From c67c4312395c5e87f067c416ecd087924582c817 Mon Sep 17 00:00:00 2001 From: David Lawrence Ramsey Date: Thu, 12 Jan 2017 17:55:22 -0600 Subject: [PATCH] tweaks: improve comments and formatting in update_line() --- src/winio.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/src/winio.c b/src/winio.c index 1508efaf..1a267062 100644 --- a/src/winio.c +++ b/src/winio.c @@ -2655,9 +2655,11 @@ void edit_draw(filestruct *fileptr, const char *converted, #endif /* !NANO_TINY */ } -/* Redraw one line from the edit buffer. The line will be displayed starting - * with fileptr->data[index]. Likely values of index are current_x or zero. - * Return the number of additional rows consumed (needed for SOFTWRAP). */ +/* Redraw the line at fileptr. The line will be displayed so that the + * character with the given index is visible -- if necessary, the line + * will be horizontally scrolled. In softwrap mode, however, the entire + * line will be displayed. Likely values of index are current_x or zero. + * Return the number of additional rows consumed (when softwrapping). */ int update_line(filestruct *fileptr, size_t index) { int row = 0; @@ -2720,6 +2722,7 @@ int update_line(filestruct *fileptr, size_t index) #ifdef DEBUG fprintf(stderr, "update_line(): softwrap code, moving to %d column %lu\n", row, (unsigned long)from_col); #endif + /* First, blank out the row. */ blank_row(edit, row, 0, COLS); /* Expand the line, replacing tabs with spaces, and control @@ -2737,6 +2740,7 @@ int update_line(filestruct *fileptr, size_t index) } } #endif /* !NANO_TINY */ + return extra_rows; }