qemu/linux-user
Laurent Vivier 059c2f2cd7 linux-user: convert ioctl(SIOCGIFCONF, ...) result.
The result needs to be converted as it is stored in an array of struct
ifreq and sizeof(struct ifreq) differs according to target and host
alignment rules.

This patch allows to execute correctly the following program on arm
and m68k:

 #include <stdio.h>
 #include <sys/ioctl.h>
 #include <net/if.h>
 #include <alloca.h>
 #include <string.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>

int main(void)
{
    int s, ret;
    struct ifconf ifc;
    int i;

    memset( &ifc, 0, sizeof( struct ifconf ) );
    ifc.ifc_len = 8 * sizeof(struct ifreq);
    ifc.ifc_buf = alloca(ifc.ifc_len);

    s = socket( AF_INET, SOCK_DGRAM, 0 );
    if (s < 0) {
        perror("Cannot open socket");
        return 1;
    }
    ret = ioctl( s, SIOCGIFCONF, &ifc );
    if (s < 0) {
        perror("ioctl() failed");
        return 1;
    }

    for (i = 0; i < ifc.ifc_len / sizeof(struct ifreq) ; i ++) {
        struct sockaddr_in *s;
        s = (struct sockaddr_in*)&ifc.ifc_req[i].ifr_addr;
        printf("%s\n", ifc.ifc_req[i].ifr_name);
        printf("%s\n", inet_ntoa(s->sin_addr));
    }
}

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
2011-04-26 10:15:40 +03:00
..
alpha alpha-linux-user: Implement signals. 2010-02-28 17:54:52 +01:00
arm linux-user/arm/nwfpe: rename REG_PC to ARM_REG_PC 2011-04-25 22:15:31 +02:00
cris Revert "Get rid of _t suffix" 2009-10-01 16:12:16 -05:00
i386 Revert "Get rid of _t suffix" 2009-10-01 16:12:16 -05:00
m68k Revert "Get rid of _t suffix" 2009-10-01 16:12:16 -05:00
microblaze Revert "Get rid of _t suffix" 2009-10-01 16:12:16 -05:00
mips linux-user: fix mips and ppc to use UID16 2010-12-03 15:10:08 +02:00
mips64 Revert "Get rid of _t suffix" 2009-10-01 16:12:16 -05:00
mipsn32 Revert "Get rid of _t suffix" 2009-10-01 16:12:16 -05:00
ppc linux-user: fix mips and ppc to use UID16 2010-12-03 15:10:08 +02:00
sh4 Revert "Get rid of _t suffix" 2009-10-01 16:12:16 -05:00
sparc Revert "Get rid of _t suffix" 2009-10-01 16:12:16 -05:00
sparc64 Revert "Get rid of _t suffix" 2009-10-01 16:12:16 -05:00
unicore32 unicore32: add necessry headers in linux-user/unicore32 for unicore32 support 2011-04-12 18:48:43 +00:00
x86_64 Revert "Get rid of _t suffix" 2009-10-01 16:12:16 -05:00
cpu-uname.c linux-user: adapt uname machine to emulated CPU 2010-02-06 17:19:43 +01:00
cpu-uname.h linux-user: adapt uname machine to emulated CPU 2010-02-06 17:19:43 +01:00
elfload.c unicore32: necessary modifications for other files to support unicore32 2011-04-12 18:49:05 +00:00
errno_defs.h Remove unnecessary trailing newlines 2008-12-13 09:32:43 +00:00
flat.h Support for 32 bit ABI on 64 bit targets (only enabled Sparc64) 2007-10-14 16:27:31 +00:00
flatload.c linux-user/FLAT: allow targets to override FLAT processing 2011-02-09 10:33:54 +02:00
ioctls.h linux-user: convert ioctl(SIOCGIFCONF, ...) result. 2011-04-26 10:15:40 +03:00
linux_loop.h Fix build failure with old kernel headers (loop.h is incompatible with 2008-05-23 16:06:43 +00:00
linuxload.c Remove dead code for ARM semihosting commandline handling 2011-01-07 18:20:57 +02:00
m68k-sim.c linux-user: Fix typo m86k -> m68k 2010-10-05 13:53:56 -05:00
main.c unicore32: necessary modifications for other files to support unicore32 2011-04-12 18:49:05 +00:00
mmap.c linux-user: fix compile failure if !CONFIG_USE_GUEST_BASE 2011-03-03 23:33:45 +01:00
qemu-types.h linux-user: Move abi_* typedefs into qemu-types.h 2008-12-08 18:12:04 +00:00
qemu.h unicore32: necessary modifications for other files to support unicore32 2011-04-12 18:49:05 +00:00
signal.c linux-user/arm: fix compilation failures using softfloat's struct types 2011-02-10 20:18:36 +01:00
socket.h Various linux-user structures and definitions fixes for PowerPC targets. 2007-12-10 08:24:59 +00:00
strace.c linux-user: improve traces 2011-04-26 10:15:40 +03:00
strace.list linux-user: improve traces 2011-04-26 10:15:40 +03:00
syscall_defs.h unicore32: necessary modifications for other files to support unicore32 2011-04-12 18:49:05 +00:00
syscall_types.h linux-user: Implement FS_IOC_FIEMAP ioctl 2011-01-07 17:20:58 +02:00
syscall.c linux-user: convert ioctl(SIOCGIFCONF, ...) result. 2011-04-26 10:15:40 +03:00
target_flat.h linux-user/FLAT: allow targets to override FLAT processing 2011-02-09 10:33:54 +02:00
uaccess.c Fix missing strnlen problems 2009-07-01 18:24:44 +00:00
vm86.c Update to a hopefully more future proof FSF address 2009-07-16 20:47:01 +00:00