diff --git a/src/files.c b/src/files.c
index 11e5a3c216936aadb1453b82f44ee19676c2f082..7d9abcf3eb14e439fa34bd85e62a45955ab9768d 100644
--- a/src/files.c
+++ b/src/files.c
@@ -1178,8 +1178,7 @@ void do_insertfile(
size_t top_x, bot_x;
mark_order((const filestruct **)&top, &top_x,
- (const filestruct **)&bot, &bot_x,
- &right_side_up);
+ (const filestruct **)&bot, &bot_x, &right_side_up);
single_line = (top == bot);
}
diff --git a/src/nano.c b/src/nano.c
index e923917d1a7487974b8791187c17262444d5c06f..2014d537d1296762041ecc138f56479e76fe9f38 100644
--- a/src/nano.c
+++ b/src/nano.c
@@ -218,17 +218,15 @@ partition *partition_filestruct(filestruct *top, size_t top_x,
} else
p->filebot = NULL;
- /* Save the line above the top of the partition, detach the top of
- * the partition from it, and save the text before top_x in
- * top_data. */
+ /* Remember which line is above the top of the partition, detach the
+ * top of the partition from it, and save the text before top_x. */
p->top_prev = top->prev;
top->prev = NULL;
p->top_data = mallocstrncpy(NULL, top->data, top_x + 1);
p->top_data[top_x] = '\0';
- /* Save the line below the bottom of the partition, detach the
- * bottom of the partition from it, and save the text after bot_x in
- * bot_data. */
+ /* Remember which line is below the bottom of the partition, detach the
+ * bottom of the partition from it, and save the text after bot_x. */
p->bot_next = bot->next;
bot->next = NULL;
p->bot_data = mallocstrcpy(NULL, bot->data + bot_x);
@@ -237,8 +235,7 @@ partition *partition_filestruct(filestruct *top, size_t top_x,
null_at(&bot->data, bot_x);
/* Remove all text before top_x at the top of the partition. */
- charmove(top->data, top->data + top_x, strlen(top->data) -
- top_x + 1);
+ charmove(top->data, top->data + top_x, strlen(top->data) - top_x + 1);
align(&top->data);
/* Return the partition. */
@@ -261,7 +258,7 @@ void unpartition_filestruct(partition **p)
if (openfile->fileage->prev != NULL)
openfile->fileage->prev->next = openfile->fileage;
openfile->fileage->data = charealloc(openfile->fileage->data,
- strlen((*p)->top_data) + strlen(openfile->fileage->data) + 1);
+ strlen((*p)->top_data) + strlen(openfile->fileage->data) + 1);
strcpy(openfile->fileage->data, (*p)->top_data);
free((*p)->top_data);
strcat(openfile->fileage->data, tmp);
@@ -274,7 +271,7 @@ void unpartition_filestruct(partition **p)
if (openfile->filebot->next != NULL)
openfile->filebot->next->prev = openfile->filebot;
openfile->filebot->data = charealloc(openfile->filebot->data,
- strlen(openfile->filebot->data) + strlen((*p)->bot_data) + 1);
+ strlen(openfile->filebot->data) + strlen((*p)->bot_data) + 1);
strcat(openfile->filebot->data, (*p)->bot_data);
free((*p)->bot_data);
@@ -315,9 +312,8 @@ void move_to_filestruct(filestruct **file_top, filestruct **file_bot,
* the edit window is inside the partition, and keep track of
* whether the mark begins inside the partition. */
filepart = partition_filestruct(top, top_x, bot, bot_x);
- edittop_inside = (openfile->edittop->lineno >=
- openfile->fileage->lineno && openfile->edittop->lineno <=
- openfile->filebot->lineno);
+ edittop_inside = (openfile->edittop->lineno >= openfile->fileage->lineno &&
+ openfile->edittop->lineno <= openfile->filebot->lineno);
#ifndef NANO_TINY
if (openfile->mark_set) {
mark_inside = (openfile->mark_begin->lineno >=
@@ -332,8 +328,7 @@ void move_to_filestruct(filestruct **file_top, filestruct **file_bot,
}
#endif
- /* Get the number of characters in the text, and subtract it from
- * totsize. */
+ /* Subtract the number of characters in the text from the file size. */
openfile->totsize -= get_totsize(top, bot);
if (*file_top == NULL) {
@@ -343,7 +338,7 @@ void move_to_filestruct(filestruct **file_top, filestruct **file_bot,
*file_top = openfile->fileage;
*file_bot = openfile->filebot;
- /* Renumber starting with file_top. */
