diff options
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 |