mirror of
https://github.com/ZDoom/gzdoom-gles.git
synced 2024-12-22 02:11:36 +00:00
41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
uchar *ScanFill(uchar *cursor){
|
|
unsigned cnt = s->tok - s->bot;
|
|
s->pos += cursor - s->mrk;
|
|
if(cnt){
|
|
if(s->eot){
|
|
unsigned len = s->eot - s->tok;
|
|
memcpy(s->bot, s->tok, len);
|
|
s->eot = &s->bot[len];
|
|
if((len = s->lim - cursor) != 0)
|
|
memcpy(s->eot, cursor, len);
|
|
cursor = s->eot;
|
|
s->lim = &cursor[len];
|
|
} else {
|
|
memcpy(s->bot, s->tok, s->lim - s->tok);
|
|
cursor -= cnt;
|
|
s->lim -= cnt;
|
|
}
|
|
s->tok = s->bot;
|
|
s->ptr -= cnt;
|
|
}
|
|
if((s->top - s->lim) < 512){
|
|
uchar *buf = (uchar*) malloc(((s->lim - s->bot) + 512)*sizeof(uchar));
|
|
memcpy(buf, s->bot, s->lim - s->bot);
|
|
s->tok = buf;
|
|
s->ptr = &buf[s->ptr - s->bot];
|
|
if(s->eot)
|
|
s->eot = &buf[s->eot - s->bot];
|
|
cursor = &buf[cursor - s->bot];
|
|
s->lim = &buf[s->lim - s->bot];
|
|
s->top = &s->lim[512];
|
|
free(s->bot);
|
|
s->bot = buf;
|
|
}
|
|
s->mrk = cursor;
|
|
if(ScanCBIO.file){
|
|
if((cnt = read(ScanCBIO.u.f.fd, (char*) s->lim, 512)) != 512)
|
|
memset(&s->lim[cnt], 0, 512 - cnt);
|
|
s->lim += 512;
|
|
}
|
|
return cursor;
|
|
}
|