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-rw-r--r--src/buffer.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/buffer.c b/src/buffer.c
index db575ed..08192da 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -192,8 +192,7 @@ void cmark_strbuf_vprintf(cmark_strbuf *buf, const char *format, va_list ap)
abort();
}
- // TODO: Check for overflow.
- if (len + 1 <= buf->asize - buf->size) {
+ if ((size_t)len < (size_t)(buf->asize - buf->size)) {
buf->size += len;
break;
}