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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [format/] [no-exargs-2.c] - Blame information for rev 816

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1 149 jeremybenn
/* Test for warnings for extra format arguments being disabled by
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   -Wno-format-extra-args.  Test which warnings still apply with $
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   operand numbers.  */
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/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
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/* { dg-do compile } */
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/* { dg-options "-std=gnu99 -Wformat -Wno-format-extra-args" } */
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#include "format.h"
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void
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foo (int i, int *ip, va_list va)
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{
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  printf ("%3$d%1$d", i, i, i); /* { dg-warning "before used" "unused $ operand" } */
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  printf ("%2$d%1$d", i, i, i);
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  vprintf ("%3$d%1$d", va); /* { dg-warning "before used" "unused $ operand" } */
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  /* With scanf formats, gaps in the used arguments are allowed only if the
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     arguments are all pointers.  In such a case, should only give the lesser
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     warning about unused arguments rather than the more serious one about
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     argument gaps.  */
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  scanf ("%3$d%1$d", ip, ip, ip);
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  /* If there are non-pointer arguments unused at the end, this is also OK.  */
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  scanf ("%3$d%1$d", ip, ip, ip, i);
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  scanf ("%3$d%1$d", ip, i, ip); /* { dg-warning "before used" "unused $ scanf non-pointer operand" } */
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  /* Can't check the arguments in the vscanf case, so should suppose the
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     lesser problem.  */
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  vscanf ("%3$d%1$d", va);
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}

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