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src/arch/x86/interface/syslinux/comboot_resolv.c
61 строка
2 KB
Michael Brown
[comboot] Support COMBOOT in 64-bit builds
15 апр 2016, 17:31
15 апр 2016, 17:31
5e5450c
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#include <errno.h> #include <comboot.h> #include <ipxe/in.h> #include <ipxe/list.h> #include <ipxe/process.h> #include <ipxe/resolv.h> FILE_LICENCE ( GPL2_OR_LATER ); struct comboot_resolver { struct interface intf; int rc; struct in_addr addr; }; static void comboot_resolv_close ( struct comboot_resolver *comboot_resolver, int rc ) { comboot_resolver->rc = rc; intf_shutdown ( &comboot_resolver->intf, rc ); } static void comboot_resolv_done ( struct comboot_resolver *comboot_resolver, struct sockaddr *sa ) { struct sockaddr_in *sin; if ( sa->sa_family == AF_INET ) { sin = ( ( struct sockaddr_in * ) sa ); comboot_resolver->addr = sin->sin_addr; } } static struct interface_operation comboot_resolv_op[] = { INTF_OP ( intf_close, struct comboot_resolver *, comboot_resolv_close ), INTF_OP ( resolv_done, struct comboot_resolver *, comboot_resolv_done ), }; static struct interface_descriptor comboot_resolv_desc = INTF_DESC ( struct comboot_resolver, intf, comboot_resolv_op ); static struct comboot_resolver comboot_resolver = { .intf = INTF_INIT ( comboot_resolv_desc ), }; int comboot_resolv ( const char *name, struct in_addr *address ) { int rc; comboot_resolver.rc = -EINPROGRESS; comboot_resolver.addr.s_addr = 0; if ( ( rc = resolv ( &comboot_resolver.intf, name, NULL ) ) != 0 ) return rc; while ( comboot_resolver.rc == -EINPROGRESS ) step(); if ( ! comboot_resolver.addr.s_addr ) return -EAFNOSUPPORT; *address = comboot_resolver.addr; return comboot_resolver.rc; }