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On Wed, May 22, 2002 at 09:15:43PM +0100, Joseph S. Myers wrote: > I didn't see anything else wrong. I'll review the patch with this (and > the typos I mentioned previously) fixed. Ok, here it is. * c-common.c (warn_nonnull): Declare. (c_common_attribute_table): Add "nonnull" attribute. (handle_nonnull_attribute, check_function_nonnull, nonnull_check_p, check_nonnull_arg, get_nonnull_operand, check_function_arguments, check_function_arguments_recurse): New functions. * c-common.h (warn_nonnull): Declare extern. (check_function_arguments, check_function_arguments_recurse): New prototypes. * c-decl.c (c_decode_option): Add -Wnonnull option. * c-format.c (set_Wformat): Set warn_nonnull if enabling format checking. (format_check_context): New structure. (check_format_info_recurse): Remove recursion and rename to... (check_format_arg): ...this. Update comment. (check_format_info): Use check_function_arguments_recurse. * c-typeck.c (build_function_call): Call check_function_arguments instead of check_function_format. * doc/extend.texi: Document "nonnull" attribute. * doc/invoke.texi: Docuemnt -Wnonnull option. * testsuite/gcc.dg/nonnull-1.c: New test. * testsuite/gcc.dg/nonnull-2.c: New test. -- -- Jason R. Thorpe <thorpej@wasabisystems.com>
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nonnull-patch-4
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