X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=platform%2Fexample_cygwin%2Ffunctions%2F_PDCLIB%2Fopen.c;fp=platform%2Fexample_cygwin%2Ffunctions%2F_PDCLIB%2Fopen.c;h=0000000000000000000000000000000000000000;hb=a18343e497615802f47e0f6876b5bed73af674e0;hp=4e7d2b979369b6d000d946907efe3f9bf862a53a;hpb=b76c255d42904c10ce65f884429b4bf2f9b4f4a4;p=pdclib

diff --git a/platform/example_cygwin/functions/_PDCLIB/open.c b/platform/example_cygwin/functions/_PDCLIB/open.c
deleted file mode 100644
index 4e7d2b9..0000000
--- a/platform/example_cygwin/functions/_PDCLIB/open.c
+++ /dev/null
@@ -1,168 +0,0 @@
-/* $Id$ */
-
-/* _PDCLIB_open( char const * const, int )
-
-   This file is part of the Public Domain C Library (PDCLib).
-   Permission is granted to use, modify, and / or redistribute at will.
-*/
-
-/* This is an example implementation of _PDCLIB_open() fit for use with POSIX
-   kernels.
-*/
-
-#include <stdio.h>
-
-#ifndef REGTEST
-#include <_PDCLIB_glue.h>
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-
-#include "/usr/include/errno.h"
-
-int _PDCLIB_open( char const * const filename, unsigned int mode )
-{
-    /* This is an example implementation of _PDCLIB_open() fit for use with
-       POSIX kernels.
-       FIXME: The permissions of newly created files should not be hardcoded
-       here.
-    */
-    int osmode;
-    switch ( mode & ( _PDCLIB_FREAD | _PDCLIB_FWRITE | _PDCLIB_FAPPEND | _PDCLIB_FRW ) )
-    {
-        case _PDCLIB_FREAD: /* "r" */
-            osmode = O_RDONLY;
-            break;
-        case _PDCLIB_FWRITE: /* "w" */
-            osmode = O_WRONLY | O_CREAT | O_TRUNC;
-            break;
-        case _PDCLIB_FAPPEND: /* "a" */
-            osmode = O_WRONLY | O_APPEND | O_CREAT;
-            break;
-        case _PDCLIB_FREAD | _PDCLIB_FRW: /* "r+" */
-            osmode = O_RDWR;
-            break;
-        case _PDCLIB_FWRITE | _PDCLIB_FRW: /* "w+" */
-            osmode = O_RDWR | O_CREAT | O_TRUNC;
-            break;
-        case _PDCLIB_FAPPEND | _PDCLIB_FRW: /* "a+" */
-            osmode = O_RDWR | O_APPEND | O_CREAT;
-            break;
-        default: /* Invalid mode */
-            return -1;
-    }
-    int rc;
-    if ( osmode & O_CREAT )
-    {
-        rc = open( filename, osmode, S_IRUSR | S_IWUSR );
-    }
-    else
-    {
-        rc = open( filename, osmode );
-    }
-    if ( rc == -1 )
-    {
-        switch ( errno )
-        {
-            /* See the comments on implementation-defined errno values in
-               <_PDCLIB_config.h>.
-            */
-            case EACCES:
-            case EFAULT:
-            case EINTR:
-            case EISDIR:
-            case ELOOP:
-            case EMFILE:
-            case ENAMETOOLONG:
-            case ENFILE:
-            case ENODEV:
-            case ENOENT:
-            case ENOMEM:
-            case ENOSPC:
-            case ENOTDIR:
-            case EOVERFLOW:
-            case EROFS:
-            case ETXTBSY:
-                _PDCLIB_errno = _PDCLIB_ERROR;
-                break;
-            default:
-                /* This should be something like EUNKNOWN. */
-                _PDCLIB_errno = _PDCLIB_ERROR;
-                break;
-        }
-    }
-    return rc;
-}
-
-#endif
-
-#ifdef TEST
-#include <_PDCLIB_test.h>
-
-#include <stdlib.h>
-#include <string.h>
-
-int main( void )
-{
-    /* This testdriver assumes POSIX, i.e. _PDCLIB_fd_t being int and being
-       incremented by one on each successful open.
