double* extract_coulmn_double(char *str, int col_min, int col_max) {
/*
return pointer to array of size [(col_max-col_min)+1]
array contains floating point numbers range from from col_min to col_max of the given line/string.
For example;
---------------------------------------
double *out;
char *line = " 24 U-A 0.07 0.02 0.49 -2.48 -7.63 -0.38";
char *input=NULL;
input = strdup(line);
out = extract_coulmn_double(input, 3, 5);
printf("%15.3f%15.3f%15.3f\n",out[0], out[1], out[2]);
-----------------------------------------
OUTPUT $ 0.070 0.020 0.490
*/
double *data=NULL;
char *buffer=NULL, **str_data=NULL;
int size = (col_max-col_min)+1;
int i=0,n=0;
buffer = strdup(str);
remove_leading_white_space(buffer);
str_data = split_by_space(buffer, NULL);
data = (double *) malloc (sizeof(double)*size);
for(i=(col_min-1);i<col_max;i++){
data[n] = strtof(str_data[i],NULL);
n++;
}
free(buffer);
free(str_data);
return data;
}
double get_AtomWCAEnergy(char *line) {
double energy;
char **split_data=NULL;
int nwords, i;
remove_leading_white_space(line);
split_data = split_by_space(line, &nwords);
energy = strtod(split_data[5], NULL);
free(split_data);
return energy;
}
int* extract_coulmn_integer(char *str, int col_min, int col_max) {
/*
Similar to extract_coulmn_double but extract integer data.
*/
int *data=NULL;
char *buffer=NULL, **str_data=NULL;
int size = (col_max-col_min)+1;
int i=0,n=0;
buffer = strdup(str);
remove_leading_white_space(buffer);
str_data = split_by_space(buffer, NULL);
data = (int *) malloc (sizeof(int)*size);
for(i=(col_min-1);i<col_max;i++){
data[n] = atoi(str_data[i]);
n++;
}
return data;
}
void process_command(char* cmd){
char* CMD[10];
memset(CMD,0,10);
int i,pid,total,status;
total=0;
split_by_space(CMD,cmd,&total);
if (total==0) return;
if (strcmp(CMD[0],"clear")==0){
clear_screen();
} else if (strcmp(CMD[0],"run")==0){
if (total<2 || (pid=run(CMD[1]))==-1){
display_string("this program is not exists or already running!\n");
} else{
display_string("run successful ");
display_string("pid = "); display_int(pid);
display_string(" name = "); display_string(CMD[1]);
display_string("\n");
}
} else if (strcmp(CMD[0],"sleep")==0){
if (total<2 || sleep(CMD[1])==-1){
} else{
display_string("Process ");
display_string(CMD[1]);
display_string(" is sleeping now!\n");
}
} else if (strcmp(CMD[0],"kill")==0){
if (total<2 || !is_number(CMD[1])){
display_string("Usage: kill <pid>\n");
} else
if (kill(CMD[1])==-1){
display_string("No such process\n");
} else{
display_string("The process with pid=");
display_string(CMD[1]);
display_string(" was stopped\n");
}
} else if (strcmp(CMD[0],"killall")==0){
if (total<2){
display_string("Usage: killall <name>");
} else{
if (killall(CMD[1])==-1){
display_string("No such process\n");
} else{
display_string("the process with name=");
display_string(CMD[1]);
display_string(" was stopped\n");
}
}
} else if (strcmp(CMD[0],"setp")==0){
if (total<3 || !is_number(CMD[2])){
display_string("Usage: setp <name> <num>\n");
} else if (setp(CMD[1],atoi(CMD[2]))==-1){
display_string("i can't set the priority of ");
display_string(CMD[1]);
display_string("\n");
} else {
display_string("set priority successful\n");
}
} else if (strcmp(CMD[0],"ps")==0){
if (show_tasks(CMD[1])==-1){
display_string("I can't recognize the parameter\n");
}
} else if (strcmp(CMD[0],"ls")==0){
ls();
} else if (strcmp(CMD[0],"rm")==0){
if (total<2){
display_string("Usage: rm <filename>\n");
} else{
if (rm(CMD[1])==-1){
display_string(CMD[1]);
display_string(" no exist!\n");
}
}
} else if (strcmp(CMD[0],"help")==0){
show_help();
} else if (strcmp(CMD[0],"edit")==0){
if (total==1){
display_string("Usage: edit <filename>\n");
} else start_editor(CMD[1]);
} else if (strcmp(CMD[0],"dump")==0){
if (dump_mem(CMD[1],CMD[2])==-1){
display_string("I can't recognize the parameter\n");
}
} else{
display_string(cmd); display_string(": ");
display_string("no such command\n");
}
}
