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42 changes: 20 additions & 22 deletions command.c
Original file line number Diff line number Diff line change
@@ -1,15 +1,16 @@
#include <unistd.h>
#include "command.h"
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/wait.h>
#include "command.h"
#include <unistd.h>
#include "const.h"
#include "source.h"
#include "variable.h"

void executeCommand(char* input)
{
void executeCommand(char* input) {
char* args[MAX_ARGS + 1] = {NULL};
input[strlen(input) - 1] = '\0'; // terminate with null, rather than with \n

char* args[MAX_ARGS + 1] = { NULL };
input[strlen(input) - 1] = '\0'; //terminate with null, rather than with \n
Expand All @@ -23,26 +24,23 @@ void executeCommand(char* input)
if(args[0] == NULL) return;

// if command includes "=" set variable with the value after "=" as sting
if (strchr(args[0], '=') != NULL)
{
//printf("variable set, %s\n", args[0]);
addVariable(args[0]);
}
else if (strcmp(args[0], "exit") == 0) // exit shell
if (strchr(args[0], '=') != NULL) {
// printf("variable set, %s\n", args[0]);
addVariable(args[0]);
} else if (strcmp(args[0], "exit") == 0) // exit shell
{
exit(0);
}
else if (strcmp(args[0], "env") == 0) // display all variables
exit(0);
} else if (strcmp(args[0], "env") == 0) // display all variables
{
displayVariable();
}
else if (strcmp(args[0], "source") == 0) // source command
{
printf("source command\n");
sourceCommand(args);
}
else
displayVariable();
} else if (strcmp(args[0], "source") == 0) // source command
{
printf("source command\n");
sourceCommand(args);
} else {
if (fork() == 0) // if inside the child process
{
int comm_res = execvp(args[0], args);

if (fork() == 0) // if inside the child process
{
Expand Down