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cleanup: minor code cleanup in Curl_http_readwrite_headers()

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- the expression of an 'if' was always true
- a 'while' contained a condition that was always true
- use 'if(k->exp100 > EXP100_SEND_DATA)' instead of 'if(k->exp100)'
- fixed a typo

Closes #889
This commit is contained in:
Michael Kaufmann 2016-06-21 22:43:58 +02:00 committed by Daniel Stenberg
parent b6ddc0ac07
commit 38685f86c8
1 changed files with 43 additions and 45 deletions
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88
lib/http.c
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@ -3054,7 +3054,7 @@ CURLcode Curl_http_readwrite_headers(struct Curl_easy *data,
switch(k->httpcode) {
case 100:
/* if we did wait for this do enable write now! */
if(k->exp100) {
if(k->exp100 > EXP100_SEND_DATA) {
k->exp100 = EXP100_SEND_DATA;
k->keepon |= KEEP_SEND;
}
@ -3138,52 +3138,50 @@ CURLcode Curl_http_readwrite_headers(struct Curl_easy *data,
data->req.deductheadercount =
(100 <= k->httpcode && 199 >= k->httpcode)?data->req.headerbytecount:0;
if(!*stop_reading) {
/* Curl_http_auth_act() checks what authentication methods
* that are available and decides which one (if any) to
* use. It will set 'newurl' if an auth method was picked. */
result = Curl_http_auth_act(conn);
/* Curl_http_auth_act() checks what authentication methods
* that are available and decides which one (if any) to
* use. It will set 'newurl' if an auth method was picked. */
result = Curl_http_auth_act(conn);
if(result)
return result;
if(result)
return result;
if(k->httpcode >= 300) {
if((!conn->bits.authneg) && !conn->bits.close &&
!conn->bits.rewindaftersend) {
/*
* General treatment of errors when about to send data. Including :
* "417 Expectation Failed", while waiting for 100-continue.
*
* The check for close above is done simply because of something
* else has already deemed the connection to get closed then
* something else should've considered the big picture and we
* avoid this check.
*
* rewindaftersend indicates that something has told libcurl to
* continue sending even if it gets discarded
if(k->httpcode >= 300) {
if((!conn->bits.authneg) && !conn->bits.close &&
!conn->bits.rewindaftersend) {
/*
* General treatment of errors when about to send data. Including :
* "417 Expectation Failed", while waiting for 100-continue.
*
* The check for close above is done simply because of something
* else has already deemed the connection to get closed then
* something else should've considered the big picture and we
* avoid this check.
*
* rewindaftersend indicates that something has told libcurl to
* continue sending even if it gets discarded
*/
switch(data->set.httpreq) {
case HTTPREQ_PUT:
case HTTPREQ_POST:
case HTTPREQ_POST_FORM:
/* We got an error response. If this happened before the whole
* request body has been sent we stop sending and mark the
* connection for closure after we've read the entire response.
*/
switch(data->set.httpreq) {
case HTTPREQ_PUT:
case HTTPREQ_POST:
case HTTPREQ_POST_FORM:
/* We got an error response. If this happened before the whole
* request body has been sent we stop sending and mark the
* connection for closure after we've read the entire response.
*/
if(!k->upload_done) {
infof(data, "HTTP error before end of send, stop sending\n");
connclose(conn, "Stop sending data before everything sent");
k->upload_done = TRUE;
k->keepon &= ~KEEP_SEND; /* don't send */
if(data->state.expect100header)
k->exp100 = EXP100_FAILED;
}
break;
default: /* default label present to avoid compiler warnings */
break;
if(!k->upload_done) {
infof(data, "HTTP error before end of send, stop sending\n");
connclose(conn, "Stop sending data before everything sent");
k->upload_done = TRUE;
k->keepon &= ~KEEP_SEND; /* don't send */
if(data->state.expect100header)
k->exp100 = EXP100_FAILED;
}
break;
default: /* default label present to avoid compiler warnings */
break;
}
}
@ -3210,7 +3208,7 @@ CURLcode Curl_http_readwrite_headers(struct Curl_easy *data,
(k->size <= -1))
/* Respect section 4.4 of rfc2326: If the Content-Length header is
absent, a length 0 must be assumed. It will prevent libcurl from
hanging on DECRIBE request that got refused for whatever
hanging on DESCRIBE request that got refused for whatever
reason */
*stop_reading = TRUE;
#endif
@ -3761,7 +3759,7 @@ CURLcode Curl_http_readwrite_headers(struct Curl_easy *data,
k->hbufp = data->state.headerbuff;
k->hbuflen = 0;
}
while(!*stop_reading && *k->str); /* header line within buffer */
while(*k->str); /* header line within buffer */
/* We might have reached the end of the header part here, but
there might be a non-header part left in the end of the read