transfer: Code style policing

Prefer ! rather than NULL in if statements, added comments and updated
function spacing, argument spacing and line spacing to be more readble.

1 files changed, 7 insertions, 4 deletions

diff --git a/lib/transfer.c b/lib/transfer.c
index 2cc7f7881..a7ab08ecf 100644
--- a/lib/transfer.c
+++ b/lib/transfer.c
@@ -910,13 +910,16 @@ static CURLcode readwrite_upload(struct SessionHandle *data,
          (data->set.prefer_ascii) ||
 #endif
          (data->set.crlf))) {
-        if(data->state.scratch == NULL) {
-          data->state.scratch = malloc(2*BUFSIZE);
-          if(data->state.scratch == NULL) {
-            failf (data, "Failed to alloc scratch buffer!");
+        /* Do we need to allocate a scratch buffer? */
+        if(!data->state.scratch) {
+          data->state.scratch = malloc(2 * BUFSIZE);
+          if(!data->state.scratch) {
+            failf(data, "Failed to alloc scratch buffer!");
+
             return CURLE_OUT_OF_MEMORY;
           }
         }
+
         /*
          * ASCII/EBCDIC Note: This is presumably a text (not binary)
          * transfer so the data should already be in ASCII.