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-rw-r--r--lib/pingpong.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/lib/pingpong.c b/lib/pingpong.c
index da1391e8e..84ce88148 100644
--- a/lib/pingpong.c
+++ b/lib/pingpong.c
@@ -195,6 +195,10 @@ CURLcode Curl_pp_vsendf(struct pingpong *pp,
enum protection_level data_sec = conn->data_prot;
#endif
+ DEBUGASSERT(pp->sendleft == 0);
+ DEBUGASSERT(pp->sendsize == 0);
+ DEBUGASSERT(pp->sendthis == NULL);
+
fmt_crlf = aprintf("%s\r\n", fmt); /* append a trailing CRLF */
if(!fmt_crlf)
return CURLE_OUT_OF_MEMORY;
@@ -236,11 +240,10 @@ CURLcode Curl_pp_vsendf(struct pingpong *pp,
s, (size_t)bytes_written, conn);
if(bytes_written != (ssize_t)write_len) {
- /* the whole chunk was not sent, store the rest of the data */
- write_len -= bytes_written;
- memmove(s, s + bytes_written, write_len + 1);
+ /* the whole chunk was not sent, keep it around and adjust sizes */
pp->sendthis = s;
- pp->sendsize = pp->sendleft = write_len;
+ pp->sendsize = write_len;
+ pp->sendleft = write_len - bytes_written;
}
else {
free(s);