From 2797fe116f9e17434ca8e7c66ae499291482f8bc Mon Sep 17 00:00:00 2001
From: Bananymous <oskari.alaranta@bananymous.com>
Date: Fri, 9 Aug 2024 17:01:41 +0300
Subject: [PATCH] LibC: Add stubs for some functions in
 {dlfcn,ftw,utime,wchar}.h

---
 userspace/libraries/LibC/CMakeLists.txt |  4 ++++
 userspace/libraries/LibC/dlfcn.cpp      | 23 +++++++++++++++++++++++
 userspace/libraries/LibC/ftw.cpp        | 13 +++++++++++++
 userspace/libraries/LibC/utime.cpp      |  8 ++++++++
 userspace/libraries/LibC/wchar.cpp      |  8 ++++++++
 5 files changed, 56 insertions(+)
 create mode 100644 userspace/libraries/LibC/dlfcn.cpp
 create mode 100644 userspace/libraries/LibC/ftw.cpp
 create mode 100644 userspace/libraries/LibC/utime.cpp
 create mode 100644 userspace/libraries/LibC/wchar.cpp

diff --git a/userspace/libraries/LibC/CMakeLists.txt b/userspace/libraries/LibC/CMakeLists.txt
index 5105a70b..8f4f73f5 100644
--- a/userspace/libraries/LibC/CMakeLists.txt
+++ b/userspace/libraries/LibC/CMakeLists.txt
@@ -3,7 +3,9 @@ set(LIBC_SOURCES
 	assert.cpp
 	ctype.cpp
 	dirent.cpp
+	dlfcn.cpp
 	fcntl.cpp
+	ftw.cpp
 	grp.cpp
 	inttypes.cpp
 	locale.cpp
@@ -31,6 +33,8 @@ set(LIBC_SOURCES
 	termios.cpp
 	time.cpp
 	unistd.cpp
+	utime.cpp
+	wchar.cpp
 	icxxabi.cpp
 
 	arch/${BANAN_ARCH}/setjmp.S
diff --git a/userspace/libraries/LibC/dlfcn.cpp b/userspace/libraries/LibC/dlfcn.cpp
new file mode 100644
index 00000000..e1dc052c
--- /dev/null
+++ b/userspace/libraries/LibC/dlfcn.cpp
@@ -0,0 +1,23 @@
+#include <BAN/Assert.h>
+
+#include <dlfcn.h>
+
+int dlclose(void*)
+{
+	ASSERT_NOT_REACHED();
+}
+
+char* dlerror(void)
+{
+	ASSERT_NOT_REACHED();
+}
+
+void* dlopen(const char*, int)
+{
+	ASSERT_NOT_REACHED();
+}
+
+void* dlsym(void* __restrict, const char* __restrict)
+{
+	ASSERT_NOT_REACHED();
+}
diff --git a/userspace/libraries/LibC/ftw.cpp b/userspace/libraries/LibC/ftw.cpp
new file mode 100644
index 00000000..ca428ffd
--- /dev/null
+++ b/userspace/libraries/LibC/ftw.cpp
@@ -0,0 +1,13 @@
+#include <BAN/Assert.h>
+
+#include <ftw.h>
+
+int ftw(const char*, int (*)(const char*, const struct stat*, int), int)
+{
+	ASSERT_NOT_REACHED();
+}
+
+int nftw(const char*, int (*)(const char*, const struct stat*, int, struct FTW*), int, int)
+{
+	ASSERT_NOT_REACHED();
+}
diff --git a/userspace/libraries/LibC/utime.cpp b/userspace/libraries/LibC/utime.cpp
new file mode 100644
index 00000000..9112603b
--- /dev/null
+++ b/userspace/libraries/LibC/utime.cpp
@@ -0,0 +1,8 @@
+#include <BAN/Assert.h>
+
+#include <utime.h>
+
+int utime(const char*, const struct utimbuf*)
+{
+	ASSERT_NOT_REACHED();
+}
diff --git a/userspace/libraries/LibC/wchar.cpp b/userspace/libraries/LibC/wchar.cpp
new file mode 100644
index 00000000..81d42fc3
--- /dev/null
+++ b/userspace/libraries/LibC/wchar.cpp
@@ -0,0 +1,8 @@
+#include <BAN/Assert.h>
+
+#include <wchar.h>
+
+size_t mbrtowc(wchar_t* __restrict, const char* __restrict, size_t, mbstate_t* __restrict)
+{
+	ASSERT_NOT_REACHED();
+}