Basic shell

src/test/init.c

@@ -2,48 +2,48 @@
 
 #include "stdio.h"
 #include "stdlib.h"
-#include <sys/fcntl.h>
+#include <dirent.h>
+#include <fcntl.h>
+#include <string.h>
 #include <sys/stat.h>
-#include <sys/unistd.h>
+#include <unistd.h>
 
+void ls() {
+    DIR           *rfd = opendir("/");
+    struct dirent *cur = readdir(rfd);
+    while (cur) {
+        printf("%s\n", cur->d_name);
+        cur = readdir(rfd);
+    }
+    closedir(rfd);
+}
 
 int main() {
-    malloc(100);
-    malloc(100);
-    malloc(100);
-    malloc(100);
-    printf("Who are you?\n");
-    char  *line = NULL;
-    size_t len  = 0;
-    //    __getline(&line, &len, stdin);
+    {
+        uint64_t    test123 = open("/test123", O_CREAT | O_RDWR);
+        const char *teststr = "test str";
+        write(test123, teststr, 9);
+        close(test123);
 
-
-    printf("hi %s\n", line);
-    //    sputchar('h');
-    //    sputchar('i');
-    //    sputchar('\n');
-    uint64_t    test123 = open("/test123", O_CREAT | O_RDWR);
-    const char *teststr = "test str";
-    write(test123, teststr, 9);
-    close(test123);
-
-    test123 = open("/test123", O_RDONLY);
-    char buf[123];
-    read(test123, buf, 9);
-
-    printf("\n %s \n", buf);
-
-    usleep(100);
-
-    execve("/hello2", 0, 0);
+        test123 = open("/test123", O_RDONLY);
+        char buf[123];
+        read(test123, buf, 9);
+        close(test123);
+        printf("\n %s \n", buf);
+    }
 
     while (1) {
-        printf("\n");
-        char c;
-        scanf(" %c", &c);
-        if (c == 'm') print_mem();
-        if (c == 't') print_tasks();
-        if (c == 'h') execve("/hello2", 0, 0);
-        printf("%c", c);
+        printf("\n> ");
+        char line[30];
+        scanf(" %24[^\n]", line);
+        if (strcmp(line, "ls") == 0) {
+            ls();
+        } else if (strcmp(line, "mem") == 0) {
+            print_mem();
+        } else if (strcmp(line, "tasks") == 0) {
+            print_tasks();
+        } else {
+            execve(line, 0, 0);
+        }
     }
 }