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Improve bounds checking

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No particular crashes, but replace strcpy / strncpy with snprintf
and GLib functions wherever possible.
This commit is contained in:
Evan Miller
2020-12-28 20:12:39 -05:00
parent 31d8bc13aa
commit 2bb31f05ee
11 changed files with 42 additions and 54 deletions
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4
src/libmdb/worktable.c
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@@ -27,7 +27,7 @@ void
mdb_fill_temp_col(MdbColumn *tcol, char *col_name, int col_size, int col_type, int is_fixed)
{
memset(tcol,0,sizeof(MdbColumn));
strcpy(tcol->name, col_name);
snprintf(tcol->name, sizeof(tcol->name), "%s", col_name);
tcol->col_type = col_type;
if ((col_type == MDB_TEXT) || (col_type == MDB_MEMO)) {
tcol->col_size = col_size;
@@ -57,7 +57,7 @@ mdb_create_temp_table(MdbHandle *mdb, char *name)
entry->mdb = mdb;
entry->object_type = MDB_TABLE;
entry->table_pg = 0;
strcpy(entry->object_name, name);
snprintf(entry->object_name, sizeof(entry->object_name), "%s", name);
table = mdb_alloc_tabledef(entry);
table->columns = g_ptr_array_new();