Implement environment variables

kernel/proc/env.h

@@ -0,0 +1,28 @@
+#ifndef _KERNEL_PROC_ENV_H
+#define _KERNEL_PROC_ENV_H
+
+#include <libk/hash.h>
+#include <libk/std.h>
+
+#define PROC_ENV_VAR_MAX 128
+
+struct proc;
+
+struct proc_env_var {
+  char key[PROC_ENV_VAR_MAX];
+  void* buffer;
+  size_t data_size;
+  struct hash_node_link env_link;
+};
+
+struct proc_env {
+  struct hash_node_link* env_var_buckets[64];
+};
+
+void proc_env_cleanup (struct proc* proc);
+
+int proc_env_set (struct proc* proc, const char* key, void* buffer, size_t data_size);
+
+int proc_env_get (struct proc* proc, const char* key, void* buffer, size_t size);
+
+#endif // _KERNEL_PROC_ENV_H