diff options
| author | Roland McGrath <roland@gnu.org> | 2005-12-29 10:51:20 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 2005-12-29 10:51:20 +0000 |
| commit | 1d02865b2db8a39c8a67145826456a37e8831d5d (patch) | |
| tree | b1bf0bfa0ca796d5f1cb49183065c549b410bd89 /sysdeps/mach/hurd | |
| parent | 8ad684db49bf9dc109c409cac38f744e3fa260c7 (diff) | |
| download | glibc-1d02865b2db8a39c8a67145826456a37e8831d5d.tar.gz glibc-1d02865b2db8a39c8a67145826456a37e8831d5d.tar.xz glibc-1d02865b2db8a39c8a67145826456a37e8831d5d.zip | |
* sysdeps/mach/hurd/errno.c: New file.
* sysdeps/mach/hurd/ioctl.c (__ioctl): Use a union to avoid a cast.
Diffstat (limited to 'sysdeps/mach/hurd')
| -rw-r--r-- | sysdeps/mach/hurd/errno.c | 1 | ||||
| -rw-r--r-- | sysdeps/mach/hurd/ioctl.c | 13 |
2 files changed, 12 insertions, 2 deletions
diff --git a/sysdeps/mach/hurd/errno.c b/sysdeps/mach/hurd/errno.c new file mode 100644 index 0000000000..a29091b5e2 --- /dev/null +++ b/sysdeps/mach/hurd/errno.c @@ -0,0 +1 @@ +/* No definition of `errno' variable on the Hurd. */ diff --git a/sysdeps/mach/hurd/ioctl.c b/sysdeps/mach/hurd/ioctl.c index 6a540241a4..bcc78bc84e 100644 --- a/sysdeps/mach/hurd/ioctl.c +++ b/sysdeps/mach/hurd/ioctl.c @@ -58,7 +58,16 @@ __ioctl (int fd, unsigned long int request, ...) struct { #ifdef MACH_MSG_TYPE_BIT - mig_reply_header_t header; + union + { + mig_reply_header_t header; + struct + { + mach_msg_header_t Head; + int RetCodeType; + kern_return_t RetCode; + } header_typecheck; + }; char data[3 * sizeof (mach_msg_type_t) + msg_align (_IOT_COUNT0 (type) * typesize (_IOT_TYPE0 (type))) + msg_align (_IOT_COUNT1 (type) * typesize (_IOT_TYPE1 (type))) + @@ -192,7 +201,7 @@ __ioctl (int fd, unsigned long int request, ...) return MIG_TYPE_ERROR; #ifdef MACH_MSG_TYPE_BIT - if (*(int *) &msg.header.RetCodeType != + if (msg.header_typecheck.RetCodeType != ((union { mach_msg_type_t t; int i; }) { t: io2mach_type (1, _IOTS (msg.header.RetCode)) }).i) return MIG_TYPE_ERROR; |