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-rw-r--r--lib/transfer.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/transfer.c b/lib/transfer.c
index 80eda3d33..35443bf2f 100644
--- a/lib/transfer.c
+++ b/lib/transfer.c
@@ -132,7 +132,7 @@ CURLcode Curl_fillreadbuffer(struct connectdata *conn, int bytes, int *nreadp)
if(data->req.upload_chunky) {
/* if chunked Transfer-Encoding */
buffersize -= (8 + 2 + 2); /* 32bit hex + CRLF + CRLF */
- data->req.upload_fromhere += 10; /* 32bit hex + CRLF */
+ data->req.upload_fromhere += (8 + 2); /* 32bit hex + CRLF */
}
/* this function returns a size_t, so we typecast to int to prevent warnings
@@ -149,6 +149,10 @@ CURLcode Curl_fillreadbuffer(struct connectdata *conn, int bytes, int *nreadp)
struct SingleRequest *k = &data->req;
/* CURL_READFUNC_PAUSE pauses read callbacks that feed socket writes */
k->keepon |= KEEP_WRITE_PAUSE; /* mark socket send as paused */
+ if(data->req.upload_chunky) {
+ /* Back out the preallocation done above */
+ data->req.upload_fromhere -= (8 + 2);
+ }
*nreadp = 0;
return CURLE_OK; /* nothing was read */
}
@@ -168,7 +172,7 @@ CURLcode Curl_fillreadbuffer(struct connectdata *conn, int bytes, int *nreadp)
data->req.upload_fromhere -= hexlen;
nread += hexlen;
- /* copy the prefix to the buffer */
+ /* copy the prefix to the buffer, leaving out the NUL */
memcpy(data->req.upload_fromhere, hexbuffer, hexlen);
/* always append CRLF to the data */