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vere: refactors _term_it_send_csi()

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This commit is contained in:
Joe Bryan 2021-09-13 11:52:40 -04:00
parent 412bae2cd4
commit 9ada9861f6
1 changed files with 10 additions and 11 deletions
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21
pkg/urbit/vere/io/term.c
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@ -342,25 +342,24 @@ _term_it_send_csi(u3_utty *uty_u, c3_c cmd_c, c3_w num_w, ...)
// argument digits (5 per arg) and separators (1 per arg, minus 1).
// freed via _term_it_write.
//
c3_c* pas_c = malloc( sizeof(*pas_c) * (2 + num_w * 6) );
c3_c was_c = 0;
c3_c* pas_c = c3_malloc( 2 + num_w * 6 );
c3_y len_y = 0;
pas_c[was_c++] = '\033';
pas_c[was_c++] = '[';
pas_c[len_y++] = '\033';
pas_c[len_y++] = '[';
while ( num_w > 0 ) {
while ( num_w-- ) {
c3_w par_w = va_arg(ap, c3_w);
was_c += sprintf(pas_c+was_c, "%d", par_w);
len_y += sprintf(pas_c+len_y, "%d", par_w);
if ( --num_w > 0 ) {
pas_c[was_c++] = ';';
if ( num_w ) {
pas_c[len_y++] = ';';
}
}
pas_c[was_c++] = cmd_c;
pas_c[len_y++] = cmd_c;
uv_buf_t pas_u = uv_buf_init(pas_c, was_c);
_term_it_write(uty_u, &pas_u, pas_c);
_term_it_send(uty_u, len_y, (c3_y*)pas_c);
va_end(ap);
}