sbase/libutil/getlines.c
Jakob Kramer 66a5ea722d getlines: last line of file should always have a newline
This is a useful behavior if you want to reorder the lines,
because otherwise you might end up with originally two lines
on one, e.g.

	$ echo -ne "foo\nbar" | sort
	barfoo
2015-02-11 00:25:48 +00:00

33 lines
817 B
C

/* See LICENSE file for copyright and license details. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../text.h"
#include "../util.h"
void
getlines(FILE *fp, struct linebuf *b)
{
char *line = NULL, **nline;
size_t size = 0, linelen;
ssize_t len;
while ((len = getline(&line, &size, fp)) != -1) {
if (++b->nlines > b->capacity) {
b->capacity += 512;
nline = erealloc(b->lines, b->capacity * sizeof(*b->lines));
b->lines = nline;
}
linelen = len + 1;
b->lines[b->nlines-1] = emalloc(linelen);
memcpy(b->lines[b->nlines-1], line, linelen);
}
free(line);
if (strchr(b->lines[b->nlines-1], '\n') == NULL) {
b->lines[b->nlines-1] = erealloc(b->lines[b->nlines-1], linelen + 1);
b->lines[b->nlines-1][linelen-1] = '\n';
b->lines[b->nlines-1][linelen] = '\0';
}
}