diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2010-10-21 04:02:59 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-04-13 20:55:34 -0400 |
| commit | 519a65d26c4c1a9a72046ab4dcb594a64d19a662 (patch) | |
| tree | ed75790f9bc147b3129c3a3132c83140b04aa7b1 /validation/preprocessor | |
| parent | d6b8d38f0ef16a1c24b62411e1aecfff86073f17 (diff) | |
| download | sparse-dev-519a65d26c4c1a9a72046ab4dcb594a64d19a662.tar.gz | |
Fix ,##__VA_ARGS__ kludge
a) it actually allows any number of ##<arg>##... in between, as long as all
those args are empty.
b) it does *not* allow ## after __VA_ARGS__ - if it's there magic disappears
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'validation/preprocessor')
| -rw-r--r-- | validation/preprocessor/preprocessor14.c | 1 | ||||
| -rw-r--r-- | validation/preprocessor/preprocessor23.c | 47 |
2 files changed, 47 insertions, 1 deletions
diff --git a/validation/preprocessor/preprocessor14.c b/validation/preprocessor/preprocessor14.c index 05fc248b..027af040 100644 --- a/validation/preprocessor/preprocessor14.c +++ b/validation/preprocessor/preprocessor14.c @@ -7,7 +7,6 @@ A(,1) B(,1) /* * check-name: Preprocessor #14 - * check-known-to-fail * check-command: sparse -E $file * * check-output-start diff --git a/validation/preprocessor/preprocessor23.c b/validation/preprocessor/preprocessor23.c new file mode 100644 index 00000000..25be5085 --- /dev/null +++ b/validation/preprocessor/preprocessor23.c @@ -0,0 +1,47 @@ +#define H(x,...) ,##x##__VA_ARGS__##,##__VA_ARGS__ +H() +H(x) +H(,) +H(x,) +H(,x) +H(x,x) +#define I(x,...) ,##x##__VA_ARGS__ +I() +I(x) +I(,) +I(x,) +I(,x) +I(x,x) +/* + * check-name: Preprocessor #23 + * check-command: sparse -E $file + * + * check-output-start + +, +,x +,, +,x, +,x,x +,xx,x +,x +, +,x +,x +,xx + * check-output-end + * + * check-error-start +preprocessor/preprocessor23.c:3:1: error: '##' failed: concatenation is not a valid token +preprocessor/preprocessor23.c:4:1: error: '##' failed: concatenation is not a valid token +preprocessor/preprocessor23.c:5:1: error: '##' failed: concatenation is not a valid token +preprocessor/preprocessor23.c:5:1: error: '##' failed: concatenation is not a valid token +preprocessor/preprocessor23.c:6:1: error: '##' failed: concatenation is not a valid token +preprocessor/preprocessor23.c:6:1: error: '##' failed: concatenation is not a valid token +preprocessor/preprocessor23.c:7:1: error: '##' failed: concatenation is not a valid token +preprocessor/preprocessor23.c:7:1: error: '##' failed: concatenation is not a valid token +preprocessor/preprocessor23.c:10:1: error: '##' failed: concatenation is not a valid token +preprocessor/preprocessor23.c:12:1: error: '##' failed: concatenation is not a valid token +preprocessor/preprocessor23.c:14:1: error: '##' failed: concatenation is not a valid token + * check-error-end + */ |