/* Curl_client_write() sends data to the write callback(s)
The bit pattern defines to what "streams" to write to. Body and/or header.
The defines are in sendf.h of course.
If CURL_DO_LINEEND_CONV is enabled, data is converted IN PLACE to the
local character encoding. This is a problem and should be changed in
the future to leave the original data alone.
*/
CURLcode Curl_client_write(struct connectdata *conn,
int type,
char *ptr,
size_t len)
{
struct Curl_easy *data = conn->data;
if(0 == len)
len = strlen(ptr);
DEBUGASSERT(type <= 3);
/* FTP data may need conversion. */
if((type & CLIENTWRITE_BODY) &&
(conn->handler->protocol & PROTO_FAMILY_FTP) &&
conn->proto.ftpc.transfertype == 'A') {
/* convert from the network encoding */
CURLcode result = Curl_convert_from_network(data, ptr, len);
/* Curl_convert_from_network calls failf if unsuccessful */
if(result)
return result;
#ifdef CURL_DO_LINEEND_CONV
/* convert end-of-line markers */
len = convert_lineends(data, ptr, len);
#endif /* CURL_DO_LINEEND_CONV */
}
return chop_write(conn, type, ptr, len);
}
/* Curl_client_write() sends data to the write callback(s)
The bit pattern defines to what "streams" to write to. Body and/or header.
The defines are in sendf.h of course.
If CURL_DO_LINEEND_CONV is enabled, data is converted IN PLACE to the
local character encoding. This is a problem and should be changed in
the future to leave the original data alone.
*/
CURLcode Curl_client_write(struct connectdata *conn,
int type,
char *ptr,
size_t len)
{
struct SessionHandle *data = conn->data;
size_t wrote;
if(0 == len)
len = strlen(ptr);
/* If reading is actually paused, we're forced to append this chunk of data
to the already held data, but only if it is the same type as otherwise it
can't work and it'll return error instead. */
if(data->req.keepon & KEEP_RECV_PAUSE) {
size_t newlen;
char *newptr;
if(type != data->state.tempwritetype)
/* major internal confusion */
return CURLE_RECV_ERROR;
DEBUGASSERT(data->state.tempwrite);
/* figure out the new size of the data to save */
newlen = len + data->state.tempwritesize;
/* allocate the new memory area */
newptr = realloc(data->state.tempwrite, newlen);
if(!newptr)
return CURLE_OUT_OF_MEMORY;
/* copy the new data to the end of the new area */
memcpy(newptr + data->state.tempwritesize, ptr, len);
/* update the pointer and the size */
data->state.tempwrite = newptr;
data->state.tempwritesize = newlen;
return CURLE_OK;
}
if(type & CLIENTWRITE_BODY) {
if((conn->handler->protocol&CURLPROTO_FTP) &&
conn->proto.ftpc.transfertype == 'A') {
/* convert from the network encoding */
size_t rc = Curl_convert_from_network(data, ptr, len);
/* Curl_convert_from_network calls failf if unsuccessful */
if(rc)
return rc;
#ifdef CURL_DO_LINEEND_CONV
/* convert end-of-line markers */
len = convert_lineends(data, ptr, len);
#endif /* CURL_DO_LINEEND_CONV */
}
/* If the previous block of data ended with CR and this block of data is
just a NL, then the length might be zero */
if(len) {
wrote = data->set.fwrite_func(ptr, 1, len, data->set.out);
}
else {
wrote = len;
}
if(CURL_WRITEFUNC_PAUSE == wrote)
return pausewrite(data, type, ptr, len);
if(wrote != len) {
failf(data, "Failed writing body (%zu != %zu)", wrote, len);
return CURLE_WRITE_ERROR;
}
}
if((type & CLIENTWRITE_HEADER) &&
(data->set.fwrite_header || data->set.writeheader) ) {
/*
* Write headers to the same callback or to the especially setup
* header callback function (added after version 7.7.1).
*/
curl_write_callback writeit=
data->set.fwrite_header?data->set.fwrite_header:data->set.fwrite_func;
/* Note: The header is in the host encoding
regardless of the ftp transfer mode (ASCII/Image) */
wrote = writeit(ptr, 1, len, data->set.writeheader);
if(CURL_WRITEFUNC_PAUSE == wrote)
/* here we pass in the HEADER bit only since if this was body as well
then it was passed already and clearly that didn't trigger the pause,
so this is saved for later with the HEADER bit only */
return pausewrite(data, CLIENTWRITE_HEADER, ptr, len);
if(wrote != len) {
failf (data, "Failed writing header");
return CURLE_WRITE_ERROR;
}
}
return CURLE_OK;
}
/* client_write() sends data to the write callback(s)
The bit pattern defines to what "streams" to write to. Body and/or header.
The defines are in sendf.h of course.
*/
CURLcode Curl_client_write(struct connectdata *conn,
int type,
char *ptr,
size_t len)
{
struct SessionHandle *data = conn->data;
size_t wrote;
if (data->state.cancelled) {
/* We just suck everything into a black hole */
return CURLE_OK;
}
if(0 == len)
len = strlen(ptr);
if(type & CLIENTWRITE_BODY) {
if((conn->protocol&PROT_FTP) && conn->proto.ftpc.transfertype == 'A') {
#ifdef CURL_DOES_CONVERSIONS
/* convert from the network encoding */
size_t rc;
rc = Curl_convert_from_network(data, ptr, len);
/* Curl_convert_from_network calls failf if unsuccessful */
if(rc != CURLE_OK)
return rc;
#endif /* CURL_DOES_CONVERSIONS */
#ifdef CURL_DO_LINEEND_CONV
/* convert end-of-line markers */
len = convert_lineends(data, ptr, len);
#endif /* CURL_DO_LINEEND_CONV */
}
/* If the previous block of data ended with CR and this block of data is
just a NL, then the length might be zero */
if (len) {
wrote = data->set.fwrite(ptr, 1, len, data->set.out);
}
else {
wrote = len;
}
if(wrote != len) {
failf (data, "Failed writing body");
return CURLE_WRITE_ERROR;
}
}
if((type & CLIENTWRITE_HEADER) &&
(data->set.fwrite_header || data->set.writeheader) ) {
/*
* Write headers to the same callback or to the especially setup
* header callback function (added after version 7.7.1).
*/
curl_write_callback writeit=
data->set.fwrite_header?data->set.fwrite_header:data->set.fwrite;
/* Note: The header is in the host encoding
regardless of the ftp transfer mode (ASCII/Image) */
wrote = writeit(ptr, 1, len, data->set.writeheader);
if(wrote != len) {
failf (data, "Failed writing header");
return CURLE_WRITE_ERROR;
}
}
return CURLE_OK;
}
