Fixed merge error

src/Pish.c

@@ -6,117 +6,75 @@
 #include "Integrated.h"
 #include "Pish.h"
 
-//checks if there is a special symbol for redirection
-int redirectCheck(char* command)
-{
-    int check;
-    if(strchr(command, '|') != NULL){
-        check = 1;
-    }
-    else if (strpbrk(command, ">>") != NULL){
-        check = 2;
-    }
-    else if (strchr(command, '>') != NULL){
-        check = 3;
-    }
-    else if (strchr(command, '<') != NULL){
-        check = 4;
-    }
-    else{
-        check = 0; 
-}
-//i/o Redirection (void my need to be changed)
-void ioRedirect(int sym, char* command)
-{
-  // |1, >>2, >3, <4
-  if(sym == 1)
-  {
-    // |
-  }
-  else if(sym == 2)
-  {
-    // >> Append
-    // does not replace file contents just adds
-  }
-  else if(sym == 3)
-  {
-    // > Redirecting output
-    // create a file if doesnt exist
-    // replaces files contents
-  }
-  else
-  {
-    // < ??
-  }
-}
-         
-// Prints a prompt and then reads a command from the terminal
-char* getInput(void)
-{
-    char prompt = '$';
-    char *commandLine;
-
-    printf("%c ", prompt);
-    scanf("%[^\n]", commandLine);
-
-    return commandLine;
-}
-
-// Executes a command to the system
-void exec(char* command)
-{
-    system(command);
-}
-
 // Main function for Pish program
 void Pish(void)
 {
-    char* command;
-    int retval;
-    int redirect;
-    
+    CommandStruct commandObject = {"", 0};
+    CommandStruct* command = &commandObject;
+    char inputString[1000]; // Max 1000 characters
+    int forkPID;
     while (1)
     {
-        command = getInput();
-	//Parse command
-	// Need to check for |,<,>,>>
-	//redirect = redirectCheck(command);
-	if (redirect > 0)
-        {
-          //ioRedirect(redirect, command);
-	}
-	else
-	{
-	  char* token = strtok(command, " ");
-	  while(token != NULL)
-          {
-	    //This only holds 1 command at a time then it overrides
-	    //Will need modified
-	    token = strtok(NULL, " ");
-	  }
-	{
-	  
-	IntegratedCheck(command);
-        retval = fork();
+        GetInput(inputString);
+        ParseInput(inputString, command);
+	    IntegratedCheck(command->argv[0]);
+        forkPID = fork();
         // Child
-        if (retval == 0)
+        if (forkPID == 0)
         {
             // This is the child process
             // Setup the child's process environment here
             // E.g., where is standard I/O, how to handle signals?
-            exec(command);
+            // TODO: Adjust Execute() to handle CommandStruct
+            Execute(inputString);
             // exec does not return if it succeeds
-            printf("ERROR: Could not execute %s\n", command);
+            printf("ERROR: Could not execute %s\n", inputString);
             exit(1);
         }
         // Parent
         else
         {
             // This is the parent process; Wait for the child to finish
-            int pid = retval;
-            wait(pid);
+            // Removed due to potentially useless
+            // int pid = forkPID;
+            // wait(&pid);
+            wait(&forkPID);
         }
         // TODO: Remove break when while loop doesn't break program
         break;
     }
 }
+
+// Executes a command to the system
+void Execute(char* command)
+{
+    printf("%s\n", command);
+    system(command);
+    exit(0);
+}
+
+// Prints a prompt and then reads a command from the terminal
+void GetInput(char* inputString)
+{
+    char prompt = '$';
+    printf("%c ", prompt);
+    scanf("%[^\n]", inputString);
+    return;
+}
+
+void ParseInput(char* inputString, CommandStruct* command)
+{
+    //Parse command
+    int* count = &(command->argc);
+	char* token = strtok(inputString, " ");
+    command->argv[*count] = token;
+    (*count)++;
+	while (token != NULL)
+    {
+	    //This only holds 1 command at a time then it overrides
+	    //Will need modified
+	    token = strtok(NULL, " ");
+        command->argv[*count] = token;
+        (*count)++;
+	}
+}