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1 // RUN: %clang_cc1 -fsyntax-only -verify -triple i386-unknown-freebsd %s
2 // RUN: %clang_cc1 -fsyntax-only -verify -triple x86_64-unknown-freebsd %s
3 
4 // Test FreeBSD kernel printf extensions.
5 int freebsd_kernel_printf(const char *, ...) __attribute__((__format__(__freebsd_kprintf__, 1, 2)));
6 
check_freebsd_kernel_extensions(int i,long l,char * s)7 void check_freebsd_kernel_extensions(int i, long l, char *s)
8 {
9   // %b expects an int and a char *
10   freebsd_kernel_printf("reg=%b\n", i, "\10\2BITTWO\1BITONE\n"); // no-warning
11   freebsd_kernel_printf("reg=%b\n", l, "\10\2BITTWO\1BITONE\n"); // expected-warning{{format specifies type 'int' but the argument has type 'long'}}
12   freebsd_kernel_printf("reg=%b\n", i, l); // expected-warning{{format specifies type 'char *' but the argument has type 'long'}}
13   freebsd_kernel_printf("reg=%b\n", i); // expected-warning{{more '%' conversions than data arguments}}
14   freebsd_kernel_printf("reg=%b\n", i, "\10\2BITTWO\1BITONE\n", l); // expected-warning{{data argument not used by format string}}
15 
16   // %D expects an unsigned char * and a char *
17   freebsd_kernel_printf("%6D", s, ":"); // no-warning
18   freebsd_kernel_printf("%6D", i, ":"); // expected-warning{{format specifies type 'void *' but the argument has type 'int'}}
19   freebsd_kernel_printf("%6D", s, i); // expected-warning{{format specifies type 'char *' but the argument has type 'int'}}
20   freebsd_kernel_printf("%6D", s); // expected-warning{{more '%' conversions than data arguments}}
21   freebsd_kernel_printf("%6D", s, ":", i); // expected-warning{{data argument not used by format string}}
22 
23   freebsd_kernel_printf("%*D", 42, s, ":"); // no-warning
24   freebsd_kernel_printf("%*D", 42, i, ":"); // expected-warning{{format specifies type 'void *' but the argument has type 'int'}}
25   freebsd_kernel_printf("%*D", 42, s, i); // expected-warning{{format specifies type 'char *' but the argument has type 'int'}}
26   freebsd_kernel_printf("%*D", 42, s); // expected-warning{{more '%' conversions than data arguments}}
27   freebsd_kernel_printf("%*D", 42, s, ":", i); // expected-warning{{data argument not used by format string}}
28 
29   // %r expects an int
30   freebsd_kernel_printf("%r", i); // no-warning
31   freebsd_kernel_printf("%r", l); // expected-warning{{format specifies type 'int' but the argument has type 'long'}}
32   freebsd_kernel_printf("%lr", i); // expected-warning{{format specifies type 'long' but the argument has type 'int'}}
33   freebsd_kernel_printf("%lr", l); // no-warning
34 
35   // %y expects an int
36   freebsd_kernel_printf("%y", i); // no-warning
37   freebsd_kernel_printf("%y", l); // expected-warning{{format specifies type 'int' but the argument has type 'long'}}
38   freebsd_kernel_printf("%ly", i); // expected-warning{{format specifies type 'long' but the argument has type 'int'}}
39   freebsd_kernel_printf("%ly", l); // no-warning
40 }
41