Adjust the terminal height for any overlap, so that no lines
get lost off the top -Erik
This commit is contained in:
parent
54006bce25
commit
be30a6b8b0
21
more.c
21
more.c
@ -71,6 +71,7 @@ extern int more_main(int argc, char **argv)
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int please_display_more_prompt = 0;
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struct stat st;
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FILE *file;
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int len;
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#if defined BB_FEATURE_AUTOWIDTH && defined BB_FEATURE_USE_TERMIOS
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struct winsize win = { 0, 0, 0, 0 };
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@ -112,12 +113,12 @@ extern int more_main(int argc, char **argv)
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(void) signal(SIGTERM, gotsig);
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#endif
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len = 0;
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while ((c = getc(file)) != EOF) {
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if (please_display_more_prompt) {
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int len = 0;
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please_display_more_prompt = 0;
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if (please_display_more_prompt) {
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lines = 0;
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please_display_more_prompt = 0;
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len = printf("--More-- ");
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if (file != stdin) {
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#if _FILE_OFFSET_BITS == 64
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@ -160,7 +161,7 @@ extern int more_main(int argc, char **argv)
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putc('\b', stdout);
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fflush(stdout);
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#endif
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len=0;
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}
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/*
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@ -183,14 +184,24 @@ extern int more_main(int argc, char **argv)
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please_display_more_prompt = 1;
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break;
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}
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if (++lines == terminal_height)
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/* Adjust the terminal height for any overlap, so that
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* no lines get lost off the top. */
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if (len) {
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div_t result = div( len, terminal_width);
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if (result.quot)
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terminal_height-=(result.quot-1);
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}
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if (++lines == terminal_height) {
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please_display_more_prompt = 1;
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}
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len=0;
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}
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/*
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* If we just read a newline from the file being 'mored' and any
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* key other than a return is hit, scroll by one page
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*/
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putc(c, stdout);
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len++;
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}
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fclose(file);
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fflush(stdout);
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@ -71,6 +71,7 @@ extern int more_main(int argc, char **argv)
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int please_display_more_prompt = 0;
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struct stat st;
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FILE *file;
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int len;
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#if defined BB_FEATURE_AUTOWIDTH && defined BB_FEATURE_USE_TERMIOS
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struct winsize win = { 0, 0, 0, 0 };
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@ -112,12 +113,12 @@ extern int more_main(int argc, char **argv)
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(void) signal(SIGTERM, gotsig);
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#endif
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len = 0;
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while ((c = getc(file)) != EOF) {
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if (please_display_more_prompt) {
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int len = 0;
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please_display_more_prompt = 0;
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if (please_display_more_prompt) {
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lines = 0;
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please_display_more_prompt = 0;
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len = printf("--More-- ");
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if (file != stdin) {
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#if _FILE_OFFSET_BITS == 64
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@ -160,7 +161,7 @@ extern int more_main(int argc, char **argv)
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putc('\b', stdout);
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fflush(stdout);
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#endif
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len=0;
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}
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/*
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@ -183,14 +184,24 @@ extern int more_main(int argc, char **argv)
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please_display_more_prompt = 1;
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break;
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}
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if (++lines == terminal_height)
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/* Adjust the terminal height for any overlap, so that
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* no lines get lost off the top. */
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if (len) {
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div_t result = div( len, terminal_width);
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if (result.quot)
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terminal_height-=(result.quot-1);
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}
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if (++lines == terminal_height) {
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please_display_more_prompt = 1;
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}
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len=0;
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}
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/*
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* If we just read a newline from the file being 'mored' and any
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* key other than a return is hit, scroll by one page
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*/
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putc(c, stdout);
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len++;
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}
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fclose(file);
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fflush(stdout);
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