From 34c5da39e25a4ecffea860d08086861c31b93d8b Mon Sep 17 00:00:00 2001
From: Louis-Antoine <lamr@free.fr>
Date: Tue, 19 May 2020 20:00:58 +0200
Subject: [PATCH] Create FIL_ConvertTextFileToBinary

---
 src/m_misc.c | 38 ++++++++++++++++++++++++++++++++++++++
 src/m_misc.h |  2 ++
 2 files changed, 40 insertions(+)

diff --git a/src/m_misc.c b/src/m_misc.c
index 920a13198..c527d2296 100644
--- a/src/m_misc.c
+++ b/src/m_misc.c
@@ -297,6 +297,44 @@ size_t FIL_ReadFileTag(char const *name, UINT8 **buffer, INT32 tag)
 	return length;
 }
 
+/** Makes a copy of a text file with all newlines converted into LF newlines.
+  *
+  * \param textfilename The name of the source file
+  * \param binfilename The name of the destination file
+  */
+boolean FIL_ConvertTextFileToBinary(const char *textfilename, const char *binfilename)
+{
+	FILE *textfile;
+	FILE *binfile;
+	UINT8 buffer[1024];
+	size_t count;
+	boolean success;
+
+	textfile = fopen(textfilename, "r");
+	if (!textfile)
+		return false;
+
+	binfile = fopen(binfilename, "wb");
+	if (!binfile)
+	{
+		fclose(textfile);
+		return false;
+	}
+
+	do
+	{
+		count = fread(buffer, 1, sizeof(buffer), textfile);
+		fwrite(buffer, 1, count, binfile);
+	} while (count);
+
+	success = !(ferror(textfile) || ferror(binfile));
+
+	fclose(textfile);
+	fclose(binfile);
+
+	return success;
+}
+
 /** Check if the filename exists
   *
   * \param name   Filename to check.
diff --git a/src/m_misc.h b/src/m_misc.h
index d64faea59..dbded37d0 100644
--- a/src/m_misc.h
+++ b/src/m_misc.h
@@ -48,6 +48,8 @@ boolean FIL_WriteFile(char const *name, const void *source, size_t length);
 size_t FIL_ReadFileTag(char const *name, UINT8 **buffer, INT32 tag);
 #define FIL_ReadFile(n, b) FIL_ReadFileTag(n, b, PU_STATIC)
 
+boolean FIL_ConvertTextFileToBinary(const char *textfilename, const char *binfilename);
+
 boolean FIL_FileExists(const char *name);
 boolean FIL_WriteFileOK(char const *name);
 boolean FIL_ReadFileOK(char const *name);