diff --git a/libutil/getlines.c b/libutil/getlines.c index 6746c0f..942232d 100644 --- a/libutil/getlines.c +++ b/libutil/getlines.c @@ -9,20 +9,21 @@ void getlines(FILE *fp, struct linebuf *b) { - char *line = NULL, **nline; + char *line = NULL; size_t size = 0, linelen; ssize_t len; while ((len = getline(&line, &size, fp)) > 0) { if (++b->nlines > b->capacity) { b->capacity += 512; - nline = erealloc(b->lines, b->capacity * sizeof(*b->lines)); - b->lines = nline; + b->lines = erealloc(b->lines, b->capacity * sizeof(*b->lines)); } linelen = len + 1; b->lines[b->nlines - 1] = memcpy(emalloc(linelen), line, linelen); } free(line); + if(!b->nlines || !b->lines) + return; if (!strchr(b->lines[b->nlines - 1], '\n')) { b->lines[b->nlines - 1] = erealloc(b->lines[b->nlines - 1], linelen + 1); b->lines[b->nlines - 1][linelen - 1] = '\n';