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| author | Gerald Pfeifer <gerald@pfeifer.com> | 2003-10-07 16:28:37 +0000 |
|---|---|---|
| committer | Gerald Pfeifer <gerald@gcc.gnu.org> | 2003-10-07 16:28:37 +0000 |
| commit | f6d9224fe395acc0e839bd7cbb20d1d70a81e594 (patch) | |
| tree | 62151e6714b55cc40da709e324c12b3fd3a68266 | |
| parent | 456bc4bb588f3d1c248955255d058a933abfd989 (diff) | |
| download | gcc-f6d9224fe395acc0e839bd7cbb20d1d70a81e594.zip gcc-f6d9224fe395acc0e839bd7cbb20d1d70a81e594.tar.gz gcc-f6d9224fe395acc0e839bd7cbb20d1d70a81e594.tar.bz2 | |
invoke.texi (Warning Options): Simplify and clarify the descriptions of -Wnonnull and -Winit-self.
* doc/invoke.texi (Warning Options): Simplify and clarify the
descriptions of -Wnonnull and -Winit-self.
From-SVN: r72194
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/doc/invoke.texi | 12 |
2 files changed, 11 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 77ba3dc..6948765 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2003-10-07 Gerald Pfeifer <gerald@pfeifer.com> + + * doc/invoke.texi (Warning Options): Simplify and clarify the + descriptions of -Wnonnull and -Winit-self. + 2003-10-07 Richard Earnshaw <rearnsha@arm.com> * optabs.c (init_intraclass_conv_libfuncs): Fix order of array diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index d6ab928..b943146 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -2173,7 +2173,7 @@ Enable @option{-Wformat} plus format checks not included in @item -Wnonnull @opindex Wnonnull -Enable warning about passing a null pointer for arguments marked as +Warn about passing a null pointer for arguments marked as requiring a non-null value by the @code{nonnull} function attribute. @option{-Wnonnull} is included in @option{-Wall} and @option{-Wformat}. It @@ -2181,12 +2181,12 @@ can be disabled with the @option{-Wno-nonnull} option. @item -Winit-self @r{(C, C++, and Objective-C only)} @opindex Winit-self -Enable warning about uninitialized variables which are initalized with themselves. -Note this option can only be used with the @option{-Wuninitialized} option and -that only works with @option{-O}. +Warn about uninitialized variables which are initialized with themselves. +Note this option can only be used with the @option{-Wuninitialized} option, +which in turn only works with @option{-O1} and above. -For an example, the following code will not warn about i being uninitialized -without this option: +For example, GCC will warn about @code{i} being uninitialized in the +following snippet only when @option{-Winit-self} has been specified: @smallexample @group int f() |