Make improvements

- Fix build flakes
- Polyfill SIGWINCH on Windows
- Fix an execve issue on Windows
- Make strerror show more information
- Improve cmd.exe setup/teardown on Windows
- Support bracketed paste mode in Blinkenlights
- Show keyboard shortcuts in Blinkenlights status bar
- Fixed copy_file_range() and copyfile() w/ zip filesystem
- Size optimize GetDosArgv() to keep life.com 12kb in size
- Improve Blinkenlights ability to load weird ELF executables
- Fix program_executable_name and add GetInterpreterExecutableName
- Make Python in tiny mode fail better if docstrings are requested
- Update Python test exclusions in tiny* modes such as tinylinux
- Add bulletproof unbreakable kprintf() troubleshooting function
- Remove "oldskool" keyword from ape.S for virus scanners
- Fix issue that caused backtraces to not print sometimes
- Improve Blinkenlights serial uart character i/o
- Make clock_gettime() not clobber errno on xnu
- Improve sha256 cpuid check for old computers
- Integrate some bestline linenoise fixes
- Show runit process names better in htop
- Remove SIGPIPE from ShowCrashReports()
- Make realpath() not clobber errno
- Avoid attaching GDB on non-Linux
- Improve img.com example

libc/intrin/asan.internal.h

@@ -1,29 +1,10 @@
 #ifndef COSMOPOLITAN_LIBC_INTRIN_ASAN_H_
 #define COSMOPOLITAN_LIBC_INTRIN_ASAN_H_
 #include "libc/calls/struct/iovec.h"
+#include "libc/intrin/asancodes.h"
 #include "libc/macros.internal.h"
-
-#define kAsanScale          3
-#define kAsanMagic          0x7fff8000
-#define kAsanNullPage       -1  /* ∅ 0xff */
-#define kAsanProtected      -2  /* P 0xfe */
-#define kAsanHeapFree       -3  /* F 0xfd */
-#define kAsanHeapRelocated  -4  /* R 0xfc */
-#define kAsanAllocaOverrun  -5  /* 𝑂 0xfb */
-#define kAsanHeapUnderrun   -6  /* U 0xfa */
-#define kAsanHeapOverrun    -7  /* O 0xf9 */
-#define kAsanStackUnscoped  -8  /* s 0xf8 */
-#define kAsanStackOverflow  -9  /* ! 0xf7 */
-#define kAsanGlobalOrder    -10 /* I 0xf6 */
-#define kAsanStackFree      -11 /* r 0xf5 */
-#define kAsanStackPartial   -12 /* p 0xf4 */
-#define kAsanStackOverrun   -13 /* o 0xf3 */
-#define kAsanStackMiddle    -14 /* m 0xf2 */
-#define kAsanStackUnderrun  -15 /* u 0xf1 */
-#define kAsanAllocaUnderrun -16 /* 𝑈 0xf0 */
-#define kAsanUnmapped       -17 /* M 0xef */
-#define kAsanGlobalRedzone  -18 /* G 0xee */
-#define kAsanGlobalGone     -19 /* 𝐺 0xed */
+#if !(__ASSEMBLER__ + __LINKER__ + 0)
+COSMOPOLITAN_C_START_
 
 #define SHADOW(x)   ((signed char *)(((intptr_t)(x) >> kAsanScale) + kAsanMagic))
 #define UNSHADOW(x) ((void *)(MAX(0, (intptr_t)(x)-kAsanMagic) << kAsanScale))
@@ -32,7 +13,7 @@ typedef void __asan_die_f(void);
 
 struct AsanFault {
   signed char kind;
-  signed char *shadow;
+  const signed char *shadow;
 };
 
 extern bool __asan_noreentry;
@@ -58,4 +39,6 @@ void *__asan_memalign(size_t, size_t);
 size_t __asan_get_heap_size(const void *);
 void *__asan_realloc_in_place(void *, size_t);
 
+COSMOPOLITAN_C_END_
+#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
 #endif /* COSMOPOLITAN_LIBC_INTRIN_ASAN_H_ */