push b5232b2081a0e20e4bf07d6ded424d0101e4a589
[wine/hacks.git] / dlls / dnsapi / dnsapi.h
blob2060a475b35f3ab0aacd6f875e5b090df5067f3a
1 /*
2 * DNS support
4 * Copyright 2006 Hans Leidekker
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.
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.
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
22 static inline void *dns_alloc( SIZE_T size )
24 return HeapAlloc( GetProcessHeap(), 0, size );
27 static inline void *dns_zero_alloc( SIZE_T size )
29 return HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, size );
32 static inline void dns_free( LPVOID mem )
34 HeapFree( GetProcessHeap(), 0, mem );
37 static inline LPSTR dns_strdup_a( LPCSTR src )
39 LPSTR dst;
41 if (!src) return NULL;
42 dst = dns_alloc( (lstrlenA( src ) + 1) * sizeof(char) );
43 if (dst) lstrcpyA( dst, src );
44 return dst;
47 static inline char *dns_strdup_u( const char *src )
49 char *dst;
51 if (!src) return NULL;
52 dst = dns_alloc( (strlen( src ) + 1) * sizeof(char) );
53 if (dst) strcpy( dst, src );
54 return dst;
57 static inline LPWSTR dns_strdup_w( LPCWSTR src )
59 LPWSTR dst;
61 if (!src) return NULL;
62 dst = dns_alloc( (lstrlenW( src ) + 1) * sizeof(WCHAR) );
63 if (dst) lstrcpyW( dst, src );
64 return dst;
67 static inline LPWSTR dns_strdup_aw( LPCSTR str )
69 LPWSTR ret = NULL;
70 if (str)
72 DWORD len = MultiByteToWideChar( CP_ACP, 0, str, -1, NULL, 0 );
73 if ((ret = dns_alloc( len * sizeof(WCHAR) )))
74 MultiByteToWideChar( CP_ACP, 0, str, -1, ret, len );
76 return ret;
79 static inline LPWSTR dns_strdup_uw( const char *str )
81 LPWSTR ret = NULL;
82 if (str)
84 DWORD len = MultiByteToWideChar( CP_UTF8, 0, str, -1, NULL, 0 );
85 if ((ret = dns_alloc( len * sizeof(WCHAR) )))
86 MultiByteToWideChar( CP_UTF8, 0, str, -1, ret, len );
88 return ret;
91 static inline LPSTR dns_strdup_wa( LPCWSTR str )
93 LPSTR ret = NULL;
94 if (str)
96 DWORD len = WideCharToMultiByte( CP_ACP, 0, str, -1, NULL, 0, NULL, NULL );
97 if ((ret = dns_alloc( len )))
98 WideCharToMultiByte( CP_ACP, 0, str, -1, ret, len, NULL, NULL );
100 return ret;
103 static inline char *dns_strdup_wu( LPCWSTR str )
105 LPSTR ret = NULL;
106 if (str)
108 DWORD len = WideCharToMultiByte( CP_UTF8, 0, str, -1, NULL, 0, NULL, NULL );
109 if ((ret = dns_alloc( len )))
110 WideCharToMultiByte( CP_UTF8, 0, str, -1, ret, len, NULL, NULL );
112 return ret;
115 static inline char *dns_strdup_au( LPCSTR src )
117 char *dst = NULL;
118 LPWSTR ret = dns_strdup_aw( src );
120 if (ret)
122 dst = dns_strdup_wu( ret );
123 dns_free( ret );
125 return dst;
128 static inline LPSTR dns_strdup_ua( const char *src )
130 LPSTR dst = NULL;
131 LPWSTR ret = dns_strdup_uw( src );
133 if (ret)
135 dst = dns_strdup_wa( ret );
136 dns_free( ret );
138 return dst;
141 const char *dns_type_to_str( unsigned short );
143 int dns_ns_initparse( const u_char *, int, ns_msg * );
144 int dns_ns_parserr( ns_msg *, ns_sect, int, ns_rr * );
145 int dns_ns_name_skip( const u_char **, const u_char * );
146 int dns_ns_name_uncompress( const u_char *, const u_char *, const u_char *, char *, size_t );