diogo/yap-6.3
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fix setarg(0,T,_).

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git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@853 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
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vsc 2003-08-14 11:59:26 +00:00
parent 1e62accfaa
commit a154a3f6e8
1 changed files with 4 additions and 1 deletions
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5
C/mavar.c
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@ -58,10 +58,13 @@ p_setarg(void)
Yap_Error(TYPE_ERROR_COMPOUND,ts,"setarg/3");
return(FALSE);
}
if (i < 0 || i > (Int)ArityOfFunctor(FunctorOfTerm(ts))) {
if (i < 1 || i > (Int)ArityOfFunctor(FunctorOfTerm(ts))) {
if (i<0)
Yap_Error(DOMAIN_ERROR_NOT_LESS_THAN_ZERO,ts,"setarg/3");
return(FALSE);
if (i==0)
Yap_Error(DOMAIN_ERROR_NOT_ZERO,ts,"setarg/3");
return(FALSE);
}
pt = RepAppl(ts)+i;
/* the evil deed is to be done now */