fix empty lists
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parent
adea3bdb24
commit
a654907fe1
9
C/text.c
9
C/text.c
@ -144,6 +144,13 @@ SkipListCodes(Term *l, Term **tailp, Int *atoms, int *wide)
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do_derefa(v,l,derefa_unk,derefa_nonvar);
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s = l;
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if (*l == TermNil) {
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*tailp = l;
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*atoms = 0;
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*wide = FALSE;
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return 0;
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}
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if ( IsPairTerm(*l) )
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{ intptr_t power = 1, lam = 0;
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do
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@ -468,7 +475,7 @@ read_Text( void *buf, seq_tv_t *inp, encoding_t *enc, int *minimal USES_REGS)
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LOCAL_Error_TYPE = gen_type_error( inp->type );
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LOCAL_Error_Term = t;
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}
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} else if (IsPairTerm(t)) {
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} else if (IsPairTerm(t) || t == TermNil) {
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if (inp->type & (YAP_STRING_CODES|YAP_STRING_ATOMS)) {
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inp->type &= (YAP_STRING_CODES|YAP_STRING_ATOMS);
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return read_Text( buf, inp, enc, minimal PASS_REGS);
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