os/ossrv/stdcpp/tsrc/Stdcpp_test/stdcxx/include/file.h
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
     1 /************************************************************************
     2  *
     3  * file.h - common file I/O definitions
     4  *
     5  * $Id: file.h 290020 2005-09-18 23:58:30Z sebor $
     6  *
     7  ***************************************************************************
     8  *
     9  * Copyright (c) 1994-2005 Quovadx,  Inc., acting through its  Rogue Wave
    10  * Software division. Licensed under the Apache License, Version 2.0 (the
    11  * "License");  you may  not use this file except  in compliance with the
    12  * License.    You    may   obtain   a   copy   of    the   License    at
    13  * http://www.apache.org/licenses/LICENSE-2.0.    Unless   required    by
    14  * applicable law  or agreed to  in writing,  software  distributed under
    15  * the License is distributed on an "AS IS" BASIS,  WITHOUT WARRANTIES OR
    16  * CONDITIONS OF  ANY KIND, either  express or implied.  See  the License
    17  * for the specific language governing permissions  and limitations under
    18  * the License.
    19  * 
    20  **************************************************************************/
    21 
    22 #ifndef RW_FILE_H_INCLUDED
    23 #define RW_FILE_H_INCLUDED
    24 
    25 
    26 #include <testdefs.h>   // for test config macros
    27 
    28 
    29 #ifndef _MSC_VER
    30    // POSIX special files:
    31    // http://www.opengroup.org/onlinepubs/007904975/basedefs/xbd_chap10.html
    32 #  define DEV_CONSOLE   "/dev/console"
    33 #  define DEV_NULL      "/dev/null"
    34 #  define DEV_TTY       "/dev/tty"
    35 #else   // if defined (_MSC_VER)
    36 #  define DEV_CONSOLE   "CON:"
    37 #  define DEV_NULL      "NUL:"
    38 #  define DEV_TTY       "CON:"
    39 #endif   // _MSC_VER
    40 
    41 
    42 #if _RWSTD_PATH_SEP == '/'
    43 #  define SLASH          "/"
    44 #  define SHELL_MV       "mv "
    45 #  define SHELL_RM_F     "rm -f "
    46 #  define SHELL_RM_RF    "rm -rf "
    47 #else
    48 #  define SLASH          "\\"
    49 #  define SHELL_MV       "move /Y "
    50 #  define SHELL_RM_F     "del /F "
    51 #  define SHELL_RM_RF    "rmdir /Q /S "
    52 #endif
    53 
    54 
    55 // writes chars using symbolic names from the Portable Character Set (PCS)
    56 // or using the <U00XX> notations for narrow characters outside that set
    57 // if teh second argument is 0, writes out the CHARMAP section of the locale
    58 // definition file for the Portable Character Set (in POSIX-compliant format) 
    59 _TEST_EXPORT void
    60 pcs_write (void*, const char*);
    61 
    62 
    63 // creates a unique temporary file name as if by calling tmpnam()
    64 // but avoiding various platform-specific quirks (such as HP-UX
    65 // failure when _REENTRANT is #defined or GNU glibc warnings)
    66 _TEST_EXPORT
    67 const char* rw_tmpnam (char*);
    68 
    69 // tries to open file named by the first argument and, if successful,
    70 // allocates a block of storage sufficiently large to hold the file's
    71 // entire contents, as determined by the stat() function; it then reads
    72 // the contents of the file into the block of storage, returning a pointer
    73 // to the block; if the second argument is non-0, sets the pointed-to value
    74 // to the number of bytes read
    75 // as a special case, when the first argument is 0 and the second is not,
    76 // the function takes the third argument as a pointer to the buffer that
    77 // it will use to read the contents of files into in subsequent calls,
    78 // provided the buffer is large enough
    79 _TEST_EXPORT void*
    80 rw_fread (const char*,
    81           _RWSTD_SIZE_T* = 0   /* size in bytes */,
    82           const char*    = "r" /* stdio open mode */);
    83 
    84 // if the second argument is non-0, writes N bytes starting at that
    85 // location into the file named by the first argument; N is taken
    86 // from the value pointed to by the third argument, if non-0, or
    87 // as the result of calling strlen() on the buffer pointed to by
    88 // the second argument; if the second argument is 0, the function
    89 // removes the named file; returns the number of bytes written
    90 _TEST_EXPORT _RWSTD_SIZE_T
    91 rw_fwrite (const char*,
    92            const void*,
    93            _RWSTD_SIZE_T = ~0  /* size in bytes */,
    94            const char*   = "w" /* stdio open mode */ );
    95 
    96 #endif   // RW_FILE_H_INCLUDED