dirent: request for opendir()

src/dirent.c

@@ -0,0 +1,36 @@
+/*
+ * lux - a lightweight unix-like operating system
+ * Omar Elghoul, 2024
+ * 
+ * Core Microkernel
+ */
+
+#include <kernel/dirent.h>
+#include <kernel/servers.h>
+#include <kernel/io.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+/* Just as with the file system calls, these are just wrappers and do not
+ * implement any actual functionality at the kernel level */
+
+int opendir(Thread *t, uint64_t id, const char *path) {
+    if(strlen(path) >= MAX_FILE_PATH) return -ENAMETOOLONG;
+    Process *p = getProcess(t->pid);
+    if(!p) return -ESRCH;
+
+    OpendirCommand *cmd = calloc(1, sizeof(OpendirCommand));
+    if(!cmd) return -ENOMEM;
+
+    cmd->header.header.command = COMMAND_OPENDIR;
+    cmd->header.header.length = sizeof(OpendirCommand);
+    cmd->header.id = id;
+    cmd->uid = p->user;
+    cmd->gid = p->group;
+    strcpy(cmd->path, path);
+
+    int status = requestServer(t, cmd);
+    free(cmd);
+    return status;
+}