gcc/testsuite/gdc.dg/Wbuiltin_declaration_mismatch1.d

   1 // { dg-do compile }
   2 // { dg-options "-Wbuiltin-declaration-mismatch" }
   3
   4 extern(C):
   5
   6 // Mismatched parameter lengths
   7 double tan();             // { dg-warning "\\\[-Wbuiltin-declaration-mismatch]" }
   8
   9 // Mismatched variadic arguments
  10 int printf(const(char)*); // { dg-warning "\\\[-Wbuiltin-declaration-mismatch]" }
  11
  12 // Mismatched return type
  13 void puts(char*);         // { dg-warning "\\\[-Wbuiltin-declaration-mismatch]" }
  14
  15 // Mismatched return storage class
  16 ref int isalnum(int);     // { dg-warning "\\\[-Wbuiltin-declaration-mismatch]" }
  17
  18 // Mismatched parameter type
  19 double sin(long);         // { dg-warning "\\\[-Wbuiltin-declaration-mismatch]" }
  20
  21 // Mismatched parameter storage class
  22 double frexp(double, lazy int*); // { dg-warning "\\\[-Wbuiltin-declaration-mismatch]" }
  23 double log(ref double);          // { dg-warning "\\\[-Wbuiltin-declaration-mismatch]" }
  24
  25 // Verify that storage classes don't affect covariance matching
  26 @trusted nothrow @nogc pure double fabs(double);
  27
  28 // Verify inout is allowed instead of const
  29 inout(char)* strstr(return scope inout(char)*, scope const char*) pure;
  30
  31 // Verify that FILE* is allowed as it is implicitly convertable to void*
  32 struct _IO_FILE{}
  33 alias FILE = shared(_IO_FILE);
  34 int fprintf(FILE*, scope const char*, scope const ...);
  35
  36 // Verify integral types with same size are treated as if equivalent
  37 int putchar(dchar);