OpenE2K/gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

re PR c++/1607 ([3.3 only] Format attributes on methods undocumented)

Browse Source 
PR c++/1607
	* doc/extend.texi (Function Attributes): Document the effect of
	the C++ "this" parameter on the counting of arguments for the
	"format" and "format_arg" attributes.

From-SVN: r63030
This commit is contained in:
Ben Elliston 2003-02-18 10:51:57 +00:00 committed by Ben Elliston
parent 69c107efe4
commit f57a2e3a8a
2 changed files with 13 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
gcc/ChangeLog
View File

@ -1,3 +1,10 @@
2003-02-18 Ben Elliston <bje@redhat.com>
PR c++/1607
* doc/extend.texi (Function Attributes): Document the effect of
the C++ "this" parameter on the counting of arguments for the
"format" and "format_arg" attributes.
2003-02-17 Aldy Hernandez <aldyh@redhat.com>
* config/rs6000/spe.h (__ev_stdd): Cast 2nd arg.

7
gcc/doc/extend.texi
View File

@ -2101,6 +2101,9 @@ functions where the arguments are not available to be checked (such as
@code{vprintf}), specify the third parameter as zero. In this case the
compiler only checks the format string for consistency. For
@code{strftime} formats, the third parameter is required to be zero.
Since non-static C++ methods have an implicit @code{this} argument, the
arguments of such methods should be counted from two, not one, when
giving values for @var{string-index} and @var{first-to-check}.
In the example above, the format string (@code{my_format}) is the second
argument of the function @code{my_print}, and the arguments to check
@ -2153,7 +2156,9 @@ string argument is not constant; this would generate a warning when
without the attribute.
The parameter @var{string-index} specifies which argument is the format
string argument (starting from 1).
string argument (starting from one). Since non-static C++ methods have
an implicit @code{this} argument, the arguments of such methods should
be counted from two.
The @code{format-arg} attribute allows you to identify your own
functions which modify format strings, so that GCC can check the