X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=more.c;h=8ae2661ab64bf7e9c45247e254cd910be9431135;hb=f3e79ba6e3b3bfa380241205829d0a78570c9af3;hp=2cfb3a8152dadd48fcd2e847d7067c243bb11d9b;hpb=ffc40bf3de05a50a0f58be80fe76202b6b5972f8;p=oweals%2Fbusybox.git diff --git a/more.c b/more.c index 2cfb3a815..8ae2661ab 100644 --- a/more.c +++ b/more.c @@ -31,9 +31,6 @@ #include #include #include "busybox.h" -#define BB_DECLARE_EXTERN -#define bb_need_help -#include "messages.c" /* ED: sparc termios is broken: revert back to old termio handling. */ #ifdef BB_FEATURE_USE_TERMIOS @@ -67,8 +64,8 @@ static int terminal_height = 24; extern int more_main(int argc, char **argv) { - int c, lines = 0, input = 0; - int please_display_more_prompt = 0; + int c, lines, input = 0; + int please_display_more_prompt; struct stat st; FILE *file; int len, page_height; @@ -91,7 +88,7 @@ extern int more_main(int argc, char **argv) #ifdef BB_FEATURE_USE_TERMIOS cin = fopen("/dev/tty", "r"); if (!cin) - cin = fopen("/dev/console", "r"); + cin = xfopen("/dev/console", "r"); getTermSettings(fileno(cin), &initial_settings); new_settings = initial_settings; new_settings.c_cc[VMIN] = 1; @@ -113,24 +110,24 @@ extern int more_main(int argc, char **argv) (void) signal(SIGTERM, gotsig); #endif - len = 0; + len=0; + lines = 0; page_height = terminal_height; + please_display_more_prompt = 0; while ((c = getc(file)) != EOF) { if (please_display_more_prompt) { - lines = 0; - please_display_more_prompt = 0; len = printf("--More-- "); if (file != stdin) { #if _FILE_OFFSET_BITS == 64 len += printf("(%d%% of %lld bytes)", + (int) (100 * ((double) ftell(file) / + (double) st.st_size)), (long long)st.st_size); #else len += printf("(%d%% of %ld bytes)", + (int) (100 * ((double) ftell(file) / + (double) st.st_size)), (long)st.st_size); #endif - (int) (100 * - ((double) ftell(file) / - (double) st.st_size)), - st.st_size); } len += printf("%s", #ifdef BB_FEATURE_USE_TERMIOS @@ -154,22 +151,25 @@ extern int more_main(int argc, char **argv) #ifdef BB_FEATURE_USE_TERMIOS /* Erase the "More" message */ + putc('\r', stdout); while (--len >= 0) - putc('\b', stdout); - while (++len <= terminal_width) putc(' ', stdout); - while (--len >= 0) - putc('\b', stdout); + putc('\r', stdout); fflush(stdout); #endif len=0; + lines = 0; page_height = terminal_height; + please_display_more_prompt = 0; + + if (input == 'q') + goto end; } /* * There are two input streams to worry about here: * - * c : the character we are reading from the file being "mored" + * c : the character we are reading from the file being "mored" * input : a character received from the keyboard * * If we hit a newline in the _file_ stream, we want to test and @@ -177,18 +177,13 @@ extern int more_main(int argc, char **argv) * allows the user to quit while in the middle of a file. */ if (c == '\n') { - switch (input) { - case 'q': - goto end; - case '\n': - /* increment by just one line if we are at - * the end of this line*/ + /* increment by just one line if we are at + * the end of this line */ + if (input == '\n') please_display_more_prompt = 1; - break; - } /* Adjust the terminal height for any overlap, so that * no lines get lost off the top. */ - if (len) { + if (len >= terminal_width) { div_t result = div( len, terminal_width); if (result.quot) { if (result.rem) @@ -197,7 +192,7 @@ extern int more_main(int argc, char **argv) page_height-=(result.quot-1); } } - if (++lines == page_height) { + if (++lines >= page_height) { please_display_more_prompt = 1; } len=0; @@ -216,7 +211,7 @@ extern int more_main(int argc, char **argv) } while (--argc > 0); end: #ifdef BB_FEATURE_USE_TERMIOS - gotsig(0); + setTermSettings(fileno(cin), &initial_settings); #endif - return(TRUE); + return 0; }