static int edit_read_file(const char *path)
{
struct line *line;
struct line *lastline = NULL;
char *filebuffer;
char *linestr, *lineend;
struct stat s;
if (!stat(path, &s)) {
filebuffer = read_file(path, NULL);
if (!filebuffer) {
printf("could not read %s: %s\n", path, errno_str());
return -1;
}
linestr = filebuffer;
while (1) {
if (!*linestr)
break;
lineend = strchr(linestr, '\n');
if (!lineend && !*linestr)
break;
if (lineend)
*lineend = 0;
line = line_realloc(strlen(linestr) + 1, NULL);
if (!buffer)
buffer = line;
memcpy(line->data, linestr, strlen(linestr) + 1);
line->prev = lastline;
if (lastline)
lastline->next = line;
line->next = NULL;
lastline = line;
if (!lineend)
break;
linestr = lineend + 1;
}
free(filebuffer);
}
if (!buffer) {
buffer = line_realloc(0, NULL);
buffer->data[0] = 0;
}
return 0;
}
static void merge_line(struct line *line)
{
struct line *tmp;
line_realloc(strlen(line->data) + strlen(line->next->data) + 1, line);
tmp = line->next;
line->next = line->next->next;
if (line->next)
line->next->prev = line;
strcat(line->data, tmp->data);
line_free(tmp);
refresh(1);
}
static void insert_char(char c)
{
int pos = textx;
char *line;
int end = strlen(curline->data);
line_realloc(strlen(curline->data) + 2, curline);
line = curline->data;
while (end >= pos) {
line[end + 1] = line[end];
end--;
}
line[pos] = c;
textx++;
refresh_line(curline, cursy);
}
static void write_char(int key, t_line *line)
{
if (key >= 256)
{
write_char(key % 256, line);
write_char(key / 256, line);
}
else if (key != '\n')
{
if (line->line_len >= (BUFF_LINE * line->realloc_cpt))
line_realloc(line);
add_char_in_tab(key, line->line, line->pos);
CAP("nd");
line->pos++;
line->line_len++;
(line->line_len % get_cols()) == 0 ? clear_scr(line) :
clear_and_display(line);
}
}
static void split_line(void)
{
int length = strlen(curline->data + textx);
struct line *newline = line_realloc(length + 1, NULL);
struct line *tmp;
memcpy(newline->data, curline->data + textx, length + 1);
curline->data[textx] = 0;
tmp = curline->next;
curline->next = newline;
newline->prev = curline;
newline->next = tmp;
if (tmp)
tmp->prev = newline;
textx = 0;
cursy++;
curline = curline->next;
refresh(1);
}
