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FX_DNE.C
资源名称：tb_i86_wr_1019_1102.　[点击查看]
上传用户：super_houu
上传日期：2008-09-21
资源大小：4099k
文件大小：8k
源码类别：

DVD

开发平台：

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FX_DNE.C：源码内容
  1. /**************************************************************************/ 
  2. /*                                                                        */ 
  3. /*            Copyright (c) 1996-2002 by Express Logic Inc.               */ 
  4. /*                                                                        */ 
  5. /*  This software is copyrighted by and is the sole property of Express   */ 
  6. /*  Logic, Inc.  All rights, title, ownership, or other interests         */ 
  7. /*  in the software remain the property of Express Logic, Inc.  This      */ 
  8. /*  software may only be used in accordance with the corresponding        */ 
  9. /*  license agreement.  Any unauthorized use, duplication, transmission,  */ 
  10. /*  distribution, or disclosure of this software is expressly forbidden.  */ 
  11. /*                                                                        */
  12. /*  This Copyright notice may not be removed or modified without prior    */ 
  13. /*  written consent of Express Logic, Inc.                                */ 
  14. /*                                                                        */ 
  15. /*  Express Logic, Inc. reserves the right to modify this software        */ 
  16. /*  without notice.                                                       */ 
  17. /*                                                                        */ 
  18. /*  Express Logic, Inc.                     info@expresslogic.com         */
  19. /*  11423 West Bernardo Court               http://www.expresslogic.com   */
  20. /*  San Diego, CA  92127                                                  */
  21. /*                                                                        */
  22. /**************************************************************************/
  25. /**************************************************************************/
  26. /**************************************************************************/
  27. /**                                                                       */ 
  28. /** FileX Component                                                       */ 
  29. /**                                                                       */
  30. /**   Directory (DIR)                                                     */
  31. /**                                                                       */
  32. /**************************************************************************/
  33. /**************************************************************************/
  35. #include "Config.h" // Global Configuration - do not remove!
  37. #ifdef ENABLE_FILEX
  39. #ifdef _DEBUG
  40. #undef IFTRACE
  41. #define IFTRACE if (gTraceFileSys)
  42. #include "DebugDbgMain.h"
  43. #endif //_DEBUG
  45. #define FX_SOURCE_CODE
  48. /* Include necessary system files.  */
  50. #include "PlaycoreFileSysFileXfx_api.h"
  51. #include "PlaycoreFileSysFileXfx_sys.h"
  52. #include "PlaycoreFileSysFileXfx_dir.h"
  53. #include "PlaycoreFileSysFileXfx_uti.h"
  56. /**************************************************************************/ 
  57. /*                                                                        */ 
  58. /*  FUNCTION                                               RELEASE        */ 
  59. /*                                                                        */ 
  60. /*    _fx_directory_name_extract                          PORTABLE C      */ 
  61. /*                                                           3.0          */ 
  62. /*  AUTHOR                                                                */ 
  63. /*                                                                        */ 
  64. /*    William E. Lamie, Express Logic, Inc.                               */ 
  65. /*                                                                        */ 
  66. /*  DESCRIPTION                                                           */ 
  67. /*                                                                        */ 
  68. /*    This function extracts the file name from the supplied input        */ 
  69. /*    string.  If there is nothing left after the extracted name, a NULL  */ 
  70. /*    is returned to the caller.  Otherwise, if something is left, a      */ 
  71. /*    pointer to it is returned.                                          */ 
  72. /*                                                                        */ 
  73. /*  INPUT                                                                 */ 
  74. /*                                                                        */ 
  75. /*    source_ptr                           Source string pointer          */ 
  76. /*    dest_ptr                             Destination string pointer     */ 
  77. /*                                                                        */ 
  78. /*  OUTPUT                                                                */ 
  79. /*                                                                        */ 
  80. /*    Pointer to Next Name                 (if multiple directories)      */ 
  81. /*                                                                        */ 
  82. /*  CALLS                                                                 */ 
  83. /*                                                                        */ 
  84. /*    None                                                                */ 
  85. /*                                                                        */ 
  86. /*  CALLED BY                                                             */ 
  87. /*                                                                        */ 
  88. /*    FileX System Functions                                              */ 
  89. /*                                                                        */ 
  90. /*  RELEASE HISTORY                                                       */ 
  91. /*                                                                        */ 
  92. /*    DATE              NAME                      DESCRIPTION             */ 
  93. /*                                                                        */ 
  94. /*  01-01-1999     William E. Lamie         Initial Version 1.0           */ 
  95. /*  03-01-2000     William E. Lamie         Modified comment(s), and      */ 
  96. /*                                            added casting to remove     */ 
  97. /*                                            compiler warning message,   */ 
  98. /*                                            resulting in version 1.0b.  */ 
  99. /*  01-28-2001     William E. Lamie         Modified comment(s),          */ 
  100. /*                                            resulting in version 2.0.   */ 
  101. /*  03-01-2002     William E. Lamie         Modified comment(s), and added*/ 
  102. /*                                            long file name support,     */ 
  103. /*                                            resulting in version 3.0.   */ 
  104. /*                                                                        */ 
  105. /**************************************************************************/ 
  106. CHAR  *_fx_directory_name_extract(CHAR_PTR source_ptr, CHAR_PTR dest_ptr)
  107. {
  109. int     i;
  111.     dest_ptr[0] = 0;
  112.     if (*source_ptr == '\')
  113.         source_ptr++;
  115.     i = 0;
  116.     while (*source_ptr)
  117.     {
  119.         if (*source_ptr == '\')
  120.             break;
  122.         /* Long name can be at most 255 characters.  */
  123.         if (i == FX_MAX_LONG_NAME_LEN - 1) break;  
  125. #if 0
  126.         /* Check for lower case letters.  */
  127.         if ((*source_ptr >= 'a') && (*source_ptr <= 'z'))
  128.         {
  129.              /* Store the character - converted to upper case.  */
  130.               dest_ptr[i] =  (CHAR) (((UINT) (*source_ptr++)) - ((UINT) 0x20));
  131.         }
  132.         else
  133. #endif
  134.         {
  135.              /* Store the character.  */
  136.              dest_ptr[i] =  *source_ptr++;
  137.         }
  139.         i++;
  140.     }
  142.     dest_ptr[i] = 0;
  143.     if (*source_ptr == 0)
  144.         source_ptr = FX_NULL;
  146.     /* Return the last pointer position in the source.  */
  147.     return(source_ptr);
  148. }
  150. #endif