+ /* Renumber, starting with file_top. */
renumber(*file_top);
} else {
filestruct *file_bot_save = *file_bot;
@@ -366,13 +361,11 @@ void move_to_filestruct(filestruct **file_top, filestruct **file_bot,
delete_node(openfile->fileage);
- /* Renumber starting with the line after the original
- * file_bot. */
+ /* Renumber, starting with the line after the original file_bot. */
renumber(file_bot_save->next);
}
- /* Since the text has now been saved, remove it from the
- * filestruct. */
+ /* Since the text has now been saved, remove it from the filestruct. */
openfile->fileage = (filestruct *)nmalloc(sizeof(filestruct));
openfile->fileage->data = mallocstrcpy(NULL, "");
openfile->filebot = openfile->fileage;
@@ -408,12 +401,10 @@ void move_to_filestruct(filestruct **file_top, filestruct **file_bot,
refresh_needed = TRUE;
}
- /* Renumber starting with the beginning line of the old
- * partition. */
+ /* Renumber, starting with the beginning line of the old partition. */
renumber(top_save);
- /* If the NO_NEWLINES flag isn't set, and the text doesn't end with
- * a magicline, add a new magicline. */
+ /* If the text doesn't end with a magicline, and it should, add one. */
if (!ISSET(NO_NEWLINES) && openfile->filebot->data[0] != '\0')
new_magicline();
}
@@ -439,17 +430,16 @@ void copy_from_filestruct(filestruct *somebuffer)
size_t top_x, bot_x;
mark_order((const filestruct **)&top, &top_x,
- (const filestruct **)&bot, &bot_x, &right_side_up);
+ (const filestruct **)&bot, &bot_x, &right_side_up);
single_line = (top == bot);
}
#endif
- /* Partition the filestruct so that it contains no text, and keep
- * track of whether the top of the edit window is inside the
- * partition. */
- filepart = partition_filestruct(openfile->current,
- openfile->current_x, openfile->current, openfile->current_x);
+ /* Partition the filestruct so that it contains no text, and remember
+ * whether the top of the edit window is at the start of the buffer. */
+ filepart = partition_filestruct(openfile->current, openfile->current_x,
+ openfile->current, openfile->current_x);
edittop_inside = (openfile->edittop == openfile->fileage);
/* Put the top and bottom of the current filestruct at the top and
@@ -489,10 +479,8 @@ void copy_from_filestruct(filestruct *somebuffer)
}
#endif
- /* Get the number of characters in the copied text, and add it to
- * totsize. */
- openfile->totsize += get_totsize(openfile->fileage,
- openfile->filebot);
+ /* Add the number of characters in the copied text to the file size. */
+ openfile->totsize += get_totsize(openfile->fileage, openfile->filebot);
/* Update the current y-coordinate to account for the number of
* lines the copied text has, less one since the first line will be
@@ -510,12 +498,10 @@ void copy_from_filestruct(filestruct *somebuffer)
* again, plus the copied text. */
unpartition_filestruct(&filepart);
- /* Renumber starting with the beginning line of the old
- * partition. */
+ /* Renumber, starting with the beginning line of the old partition. */
renumber(top_save);
- /* If the NO_NEWLINES flag isn't set, and the text doesn't end with
- * a magicline, add a new magicline. */
+ /* If the text doesn't end with a magicline, and it should, add one. */
if (!ISSET(NO_NEWLINES) && openfile->filebot->data[0] != '\0')
new_magicline();
}
@@ -1864,12 +1850,11 @@ void do_output(char *output, size_t output_len, bool allow_cntrls)
#endif
while (i < output_len) {
- /* If allow_cntrls is TRUE, convert nulls and newlines properly. */
+ /* If control codes are allowed, encode a null as a newline, and
+ * let a newline character create a whole new line. */
if (allow_cntrls) {
- /* Null to newline, if needed. */
if (output[i] == '\0')
output[i] = '\n';
- /* Newline to Enter, if needed. */
else if (output[i] == '\n') {
do_enter();
i++;
@@ -1877,31 +1862,29 @@ void do_output(char *output, size_t output_len, bool allow_cntrls)
