diff options
Diffstat (limited to 'validation/varargs-type-formattest.c')
| -rw-r--r-- | validation/varargs-type-formattest.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/validation/varargs-type-formattest.c b/validation/varargs-type-formattest.c new file mode 100644 index 00000000..f01c6d89 --- /dev/null +++ b/validation/varargs-type-formattest.c @@ -0,0 +1,117 @@ + +extern void pf1(char *msg, ...) __attribute__((format (printf, 1, 2))); +extern void pf2(int m, char *msg, ...) __attribute__((format (printf, 2, 3))); + +/* run all the tests with both of these printf formatted types */ +#define pf(x...) do { pf1(x); pf2(1, x); } while(0); + +static void test(void) { + /* first two are valid */ + pf("%*d", 5, 10); /* value 10, print width is 5 */ + pf("%2$*1$d", 5, 10); /* value 10, print width is 5 */ + pf("%2$*3$d", 5, 10); /* value 10, print width is ?? */ + + pf("%*d", 5, 10); /* value 10, print width is 5 */ + pf("%*d", 5, 10L); /* value 10, print width is 5 (bad type) */ + pf("%*d", 5UL, 10L); /* value 10, print width is 5 (bad type) */ + + pf("%3$*2$d", 1, 5, 10); /* ok, skipping the '1' */ + pf("%3$*2$d", 1, 5, 10L); /* bad print type */ + pf("%2$*3$d", 1UL, 10, 5); /* ok, try with swapping width/val */ + pf("%2$*3$d", 1UL, 10L, 5); /* bad, try with swapping width/val */ + + /* and now try with precision specifiers */ + + pf("%*.6d", 5, 10); /* value 10, print width is 5 */ + pf("%*.6d", 5, 10L); /* value 10, print width is 5 (bad type) */ + pf("%*.6d", 5UL, 10L); /* value 10, print width is 5 (bad type) */ + + pf("%*.*d", 5, 6, 10); /* value 10, print width is 5 */ + pf("%*.*d", 5, 6, 10L); /* value 10, print width is 5 (bad type) */ + pf("%*.*d", 5UL, 6, 10L); /* value 10, print width is 5 (bad type) */ + pf("%*.*d", 5, 6UL, 10); /* value 10, print width is 5 (bad type) */ +} + +/* + * check-name: variadic formatting test position checking types + * check-command: sparse -Wformat $file + * check-known-to-fail + * + * check-error-start +varargs-type-formattest.c:12:9: warning: width: no argument at position 4 +varargs-type-formattest.c:12:9: warning: width: no argument at position 5 +varargs-type-formattest.c:15:9: warning: incorrect type in argument 3 (different types) +varargs-type-formattest.c:15:9: expected int +varargs-type-formattest.c:15:9: got long +varargs-type-formattest.c:15:9: warning: incorrect type in argument 4 (different types) +varargs-type-formattest.c:15:9: expected int +varargs-type-formattest.c:15:9: got long +varargs-type-formattest.c:16:9: warning: incorrect type for width argument 2 +varargs-type-formattest.c:16:9: expected int +varargs-type-formattest.c:16:9: got unsigned long +varargs-type-formattest.c:16:9: warning: incorrect type in argument 3 (different types) +varargs-type-formattest.c:16:9: expected int +varargs-type-formattest.c:16:9: got long +varargs-type-formattest.c:16:9: warning: incorrect type for width argument 3 +varargs-type-formattest.c:16:9: expected int +varargs-type-formattest.c:16:9: got unsigned long +varargs-type-formattest.c:16:9: warning: incorrect type in argument 4 (different types) +varargs-type-formattest.c:16:9: expected int +varargs-type-formattest.c:16:9: got long +varargs-type-formattest.c:19:9: warning: incorrect type in argument 4 (different types) +varargs-type-formattest.c:19:9: expected int +varargs-type-formattest.c:19:9: got long +varargs-type-formattest.c:19:9: warning: incorrect type in argument 5 (different types) +varargs-type-formattest.c:19:9: expected int +varargs-type-formattest.c:19:9: got long +varargs-type-formattest.c:21:9: warning: incorrect type in argument 3 (different types) +varargs-type-formattest.c:21:9: expected int +varargs-type-formattest.c:21:9: got long +varargs-type-formattest.c:21:9: warning: incorrect type in argument 4 (different types) +varargs-type-formattest.c:21:9: expected int +varargs-type-formattest.c:21:9: got long +varargs-type-formattest.c:26:9: warning: incorrect type in argument 3 (different types) +varargs-type-formattest.c:26:9: expected int +varargs-type-formattest.c:26:9: got long +varargs-type-formattest.c:26:9: warning: incorrect type in argument 4 (different types) +varargs-type-formattest.c:26:9: expected int +varargs-type-formattest.c:26:9: got long +varargs-type-formattest.c:27:9: warning: incorrect type for width argument 2 +varargs-type-formattest.c:27:9: expected int +varargs-type-formattest.c:27:9: got unsigned long +varargs-type-formattest.c:27:9: warning: incorrect type in argument 3 (different types) +varargs-type-formattest.c:27:9: expected int +varargs-type-formattest.c:27:9: got long +varargs-type-formattest.c:27:9: warning: incorrect type for width argument 3 +varargs-type-formattest.c:27:9: expected int +varargs-type-formattest.c:27:9: got unsigned long +varargs-type-formattest.c:27:9: warning: incorrect type in argument 4 (different types) +varargs-type-formattest.c:27:9: expected int +varargs-type-formattest.c:27:9: got long +varargs-type-formattest.c:30:9: warning: incorrect type in argument 4 (different types) +varargs-type-formattest.c:30:9: expected int +varargs-type-formattest.c:30:9: got long +varargs-type-formattest.c:30:9: warning: incorrect type in argument 5 (different types) +varargs-type-formattest.c:30:9: expected int +varargs-type-formattest.c:30:9: got long +varargs-type-formattest.c:31:9: warning: incorrect type for width argument 2 +varargs-type-formattest.c:31:9: expected int +varargs-type-formattest.c:31:9: got unsigned long +varargs-type-formattest.c:31:9: warning: incorrect type in argument 4 (different types) +varargs-type-formattest.c:31:9: expected int +varargs-type-formattest.c:31:9: got long +varargs-type-formattest.c:31:9: warning: incorrect type for width argument 3 +varargs-type-formattest.c:31:9: expected int +varargs-type-formattest.c:31:9: got unsigned long +varargs-type-formattest.c:31:9: warning: incorrect type in argument 5 (different types) +varargs-type-formattest.c:31:9: expected int +varargs-type-formattest.c:31:9: got long +varargs-type-formattest.c:32:9: warning: incorrect type for position argument 3 +varargs-type-formattest.c:32:9: expected int +varargs-type-formattest.c:32:9: got unsigned long +varargs-type-formattest.c:32:9: warning: incorrect type for position argument 4 +varargs-type-formattest.c:32:9: expected int +varargs-type-formattest.c:32:9: got unsigned long + * check-error-end + * + */ |