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Curl_add_buffer_send: avoid possible NULL dereference

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... as we check for a NULL pointer below, we move the derefence to after
the check. Detected by PVS Studio.

Reported-by: Alexis La Goutte
This commit is contained in:
Daniel Stenberg 2016-03-31 10:00:55 +02:00
parent b3912d9dd7
commit b22a954736
1 changed files with 4 additions and 4 deletions
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8
lib/http.c
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@ -1133,10 +1133,6 @@ CURLcode Curl_add_buffer_send(Curl_send_buffer *in,
ptr+headlen, bodylen, conn);
}
}
if(bodylen)
/* since we sent a piece of the body here, up the byte counter for it
accordingly */
http->writebytecount += bodylen;
/* 'amount' can never be a very large value here so typecasting it so a
signed 31 bit value should not cause problems even if ssize_t is
@ -1144,6 +1140,10 @@ CURLcode Curl_add_buffer_send(Curl_send_buffer *in,
*bytes_written += (long)amount;
if(http) {
/* if we sent a piece of the body here, up the byte counter for it
accordingly */
http->writebytecount += bodylen;
if((size_t)amount != size) {
/* The whole request could not be sent in one system call. We must
queue it up and send it later when we get the chance. We must not