int AddWinMsgRend(WinMsgBuf *winmsg, const char *str, uint64_t r)
{
if (winmsg->numrend >= MAX_WINMSG_REND || str < winmsg->buf || str >= winmsg->buf + MAXSTR)
return -1;
wmb_rendadd(winmsg, r, str - winmsg->buf);
return 0;
}
/* Merges the contents of another null-terminated buffer and its renditions. The
* return value is a pointer to the first character of WMB's buffer. */
char *wmbc_mergewmb(WinMsgBufContext *wmbc, WinMsgBuf *wmb)
{
char *p;
size_t offset = wmbc_offset(wmbc);
int ri;
/* import buffer contents into our own at our current position */
assert(wmb);
p = wmbc_strcpy(wmbc, wmb->buf);
/* merge renditions, adjusting them to reflect their new offset */
for (ri = 0; ri < wmb->numrend; ri++) {
wmb_rendadd(wmbc->buf, wmb->rend[ri], offset + wmb->rendpos[ri]);
}
return p;
}
