cdsa/cdsa_utilities/os9utils.h

   1 /*
   2  * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * The contents of this file constitute Original Code as defined in and are
   5  * subject to the Apple Public Source License Version 1.2 (the 'License').
   6  * You may not use this file except in compliance with the License. Please obtain
   7  * a copy of the License at http://www.apple.com/publicsource and read it before
   8  * using this file.
   9  *
  10  * This Original Code and all software distributed under the License are
  11  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
  12  * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
  13  * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  14  * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
  15  * specific language governing rights and limitations under the License.
  16  */
  17
  18
  19 //
  20 // os9utils - MacOS 9 specific utilities
  21 //
  22 #ifndef _H_OS9UTILS
  23 #define _H_OS9UTILS
  24
  25 #include <Security/utility_config.h>
  26 #if TARGET_API_MAC_OS8
  27
  28 #include <Security/utilities.h>
  29 #include <string>
  30
  31
  32 namespace Security
  33 {
  34
  35 namespace MacOS9Utilities
  36 {
  37
  38
  39 //
  40 // A temporary or in-place Str255 constructed from other string forms
  41 //
  42 class PString {
  43 public:
  44         PString(const char *s) { set(s, strlen(s)); }
  45         PString(string s) { set(s.data(), s.size()); }
  46         operator const unsigned char * () const { return mString; }
  47
  48 private:
  49         Str255 mString;
  50         void set(const char *str, int size)
  51         {
  52                 if (size > 255)
  53                         CssmError::throwMe(CSSM_ERRCODE_INTERNAL_ERROR);
  54                 mString[0] = size;
  55                 memcpy(mString+1, str, size);
  56         }
  57 };
  58
  59
  60 //
  61 // Make an STL string from a Pascal string
  62 //
  63 inline string p2cString(StringPtr s)
  64 {
  65         return string(reinterpret_cast<const char *>(s + 1), s[0]);
  66 }
  67
  68
  69 } // end namespace MacOS9Utilities
  70
  71 } // end namespace Security
  72
  73 #endif // OS 8/9
  74 #endif //_H_OS9UTILS