| /* Test for warnings for extra format arguments being disabled by |
| -Wno-format-extra-args. Test which warnings still apply with $ |
| operand numbers. */ |
| /* Origin: Joseph Myers <jsm28@cam.ac.uk> */ |
| /* { dg-do compile { target { *-*-mingw* } } } */ |
| /* { dg-options "-std=gnu99 -Wformat -Wno-format-extra-args" } */ |
| |
| #define USE_SYSTEM_FORMATS |
| #include "format.h" |
| |
| void |
| foo (int i, int *ip, va_list va) |
| { |
| printf ("%3$d%1$d", i, i, i); /* { dg-warning "before used" "unused $ operand" } */ |
| printf ("%2$d%1$d", i, i, i); |
| vprintf ("%3$d%1$d", va); /* { dg-warning "before used" "unused $ operand" } */ |
| /* With scanf formats, gaps in the used arguments are allowed only if the |
| arguments are all pointers. In such a case, should only give the lesser |
| warning about unused arguments rather than the more serious one about |
| argument gaps. */ |
| scanf ("%3$d%1$d", ip, ip, ip); |
| /* If there are non-pointer arguments unused at the end, this is also OK. */ |
| scanf ("%3$d%1$d", ip, ip, ip, i); |
| scanf ("%3$d%1$d", ip, i, ip); /* { dg-warning "before used" "unused $ scanf non-pointer operand" } */ |
| /* Can't check the arguments in the vscanf case, so should suppose the |
| lesser problem. */ |
| vscanf ("%3$d%1$d", va); |
| } |
