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[Bug libc/1067] New: recvmsg, sendmsg broken on 64 bit architectures due to different struct msghdr definition in glibc and Linux kernel
- From: "christoph dot stueckjuergen at siemens dot com" <sourceware-bugzilla at sources dot redhat dot com>
- To: glibc-bugs at sources dot redhat dot com
- Date: 14 Jul 2005 08:58:11 -0000
- Subject: [Bug libc/1067] New: recvmsg, sendmsg broken on 64 bit architectures due to different struct msghdr definition in glibc and Linux kernel
- Reply-to: sourceware-bugzilla at sources dot redhat dot com
recvmsg and sendmsg are broken on 64-bit architectures due to different
definitions of struct msghdr in the Linux kernel (2.6.12) and the glibc
(2.3.5).
In the kernel <linux/socket.h>:
struct msghdr {
void * msg_name;
int msg_namelen;
struct iovec * msg_iov;
__kernel_size_t msg_iovlen;
void * msg_control;
__kernel_size_t msg_controllen;
unsigned msg_flags;
};
In the glibc <bits/socket.h>:
struct msghdr
{
void *msg_name;
socklen_t msg_namelen;
struct iovec *msg_iov;
int msg_iovlen;
void *msg_control;
socklen_t msg_controllen;
int msg_flags;
};
msg_iovlen and msg_controllen are 64 bit wide in the kernel header and 32 bit
wide in the glibc header.
--
Summary: recvmsg, sendmsg broken on 64 bit architectures due to
different struct msghdr definition in glibc and Linux
kernel
Product: glibc
Version: 2.3.5
Status: NEW
Severity: normal
Priority: P2
Component: libc
AssignedTo: gotom at debian dot or dot jp
ReportedBy: christoph dot stueckjuergen at siemens dot com
CC: glibc-bugs at sources dot redhat dot com
GCC host triplet: mips64-linux-gnu
GCC target triplet: mips64-linux-gnu
http://sources.redhat.com/bugzilla/show_bug.cgi?id=1067
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