move xmp_strdup() into a new util.c source module.

src/Makefile.am

@@ -9,7 +9,7 @@ bin_PROGRAMS = xmp
 xmp_SOURCES = \
 	commands.c common.h delay.c getopt_long.h list.h getopt_long.c info.c \
 	main.c options.c read_config.c sound.c sound.h sound_file.c sound_null.c \
-	sound_wav.c sound_aiff.c terminal.c xmp_version.h
+	sound_wav.c sound_aiff.c terminal.c util.c xmp_version.h
 xmp_LDADD   = ${LIBXMP_LIBS}
 xmp_LDFLAGS = ${XMP_DARWIN_LDFLAGS}
 
@@ -90,7 +90,6 @@ endif
 
 if SOUND_OS2DART
 xmp_SOURCES += sound_dart.c
-# for mciSendCommand()
 xmp_LDADD   += -lmmpm2
 endif
 

src/main.c

@@ -44,16 +44,6 @@ static struct sound_driver *sound;
 static unsigned int foreground_in, foreground_out;
 static int refresh_status;
 
-char *xmp_strdup(const char *in)
-{
-	size_t len = strlen(in) + 1;
-	char *out = (char *) malloc(len);
-	if (out) {
-		memcpy(out, in, len);
-	}
-	return out;
-}
-
 int report(const char *fmt, ...)
 {
 	va_list a;

src/util.c

@@ -0,0 +1,24 @@
+/* Extended Module Player
+ * Copyright (C) 1996-2022 Claudio Matsuoka and Hipolito Carraro Jr
+ *
+ * This file is part of the Extended Module Player and is distributed
+ * under the terms of the GNU General Public License. See the COPYING
+ * file for more information.
+ */
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <xmp.h>
+#include "common.h"
+
+char *xmp_strdup(const char *in)
+{
+	size_t len = strlen(in) + 1;
+	char *out = (char *) malloc(len);
+	if (out) {
+		memcpy(out, in, len);
+	}
+	return out;
+}
+

vc/xmp.vcproj

@@ -163,6 +163,10 @@
 				RelativePath="..\src\terminal.c"
 				>
 			</File>
+			<File
+				RelativePath="..\src\util.c"
+				>
+			</File>
 		</Filter>
 	</Files>
 	<Globals>

watcom.mif

@@ -16,7 +16,7 @@ LIBS+= $(LIBXMP)
 AOUT=xmp.exe
 COMPILE=$(CC) $(CFLAGS) $(CPPFLAGS) $(INCLUDES)
 
-OBJ = commands.obj delay.obj getopt_long.obj info.obj main.obj options.obj read_config.obj sound.obj sound_aiff.obj sound_file.obj sound_null.obj sound_wav.obj terminal.obj
+OBJ = commands.obj delay.obj getopt_long.obj info.obj main.obj options.obj read_config.obj sound.obj sound_aiff.obj sound_file.obj sound_null.obj sound_wav.obj terminal.obj util.obj
 
 all: $(AOUT)