clang/test/Sema/format-strings-freebsd.c

   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 // RUN: %clang_cc1 -fsyntax-only -verify -triple x86_64-scei-ps4 %s
   4 // RUN: %clang_cc1 -fsyntax-only -verify -triple x86_64-sie-ps5 %s
   5
   6 // Test FreeBSD kernel printf extensions.
   7 int freebsd_kernel_printf(const char *, ...) __attribute__((__format__(__freebsd_kprintf__, 1, 2)));
   8
   9 void check_freebsd_kernel_extensions(int i, long l, char *s, short h)
  10 {
  11   // %b expects an int and a char *
  12   freebsd_kernel_printf("reg=%b\n", i, "\10\2BITTWO\1BITONE\n"); // no-warning
  13   freebsd_kernel_printf("reg=%b\n", l, "\10\2BITTWO\1BITONE\n"); // expected-warning{{format specifies type 'int' but the argument has type 'long'}}
  14   freebsd_kernel_printf("reg=%b\n", i, l); // expected-warning{{format specifies type 'char *' but the argument has type 'long'}}
  15   freebsd_kernel_printf("reg=%b\n", i); // expected-warning{{more '%' conversions than data arguments}}
  16   freebsd_kernel_printf("reg=%b\n", i, "\10\2BITTWO\1BITONE\n", l); // expected-warning{{data argument not used by format string}}
  17
  18   // %D expects an unsigned char * and a char *
  19   freebsd_kernel_printf("%6D", s, ":"); // no-warning
  20   freebsd_kernel_printf("%6D", i, ":"); // expected-warning{{format specifies type 'void *' but the argument has type 'int'}}
  21   freebsd_kernel_printf("%6D", s, i); // expected-warning{{format specifies type 'char *' but the argument has type 'int'}}
  22   freebsd_kernel_printf("%6D", s); // expected-warning{{more '%' conversions than data arguments}}
  23   freebsd_kernel_printf("%6D", s, ":", i); // expected-warning{{data argument not used by format string}}
  24
  25   freebsd_kernel_printf("%*D", 42, s, ":"); // no-warning
  26   freebsd_kernel_printf("%*D", 42, i, ":"); // expected-warning{{format specifies type 'void *' but the argument has type 'int'}}
  27   freebsd_kernel_printf("%*D", 42, s, i); // expected-warning{{format specifies type 'char *' but the argument has type 'int'}}
  28   freebsd_kernel_printf("%*D", 42, s); // expected-warning{{more '%' conversions than data arguments}}
  29   freebsd_kernel_printf("%*D", 42, s, ":", i); // expected-warning{{data argument not used by format string}}
  30
  31   // %r expects an int
  32   freebsd_kernel_printf("%r", i); // no-warning
  33   freebsd_kernel_printf("%r", l); // expected-warning{{format specifies type 'int' but the argument has type 'long'}}
  34   freebsd_kernel_printf("%lr", i); // expected-warning{{format specifies type 'long' but the argument has type 'int'}}
  35   freebsd_kernel_printf("%lr", l); // no-warning
  36
  37   // h modifier expects a short
  38   freebsd_kernel_printf("%hr", i); // no-warning
  39   freebsd_kernel_printf("%hr", h); // no-warning
  40   freebsd_kernel_printf("%hy", i); // no-warning
  41   freebsd_kernel_printf("%hy", h); // no-warning
  42
  43   // %y expects an int
  44   freebsd_kernel_printf("%y", i); // no-warning
  45   freebsd_kernel_printf("%y", l); // expected-warning{{format specifies type 'int' but the argument has type 'long'}}
  46   freebsd_kernel_printf("%ly", i); // expected-warning{{format specifies type 'long' but the argument has type 'int'}}
  47   freebsd_kernel_printf("%ly", l); // no-warning
  48 }