X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fstdio%2Fopen_memstream.c;h=2f3569f1d177211962558b8810837e0229ff7eea;hb=d4fa6f0e08ff5a292d2aeeeeda80670a1a082cae;hp=dedc3d51b6c8e495652440d25cb7b2e44365a670;hpb=b158b32a44d56ef20407d4285b58180447ffff1f;p=musl

diff --git a/src/stdio/open_memstream.c b/src/stdio/open_memstream.c
index dedc3d51..2f3569f1 100644
--- a/src/stdio/open_memstream.c
+++ b/src/stdio/open_memstream.c
@@ -41,7 +41,7 @@ static size_t ms_write(FILE *f, const unsigned char *buf, size_t len)
 		f->wpos = f->wbase;
 		if (ms_write(f, f->wbase, len2) < len2) return 0;
 	}
-	if (len > c->space - c->pos) {
+	if (len >= c->space - c->pos) {
 		len2 = 2*c->space+1 | c->space+len+1;
 		newbuf = realloc(c->buf, len2);
 		if (!newbuf) return 0;