Stub implementations of some wchar functions

CMakeLists.txt

@@ -25,7 +25,7 @@ set(CMAKE_EXE_LINKER_FLAGS
 
 set(malloc_impl dlmalloc)
 set(photon_libc_sources "")
-set(generic_dirs string stdio stdlib errno internal ctype)
+set(generic_dirs string stdio stdlib errno internal ctype wchar)
 
 message(STATUS "Memory allocator: ${malloc_impl}")
 

photon/libc/include/locale.h

@@ -0,0 +1,4 @@
+#ifndef LOCALE_H_
+#define LOCALE_H_
+
+#endif

photon/libc/include/stdlib.h

@@ -10,6 +10,8 @@ extern "C" {
 extern _Noreturn void abort(void);
 extern _Noreturn void exit(int code);
 extern void *malloc(size_t sz);
+extern void *realloc(void *ptr, size_t sz);
+extern void *calloc(size_t n, size_t sz);
 extern void free(void *ptr);
 
 extern int atoi(const char *str);

photon/libc/include/wchar.h

@@ -0,0 +1,14 @@
+#ifndef WCHAR_H_
+#define WCHAR_H_
+
+#include <stdio.h>
+#include <stdarg.h>
+
+typedef unsigned int wchar_t;
+
+extern int fwide(FILE *fp, int mode);
+
+extern int vfwprintf(FILE *stream, const wchar_t *format, va_list arg);
+extern int vswprintf(wchar_t *buf, size_t len, const wchar_t *format, va_list arg);
+
+#endif

photon/libc/wchar/fwide.c

@@ -0,0 +1,6 @@
+#include <stdio.h>
+
+int fwide(FILE *fp, int mode)
+{
+    return 0;
+}

photon/libc/wchar/vfwprintf.c

@@ -0,0 +1,6 @@
+#include <wchar.h>
+
+int vfwprintf(FILE *fp, const wchar_t *format, va_list arg)
+{
+    return 0;
+}

photon/libc/wchar/vswprintf.c

@@ -0,0 +1,6 @@
+#include <wchar.h>
+
+int vswprintf(wchar_t *buf, size_t len, const wchar_t *format, va_list arg)
+{
+    return 0;
+}