clang/test/Sema/format-type-confusion.c

   1 // RUN: %clang_cc1 -triple x86_64-apple-darwin9.0 -fsyntax-only -verify -Wno-format -Wformat-type-confusion %s
   2
   3 __attribute__((format(__printf__, 1, 2)))
   4 int printf(const char *msg, ...);
   5
   6 #define FMT "%hd %hu %d %u %hhd %hhu %c"
   7
   8 int main(void) {
   9   _Bool b = 0;
  10   printf(FMT,
  11          b, // expected-warning {{format specifies type 'short' but the argument has type '_Bool'}}
  12          b, // expected-warning {{format specifies type 'unsigned short' but the argument has type '_Bool'}}
  13          b, b, b, b, b);
  14
  15   unsigned char uc = 0;
  16   printf(FMT,
  17          uc, // expected-warning {{format specifies type 'short' but the argument has type 'unsigned char'}}
  18          uc, // expected-warning {{format specifies type 'unsigned short' but the argument has type 'unsigned char'}}
  19          uc, uc, uc, uc, uc);
  20
  21   signed char sc = 0;
  22   printf(FMT,
  23          sc, // expected-warning {{format specifies type 'short' but the argument has type 'signed char'}}
  24          sc, // expected-warning {{format specifies type 'unsigned short' but the argument has type 'signed char'}}
  25          sc, sc, sc, sc, sc);
  26 }