-    */
-    int fh;
-    char buffer[ 10 ];
-    remove( testfile );
-    /* Trying to read non-existent file. */
-    TESTCASE( _PDCLIB_open( testfile, _PDCLIB_FREAD ) == _PDCLIB_NOHANDLE );
-    /* Writing to file, trying to read from it. */
-    TESTCASE( ( fh = _PDCLIB_open( testfile, _PDCLIB_FWRITE ) ) != _PDCLIB_NOHANDLE );
-    TESTCASE( write( fh, "test", 4 ) == 4 );
-    TESTCASE( lseek( fh, 0, SEEK_SET ) == 0 );
-    TESTCASE( read( fh, buffer, 4 ) == -1 );
-    TESTCASE( _PDCLIB_close( fh ) == 0 );
-    /* Reading from file, trying to write to it. */
-    TESTCASE( ( fh = _PDCLIB_open( testfile, _PDCLIB_FREAD ) ) != _PDCLIB_NOHANDLE );
-    TESTCASE( write( fh, "test", 4 ) == -1 );
-    TESTCASE( _PDCLIB_close( fh ) == 0 );
-    /* Appending to file, trying to read from it. */
-    TESTCASE( ( fh = _PDCLIB_open( testfile, _PDCLIB_FAPPEND ) ) != _PDCLIB_NOHANDLE );
-    TESTCASE( write( fh, "app", 3 ) == 3 );
-    TESTCASE( lseek( fh, 0, SEEK_SET ) == 0 );
-    TESTCASE( read( fh, buffer, 10 ) == -1 );
-    TESTCASE( write( fh, "end", 3 ) == 3 );
-    TESTCASE( _PDCLIB_close( fh ) == 0 );
-    /* Reading and writing from file ("r+"). */
-    TESTCASE( ( fh = _PDCLIB_open( testfile, _PDCLIB_FREAD | _PDCLIB_FRW ) ) != _PDCLIB_NOHANDLE );
-    TESTCASE( read( fh, buffer, 10 ) == 10 );
-    TESTCASE( memcmp( buffer, "testappend", 10 ) == 0 );
-    TESTCASE( lseek( fh, 0, SEEK_SET ) == 0 );
-    TESTCASE( write( fh, "wedo", 4 ) == 4 );
-    TESTCASE( lseek( fh, 0, SEEK_SET ) == 0 );
-    TESTCASE( read( fh, buffer, 10 ) == 10 );
-    TESTCASE( memcmp( buffer, "wedoappend", 10 ) == 0 );
-    TESTCASE( _PDCLIB_close( fh ) == 0 );
-    /* Writing and reading from file ("w+"). */
-    TESTCASE( ( fh = _PDCLIB_open( testfile, _PDCLIB_FWRITE | _PDCLIB_FRW ) ) != _PDCLIB_NOHANDLE );
-    TESTCASE( write( fh, "test", 4 ) == 4 );
-    TESTCASE( lseek( fh, 1, SEEK_SET ) == 1 );
-    TESTCASE( read( fh, buffer, 2 ) == 2 );
-    TESTCASE( memcmp( buffer, "es", 2 ) == 0 );
-    TESTCASE( write( fh, "sie", 3 ) == 3 );
-    TESTCASE( lseek( fh, 0, SEEK_SET ) == 0 );
-    TESTCASE( read( fh, buffer, 6 ) == 6 );
-    TESTCASE( memcmp( buffer, "tessie", 6 ) == 0 );
-    TESTCASE( _PDCLIB_close( fh ) == 0 );
-    /* Appending and reading from file ("a+"). */
-    TESTCASE( ( fh = _PDCLIB_open( testfile, _PDCLIB_FAPPEND | _PDCLIB_FRW ) ) != _PDCLIB_NOHANDLE );
-    TESTCASE( write( fh, "baby", 4 ) == 4 );
-    TESTCASE( lseek( fh, 0, SEEK_SET ) == 0 );
-    TESTCASE( read( fh, buffer, 10 ) == 10 );
-    TESTCASE( memcmp( buffer, "tessiebaby", 10 ) == 0 );
-    TESTCASE( _PDCLIB_close( fh ) == 0 );
-    /* Cleaning up. */
-    TESTCASE( remove( testfile ) == 0 );
-    return TEST_RESULTS;
-}
-
-#endif
-