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Now supports "Transfer-Encoding: chunked" for HTTP PUT operations where the

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size of the uploaded file is unknown.
This commit is contained in:
Daniel Stenberg
2002-11-11 08:40:37 +00:00
parent ef749fa9ce
commit 03c22b4576
4 changed files with 71 additions and 4 deletions
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45
lib/transfer.c
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@@ -899,11 +899,46 @@ CURLcode Curl_readwrite(struct connectdata *conn,
/* only read more data if there's no upload data already
present in the upload buffer */
if(0 == conn->upload_present) {
size_t buffersize = BUFSIZE;
/* init the "upload from here" pointer */
conn->upload_fromhere = k->uploadbuf;
nread = data->set.fread(conn->upload_fromhere, 1,
BUFSIZE, data->set.in);
if(!k->upload_done) {
if(conn->upload_chunky) {
/* if chunked Transfer-Encoding */
buffersize -= (8 + 2 + 2); /* 32bit hex + CRLF + CRLF */
conn->upload_fromhere += 10; /* 32bit hex + CRLF */
}
nread = data->set.fread(conn->upload_fromhere, 1,
buffersize, data->set.in);
if(conn->upload_chunky) {
/* if chunked Transfer-Encoding */
char hexbuffer[9];
int hexlen = snprintf(hexbuffer, sizeof(hexbuffer),
"%x\r\n", nread);
/* move buffer pointer */
conn->upload_fromhere -= hexlen;
nread += hexlen;
/* copy the prefix to the buffer */
memcpy(conn->upload_fromhere, hexbuffer, hexlen);
if(nread>0) {
/* append CRLF to the data */
memcpy(conn->upload_fromhere +
nread, "\r\n", 2);
nread+=2;
}
else {
/* mark this as done once this chunk is transfered */
k->upload_done = TRUE;
}
}
}
else
nread = 0; /* we're done uploading/reading */
/* the signed int typecase of nread of for systems that has
unsigned size_t */
@@ -967,6 +1002,12 @@ CURLcode Curl_readwrite(struct connectdata *conn,
/* we've uploaded that buffer now */
conn->upload_fromhere = k->uploadbuf;
conn->upload_present = 0; /* no more bytes left */
if(k->upload_done) {
/* switch off writing, we're done! */
k->keepon &= ~KEEP_WRITE; /* we're done writing */
FD_ZERO(&k->wkeepfd);
}
}
if(data->set.verbose)