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| author | Eric Andersen <andersen@codepoet.org> | 2001-02-22 00:22:46 +0000 |
|---|---|---|
| committer | Eric Andersen <andersen@codepoet.org> | 2001-02-22 00:22:46 +0000 |
| commit | be30a6b8b008aeacacf0a83fe24cadf4f99f2d93 (patch) | |
| tree | 1a952fac04a1d18f9f11ebb5d561bff16f19c31c | |
| parent | 54006bce2515521cb1388b80e64261b2940dcff8 (diff) | |
| download | busybox-be30a6b8b008aeacacf0a83fe24cadf4f99f2d93.tar.gz | |
Adjust the terminal height for any overlap, so that no lines
get lost off the top
-Erik
| -rw-r--r-- | more.c | 21 | ||||
| -rw-r--r-- | util-linux/more.c | 21 |
2 files changed, 32 insertions, 10 deletions
@@ -71,6 +71,7 @@ extern int more_main(int argc, char **argv) int please_display_more_prompt = 0; struct stat st; FILE *file; + int len; #if defined BB_FEATURE_AUTOWIDTH && defined BB_FEATURE_USE_TERMIOS struct winsize win = { 0, 0, 0, 0 }; @@ -112,12 +113,12 @@ extern int more_main(int argc, char **argv) (void) signal(SIGTERM, gotsig); #endif + len = 0; while ((c = getc(file)) != EOF) { - if (please_display_more_prompt) { - int len = 0; - please_display_more_prompt = 0; + if (please_display_more_prompt) { lines = 0; + please_display_more_prompt = 0; len = printf("--More-- "); if (file != stdin) { #if _FILE_OFFSET_BITS == 64 @@ -160,7 +161,7 @@ extern int more_main(int argc, char **argv) putc('\b', stdout); fflush(stdout); #endif - + len=0; } /* @@ -183,14 +184,24 @@ extern int more_main(int argc, char **argv) please_display_more_prompt = 1; break; } - if (++lines == terminal_height) + /* Adjust the terminal height for any overlap, so that + * no lines get lost off the top. */ + if (len) { + div_t result = div( len, terminal_width); + if (result.quot) + terminal_height-=(result.quot-1); + } + if (++lines == terminal_height) { please_display_more_prompt = 1; + } + len=0; } /* * If we just read a newline from the file being 'mored' and any * key other than a return is hit, scroll by one page */ putc(c, stdout); + len++; } fclose(file); fflush(stdout); diff --git a/util-linux/more.c b/util-linux/more.c index 298e1cfb1..77e0c2f7e 100644 --- a/util-linux/more.c +++ b/util-linux/more.c @@ -71,6 +71,7 @@ extern int more_main(int argc, char **argv) int please_display_more_prompt = 0; struct stat st; FILE *file; + int len; #if defined BB_FEATURE_AUTOWIDTH && defined BB_FEATURE_USE_TERMIOS struct winsize win = { 0, 0, 0, 0 }; @@ -112,12 +113,12 @@ extern int more_main(int argc, char **argv) (void) signal(SIGTERM, gotsig); #endif + len = 0; while ((c = getc(file)) != EOF) { - if (please_display_more_prompt) { - int len = 0; - please_display_more_prompt = 0; + if (please_display_more_prompt) { lines = 0; + please_display_more_prompt = 0; len = printf("--More-- "); if (file != stdin) { #if _FILE_OFFSET_BITS == 64 @@ -160,7 +161,7 @@ extern int more_main(int argc, char **argv) putc('\b', stdout); fflush(stdout); #endif - + len=0; } /* @@ -183,14 +184,24 @@ extern int more_main(int argc, char **argv) please_display_more_prompt = 1; break; } - if (++lines == terminal_height) + /* Adjust the terminal height for any overlap, so that + * no lines get lost off the top. */ + if (len) { + div_t result = div( len, terminal_width); + if (result.quot) + terminal_height-=(result.quot-1); + } + if (++lines == terminal_height) { please_display_more_prompt = 1; + } + len=0; } /* * If we just read a newline from the file being 'mored' and any * key other than a return is hit, scroll by one page */ putc(c, stdout); + len++; } fclose(file); fflush(stdout); |