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add some check for invalid values

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git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@937 57a11ea4-9604-0410-9ed3-97b8803252fd
This commit is contained in:
Linas Vepstas 1998-08-07 05:39:41 +00:00
parent 0e86bc3694
commit 177eefa3bd
1 changed files with 9 additions and 2 deletions
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11
src/register/table-allgui.c
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@ -288,8 +288,15 @@ xaccSetCursor (Table *table, CellBlock *curs,
{
int i,j;
/* hack alert -- should check to make sure that no null pointers
* or bad values were passed in ... */
/* reject various bad values that might get passed in */
if ((!table) || (!curs)) return;
if ((0 > phys_row_origin) || (0 > phys_col_origin)) return;
if (phys_row_origin >= table->num_phys_rows) return;
if (phys_col_origin >= table->num_phys_cols) return;
if ((0 > virt_row) || (0 > virt_col)) return;
if (virt_row >= table->num_virt_rows) return;
if (virt_col >= table->num_virt_cols) return;
/* this cursor is the handler for this block */
table->handlers[virt_row][virt_col] = curs;