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/*++
Copyright (c) 1989 Microsoft Corporation
Module Name:
os2file.c
Abstract:
This is a test OS/2 application to test the file system component of OS/2
Author:
Therese Stowell (thereses) 24-Oct-1989
Environment:
User Mode Only
Revision History:
--*/
#define OS2_API32
#define INCL_OS2V20_ERRORS
#define INCL_OS2V20_FILESYS
#define INCL_OS2V20_TASKING
#include <os2.h>
#define NEWMAXFH 25
#define SECONDNEWMAXFH 27
// create file
// query handle type
// set file size
// set file pointer
// write
// read
// open 21 handles
// test sharing, open directory, open for write code
// setmaxfh to 23
// open 3 more handles
// set verify
// query verify
// set fhstate
// query fhstate
// dup handle
// close 1 handle
// open 1 handle
int
main(
int argc,
char *argv[],
char *envp[]
)
{
int i;
APIRET rc;
HFILE FileHandle;
HFILE HandleArray[NEWMAXFH];
ULONG ActionTaken;
ULONG DiskNumber,
LogicalDrives;
char DirectoryName[30];
ULONG DirectoryNameLength=30;
DbgPrint( "*** Entering OS/2 File System Test Application\n" );
DbgPrint( "argc: %ld\n", argc );
for (i=0; i<argc; i++) {
DbgPrint( "argv[ %ld ]: %s\n", i, argv[ i ] );
}
// create new file
rc = DosOpen("a:\\newfile3",
&FileHandle,
&ActionTaken,
0L,
FILE_SYSTEM, // system attribute
FILE_CREATE_NEW_FILE,
OPEN_ACCESS_READWRITE | OPEN_SHARE_DENYNONE,
0L
);
if (rc) {
DbgPrint( "*** DosOpen returned an error code = %ld\n", rc );
}
else {
DbgPrint( "*** DosOpen(a:\\newfile3) was successful\n");
DbgPrint( "*** file handle is %ld\n",FileHandle);
DbgPrint( "*** action taken is %ld\n",ActionTaken);
rc = DosClose(FileHandle);
if (rc) {
DbgPrint( "*** DosClose returned an error code = %ld\n", rc );
}
}
// open existing file
rc = DosOpen("a:\\newfile3",
&FileHandle,
&ActionTaken,
0L,
FILE_SYSTEM, // system attribute
FILE_OPEN_EXISTING_FILE,
OPEN_ACCESS_READWRITE | OPEN_SHARE_DENYNONE,
0L
);
if (rc) {
DbgPrint( "*** DosOpen returned an error code = %ld\n", rc );
}
else {
DbgPrint( "*** DosOpen(a:\\newfile3) was successful\n");
DbgPrint( "*** file handle is %ld\n",FileHandle);
DbgPrint( "*** action taken is %ld\n",ActionTaken);
}
// close handle past end of table
rc = DosClose((HFILE)21);
if (rc) {
DbgPrint( "*** DosClose returned an error code = %ld\n", rc );
}
// close unopen handle
rc = DosClose((HFILE)1);
if (rc) {
DbgPrint( "*** DosClose returned an error code = %ld\n", rc );
}
// set new max file handles
// pass bad value
rc = DosSetMaxFH(10L);
if (!rc) {
DbgPrint( "*** DosSetMaxFH should have failed and did not\n");
}
rc = DosSetMaxFH(NEWMAXFH);
if (rc) {
DbgPrint( "*** DosSetMaxFH returned an error code = %ld\n", rc );
}
for (i=0; i<NEWMAXFH-1; i++) {
rc = DosOpen("a:\\newfile3",
&(HandleArray[i]),
&ActionTaken,
0L,
FILE_SYSTEM, // system attribute
FILE_OPEN_EXISTING_FILE,
OPEN_ACCESS_READWRITE | OPEN_SHARE_DENYNONE,
0L
);
if (rc) {
DbgPrint( "*** DosOpen returned an error code = %ld\n", rc );
}
else {
DbgPrint( "*** DosOpen returned handle %ld\n",HandleArray[i]);
}
}
// shouldn't be any handles left
rc = DosOpen("a:\\newfile3",
&(HandleArray[i]),
&ActionTaken,
0L,
FILE_SYSTEM, // system attribute
FILE_OPEN_EXISTING_FILE,
OPEN_ACCESS_READWRITE | OPEN_SHARE_DENYNONE,
0L
);
if (rc==ERROR_TOO_MANY_OPEN_FILES) {
DbgPrint( "*** DosOpen returned correct error code\n");
}
else {
DbgPrint( "*** DosOpen returned wrong error code = %ld\n", rc );
DbgPrint( "*** it should have returned ERROR_TOO_MANY_OPEN_FILES\n");
}
// close handle that should have been copied from original handle table
rc = DosClose(FileHandle);
if (rc) {
DbgPrint( "*** DosClose returned an error code = %ld\n", rc );
}
// close last handle in table
rc = DosClose(HandleArray[NEWMAXFH-2]);
if (rc) {
DbgPrint( "*** DosClose returned an error code = %ld\n", rc );
}
// set max fh again (2 more)
rc = DosSetMaxFH(SECONDNEWMAXFH);
if (rc) {
DbgPrint( "*** DosSetMaxFH returned an error code = %ld\n", rc );
}
// make sure this handle got copied
rc = DosClose(HandleArray[0]);
if (rc) {
DbgPrint( "*** DosClose returned an error code = %ld\n", rc );
}
DbgPrint( "*** Exiting OS/2 Test Application\n" );
return( 0 );
}
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