1 files changed, 4 insertions, 4 deletions
diff --git a/libs/libcurl/src/bufq.c b/libs/libcurl/src/bufq.c
index 5db25a3666..93c56aacec 100644
--- a/libs/libcurl/src/bufq.c
+++ b/libs/libcurl/src/bufq.c
@@ -484,17 +484,17 @@ CURLcode Curl_bufq_cwrite(struct bufq *q,
   ssize_t n;
   CURLcode result;
   n = Curl_bufq_write(q, (const unsigned char *)buf, len, &result);
-  *pnwritten = (n < 0)? 0 : (size_t)n;
+  *pnwritten = (n < 0) ? 0 : (size_t)n;
   return result;
 }
 
 CURLcode Curl_bufq_unwrite(struct bufq *q, size_t len)
 {
   while(len && q->tail) {
-    len -= chunk_unwrite(q->head, len);
+    len -= chunk_unwrite(q->tail, len);
     prune_tail(q);
   }
-  return len? CURLE_AGAIN : CURLE_OK;
+  return len ? CURLE_AGAIN : CURLE_OK;
 }
 
 ssize_t Curl_bufq_read(struct bufq *q, unsigned char *buf, size_t len,
@@ -526,7 +526,7 @@ CURLcode Curl_bufq_cread(struct bufq *q, char *buf, size_t len,
   ssize_t n;
   CURLcode result;
   n = Curl_bufq_read(q, (unsigned char *)buf, len, &result);
-  *pnread = (n < 0)? 0 : (size_t)n;
+  *pnread = (n < 0) ? 0 : (size_t)n;
   return result;
 }