clang/test/Sema/variadic-block.c

   1 // RUN: %clang_cc1 %s -verify -fsyntax-only -fblocks
   2 // expected-no-diagnostics
   3
   4 #include <stdarg.h>
   5
   6 int main(int argc, char *argv[]) {
   7
   8     long (^addthem)(const char *, ...) = ^long (const char *format, ...){
   9         va_list argp;
  10         const char *p;
  11         int i;
  12         char c;
  13         double d;
  14         long result = 0;
  15         va_start(argp, format);
  16         for (p = format; *p; p++) switch (*p) {
  17             case 'i':
  18                 i = va_arg(argp, int);
  19                 result += i;
  20                 break;
  21             case 'd':
  22                 d = va_arg(argp, double);
  23                 result += (int)d;
  24                 break;
  25             case 'c':
  26                 c = va_arg(argp, int);
  27                 result += c;
  28                 break;
  29         }
  30         return result;
  31     };
  32     long testresult = addthem("ii", 10, 20);
  33     if (testresult != 30) {
  34         return 1;
  35     }
  36     testresult = addthem("idc", 30, 40.0, 'a');
  37     if (testresult != (70+'a')) {
  38         return 1;
  39     }
  40     return 0;
  41 }
  42