Forcefully set null byte on temp buffer

warmwaffles · warmwaffles · commit e2d39d161f56 · 2026-03-27T15:40:30.000-05:00
diff --git a/c_src/sqlite3_nif.c b/c_src/sqlite3_nif.c
@@ -1453,6 +1453,7 @@ action_code_from_atom(ErlNifEnv* env, ERL_NIF_TERM atom)
     if (!enif_get_atom(env, atom, buf, sizeof(buf), ERL_NIF_LATIN1)) {
         return -1;
     }
+    buf[31] = 0;
 
     if (strcmp(buf, "create_index") == 0) {
         return SQLITE_CREATE_INDEX;

Original file line number	Diff line number	Diff line change
`@@ -1453,6 +1453,7 @@ action_code_from_atom(ErlNifEnv* env, ERL_NIF_TERM atom)`
`1453`	`1453`	`if (!enif_get_atom(env, atom, buf, sizeof(buf), ERL_NIF_LATIN1)) {`
`1454`	`1454`	`return -1;`
`1455`	`1455`	`}`
	`1456`	`+ buf[31] = 0;`
`1456`	`1457`
`1457`	`1458`	`if (strcmp(buf, "create_index") == 0) {`
`1458`	`1459`	`return SQLITE_CREATE_INDEX;`