X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=platform%2Fexample_cygwin%2Ffunctions%2F_PDCLIB%2Fopen.c;h=4e7d2b979369b6d000d946907efe3f9bf862a53a;hp=79497266350fb49992c533adb00bd546fe2b8e5e;hb=ce0e5d8cd76b50f239fb8e95170502b146247b35;hpb=0c316ee3b4dc0712797877f5dc0f4a789646154d

diff --git a/platform/example_cygwin/functions/_PDCLIB/open.c b/platform/example_cygwin/functions/_PDCLIB/open.c
index 7949726..4e7d2b9 100644
--- a/platform/example_cygwin/functions/_PDCLIB/open.c
+++ b/platform/example_cygwin/functions/_PDCLIB/open.c
@@ -30,7 +30,7 @@ int _PDCLIB_open( char const * const filename, unsigned int mode )
        here.
     */
     int osmode;
-    switch ( mode & ~_PDCLIB_FBIN )
+    switch ( mode & ( _PDCLIB_FREAD | _PDCLIB_FWRITE | _PDCLIB_FAPPEND | _PDCLIB_FRW ) )
     {
         case _PDCLIB_FREAD: /* "r" */
             osmode = O_RDONLY;
@@ -66,6 +66,9 @@ int _PDCLIB_open( char const * const filename, unsigned int mode )
     {
         switch ( errno )
         {
+            /* See the comments on implementation-defined errno values in
+               <_PDCLIB_config.h>.
+            */
             case EACCES:
             case EFAULT:
             case EINTR:
@@ -82,9 +85,12 @@ int _PDCLIB_open( char const * const filename, unsigned int mode )
             case EOVERFLOW:
             case EROFS:
             case ETXTBSY:
-                _PDCLIB_errno = _PDCLIB_EIO;
+                _PDCLIB_errno = _PDCLIB_ERROR;
+                break;
             default:
-                _PDCLIB_errno = _PDCLIB_EUNKNOWN;
+                /* This should be something like EUNKNOWN. */
+                _PDCLIB_errno = _PDCLIB_ERROR;
+                break;
         }
     }
     return rc;
@@ -105,28 +111,28 @@ int main( void )
     */
     int fh;
     char buffer[ 10 ];
-    remove( "testfile" );
+    remove( testfile );
     /* Trying to read non-existent file. */
-    TESTCASE( _PDCLIB_open( "testfile", _PDCLIB_FREAD ) == _PDCLIB_NOHANDLE );
+    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( ( 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( ( 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( ( 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( ( 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 );
@@ -136,7 +142,7 @@ int main( void )
     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( ( 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 );
@@ -147,14 +153,14 @@ int main( void )
     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( ( 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 );
+    TESTCASE( remove( testfile ) == 0 );
     return TEST_RESULTS;
 }