LibC: Add stubs for glob and globfree

Userland/Libraries/LibC/CMakeLists.txt

@@ -12,6 +12,7 @@ set(LIBC_SOURCES
     ifaddrs.cpp
     getopt.cpp
     getsubopt.cpp
+    glob.cpp
     grp.cpp
     inttypes.cpp
     ioctl.cpp

Userland/Libraries/LibC/glob.cpp

@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2021, the SerenityOS developers.
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <AK/Format.h>
+#include <assert.h>
+#include <glob.h>
+
+extern "C" {
+
+// https://pubs.opengroup.org/onlinepubs/9699919799/functions/glob.html
+int glob(char const*, int, int (*)(char const* epath, int eerrno), glob_t*)
+{
+    dbgln("FIXME: Implement glob()");
+    TODO();
+}
+
+void globfree(glob_t*)
+{
+    dbgln("FIXME: Implement globfree()");
+    TODO();
+}
+}

Userland/Libraries/LibC/glob.h

@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2021, the SerenityOS developers.
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <sys/types.h>
+
+__BEGIN_DECLS
+
+typedef struct {
+    size_t gl_pathc;
+    char** gl_pathv;
+    size_t gl_offs;
+} glob_t;
+
+#define GLOB_APPEND (1 << 0)
+#define GLOB_DOOFS (1 << 1)
+#define GLOB_ERR (1 << 2)
+#define GLOB_MARK (1 << 3)
+#define GLOB_NOCHECK (1 << 4)
+#define GLOB_NOESCAPE (1 << 5)
+#define GLOB_NOSORT (1 << 6)
+
+#define GLOB_ABORTED 1
+#define GLOB_NOMATCH 2
+#define GLOB_NOSPACE 3
+
+int glob(char const* pattern, int flags, int (*errfunc)(char const* epath, int eerrno), glob_t* pglob);
+
+void globfree(glob_t* pglob);
+
+__END_DECLS