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tweaks: reshuffle another bit of code, for conciseness

This commit is contained in:
Benno Schulenberg 2017-12-24 10:56:16 +01:00
parent c22fef18e4
commit fbde1b2d71
1 changed files with 11 additions and 16 deletions
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27
src/text.c
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@ -293,24 +293,21 @@ void indent_a_line(filestruct *line, char *indentation)
* depending on whether --tabstospaces is in effect. */
void do_indent(void)
{
char *indentation = charalloc(tabsize + 1);
/* The whitespace added to each line in order to indent it. */
char *indentation;
filestruct *top, *bot, *line;
/* Use either all the marked lines or just the current line. */
get_range((const filestruct **)&top, (const filestruct **)&bot);
/* Go through the lines to see if there's a non-empty one. */
for (line = top; line != bot->next; line = line->next) {
if (line->data[0] != '\0')
break;
}
/* Skip any leading empty lines. */
while (top != bot->next && top->data[0] == '\0')
top = top->next;
/* If all lines are empty, there is nothing to do. */
if (line == bot->next) {
free(indentation);
if (top == bot->next)
return;
}
indentation = charalloc(tabsize + 1);
/* Set the indentation to either a bunch of spaces or a single tab. */
if (ISSET(TABS_TO_SPACES)) {
@ -398,14 +395,12 @@ void do_unindent(void)
/* Use either all the marked lines or just the current line. */
get_range((const filestruct **)&top, (const filestruct **)&bot);
/* Check if there is a line that can be unindented. */
for (line = top; line != bot->next; line = line->next) {
if (length_of_white(line->data) != 0)
break;
}
/* Skip any leading lines that cannot be unindented. */
while (top != bot->next && length_of_white(top->data) == 0)
top = top->next;
/* If none of the lines can be unindented, there is nothing to do. */
if (line == bot->next)
if (top == bot->next)
return;
add_undo(UNINDENT);