}
}
- /* Interpret the next multibyte character. */
+ /* Get the next multibyte character. */
char_buf_len = parse_mbchar(output + i, char_buf, NULL);
i += char_buf_len;
- /* If allow_cntrls is FALSE, filter out an ASCII control character. */
+ /* If controls are not allowed, ignore an ASCII control character. */
if (!allow_cntrls && is_ascii_cntrl_char(*(output + i - char_buf_len)))
continue;
- /* If the NO_NEWLINES flag isn't set, when a character is
- * added to the magicline, it means we need a new magicline. */
+ /* If we're adding to the magicline, create a new magicline. */
if (!ISSET(NO_NEWLINES) && openfile->filebot == openfile->current)
new_magicline();
- /* More dangerousness fun =) */
- openfile->current->data = charealloc(openfile->current->data,
- current_len + char_buf_len + 1);
-
assert(openfile->current_x <= current_len);
+ /* Make room for the new character and copy it into the line. */
+ openfile->current->data = charealloc(openfile->current->data,
+ current_len + char_buf_len + 1);
charmove(openfile->current->data + openfile->current_x + char_buf_len,
openfile->current->data + openfile->current_x,
current_len - openfile->current_x + 1);
strncpy(openfile->current->data + openfile->current_x, char_buf,
- char_buf_len);
+ char_buf_len);
current_len += char_buf_len;
openfile->totsize++;
set_modified();
diff --git a/src/search.c b/src/search.c
index 0abea2dd33d543cefff838c00cf965cf4ca4c61b..f72415759e8999232400e5e43a96c8d3da6e42f6 100644
--- a/src/search.c
+++ b/src/search.c
@@ -628,7 +628,7 @@ ssize_t do_replace_loop(
if (old_mark_set) {
/* If the mark is on, frame the region, and turn the mark off. */
mark_order((const filestruct **)&top, &top_x,
- (const filestruct **)&bot, &bot_x, &right_side_up);
+ (const filestruct **)&bot, &bot_x, &right_side_up);
openfile->mark_set = FALSE;
/* Start either at the top or the bottom of the marked region. */
diff --git a/src/text.c b/src/text.c
index 0c4c04a025dcb73d19bf2e514f5340e499ff80cf..8800bdd083cee1d4bb1a476bb6783a3626faa0a1 100644
--- a/src/text.c
+++ b/src/text.c
@@ -306,7 +306,7 @@ void do_indent(ssize_t cols)
/* If the mark is on, use all lines covered by the mark. */
if (openfile->mark_set)
mark_order((const filestruct **)&top, &top_x,
- (const filestruct **)&bot, &bot_x, NULL);
+ (const filestruct **)&bot, &bot_x, NULL);
/* Otherwise, use the current line. */
else {
top = openfile->current;
@@ -472,8 +472,8 @@ void do_comment()
/* Determine which lines to work on. */
if (openfile->mark_set)
- mark_order((const filestruct **) &top, &top_x,
- (const filestruct **) &bot, &bot_x, NULL);
+ mark_order((const filestruct **)&top, &top_x,
+ (const filestruct **)&bot, &bot_x, NULL);
else {
top = openfile->current;
bot = top;
@@ -2037,7 +2037,7 @@ void backup_lines(filestruct *first_line, size_t par_len)
* current and filebot if filebot is the last line in the
* paragraph. */
assert(par_len > 0 && openfile->current->lineno + par_len <=
- openfile->filebot->lineno + 1);
+ openfile->filebot->lineno + 1);
/* Move bot down par_len lines to the line after the last line of
* the paragraph, if there is one. */
@@ -2047,7 +2047,7 @@ void backup_lines(filestruct *first_line, size_t par_len)
/* Move the paragraph from the current buffer's filestruct to the
* justify buffer. */
move_to_filestruct(&jusbuffer, &jusbottom, top, 0, bot,
- (i == 1 && bot == openfile->filebot) ? strlen(bot->data) : 0);
+ (i == 1 && bot == openfile->filebot) ? strlen(bot->data) : 0);
/* Copy the paragraph back to the current buffer's filestruct from
* the justify buffer. */
@@ -2524,8 +2524,8 @@ void do_justify(bool full_justify)
/* Partition the filestruct so that it contains only the
* text of the justified paragraph. */
filepart = partition_filestruct(first_par_line, 0,
- last_par_line, filebot_inpar ?
- strlen(last_par_line->data) : 0);
+ last_par_line, filebot_inpar ?
