From 6e4bd60978d880d57808317e0890f14614dcc215 Mon Sep 17 00:00:00 2001
From: Ray <raysan5@gmail.com>
Date: Mon, 8 Oct 2018 16:25:47 +0200
Subject: [PATCH] Trying to include dirent.h for MSVC

---
 src/core.c            |   7 ++-
 src/external/dirent.h | 127 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 133 insertions(+), 1 deletion(-)
 create mode 100644 src/external/dirent.h

diff --git a/src/core.c b/src/core.c
index 1324b883..bd21c143 100644
--- a/src/core.c
+++ b/src/core.c
@@ -123,7 +123,12 @@
 #include <string.h>         // Required for: strrchr(), strcmp()
 //#include <errno.h>          // Macros for reporting and retrieving error conditions through error codes
 #include <ctype.h>          // Required for: tolower() [Used in IsFileExtension()]
-#include <dirent.h>         // Required for: DIR, opendir(), closedir() [Used in GetDirectoryFiles()]
+
+#if defined(_MSC_VER)
+    #include <external/dirent.h>    // Required for: DIR, opendir(), closedir() [Used in GetDirectoryFiles()]
+#else
+    #include <dirent.h>             // Required for: DIR, opendir(), closedir() [Used in GetDirectoryFiles()]
+#endif
 
 #if defined(_WIN32)
     #include <direct.h>             // Required for: _getch(), _chdir()
diff --git a/src/external/dirent.h b/src/external/dirent.h
new file mode 100644
index 00000000..2d7a1b73
--- /dev/null
+++ b/src/external/dirent.h
@@ -0,0 +1,127 @@
+/*
+ * DIRENT.H (formerly DIRLIB.H)
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within the package.
+ *
+ */
+
+#ifndef _DIRENT_H_
+#define _DIRENT_H_
+
+/* All the headers include this file. */
+#include <crtdefs.h>
+
+#include <io.h>
+
+#ifndef RC_INVOKED
+
+#pragma pack(push,_CRT_PACKING)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct dirent
+{
+	long		d_ino;		/* Always zero. */
+	unsigned short	d_reclen;	/* Always zero. */
+	unsigned short	d_namlen;	/* Length of name in d_name. */
+	char		d_name[260]; /* [FILENAME_MAX] */ /* File name. */
+};
+
+/*
+ * This is an internal data structure. Good programmers will not use it
+ * except as an argument to one of the functions below.
+ * dd_stat field is now int (was short in older versions).
+ */
+typedef struct
+{
+	/* disk transfer area for this dir */
+	struct _finddata_t	dd_dta;
+
+	/* dirent struct to return from dir (NOTE: this makes this thread
+	 * safe as long as only one thread uses a particular DIR struct at
+	 * a time) */
+	struct dirent		dd_dir;
+
+	/* _findnext handle */
+	intptr_t		dd_handle;
+
+	/*
+	 * Status of search:
+	 *   0 = not started yet (next entry to read is first entry)
+	 *  -1 = off the end
+	 *   positive = 0 based index of next entry
+	 */
+	int			dd_stat;
+
+	/* given path for dir with search pattern (struct is extended) */
+	char			dd_name[1];
+} DIR;
+
+DIR* __cdecl __MINGW_NOTHROW opendir (const char*);
+struct dirent* __cdecl __MINGW_NOTHROW readdir (DIR*);
+int __cdecl __MINGW_NOTHROW closedir (DIR*);
+void __cdecl __MINGW_NOTHROW rewinddir (DIR*);
+long __cdecl __MINGW_NOTHROW telldir (DIR*);
+void __cdecl __MINGW_NOTHROW seekdir (DIR*, long);
+
+
+/* wide char versions */
+
+struct _wdirent
+{
+	long		d_ino;		/* Always zero. */
+	unsigned short	d_reclen;	/* Always zero. */
+	unsigned short	d_namlen;	/* Length of name in d_name. */
+	wchar_t		d_name[260]; /* [FILENAME_MAX] */ /* File name. */
+};
+
+/*
+ * This is an internal data structure. Good programmers will not use it
+ * except as an argument to one of the functions below.
+ */
+typedef struct
+{
+	/* disk transfer area for this dir */
+	struct _wfinddata_t	dd_dta;
+
+	/* dirent struct to return from dir (NOTE: this makes this thread
+	 * safe as long as only one thread uses a particular DIR struct at
+	 * a time) */
+	struct _wdirent		dd_dir;
+
+	/* _findnext handle */
+	intptr_t		dd_handle;
+
+	/*
+	 * Status of search:
+	 *   0 = not started yet (next entry to read is first entry)
+	 *  -1 = off the end
+	 *   positive = 0 based index of next entry
+	 */
+	int			dd_stat;
+
+	/* given path for dir with search pattern (struct is extended) */
+	wchar_t			dd_name[1];
+} _WDIR;
+
+_WDIR* __cdecl __MINGW_NOTHROW _wopendir (const wchar_t*);
+struct _wdirent* __cdecl __MINGW_NOTHROW _wreaddir (_WDIR*);
+int __cdecl __MINGW_NOTHROW _wclosedir (_WDIR*);
+void __cdecl __MINGW_NOTHROW _wrewinddir (_WDIR*);
+long __cdecl __MINGW_NOTHROW _wtelldir (_WDIR*);
+void __cdecl __MINGW_NOTHROW _wseekdir (_WDIR*, long);
+
+
+#ifdef	__cplusplus
+}
+#endif
+
+#pragma pack(pop)
+
+#endif	/* Not RC_INVOKED */
+
+#endif	/* Not _DIRENT_H_ */
+