reactos/lib/msvcrt/io/access.c

   1 #include <windows.h>
   2 #include <msvcrt/io.h>
   3 #include <msvcrt/errno.h>
   4 #define NDEBUG
   5 #include <msvcrt/msvcrtdbg.h>
   6
   7 #ifndef F_OK
   8  #define F_OK   0x01
   9 #endif
  10 #ifndef R_OK
  11  #define R_OK   0x02
  12 #endif
  13 #ifndef W_OK
  14  #define W_OK   0x04
  15 #endif
  16 #ifndef X_OK
  17  #define X_OK   0x08
  18 #endif
  19 #ifndef D_OK
  20  #define D_OK   0x10
  21 #endif
  22
  23 int _access( const char *_path, int _amode )
  24 {
  25         DWORD Attributes = GetFileAttributesA(_path);
  26         DPRINT("_access('%s', %x)\n", _path, _amode);
  27
  28         if ( Attributes == -1 ) {
  29                 __set_errno(ENOENT);
  30                 return -1;
  31         }
  32
  33         if ( (_amode & W_OK) == W_OK ) {
  34                 if ( (Attributes & FILE_ATTRIBUTE_READONLY) == FILE_ATTRIBUTE_READONLY ) {
  35                         __set_errno(EACCES);
  36                         return -1;
  37                 }
  38         }
  39         if ( (_amode & D_OK) == D_OK ) {
  40                 if ( (Attributes & FILE_ATTRIBUTE_DIRECTORY) != FILE_ATTRIBUTE_DIRECTORY ) {
  41                         __set_errno(EACCES);
  42                         return -1;
  43                 }
  44         }
  45
  46         return 0;
  47 }
  48
  49 int _waccess( const wchar_t *_path, int _amode )
  50 {
  51         DWORD Attributes = GetFileAttributesW(_path);
  52
  53         if ( Attributes == -1 ) {
  54                 __set_errno(ENOENT);
  55                 return -1;
  56         }
  57
  58         if ( (_amode & W_OK) == W_OK ) {
  59                 if ( (Attributes & FILE_ATTRIBUTE_READONLY) == FILE_ATTRIBUTE_READONLY ) {
  60                         __set_errno(EACCES);
  61                         return -1;
  62                 }
  63         }
  64         if ( (_amode & D_OK) == D_OK ) {
  65                 if ( (Attributes & FILE_ATTRIBUTE_DIRECTORY) != FILE_ATTRIBUTE_DIRECTORY ) {
  66                         __set_errno(EACCES);
  67                         return -1;
  68                 }
  69         }
  70
  71         return 0;
  72 }