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cat <<'EOF' > expected
123
456 789
EOF
test_diff <<'EOF'
#include <stdarg.h>
int fprintf();
struct FILE;
typedef struct FILE FILE;
extern FILE* stdout;
int vfprintf(FILE*, const char*, va_list);
void fatal_error(const char* msg, ...) {
va_list args;
va_start(args, msg);
vfprintf(stdout, msg, args);
va_end(args);
fprintf(stdout, "\n");
}
int main() {
fatal_error("%d", 123);
fatal_error("%d %d", 456, 789);
return 0;
}
EOF
test_exit_code 0 <<'EOF'
#include <stdarg.h>
#include <helpers.h>
int sum(int n, ...) {
va_list args;
va_start(args, n);
int s = 0;
for (int i = 0; i < n; ++i) {
s += va_arg(args, int);
}
va_end(args);
return s;
}
int main() {
ASSERT_EQ(400, sum(5, 100, 90, 80, 70, 60));
}
EOF
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