IBM Version 4 manual 176System API Programming V4R1

#define TEST_DATA		"Hello World!"
#define USER_ID		"user_id_"
char	InitialFile[BUFFER_SIZE];
char	InitialDirectory[BUFFER_SIZE] = ".";
char	Buffer[32];
int	FilDes = -1;
int	BytesRead;
int	BytesWritten;

uid_t UserID;

void CleanUpOnError(int level)

{

printf("Error encountered, cleaning up.\n"); switch ( level )

{

case 1:

printf("Could not get current working directory.\n"); break;

case 2:

printf("Could not create file %s.\n",TEST_FILE); break;

case 3:

printf("Could not write to file %s.\n",TEST_FILE); close(FilDes);

unlink(TEST_FILE); break;

case 4:

printf("Could not close file %s.\n",TEST_FILE); close(FilDes);

unlink(TEST_FILE); break;

case 5:

printf("Could not open file %s.\n",TEST_FILE); unlink(TEST_FILE);

break;

case 6:

printf("Could not read file %s.\n",TEST_FILE); close(FilDes);

unlink(TEST_FILE); break;

case 7:

printf("Could not close file %s.\n",TEST_FILE); close(FilDes);

unlink(TEST_FILE); break;

case 8:

printf("Could not unlink file %s.\n",TEST_FILE); unlink(TEST_FILE);

break;

default:

break;

}

printf("Program ended with Error.\n"\

"All test files and directories may not have been removed￿.\n");

}

B-176System API Programming V4R1