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tweaks: frob two statements, condense another, and add a comment 

Also, remove two superfluous closings of file descriptors.  The second
one has most likely already been closed by send_data(), by closing the
tube, and the first one will be closed by exiting from the process.
master
Benno Schulenberg 2020-02-28 12:34:28 +01:00
parent 3b3a6b12a7
commit 1a28b08694
1 changed files with 4 additions and 8 deletions
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12
src/text.c
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@ -289,7 +289,7 @@ void handle_indent_action(undostruct *u, bool undoing, bool add_indent)
goto_line_posx(u->head_lineno, u->head_x);
/* For each line in the group, add or remove the individual indent. */
while (line && line->lineno <= group->bottom_line) {
while (line != NULL && line->lineno <= group->bottom_line) {
char *blanks = group->indentations[line->lineno - group->top_line];
if (undoing ^ add_indent)
@ -468,10 +468,7 @@ void handle_comment_action(undostruct *u, bool undoing, bool add_comment)
/* Undo a cut, or redo a paste. */
void undo_cut(undostruct *u)
{
if (u->xflags & WAS_WHOLE_LINE)
goto_line_posx(u->tail_lineno, 0);
else
goto_line_posx(u->tail_lineno, u->tail_x);
goto_line_posx(u->tail_lineno, (u->xflags & WAS_WHOLE_LINE) ? 0 : u->tail_x);
copy_from_buffer(u->cutbuffer);
@ -910,7 +907,7 @@ void send_data(const linestruct *line, int fd)
FILE *tube = fdopen(fd, "w");
if (tube == NULL)
return;
exit(4);
/* Send each line, except a final empty line. */
while (line != NULL && (line->next != NULL || line->data[0] != '\0')) {
@ -1000,10 +997,9 @@ bool execute_command(const char *command)
update_undo(CUT);
}
/* Create a separate process for piping the data to the command. */
if (fork() == 0) {
close(to_fd[0]);
send_data(cutbuffer != NULL ? cutbuffer : openfile->filetop, to_fd[1]);
close(to_fd[1]);
exit(0);
}