dlls/dnsapi/dnsapi.h

   1 /*
   2  * DNS support
   3  *
   4  * Copyright 2006 Hans Leidekker
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #ifndef __WINE_CONFIG_H
  22 # error You must include config.h to use this header
  23 #endif
  24
  25 #include "wine/heap.h"
  26
  27 static inline LPSTR dns_strdup_a( LPCSTR src )
  28 {
  29     LPSTR dst;
  30
  31     if (!src) return NULL;
  32     dst = heap_alloc( (lstrlenA( src ) + 1) * sizeof(char) );
  33     if (dst) lstrcpyA( dst, src );
  34     return dst;
  35 }
  36
  37 static inline char *dns_strdup_u( const char *src )
  38 {
  39     char *dst;
  40
  41     if (!src) return NULL;
  42     dst = heap_alloc( (strlen( src ) + 1) * sizeof(char) );
  43     if (dst) strcpy( dst, src );
  44     return dst;
  45 }
  46
  47 static inline LPWSTR dns_strdup_w( LPCWSTR src )
  48 {
  49     LPWSTR dst;
  50
  51     if (!src) return NULL;
  52     dst = heap_alloc( (lstrlenW( src ) + 1) * sizeof(WCHAR) );
  53     if (dst) lstrcpyW( dst, src );
  54     return dst;
  55 }
  56
  57 static inline LPWSTR dns_strdup_aw( LPCSTR str )
  58 {
  59     LPWSTR ret = NULL;
  60     if (str)
  61     {
  62         DWORD len = MultiByteToWideChar( CP_ACP, 0, str, -1, NULL, 0 );
  63         if ((ret = heap_alloc( len * sizeof(WCHAR) )))
  64             MultiByteToWideChar( CP_ACP, 0, str, -1, ret, len );
  65     }
  66     return ret;
  67 }
  68
  69 static inline LPWSTR dns_strdup_uw( const char *str )
  70 {
  71     LPWSTR ret = NULL;
  72     if (str)
  73     {
  74         DWORD len = MultiByteToWideChar( CP_UTF8, 0, str, -1, NULL, 0 );
  75         if ((ret = heap_alloc( len * sizeof(WCHAR) )))
  76             MultiByteToWideChar( CP_UTF8, 0, str, -1, ret, len );
  77     }
  78     return ret;
  79 }
  80
  81 static inline LPSTR dns_strdup_wa( LPCWSTR str )
  82 {
  83     LPSTR ret = NULL;
  84     if (str)
  85     {
  86         DWORD len = WideCharToMultiByte( CP_ACP, 0, str, -1, NULL, 0, NULL, NULL );
  87         if ((ret = heap_alloc( len )))
  88             WideCharToMultiByte( CP_ACP, 0, str, -1, ret, len, NULL, NULL );
  89     }
  90     return ret;
  91 }
  92
  93 static inline char *dns_strdup_wu( LPCWSTR str )
  94 {
  95     LPSTR ret = NULL;
  96     if (str)
  97     {
  98         DWORD len = WideCharToMultiByte( CP_UTF8, 0, str, -1, NULL, 0, NULL, NULL );
  99         if ((ret = heap_alloc( len )))
 100             WideCharToMultiByte( CP_UTF8, 0, str, -1, ret, len, NULL, NULL );
 101     }
 102     return ret;
 103 }
 104
 105 static inline char *dns_strdup_au( LPCSTR src )
 106 {
 107     char *dst = NULL;
 108     LPWSTR ret = dns_strdup_aw( src );
 109
 110     if (ret)
 111     {
 112         dst = dns_strdup_wu( ret );
 113         heap_free( ret );
 114     }
 115     return dst;
 116 }
 117
 118 static inline LPSTR dns_strdup_ua( const char *src )
 119 {
 120     LPSTR dst = NULL;
 121     LPWSTR ret = dns_strdup_uw( src );
 122
 123     if (ret)
 124     {
 125         dst = dns_strdup_wa( ret );
 126         heap_free( ret );
 127     }
 128     return dst;
 129 }
 130
 131 const char *dns_type_to_str( unsigned short ) DECLSPEC_HIDDEN;
 132
 133 #ifdef HAVE_RESOLV
 134 int dns_ns_initparse( const u_char *, int, ns_msg * ) DECLSPEC_HIDDEN;
 135 int dns_ns_parserr( ns_msg *, ns_sect, int, ns_rr * ) DECLSPEC_HIDDEN;
 136 int dns_ns_name_skip( const u_char **, const u_char * ) DECLSPEC_HIDDEN;
 137 int dns_ns_name_uncompress( const u_char *, const u_char *, const u_char *, char *, size_t ) DECLSPEC_HIDDEN;
 138 #endif