MatCat.OpenSource/8sa1-gcc
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

(process_init_element): Warn and truncate if upper bound of index is

Browse Source 
out of range.

From-SVN: r13684
This commit is contained in:
Richard Kenner 1997-03-02 13:25:40 -05:00
parent f28c0e6987
commit ee2990e780
1 changed files with 19 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
gcc/c-typeck.c
View File

@ -5769,10 +5769,8 @@ set_init_index (first, last)
error_init ("duplicate array index in initializer%s", " for `%s'", NULL);
else
{
TREE_INT_CST_LOW (constructor_index)
= TREE_INT_CST_LOW (first);
TREE_INT_CST_HIGH (constructor_index)
= TREE_INT_CST_HIGH (first);
TREE_INT_CST_LOW (constructor_index) = TREE_INT_CST_LOW (first);
TREE_INT_CST_HIGH (constructor_index) = TREE_INT_CST_HIGH (first);
if (last != 0 && tree_int_cst_lt (last, first))
error_init ("empty index range in initializer%s", " for `%s'", NULL);
@ -6377,7 +6375,21 @@ process_init_element (value)
/* In the case of [LO .. HI] = VALUE, only evaluate VALUE once. */
if (constructor_range_end)
value = save_expr (value);
{
if (constructor_max_index != 0
&& tree_int_cst_lt (constructor_max_index,
constructor_range_end))
{
pedwarn_init ("excess elements in array initializer%s",
" after `%s'", NULL_PTR);
TREE_INT_CST_HIGH (constructor_range_end)
= TREE_INT_CST_HIGH (constructor_max_index);
TREE_INT_CST_LOW (constructor_range_end)
= TREE_INT_CST_LOW (constructor_max_index);
}
value = save_expr (value);
}
/* Now output the actual element.
Ordinarily, output once.
@ -6395,10 +6407,8 @@ process_init_element (value)
tem = size_binop (PLUS_EXPR, constructor_index,
integer_one_node);
TREE_INT_CST_LOW (constructor_index)
= TREE_INT_CST_LOW (tem);
TREE_INT_CST_HIGH (constructor_index)
= TREE_INT_CST_HIGH (tem);
TREE_INT_CST_LOW (constructor_index) = TREE_INT_CST_LOW (tem);
TREE_INT_CST_HIGH (constructor_index) = TREE_INT_CST_HIGH (tem);
if (!value)
/* If we are doing the bookkeeping for an element that was