libs/basekit/source/PortableTruncate.c

   1
   2 #include "PortableTruncate.h"
   3
   4
   5 int PortableTruncate_justHereToAvoidRanlibWarning(void) { return 0; }
   6
   7 #ifdef _WIN32
   8
   9 #include <stdio.h>
  10 #include <stdlib.h>
  11 #include <string.h>
  12 #include <windows.h>
  13
  14 // Win32 truncate by Mike Austin
  15
  16 int truncate(const char *path, long length)
  17 {
  18     HANDLE file = CreateFile(path, GENERIC_WRITE, 0, NULL, OPEN_EXISTING,
  19                                 FILE_SHARE_WRITE | FILE_SHARE_READ, NULL);
  20
  21     if (file == INVALID_HANDLE_VALUE)
  22     {
  23                 return -1;
  24     }
  25
  26     if (SetFilePointer(file, length, NULL, FILE_BEGIN) == 0xFFFFFFFF || !SetEndOfFile(file))
  27     {
  28                 CloseHandle(file);
  29                 return -1;
  30     }
  31
  32     CloseHandle(file);
  33     return 0;
  34 }
  35
  36 #endif
  37
  38 #if defined(__SYMBIAN32__)
  39 int truncate(const char* path, long length)
  40 {
  41   // TODO: Implement for Symbian
  42         return -1;
  43 }
  44 #endif