winmsg_esc_ex(TruncPos, uint8_t perc, bool ellip)
{
/* TODO: encapsulate */
wmbc->trunc.pos = wmbc_offset(wmbc);
wmbc->trunc.perc = perc;
wmbc->trunc.ellip = ellip;
}
/* Attempts buffer expansion and updates context pointers appropriately. The
* result is true if expansion succeeded, otherwise false. */
static bool _wmbc_expand(WinMsgBufContext *wmbc, size_t size)
{
size_t offset = wmbc_offset(wmbc);
if (wmb_expand(wmbc->buf, size) < size) {
return false;
}
/* the buffer address may have changed; re-calculate pointer address */
wmbc->p = wmbc->buf->buf + offset;
return true;
}
/* 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;
}
/* Calculate the number of bytes remaining in the buffer relative to the current
* position within the buffer */
size_t wmbc_bytesleft(WinMsgBufContext *wmbc)
{
return wmbc->buf->size - wmbc_offset(wmbc);
}
