dnsapi: Use the strdup and wcsdup functions instead of reimplementing them.

dlls/dnsapi/dnsapi.h

@@ -25,33 +25,6 @@
 #include "winternl.h"
 #include "wine/unixlib.h"
 
-static inline char *strdup_a( const char *src )
-{
-    char *dst;
-    if (!src) return NULL;
-    dst = malloc( (lstrlenA( src ) + 1) * sizeof(char) );
-    if (dst) lstrcpyA( dst, src );
-    return dst;
-}
-
-static inline char *strdup_u( const char *src )
-{
-    char *dst;
-    if (!src) return NULL;
-    dst = malloc( (strlen( src ) + 1) * sizeof(char) );
-    if (dst) strcpy( dst, src );
-    return dst;
-}
-
-static inline WCHAR *strdup_w( const WCHAR *src )
-{
-    WCHAR *dst;
-    if (!src) return NULL;
-    dst = malloc( (lstrlenW( src ) + 1) * sizeof(WCHAR) );
-    if (dst) lstrcpyW( dst, src );
-    return dst;
-}
-
 static inline WCHAR *strdup_aw( const char *str )
 {
     WCHAR *ret = NULL;

dlls/dnsapi/query.c

@@ -73,7 +73,7 @@ static DNS_STATUS do_query_netbios( PCSTR name, DNS_RECORDA **recp )
         }
         else
         {
-            record->pName = strdup_u( name );
+            record->pName = strdup( name );
             if (!record->pName)
             {
                 status = ERROR_NOT_ENOUGH_MEMORY;

dlls/dnsapi/record.c

@@ -455,7 +455,7 @@ static LPVOID strdupX( LPCVOID src, DNS_CHARSET in, DNS_CHARSET out )
     {
         switch (out)
         {
-        case DnsCharSetUnicode: return strdup_w( src );
+        case DnsCharSetUnicode: return wcsdup( src );
         case DnsCharSetUtf8:    return strdup_wu( src );
         case DnsCharSetAnsi:    return strdup_wa( src );
         default:
@@ -468,7 +468,7 @@ static LPVOID strdupX( LPCVOID src, DNS_CHARSET in, DNS_CHARSET out )
         switch (out)
         {
         case DnsCharSetUnicode: return strdup_uw( src );
-        case DnsCharSetUtf8:    return strdup_u( src );
+        case DnsCharSetUtf8:    return strdup( src );
         case DnsCharSetAnsi:    return strdup_ua( src );
         default:
             WARN( "unhandled target charset: %d\n", out );
@@ -480,7 +480,7 @@ static LPVOID strdupX( LPCVOID src, DNS_CHARSET in, DNS_CHARSET out )
         {
         case DnsCharSetUnicode: return strdup_aw( src );
         case DnsCharSetUtf8:    return strdup_au( src );
-        case DnsCharSetAnsi:    return strdup_a( src );
+        case DnsCharSetAnsi:    return strdup( src );
         default:
             WARN( "unhandled target charset: %d\n", out );
             break;