kernel: env support

src/include/kernel/env.h

@@ -0,0 +1,11 @@
+#ifndef _ENV_H_INCLUDE
+#define _ENV_H_INCLUDE
+
+#include <stdbool.h>
+
+int env_set(const char*, const char*);
+char* env_get(const char*);
+bool env_isset(const char*);
+void env_init();
+
+#endif

src/sys/env.c

@@ -0,0 +1,30 @@
+#include <hashtable.h>
+#include <errno.h>
+#include <kernel/env.h>
+#include <arch/panic.h>
+
+static hashtable envtable;
+
+int env_set(const char* name, const char* value){
+	
+	if(!hashtable_set(&envtable, name, value))
+		if(!hashtable_insert(&envtable, name, value))
+			return ENOMEM;
+	
+	return 0;
+
+}
+
+char* env_get(const char* name){
+	return hashtable_get(&envtable, name);
+
+}
+
+bool env_isset(const char* name){
+	return hashtable_isset(&envtable, name);
+}
+
+void env_init(){
+	if(!hashtable_init(&envtable, 50))
+		_panic("Out of memory!\n", NULL);
+}