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authorthorpej <thorpej@138bc75d-0d04-0410-961f-82ee72b054a4>2002-05-23 15:48:05 +0000
committerthorpej <thorpej@138bc75d-0d04-0410-961f-82ee72b054a4>2002-05-23 15:48:05 +0000
commitdbf6c367801e1bf1d0cec09a2fe8fef7f7957c3f (patch)
treeec1ff9d3e5c1ac88998d2453691cca3c42bc0416 /gcc/c-decl.c
parent43a852ea4edb3bace60c8f0880cdc1768ace6151 (diff)
downloadppe42-gcc-dbf6c367801e1bf1d0cec09a2fe8fef7f7957c3f.tar.gz
ppe42-gcc-dbf6c367801e1bf1d0cec09a2fe8fef7f7957c3f.zip
* 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53790 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/c-decl.c')
-rw-r--r--gcc/c-decl.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c
index 0890a2a58c4..3dcb05540ec 100644
--- a/gcc/c-decl.c
+++ b/gcc/c-decl.c
@@ -489,6 +489,7 @@ c_decode_option (argc, argv)
{ "missing-prototypes", &warn_missing_prototypes },
{ "multichar", &warn_multichar },
{ "nested-externs", &warn_nested_externs },
+ { "nonnull", &warn_nonnull },
{ "parentheses", &warn_parentheses },
{ "pointer-arith", &warn_pointer_arith },
{ "redundant-decls", &warn_redundant_decls },
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