1/* RUN: %clang_cc1 -fsyntax-only -verify -triple i386-apple-darwin9 -pedantic -std=c89 %s
2 */
3
4int scanf(const char * restrict, ...);
5int printf(const char *restrict, ...);
6
7void foo(char **sp, float *fp, int *ip) {
8  scanf("%as", sp); /* expected-warning{{'a' length modifier is not supported by ISO C}} */
9  scanf("%a[abc]", sp); /* expected-warning{{'a' length modifier is not supported by ISO C}} */
10
11  /* TODO: Warn that the 'a' conversion specifier is a C99 feature. */
12  scanf("%a", fp);
13  scanf("%afoobar", fp);
14  printf("%a", 1.0);
15  printf("%as", 1.0);
16  printf("%aS", 1.0);
17  printf("%a[", 1.0);
18  printf("%afoo", 1.0);
19
20  scanf("%da", ip);
21
22  /* Test argument type check for the 'a' length modifier. */
23  scanf("%as", fp); /* expected-warning{{format specifies type 'char **' but the argument has type 'float *'}}
24                       expected-warning{{'a' length modifier is not supported by ISO C}} */
25  scanf("%aS", fp); /* expected-warning{{format specifies type 'wchar_t **' (aka 'int **') but the argument has type 'float *'}}
26                       expected-warning{{'a' length modifier is not supported by ISO C}}
27                       expected-warning{{'S' conversion specifier is not supported by ISO C}} */
28  scanf("%a[abc]", fp); /* expected-warning{{format specifies type 'char **' but the argument has type 'float *'}}
29                           expected-warning{{'a' length modifier is not supported by ISO C}} */
30}
31