gcc/testsuite/gcc.dg/cpp/sysmac1.c

   1 /* Copyright (C) 2001 Free Software Foundation, Inc.  */
   2
   3 /* { dg-do preprocess } */
   4 /* { dg-options "-std=gnu99 -pedantic -Wtraditional" } */
   5
   6 /* Tests diagnostics are suppressed for some macros defined in system
   7    headers.  */
   8
   9 /* Source: Neil Booth, 15 Jan 2001.  */
  10
  11 #include "syshdr.h"
  12
  13 #define uint 1U
  14 #define str(x) x
  15 #define foo(x, y...) bar(x, ##y) /* { dg-warning "named variadic macros" } */
  16
  17 #if uint                        /* { dg-warning "traditional C rejects" } */
  18 #endif
  19 #if sys_uint                    /* { dg-bogus "traditional C rejects" } */
  20 #endif
  21
  22 (str);                          /* { dg-warning "used with arguments" } */
  23 (sys_str);                      /* { dg-bogus "used with arguments" } */
  24
  25 foo (one_arg);                  /* { dg-warning "requires rest arguments" } */
  26 sys_foo (one_arg);              /* { dg-bogus "requires rest arguments" } */