X-Git-Url: https://git.archive.openwrt.org/?p=project%2Fuci.git;a=blobdiff_plain;f=file.c;fp=file.c;h=3f02c119905febdc52508f6cc79cb5182ea75263;hp=1d2718ace8397fe636e6574a046b0befacc01bcc;hb=def58eba24cc53f8761903145fef8db65e6e4760;hpb=61657246a9145e7f9e8780f69e0e198231345deb

diff --git a/file.c b/file.c
index 1d2718a..3f02c11 100644
--- a/file.c
+++ b/file.c
@@ -48,8 +48,8 @@ __private void uci_getln(struct uci_context *ctx, int offset)
 		pctx->buf = uci_malloc(ctx, LINEBUF);
 		pctx->bufsz = LINEBUF;
 	}
-	/* `offset' may off by one */
-	if (offset >= pctx->bufsz) {
+	/* It takes 2 slots for fgets to read 1 char. */
+	if (offset >= pctx->bufsz - 1) {
 		pctx->bufsz *= 2;
 		pctx->buf = uci_realloc(ctx, pctx->buf, pctx->bufsz);
 	}