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| author | Tristan Gingold <gingold@adacore.com> | 2011-10-11 07:13:59 +0000 |
|---|---|---|
| committer | Tristan Gingold <gingold@gcc.gnu.org> | 2011-10-11 07:13:59 +0000 |
| commit | 6637388fdc4b4c82c906966024f9012fc0c71df5 (patch) | |
| tree | 42265edef2e5b8b22a409439cc87ddca221acd00 /gcc/doc/invoke.texi | |
| parent | 10d1dc24ff815c3ed2b9c66493f05e44d5d7bafe (diff) | |
| download | gcc-6637388fdc4b4c82c906966024f9012fc0c71df5.zip gcc-6637388fdc4b4c82c906966024f9012fc0c71df5.tar.gz gcc-6637388fdc4b4c82c906966024f9012fc0c71df5.tar.bz2 | |
c.opt: (fallow-parameterless-variadic-functions): New.
c-family/ChangeLog
2011-10-11 Tristan Gingold <gingold@adacore.com>
* c.opt: (fallow-parameterless-variadic-functions): New.
ChangeLog
2011-10-11 Tristan Gingold <gingold@adacore.com>
* doc/invoke.texi (C Dialect Options): Document
-fallow-parameterless-variadic-functions.
* c-parser.c (c_parser_parms_list_declarator): Handle it.
testsuite/ChangeLog
2011-10-11 Tristan Gingold <gingold@adacore.com>
* gcc.dg/va-arg-4.c: New test.
* gcc.dg/va-arg-5.c: Ditto.
From-SVN: r179786
Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index ef7ac68..6888928 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -170,7 +170,7 @@ in the following sections. @item C Language Options @xref{C Dialect Options,,Options Controlling C Dialect}. @gccoptlist{-ansi -std=@var{standard} -fgnu89-inline @gol --aux-info @var{filename} @gol +-aux-info @var{filename} -fallow-parameterless-variadic-functions @gol -fno-asm -fno-builtin -fno-builtin-@var{function} @gol -fhosted -ffreestanding -fopenmp -fms-extensions -fplan9-extensions @gol -trigraphs -no-integrated-cpp -traditional -traditional-cpp @gol @@ -1622,6 +1622,13 @@ character). In the case of function definitions, a K&R-style list of arguments followed by their declarations is also provided, inside comments, after the declaration. +@item -fallow-parameterless-variadic-functions +Accept variadic functions without named parameters. + +Although it is possible to define such a function, this is not very +useful as it is not possible to read the arguments. This is only +supported for C as this construct is allowed by C++. + @item -fno-asm @opindex fno-asm Do not recognize @code{asm}, @code{inline} or @code{typeof} as a |