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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [format/] [no-exargs-2.c] - Rev 329
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/* 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 } */ /* { dg-options "-std=gnu99 -Wformat -Wno-format-extra-args" } */ #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); }
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