factor/native/sbuf.c

29 lines
530 B
C

#include "factor.h"
F_SBUF* sbuf(F_FIXNUM capacity)
{
F_SBUF* sbuf;
if(capacity < 0)
general_error(ERROR_NEGATIVE_ARRAY_SIZE,tag_fixnum(capacity));
sbuf = allot_object(SBUF_TYPE,sizeof(F_SBUF));
sbuf->top = tag_fixnum(0);
sbuf->string = tag_object(string(capacity,'\0'));
return sbuf;
}
void primitive_sbuf(void)
{
maybe_garbage_collection();
drepl(tag_object(sbuf(to_fixnum(dpeek()))));
}
void fixup_sbuf(F_SBUF* sbuf)
{
data_fixup(&sbuf->string);
}
void collect_sbuf(F_SBUF* sbuf)
{
COPY_OBJECT(sbuf->string);
}