libc: Add setenv/getenv

1 files changed, 15 insertions, 3 deletions

diff --git a/userland/libc/stdlib/getenv.c b/userland/libc/stdlib/getenv.c
index 0240d66..487ac76 100644
--- a/userland/libc/stdlib/getenv.c
+++ b/userland/libc/stdlib/getenv.c
@@ -1,7 +1,19 @@
 #include <stdlib.h>
+#include <string.h>
+
+// Defined in stdlib/setenv.c
+struct env {
+  char *name;
+  char *value;
+  struct env *next;
+};
+
+struct env *internal_getenv(const char *name);
 
 char *getenv(const char *name) {
-  (void)name;
-  // FIXME
-  return NULL;
+  struct env *p = internal_getenv(name);
+  if (!p) {
+    return NULL;
+  }
+  return p->value;
 }