void mpxcmd_ls( int argc, char *argv[] )
{
int retval;
char *dir;
int num_files;
char file_name[MAX_FILENAME_LEN+1];
long file_size;
if ( argc == 1 ){
dir = MPX_DEFAULT_EXE_DIR;
}
else if ( argc == 2 ){
dir = argv[1];
}
else {
printf("ERROR: Wrong number of arguments to 'ls'.\n");
printf(" Type 'help ls' for usage information.\n");
return;
}
retval = sys_open_dir( dir );
if ( retval != 0 ){
printf("ERROR: sys_open_dir() failed");
printf("trying to open directory '%s'.\n", dir);
return;
}
printf("\n");
printf(" Listing of files in directory '%s':\n", dir);
printf("\n");
printf("File Name: File Size (in bytes):\n");
printf("--------------- ------------------------------\n");
num_files = 0;
for(;;){
retval = sys_get_entry(file_name, MAX_FILENAME_LEN, &file_size);
if ( retval == 0 ) {
printf("%-15s %30ld\n", file_name, file_size);
num_files++;
}
else if ( retval == ERR_SUP_NOENTR ) {
break;
}
else {
printf("ERROR: sys_get_entry() failed");
printf("trying to read directory '%s'.\n", dir);
printf("Giving up on this directory.\n");
return;
}
}
printf("\n");
printf("Total files in directory: %d\n", num_files);
retval = sys_close_dir();
if ( retval != 0 ){
printf("ERROR: sys_close_dir() returned an error.\n");
}
}
/**
Procedure: handler_display_mpx
Purpose: Displays Directory of Available MPX Process Files
Parameters: None
Return value: None
Calls: sizeOfPointer, sys_open_dir, sys_close_dir, sys_get_entry
Globals: error
Errors: Invalid Directory, Directory Not Open, No More Directory Entries, Read Failed, Name To Long For Buffer, No Directory Is Open.
**/
void handler_display_mpx(){
char *Buffer= NULL;
char BufferArray[80] = {0};
char currentFile[40];
long j = 0;
int error, i = 0;
int nameSize = 40;
printf("\nWelcome to mpx");
printf("\nPlease enter the directory to be opened it cannot contain spaces\n");
Buffer = keyboardInput(0);
while(i<sizeOfPointer(Buffer)){
//printf("%c",Buffer[i]);
BufferArray[i] = Buffer[i];
i++;
}
if(sizeOfPointer(Buffer)==0){
//printf("success");
getcwd(BufferArray,80);
}
error = sys_open_dir(BufferArray);
errorCheck(error);
//printf("%s",BufferArray);
if(error ==0){
i = 0;
printConstant =0;
while(error == 0){
error = sys_get_entry(currentFile,nameSize,&j);
if(error == 0){
i++;
printf("\nFilename:%s \tBuffersize:%d\tFile Size:%ld",currentFile,nameSize,j);
printInterrupt();
}
//printf("\n%d",error);
}
if(error != -113){
errorCheck(error);
}
else{
error = sys_close_dir();
errorCheck(error);
//printf("\n%d",error);
if(i == 0){
if(Buffer[0] == 10){
printf("The current directory contains no mpx files\n");
}
else{
printf("No mpx files are in that directory\n");
}
}
}
}
printf("\n");
}
