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author | Andrew Bartlett <abartlet@samba.org> | 2011-06-24 16:26:23 +1000 |
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committer | Andrew Bartlett <abartlet@samba.org> | 2011-06-24 16:26:23 +1000 |
commit | 6da26870e0ae5acd6ff49a30ec2f6886b44d095e (patch) | |
tree | 850c71039563c16a5d563c47e7ba2ab645baf198 /lib/ccan/cast/test/compile_fail-cast_const.c | |
parent | 6925a799d04c6fa59dd2ddef1f5510f9bb7d17d1 (diff) | |
parent | 2610c05b5b95cc7036b3d6dfb894c6cfbdb68483 (diff) | |
download | samba-6da26870e0ae5acd6ff49a30ec2f6886b44d095e.tar.gz samba-6da26870e0ae5acd6ff49a30ec2f6886b44d095e.tar.bz2 samba-6da26870e0ae5acd6ff49a30ec2f6886b44d095e.zip |
Merge 2610c05b5b95cc7036b3d6dfb894c6cfbdb68483 as Samba-4.0alpha16
Diffstat (limited to 'lib/ccan/cast/test/compile_fail-cast_const.c')
-rw-r--r-- | lib/ccan/cast/test/compile_fail-cast_const.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/lib/ccan/cast/test/compile_fail-cast_const.c b/lib/ccan/cast/test/compile_fail-cast_const.c new file mode 100644 index 0000000000..277f3de1c4 --- /dev/null +++ b/lib/ccan/cast/test/compile_fail-cast_const.c @@ -0,0 +1,29 @@ +#include <ccan/cast/cast.h> +#include <stdlib.h> + +/* Note: this *isn't* sizeof(char) on all platforms. */ +struct char_struct { + char c; +}; + +int main(int argc, char *argv[]) +{ + char *uc; + const +#ifdef FAIL + struct char_struct +#else + char +#endif + *p = NULL; + + uc = cast_const(char *, p); + (void) uc; /* Suppress unused-but-set-variable warning. */ + return 0; +} + +#ifdef FAIL +#if !HAVE_TYPEOF||!HAVE_BUILTIN_CHOOSE_EXPR||!HAVE_BUILTIN_TYPES_COMPATIBLE_P +#error "Unfortunately we don't fail if cast_const can only use size" +#endif +#endif |