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| author | Jason Thorpe <thorpej@wasabisystems.com> | 2002-05-23 15:48:05 +0000 |
|---|---|---|
| committer | Jason Thorpe <thorpej@gcc.gnu.org> | 2002-05-23 15:48:05 +0000 |
| commit | b34c78814983ef7dcb1b6baacb335836c960ac15 (patch) | |
| tree | ec1ff9d3e5c1ac88998d2453691cca3c42bc0416 /gcc/c-decl.c | |
| parent | 9547983155087b81454e9149ad37c2945f8137b9 (diff) | |
| download | gcc-b34c78814983ef7dcb1b6baacb335836c960ac15.zip gcc-b34c78814983ef7dcb1b6baacb335836c960ac15.tar.gz gcc-b34c78814983ef7dcb1b6baacb335836c960ac15.tar.bz2 | |
c-common.c (warn_nonnull): Declare.
* 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.
From-SVN: r53790
Diffstat (limited to 'gcc/c-decl.c')
| -rw-r--r-- | gcc/c-decl.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c index 0890a2a..3dcb055 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 }, |