factor/native/sbuf.c

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