diff options
| author | Roland McGrath <roland@gnu.org> | 1996-08-02 05:27:50 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 1996-08-02 05:27:50 +0000 |
| commit | e75154a665018d5756196275634704c95476ea6b (patch) | |
| tree | 0c8f889a29304e0cc86611c629f1b620d16cf8a7 /sysdeps/generic/ioctl-types.h | |
| parent | 9ebb936d991a6e08da05e5a942465d64cac39f86 (diff) | |
Remade for alpha-1.93cvs/libc-960802
Diffstat (limited to 'sysdeps/generic/ioctl-types.h')
| -rw-r--r-- | sysdeps/generic/ioctl-types.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sysdeps/generic/ioctl-types.h b/sysdeps/generic/ioctl-types.h index 0fc0cd40e1..1116d52e33 100644 --- a/sysdeps/generic/ioctl-types.h +++ b/sysdeps/generic/ioctl-types.h @@ -83,6 +83,11 @@ struct winsize #endif #if defined (TIOCGSIZE) || defined (TIOCSSIZE) +/* The BSD-style ioctl constructor macros use `sizeof', which can't be used + in a preprocessor conditional. Since the commands are always unique + regardless of the size bits, we can safely define away `sizeof' for the + purpose of the conditional. */ +# define sizeof(type) 0 # if defined (TIOCGWINSZ) && TIOCGSIZE == TIOCGWINSZ /* Many systems that have TIOCGWINSZ define TIOCGSIZE for source compatibility with Sun; they define `struct ttysize' to have identical @@ -105,6 +110,7 @@ struct ttysize int ts_lines, ts_cols; /* Lines and columns, in characters. */ }; # endif +# undef sizeof /* See above. */ #endif |