llvm-project/clang/test/Sema/variadic-block.c

43 lines
1022 B
C

// RUN: %clang_cc1 %s -verify -fsyntax-only -fblocks
// expected-no-diagnostics
#include <stdarg.h>
int main(int argc, char *argv[]) {
long (^addthem)(const char *, ...) = ^long (const char *format, ...){
va_list argp;
const char *p;
int i;
char c;
double d;
long result = 0;
va_start(argp, format);
for (p = format; *p; p++) switch (*p) {
case 'i':
i = va_arg(argp, int);
result += i;
break;
case 'd':
d = va_arg(argp, double);
result += (int)d;
break;
case 'c':
c = va_arg(argp, int);
result += c;
break;
}
return result;
};
long testresult = addthem("ii", 10, 20);
if (testresult != 30) {
return 1;
}
testresult = addthem("idc", 30, 40.0, 'a');
if (testresult != (70+'a')) {
return 1;
}
return 0;
}