macros.internal.h"
+#include "libc/nexgen32e/bsr.h"
+#include "libc/nt/process.h"
+#include "libc/nt/runtime.h"
+#include "libc/sysv/consts/nr.h"
+#if !(__ASSEMBLER__ + __LINKER__ + 0)
+COSMOPOLITAN_C_START_
+
+extern char __fatalbuf[];
+
+forceinline int __getpid(void) {
+  int rc;
+  if (!IsWindows()) {
+    asm volatile("call\t__syscall__"
+                 : "=a"(rc)
+                 : "0"(__NR_getpid)
+                 : "rcx", "r11", "memory");
+    return rc;
+  } else {
+    return GetCurrentProcessId();
+  }
+}
+
+forceinline ssize_t __write(const void *data, size_t size) {
+  char cf;
+  ssize_t rc;
+  uint32_t wrote;
+  if (!IsWindows()) {
+    asm volatile("call\t__syscall__"
+                 : "=@ccc"(cf), "=a"(rc)
+                 : "1"(__NR_write), "D"(2), "S"(data), "d"(size)
+                 : "rcx", "r11", "memory");
+    if (cf && IsBsd()) rc = -rc;
+    return rc;
+  } else {
+    if (WriteFile(GetStdHandle(kNtStdErrorHandle), data, size, &wrote, 0)) {
+      return wrote;
+    } else {
+      return -1;
+    }
+  }
+}
+
+forceinline size_t __strlen(const char *s) {
+  size_t i = 0;
+  while (s[i]) ++i;
+  return i;
+}
+
+forceinline ssize_t __write_str(const char *s) {
+  return __write(s, __strlen(s));
+}
+
+forceinline char *__stpcpy(char *d, const char *s) {
+  size_t i;
+  for (i = 0;; ++i) {
+    if (!(d[i] = s[i])) {
+      return d + i;
+    }
+  }
+}
+
+forceinline void *__repmovsb(void *di, void *si, size_t cx) {
+  asm("rep movsb"
+      : "=D"(di), "=S"(si), "=c"(cx), "=m"(*(char(*)[cx])di)
+      : "0"(di), "1"(si), "2"(cx), "m"(*(char(*)[cx])si));
+  return di;
+}
+
+forceinline void *__mempcpy(void *d, const void *s, size_t n) {
+  size_t i;
+  for (i = 0; i < n; ++i) {
+    ((char *)d)[i] = ((const char *)s)[i];
+  }
+  return (char *)d + n;
+}
+
+forceinline char *__uintcpy(char p[static 21], uint64_t x) {
+  char t;
+  size_t i, a, b;
+  i = 0;
+  do {
+    p[i++] = x % 10 + '0';
+    x = x / 10;
+  } while (x > 0);
+  p[i] = '\0';
+  if (i) {
+    for (a = 0, b = i - 1; a < b; ++a, --b) {
+      t = p[a];
+      p[a] = p[b];
+      p[b] = t;
+    }
+  }
+  return p + i;
+}
+
+forceinline char *__intcpy(char p[static 21], int64_t x) {
+  if (x < 0) *p++ = '-', x = -(uint64_t)x;
+  return __uintcpy(p, x);
+}
+
+forceinline char *__fixcpy(char p[hasatleast 17], uint64_t x, uint8_t k) {
+  while (k > 0) *p++ = "0123456789abcdef"[(x >> (k -= 4)) & 15];
+  *p = '\0';
+  return p;
+}
+
+forceinline char *__hexcpy(char p[hasatleast 17], uint64_t x) {
+  return __fixcpy(p, x, ROUNDUP(x ? bsrl(x) + 1 : 1, 4));
+}
+
+void __printf(const char *, ...);
+
+COSMOPOLITAN_C_END_
+#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
+#endif /* COSMOPOLITAN_LIBC_LOG_LIBFATAL_INTERNAL_H_ */