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fix overflows

This commit is contained in:
Vítor Santos Costa 2011-12-22 11:42:26 +00:00
parent 551df1c70a
commit 1fde83d278
2 changed files with 14 additions and 9 deletions
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17
C/c_interface.c
View File

@ -1930,25 +1930,26 @@ YAP_StringToBuffer(Term t, char *buf, unsigned int bufsize)
return(FALSE);
} else if (!IsIntTerm(Head)) {
Yap_Error(REPRESENTATION_ERROR_CHARACTER_CODE,Head,"user defined procedure");
return(FALSE);
return FALSE;
}
i = IntOfTerm(Head);
if (i < 0 || i > 255) {
Yap_Error(REPRESENTATION_ERROR_CHARACTER_CODE,Head,"user defined procedure");
return(FALSE);
return FALSE;
}
buf[j++] = i;
if (j > bufsize) {
buf[j-1] = '\0';
return(FALSE);
if (j == bufsize) {
buf[bufsize-1] = '\0';
return FALSE;
} else {
buf[j++] = i;
}
t = TailOfTerm(t);
if (IsVarTerm(t)) {
Yap_Error(INSTANTIATION_ERROR,t,"user defined procedure");
return(FALSE);
return FALSE;
} else if (!IsPairTerm(t) && t != TermNil) {
Yap_Error(TYPE_ERROR_LIST, t, "user defined procedure");
return(FALSE);
return FALSE;
}
}
buf[j] = '\0';

6
C/grow.c
View File

@ -1361,9 +1361,13 @@ static int
growatomtable( USES_REGS1 )
{
AtomHashEntry *ntb;
UInt nsize = 4*AtomHashTableSize-1;
UInt diff = 3*AtomHashTableSize-1, nsize;
UInt start_growth_time = Yap_cputime(), growth_time;
int gc_verbose = Yap_is_gc_verbose();
if (diff > 4*1024*1024)
diff = 4*1024*1024+7919;
else
nsize = nsize+7919;
LOCK(LOCAL_SignalLock);
if (LOCAL_ActiveSignals == YAP_CDOVF_SIGNAL) {