diff options
Diffstat (limited to 'sysdeps/mach/hurd/ioctl.c')
| -rw-r--r-- | sysdeps/mach/hurd/ioctl.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/sysdeps/mach/hurd/ioctl.c b/sysdeps/mach/hurd/ioctl.c index 3d590d5845..bcc78bc84e 100644 --- a/sysdeps/mach/hurd/ioctl.c +++ b/sysdeps/mach/hurd/ioctl.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1992,93,94,95,96,97,99,2000,02 Free Software Foundation, Inc. +/* Copyright (C) 1992,93,94,95,96,97,99,2000,2002,2005 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -57,7 +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))) + @@ -136,9 +146,11 @@ __ioctl (int fd, unsigned long int request, ...) Rather than pointing to the value, ARG is the value itself. */ #ifdef MACH_MSG_TYPE_BIT *t++ = io2mach_type (1, _IOTS (integer_t)); - *((integer_t *) t)++ = (integer_t) arg; + *(integer_t *) t = (integer_t) arg; + t = (void *) t + sizeof (integer_t); #else - *((integer_t *) p)++ = (integer_t) arg; + *(integer_t *) p = (integer_t) arg; + p = (void *) p + sizeof (integer_t); #endif } @@ -189,7 +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; |