+ strlen(last_par_line->data) : 0);
/* Remove the text of the justified paragraph, and
* replace it with the text in the justify buffer. */
@@ -2650,7 +2650,7 @@ bool do_int_spell_fix(const char *word)
/* If the mark is on, start at the beginning of the marked region. */
if (old_mark_set) {
mark_order((const filestruct **)&top, &top_x,
- (const filestruct **)&bot, &bot_x, &right_side_up);
+ (const filestruct **)&bot, &bot_x, &right_side_up);
/* If the region is marked normally, swap the end points, so that
* (current, current_x) (where searching starts) is at the top. */
if (right_side_up) {
@@ -3030,7 +3030,7 @@ const char *do_alt_speller(char *tempfile_name)
if (old_mark_set) {
/* Trim the filestruct so that it contains only the marked text. */
mark_order((const filestruct **)&top, &top_x,
- (const filestruct **)&bot, &bot_x, &right_side_up);
+ (const filestruct **)&bot, &bot_x, &right_side_up);
filepart = partition_filestruct(top, top_x, bot, bot_x);
/* Foresay whether a magicline will be added when the
@@ -3606,7 +3606,7 @@ void do_wordlinechar_count(void)
* contains only the marked text, and turn the mark off. */
if (old_mark_set) {
mark_order((const filestruct **)&top, &top_x,
- (const filestruct **)&bot, &bot_x, NULL);
+ (const filestruct **)&bot, &bot_x, NULL);
filepart = partition_filestruct(top, top_x, bot, bot_x);
openfile->mark_set = FALSE;
}
diff --git a/src/utils.c b/src/utils.c
index 2b6dbb17bbf3046d3b303e66d4c3d9bec9302687..44114994bd2d5aa7409bddfd7b611795ffca81ee 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -539,8 +539,9 @@ void new_magicline(void)
void remove_magicline(void)
{
if (openfile->filebot->data[0] == '\0' &&
- openfile->filebot != openfile->fileage) {
- assert(openfile->filebot != openfile->edittop && openfile->filebot != openfile->current);
+ openfile->filebot != openfile->fileage) {
+ assert(openfile->filebot != openfile->edittop &&
+ openfile->filebot != openfile->current);
openfile->filebot = openfile->filebot->prev;
free_filestruct(openfile->filebot->next);
@@ -560,8 +561,8 @@ void mark_order(const filestruct **top, size_t *top_x, const filestruct
assert(top != NULL && top_x != NULL && bot != NULL && bot_x != NULL);
if ((openfile->current->lineno == openfile->mark_begin->lineno &&
- openfile->current_x > openfile->mark_begin_x) ||
- openfile->current->lineno > openfile->mark_begin->lineno) {
+ openfile->current_x > openfile->mark_begin_x) ||
+ openfile->current->lineno > openfile->mark_begin->lineno) {
*top = openfile->mark_begin;
*top_x = openfile->mark_begin_x;
*bot = openfile->current;
diff --git a/src/winio.c b/src/winio.c
index 5a6892d78dd312e8bf393c157df8e3ca3e19fd91..511c96a168d3a0bfb51d38b699fd1b2d6f85b240 100644
--- a/src/winio.c
+++ b/src/winio.c
@@ -2586,21 +2586,19 @@ void edit_draw(filestruct *fileptr, const char *converted, int
#endif /* !DISABLE_COLOR */
#ifndef NANO_TINY
- /* If the mark is on, we need to display it. */
- if (openfile->mark_set && (fileptr->lineno <=
- openfile->mark_begin->lineno || fileptr->lineno <=
- openfile->current->lineno) && (fileptr->lineno >=
- openfile->mark_begin->lineno || fileptr->lineno >=
- openfile->current->lineno)) {
- /* fileptr is at least partially selected. */
- const filestruct *top;
- /* Either current or mark_begin, whichever is first. */
- size_t top_x;
- /* current_x or mark_begin_x, corresponding to top. */
- const filestruct *bot;
- size_t bot_x;
+ /* If the mark is on, and fileptr is at least partially selected, we
+ * need to paint it. */
+ if (openfile->mark_set &&
+ (fileptr->lineno <= openfile->mark_begin->lineno ||
+ fileptr->lineno <= openfile->current->lineno) &&
+ (fileptr->lineno >= openfile->mark_begin->lineno ||
+ fileptr->lineno >= openfile->current->lineno)) {
+ const filestruct *top, *bot;
+ /* The lines where the marked region begins and ends. */
+ size_t top_x, bot_x;
+ /* The x positions where the marked region begins and ends. */
int x_start;
- /* Starting column for mvwaddnstr(). Zero-based. */
+ /* The starting column for mvwaddnstr(). Zero-based. */
int paintlen;
/* Number of characters to paint on this line. There are
* COLS characters on a whole line. */
@@ -2614,7 +2612,7 @@ void edit_draw(filestruct *fileptr, const char *converted, int
if (bot->lineno > fileptr->lineno || bot_x > endpos)
bot_x = endpos;
- /* The selected bit of fileptr is on this page. */
+ /* Only paint if the marked bit of fileptr is on this page. */
if (top_x < endpos && bot_x > startpos) {
assert(startpos <= top_x);
@@ -2630,8 +2628,7 @@ void edit_draw(filestruct *fileptr, const char *converted, int
if (bot_x >= endpos)
paintlen = -1;
else
- paintlen = strnlenpt(fileptr->data, bot_x) - (x_start +
- start);
+ paintlen = strnlenpt(fileptr->data, bot_x) - (x_start + start);
/* If x_start is before the beginning of the page, shift
* paintlen x_start characters to compensate, and put
@@ -2649,8 +2646,7 @@ void edit_draw(filestruct *fileptr, const char *converted, int
paintlen = actual_x(converted + index, paintlen);
wattron(edit, hilite_attribute);
- mvwaddnstr(edit, line, x_start, converted + index,
- paintlen);
+ mvwaddnstr(edit, line, x_start, converted + index, paintlen);
wattroff(edit, hilite_attribute);
}
}