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Code Issues

Fixed SEGV reported by Konstantin.

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This commit is contained in:
dimitr 2005-08-25 12:37:26 +00:00
parent 1ca308f27b
commit faa8162a2b
1 changed files with 9 additions and 7 deletions
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16
src/dsql/pass1.cpp
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@ -931,13 +931,15 @@ dsql_nod* PASS1_node(dsql_req* request, dsql_nod* input, bool proc_flag)
case nod_current_timestamp:
{
dsql_nod* const_node = input->nod_arg[0];
fb_assert(const_node->nod_type == nod_constant);
const int precision = (int)(IPTR) const_node->nod_arg[0];
fb_assert(precision >= 0);
// We pass precision as a single byte, hence a check
// to avoid overflows
if (precision > MAX_UCHAR) {
const_node->nod_arg[0] = (dsql_nod*)(IPTR) MAX_UCHAR;
if (const_node) {
fb_assert(const_node->nod_type == nod_constant);
const int precision = (int)(IPTR) const_node->nod_arg[0];
fb_assert(precision >= 0);
// We pass precision as a single byte, hence a check
// to avoid overflows
if (precision > MAX_UCHAR) {
const_node->nod_arg[0] = (dsql_nod*)(IPTR) MAX_UCHAR;
}
}
}
break;