Ensure that a given buffer is at least BUFSIZ.

diff --git a/compat/getline.c b/compat/getline.c
index 68fe08545815bf0ddcee6a91baf874abaf00a028..8c0cbdff9e35de84c22c3d1e2a251a377aa6fc69 100644 (file)
--- a/compat/getline.c
+++ b/compat/getline.c
@@ -55,7 +55,7 @@ getline(char ** __restrict buf, size_t * __restrict buflen,
        do {
                if (feof(fp))
                        break;
-               if (*buf == NULL || bytes != 0) {
+               if (*buf == NULL || bytes != 0 || *buflen < BUFSIZ) {
                        newlen = *buflen + BUFSIZ;
                        newbuf = realloc(*buf, newlen);
                        if (newbuf == NULL)