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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [format/] [null-1.c] - Blame information for rev 816

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Line No. Rev Author Line
1 149 jeremybenn
/* Test for some aspects of null format string handling.  */
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/* Origin: Jason Thorpe <thorpej@wasabisystems.com> */
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/* { dg-do compile } */
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/* { dg-options "-std=gnu99 -Wformat" } */
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#include "format.h"
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extern void my_printf (const char *, ...) __attribute__((format(printf,1,2)));
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extern const char *my_format (const char *, const char *)
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  __attribute__((format_arg(2)));
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void
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foo (int i1)
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{
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  /* Warning about a null format string has been decoupled from the actual
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     format check.  However, we still expect to be warned about any excess
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     arguments after a null format string.  */
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  my_printf (NULL);
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  my_printf (NULL, i1); /* { dg-warning "too many" "null format with arguments" } */
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  my_printf (my_format ("", NULL));
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  my_printf (my_format ("", NULL), i1); /* { dg-warning "too many" "null format_arg with arguments" } */
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  /* While my_printf allows a null argument, dgettext does not, so we expect
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     a null argument warning here.  */
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  my_printf (dgettext ("", NULL)); /* { dg-warning "null" "null format with dgettext" } */
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}

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