if (iobuf.raw_flushing_ends_before
|| (!iobuf.msg.len && iobuf.out.len > iobuf.out_empty_len && !(flags & PIO_NEED_MSGROOM))) {
if (OUT_MULTIPLEXED && !iobuf.raw_flushing_ends_before) {
- size_t val;
-
/* The iobuf.raw_flushing_ends_before value can point off the end
* of the iobuf.out buffer for a while, for easier subtracting. */
iobuf.raw_flushing_ends_before = iobuf.out.pos + iobuf.out.len;
SIVAL(iobuf.out.buf + iobuf.raw_data_header_pos, 0,
((MPLEX_BASE + (int)MSG_DATA)<<24) + iobuf.out.len - 4);
- if ((val = iobuf.out.size - iobuf.raw_data_header_pos) < 4) {
+ if (iobuf.raw_data_header_pos + 4 > iobuf.out.size) {
+ int siz = (int)(iobuf.raw_data_header_pos + 4 - iobuf.out.size);
/* We used some of the overflow bytes, so move them. */
if (DEBUG_GTE(IO, 4)) {
rprintf(FINFO, "[%s] wrap-bytes moved: %d (perform_io)\n",
- who_am_i(), (int)val);
+ who_am_i(), siz);
}
- memcpy(iobuf.out.buf, iobuf.out.buf + iobuf.out.size, 4 - val);
+ memcpy(iobuf.out.buf, iobuf.out.buf + iobuf.out.size, siz);
}
if (DEBUG_GTE(IO, 1)) {
SIVAL(hdr, 0, ((MPLEX_BASE + (int)code)<<24) + len);
/* If the header used any overflow bytes, move them to the start. */
if ((pos = hdr+4 - iobuf.msg.buf) > iobuf.msg.size) {
- size_t siz = pos - iobuf.msg.size;
+ int siz = (int)(pos - iobuf.msg.size);
if (DEBUG_GTE(IO, 4))
- rprintf(FINFO, "[%s] wrap-bytes moved: %d (send_msg)\n", who_am_i(), (int)siz);
- memcpy(iobuf.msg.buf, hdr+4 - siz, siz);
+ rprintf(FINFO, "[%s] wrap-bytes moved: %d (send_msg)\n", who_am_i(), siz);
+ memcpy(iobuf.msg.buf, iobuf.msg.buf + iobuf.msg.size, siz);
}
if (want_debug && convert > 0)