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* include/cygwin/socket.h (struct cmsghdr): Redefine cmsg_len as type

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size_t.  Add comment to explain why.
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Corinna Vinschen 2015-01-08 13:12:50 +00:00
parent 808fde520f
commit 46eb312f13
2 changed files with 10 additions and 2 deletions
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5
winsup/cygwin/ChangeLog
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@ -1,3 +1,8 @@
2015-01-08 Corinna Vinschen <corinna@vinschen.de>
* include/cygwin/socket.h (struct cmsghdr): Redefine cmsg_len as type
size_t. Add comment to explain why.
2015-01-08 Corinna Vinschen <corinna@vinschen.de>
* localtime.cc (__cygwin_gettzoffset): New function for access from

7
winsup/cygwin/include/cygwin/socket.h
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@ -1,7 +1,7 @@
/* cygwin/socket.h
Copyright 1999, 2000, 2001, 2002, 2003, 2005, 2006, 2007, 2009, 2010, 2012,
2013, 2014 Red Hat, Inc.
2013, 2014, 2015 Red Hat, Inc.
This file is part of Cygwin.
@ -77,7 +77,10 @@ struct msghdr
struct cmsghdr
{
socklen_t cmsg_len; /* Length of cmsghdr + data */
/* Amazing but true: The type of cmsg_len should be socklen_t but, just
as on Linux, the definition of the kernel is incompatible with this,
so the Windows socket headers define cmsg_len as SIZE_T. */
size_t cmsg_len; /* Length of cmsghdr + data */
int cmsg_level; /* Protocol */
int cmsg_type; /* Protocol type */
};