outline <dlfcn.h>

1 files changed, 34 insertions, 0 deletions

diff --git a/src/dlfcn/dlopen.c b/src/dlfcn/dlopen.c
new file mode 100644
index 00000000..f67e51ff
--- /dev/null
+++ b/src/dlfcn/dlopen.c
@@ -0,0 +1,34 @@
+#include <dlfcn.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include "_dlfcn.h"
+
+void *dlopen(const char *file, int mode)
+{
+	if ((mode & (RTLD_LAZY | RTLD_NOW)) == (RTLD_LAZY | RTLD_NOW)) {
+		return NULL;
+	}
+
+	if ((mode & (RTLD_GLOBAL | RTLD_LOCAL)) == (RTLD_GLOBAL | RTLD_LOCAL)) {
+		return NULL;
+	}
+
+	struct dlhandle *h = malloc(sizeof(*h));
+	if (h == NULL) {
+		return NULL;
+	}
+
+	h->fd = open(file, O_RDONLY | O_EXEC);
+	if (h->fd == -1) {
+		free(h);
+		return NULL;
+	}
+
+	/* map and verify file header */
+
+	return h;
+}
+
+/*
+XOPEN(500)
+*/