prototype

.gitignore

@@ -0,0 +1,2 @@
+main
+shell

main.c

@@ -0,0 +1,53 @@
+#include "main.h"
+
+int main(int argc, char *argv[])
+{
+ char *token;
+ char **array;
+ int i;
+ (void)argc, (void)argv;
+ char *buf = NULL;
+ size_t count = 0;
+ ssize_t nread;
+ pid_t child_pid;
+ int status;
+
+ while (1) {
+ write(STDOUT_FILENO,"Dashed$ ",9);
+ nread = getline(&buf, &count, stdin);
+ if(nread == -1)
+ {
+ perror("Exiting shell");
+ exit(1);
+ }
+ token = strtok(buf, "\n");
+ array = malloc(sizeof(char *) * 1024);
+ i = 0;
+ while(token)
+ {
+ array[i] = token;
+ token = strtok(NULL, " \n");
+ i++;
+ }
+ array[i] = NULL;
+ child_pid = fork();
+ if(child_pid == -1)
+ {
+ perror("Failed to create.");
+ exit(41);
+ }
+ if(child_pid == 0)
+ {
+ if(execve(array[0], array, NULL) == -1)
+ {
+ perror("Couldn't execute");
+ exit(97);
+ }
+ }
+ else {
+ wait(&status);
+ }
+ }
+ free(buf);
+ return (0);
+}

main.h

@@ -0,0 +1,12 @@
+#ifndef MAIN_H
+#define MAIN_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <string.h>
+
+#endif /* MAIN_H */
+