diff options
| -rw-r--r-- | miscutils/less.c | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/miscutils/less.c b/miscutils/less.c index 3db7c9c..b0e2754 100644 --- a/miscutils/less.c +++ b/miscutils/less.c @@ -342,6 +342,23 @@ static void status_print(void) print_hilite(p); } +static void cap_cur_fline(int nlines) +{ + int diff; + if (cur_fline < 0) + cur_fline = 0; + if (cur_fline + max_displayed_line > max_fline + TILDES) { + cur_fline -= nlines; + if (cur_fline < 0) + cur_fline = 0; + diff = max_fline - (cur_fline + max_displayed_line) + TILDES; + /* As the number of lines requested was too large, we just move + to the end of the file */ + if (diff > 0) + cur_fline += diff; + } +} + static char controls[] = /* NUL: never encountered; TAB: not converted */ /**/"\x01\x02\x03\x04\x05\x06\x07\x08" "\x0a\x0b\x0c\x0d\x0e\x0f" @@ -479,18 +496,9 @@ static void buffer_fill_and_print(void) /* Move the buffer up and down in the file in order to scroll */ static void buffer_down(int nlines) { - int diff; cur_fline += nlines; read_lines(); - - if (cur_fline + max_displayed_line > max_fline + TILDES) { - cur_fline -= nlines; - diff = max_fline - (cur_fline + max_displayed_line) + TILDES; - /* As the number of lines requested was too large, we just move - to the end of the file */ - if (diff > 0) - cur_fline += diff; - } + cap_cur_fline(nlines); buffer_fill_and_print(); } @@ -763,6 +771,7 @@ static void goto_match(int match) if (match >= num_matches && eof_error > 0) { cur_fline = MAXLINES; /* look as far as needed */ read_lines(); + cap_cur_fline(cur_fline); } if (num_matches) { normalize_match_pos(match); |