Make exciting improvements

- Add Lua backtraces to redbean!
- Wipe serving keys after redbean forks
- Audit redbean to remove free via exit
- Log SSL client ciphersuite preferences
- Increase ASAN malloc() backtrace depth
- Make GetSslRoots() behave as a singleton
- Move leaks.c from LIBC_TESTLIB to LIBC_LOG
- Add undocumented %n to printf() for newlines
- Fix redbean memory leak reindexing inode change
- Fix redbean memory leak with Fetch() DNS object
- Restore original environ after __cxa_finalize()
- Make backtrace always work after __cxa_finalize()
- Introduce COUNTEXPR() diagnostic / benchmark tool
- Fix a few more instances of errno being clobbered
- Consolidate the ANSI color disabling internal APIs

libc/log/color.internal.h

@@ -1,20 +1,17 @@
 #ifndef COSMOPOLITAN_LIBC_LOG_COLOR_H_
 #define COSMOPOLITAN_LIBC_LOG_COLOR_H_
+#include "libc/log/internal.h"
 #if !(__ASSEMBLER__ + __LINKER__ + 0)
-COSMOPOLITAN_C_START_
 
-#define CLS    (cancolor() ? "\r\e[J" : "")
-#define RED    (cancolor() ? "\e[30;101m" : "")
-#define GREEN  (cancolor() ? "\e[32m" : "")
-#define UNBOLD (cancolor() ? "\e[22m" : "")
-#define RED2   (cancolor() ? "\e[91;1m" : "")
-#define BLUE1  (cancolor() ? "\e[94;49m" : "")
-#define BLUE2  (cancolor() ? "\e[34m" : "")
-#define RESET  (cancolor() ? "\e[0m" : "")
-#define SUBTLE (cancolor() ? "\e[35m" : "")
+#define CLS    (!__nocolor ? "\r\e[J" : "")
+#define RED    (!__nocolor ? "\e[30;101m" : "")
+#define GREEN  (!__nocolor ? "\e[32m" : "")
+#define UNBOLD (!__nocolor ? "\e[22m" : "")
+#define RED2   (!__nocolor ? "\e[91;1m" : "")
+#define BLUE1  (!__nocolor ? "\e[94;49m" : "")
+#define BLUE2  (!__nocolor ? "\e[34m" : "")
+#define RESET  (!__nocolor ? "\e[0m" : "")
+#define SUBTLE (!__nocolor ? "\e[35m" : "")
 
-bool cancolor(void) nothrow nocallback nosideeffect;
-
-COSMOPOLITAN_C_END_
 #endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
 #endif /* COSMOPOLITAN_LIBC_LOG_COLOR_H_ */