more: WIN32 port

This isn't enabled by default because Windows has `more.com` as a
pager.

Note that enabling `more` also turns on the use of termios for
screen manipulation.  You'll need to turn that off by going to
BusyBox Settings -> BusyBox Library Tuning.

1 files changed, 19 insertions, 0 deletions

diff --git a/util-linux/more.c b/util-linux/more.c
index 359571397..29984df8c 100644
--- a/util-linux/more.c
+++ b/util-linux/more.c
@@ -22,6 +22,9 @@
 //usage:#define more_example_usage
 //usage:       "$ dmesg | more\n"
 
+#if ENABLE_PLATFORM_MINGW32
+#include <conio.h>
+#endif
 #include "libbb.h"
 
 /* Support for FEATURE_USE_TERMIOS */
@@ -77,9 +80,13 @@ int more_main(int argc UNUSED_PARAM, char **argv)
          * is not a tty and turns into cat. This makes sense. */
         if (!isatty(STDOUT_FILENO))
                 return bb_cat(argv);
+#if !ENABLE_PLATFORM_MINGW32
         cin = fopen_for_read(CURRENT_TTY);
         if (!cin)
                 return bb_cat(argv);
+#else
+        cin = stdin;
+#endif
 
         if (ENABLE_FEATURE_USE_TERMIOS) {
                 cin_fileno = fileno(cin);
@@ -135,7 +142,11 @@ int more_main(int argc UNUSED_PARAM, char **argv)
                                  * to get input from the user.
                                  */
                                 for (;;) {
+#if !ENABLE_PLATFORM_MINGW32
                                         input = getc(cin);
+#else
+                                        input = _getch();
+#endif
                                         input = tolower(input);
                                         if (!ENABLE_FEATURE_USE_TERMIOS)
                                                 printf("\033[A"); /* cursor up */
@@ -149,6 +160,10 @@ int more_main(int argc UNUSED_PARAM, char **argv)
                                          * commands, else we show help msg. */
                                         if (input == ' ' || input == '\n' || input == 'q' || input == 'r')
                                                 break;
+#if ENABLE_PLATFORM_MINGW32
+                                        if (input == '\r')
+                                                break;
+#endif
                                         len = printf("(Enter:next line Space:next page Q:quit R:show the rest)");
                                 }
                                 len = 0;
@@ -189,6 +204,10 @@ int more_main(int argc UNUSED_PARAM, char **argv)
                                  * will move us to a new line. */
                                 if (++lines >= terminal_height || input == '\n')
                                         please_display_more_prompt = 1;
+#if ENABLE_PLATFORM_MINGW32
+                                if (input == '\r')
+                                        please_display_more_prompt = 1;
+#endif
                                 len = 0;
                         }
                         if (c != '\n' && wrap) {