Casey Dahlin | 3dfdc95 | 2016-07-19 13:54:29 -0700 | [diff] [blame] | 1 | /* -*- Mode: C; tab-width: 4 -*- |
| 2 | * |
| 3 | * Copyright (c) 1997-2004 Apple Computer, Inc. All rights reserved. |
| 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | */ |
| 17 | |
| 18 | #include "PosixCompat.h" |
| 19 | #include <DebugServices.h> |
| 20 | |
| 21 | |
| 22 | typedef PCHAR (WINAPI * if_indextoname_funcptr_t)(ULONG index, PCHAR name); |
| 23 | typedef ULONG (WINAPI * if_nametoindex_funcptr_t)(PCSTR name); |
| 24 | |
| 25 | |
| 26 | unsigned |
| 27 | if_nametoindex( const char * ifname ) |
| 28 | { |
| 29 | HMODULE library; |
| 30 | unsigned index = 0; |
| 31 | |
| 32 | check( ifname ); |
| 33 | |
| 34 | // Try and load the IP helper library dll |
| 35 | if ((library = LoadLibrary(TEXT("Iphlpapi")) ) != NULL ) |
| 36 | { |
| 37 | if_nametoindex_funcptr_t if_nametoindex_funcptr; |
| 38 | |
| 39 | // On Vista and above there is a Posix like implementation of if_nametoindex |
| 40 | if ((if_nametoindex_funcptr = (if_nametoindex_funcptr_t) GetProcAddress(library, "if_nametoindex")) != NULL ) |
| 41 | { |
| 42 | index = if_nametoindex_funcptr(ifname); |
| 43 | } |
| 44 | |
| 45 | FreeLibrary(library); |
| 46 | } |
| 47 | |
| 48 | return index; |
| 49 | } |
| 50 | |
| 51 | |
| 52 | char* |
| 53 | if_indextoname( unsigned ifindex, char * ifname ) |
| 54 | { |
| 55 | HMODULE library; |
| 56 | char * name = NULL; |
| 57 | |
| 58 | check( ifname ); |
| 59 | *ifname = '\0'; |
| 60 | |
| 61 | // Try and load the IP helper library dll |
| 62 | if ((library = LoadLibrary(TEXT("Iphlpapi")) ) != NULL ) |
| 63 | { |
| 64 | if_indextoname_funcptr_t if_indextoname_funcptr; |
| 65 | |
| 66 | // On Vista and above there is a Posix like implementation of if_indextoname |
| 67 | if ((if_indextoname_funcptr = (if_indextoname_funcptr_t) GetProcAddress(library, "if_indextoname")) != NULL ) |
| 68 | { |
| 69 | name = if_indextoname_funcptr(ifindex, ifname); |
| 70 | } |
| 71 | |
| 72 | FreeLibrary(library); |
| 73 | } |
| 74 | |
| 75 | return name; |
| 76 | } |
| 77 | |
| 78 | |
| 79 | int |
| 80 | inet_pton( int family, const char * addr, void * dst ) |
| 81 | { |
| 82 | struct sockaddr_storage ss; |
| 83 | int sslen = sizeof( ss ); |
| 84 | |
| 85 | ZeroMemory( &ss, sizeof( ss ) ); |
| 86 | ss.ss_family = family; |
| 87 | |
| 88 | if ( WSAStringToAddressA( ( LPSTR ) addr, family, NULL, ( struct sockaddr* ) &ss, &sslen ) == 0 ) |
| 89 | { |
| 90 | if ( family == AF_INET ) { memcpy( dst, &( ( struct sockaddr_in* ) &ss)->sin_addr, sizeof( IN_ADDR ) ); return 1; } |
| 91 | else if ( family == AF_INET6 ) { memcpy( dst, &( ( struct sockaddr_in6* ) &ss)->sin6_addr, sizeof( IN6_ADDR ) ); return 1; } |
| 92 | else return 0; |
| 93 | } |
| 94 | else return 0; |
| 95 | } |
| 96 |
|
| 97 | |
| 98 | int |
| 99 | gettimeofday( struct timeval * tv, struct timezone * tz ) |
| 100 | {
|
| 101 | #define EPOCHFILETIME (116444736000000000i64)
|
| 102 |
|
| 103 | if ( tv != NULL )
|
| 104 | {
|
| 105 | FILETIME ft;
|
| 106 | LARGE_INTEGER li;
|
| 107 | __int64 t;
|
| 108 |
|
| 109 | GetSystemTimeAsFileTime(&ft);
|
| 110 | li.LowPart = ft.dwLowDateTime;
|
| 111 | li.HighPart = ft.dwHighDateTime;
|
| 112 | t = li.QuadPart; /* In 100-nanosecond intervals */
|
| 113 | t -= EPOCHFILETIME; /* Offset to the Epoch time */
|
| 114 | t /= 10; /* In microseconds */
|
| 115 | tv->tv_sec = ( long )( t / 1000000 );
|
| 116 | tv->tv_usec = ( long )( t % 1000000 );
|
| 117 | }
|
| 118 |
|
| 119 | return 0; |
| 120 | } |
| 121 | |
| 122 | |
| 123 | extern struct tm* |
| 124 | localtime_r( const time_t * clock, struct tm * result ) |
| 125 | { |
| 126 | localtime_s( result, clock ); |
| 127 | return result; |
| 128 | } |