Make improvements

- Expand redbean UNIX module
- Expand redbean documentation
- Ensure Lua copyright is embedded in binary
- Increase the PATH_MAX limit especially on NT
- Use column major sorting for linenoise completions
- Fix some suboptimalities in redbean's new UNIX API
- Figured out right flags for Multics newline in raw mode

examples/examples.mk

@@ -151,14 +151,6 @@ o/$(MODE)/examples/hello.com.dbg:						\
 		$(APE_NO_MODIFY_SELF)
 	@$(APELINK)
 
-o/$(MODE)/examples/printargs.com.dbg:						\
-		$(EXAMPLES_DEPS)						\
-		o/$(MODE)/examples/printargs.o					\
-		o/$(MODE)/examples/examples.pkg					\
-		$(CRT)								\
-		$(APE_NO_MODIFY_SELF)
-	@$(APELINK)
-
 o/$(MODE)/examples/nesemu1.o: QUOTA += -M512m
 
 $(EXAMPLES_OBJS): examples/examples.mk

examples/printargs.c

@@ -7,30 +7,8 @@
 │   • http://creativecommons.org/publicdomain/zero/1.0/            │
 ╚─────────────────────────────────────────────────────────────────*/
 #endif
-#include "libc/bits/safemacros.internal.h"
-#include "libc/calls/calls.h"
 #include "libc/runtime/runtime.h"
 
 int main() {
-  int pip[2];
-  char buf[PATH_MAX];
-  char *args[2] = {0};
-  if (strcmp(nulltoempty(getenv("TERM")), "dumb") && isatty(0) && isatty(1) &&
-      ((args[0] = commandv("less", buf)) ||
-       (args[0] = commandv("more", buf)))) {
-    close(0);
-    close(2);
-    pipe(pip);
-    if (!vfork()) {
-      close(2);
-      execv(args[0], args);
-      _Exit(127);
-    }
-    close(0);
-    __printargs("");
-    close(2);
-    wait(0);
-  } else {
-    __printargs("");
-  }
+  __printargs("");
 }

examples/time.c

@@ -67,9 +67,9 @@ int main(int argc, char *argv[]) {
   char *exepath;
   struct rusage r;
   long double real;
-  char exebuf[PATH_MAX];
+  char exebuf[PATH_MAX + 1];
   if (argc >= 2) {
-    if ((exepath = commandv(argv[1], exebuf))) {
+    if ((exepath = commandv(argv[1], exebuf, sizeof(exebuf)))) {
       real = nowl();
       argv[1] = exepath;
       if ((ws = xvspawn(OnChild, argv + 1, &r)) != -1) {

examples/touch.c

@@ -20,7 +20,7 @@
 int main(int argc, char *argv[]) {
   int i;
   for (i = 1; i < argc; ++i) {
-    if (touch(argv[i], 0644) == -1) {
+    if (touch(argv[i], 0666) == -1) {
       fprintf(stderr, "ERROR: %s: %s\n", argv[i], strerror(errno));
       exit(1);
     }