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C/C++ Source or Header  |  1993-07-02  |  2KB  |  79 lines
  1. //----------------------------------------------------------------------------
  2. //                            MODULE DESCRIPTION
  3. //
  4. //  Module:    z4pfndx.c
  5. //   Title:    ZIP+4 Engine
  6. //  Notice:    John M. Weeder
  7. //                 Copyright (c) 1993. All rights reserved.
  8. //             This module contains proprietary information and should be 
  9. //                treated as confidential.
  10. //
  11. //----------------------------------------------------------------------------
  12. //                           MAINTENANCE HISTORY
  13. //
  14. // $Workfile$
  15. // $Revision$
  16. //   $Author$
  17. //     $Date$
  18. //      $Log$    
  19. //
  20. //----------------------------------------------------------------------------
  21. //                             MODULE NARRATIVE
  22. //
  23. //
  24. //    This module contains code to index the POF file.
  25. //
  26. //    The code in this module should be written entirely in C. 
  27. //    Do not use any C++ constructs.
  28. //
  29. //    This module is portable to:
  30. //        DOS 3.X+
  31. //        MS Windows 3.X+
  32. //        OS/2 2.X+
  33. //        OS/2 2.0 PM
  34. //        SCO UNIX.
  35. //
  36. //    The following compilers are supported:
  37. //        MSC 6.0A
  38. //        MSC/C++ 7.0
  39. //        Borland C++ 3.1 for DOS
  40. //        Borland C++ 1.0 for OS/2 2.X
  41. //        SCO UNIX cc
  42. //
  43. //----------------------------------------------------------------------------
  44. #include <z4.h>
  45.  
  46.  
  47. //----------------------------------------------------------------------------
  48. //   Description:    Indexing function for POF file.
  49. //    Parameters:    pdi_index    Indexing data
  50. //       Returns:    TRUE if successful.    
  51. //----------------------------------------------------------------------------
  52. BOOL FN_E Z4PFIndex(PDI_INDEX pdi_index)
  53. {
  54. static Z4_PF_BLK pf_blk;
  55. static Z4_PF pf;
  56.  
  57.     switch (pdi_index->lBlock)
  58.         {
  59.         case ISAM_START:
  60.             Assert(MAX_FINANCE_BCD == MAX_PF_KEY);
  61.             return Z4PFExpandInitialize(&pf_blk);
  62.  
  63.         case ISAM_END:
  64.             return Z4PFExpandTerminate(&pf_blk);
  65.         }
  66.                                                     // Reset and expand first record
  67.     Z4PFExpandReset(&pf_blk, pdi_index->pbBlock, pdi_index->cbBlock);        
  68.     if (!Z4PFExpand(&pf_blk, &pf))
  69.         return FALSE;
  70.                                                     // Create key
  71.     Z4PFKey(pdi_index->pbKey, pf.szFinance);
  72.     pdi_index->cbKey = MAX_PF_KEY;
  73.     return TRUE;
  74. }
  75. //----------------------------------------------------------------------------
  76. //------------------------------- End of File --------------------------------
  77. //----------------------------------------------------------------------------
  78.  
  79.