From bee28e8a01c70bae522ef12947c296f837110dbe Mon Sep 17 00:00:00 2001
From: sparky4 <sparky4@cock.li>
Date: Mon, 5 Dec 2016 08:32:44 -0600
Subject: [PATCH] db.exe added as a utility

---
 makefile |  5 ++++-
 src/db.c | 31 +++++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+), 1 deletion(-)
 create mode 100755 src/db.c

diff --git a/makefile b/makefile
index 2d46a27c..1c1cd5ce 100755
--- a/makefile
+++ b/makefile
@@ -174,7 +174,8 @@ TESTEXEC2 = &
 	pcxtest2.exe
 UTILEXEC = &
 	palettel.exe &
-	palettec.exe
+	palettec.exe &
+	db.exe
 EXEC = &
 	16.exe &
 	bakapi.exe &
@@ -220,6 +221,7 @@ maptest.exe:	maptest.$(OBJ) 16_map.$(OBJ) 16_head.$(OBJ) gfx.lib $(DOSLIBLIBS)
 fmemtest.exe:	 fmemtest.$(OBJ)
 exmmtest.exe:	 exmmtest.$(OBJ) $(16LIB) $(DOSLIBLIBS)
 vgmtest.exe:	vgmtest.$(OBJ) vgmsnd.lib $(16LIB) $(DOSLIBLIBS)
+db.exe:		db.$(OBJ)
 
 #
 # executable's objects
@@ -251,6 +253,7 @@ inputest.$(OBJ):$(SRC)/inputest.c
 #tsthimem.$(OBJ): $(SRC)/tsthimem.c
 exmmtest.$(OBJ):$(SRC)/exmmtest.c
 vgmtest.$(OBJ):$(SRC)/vgmtest.c
+db.$(OBJ):$(SRC)/db.c
 
 #
 # non executable objects libraries
diff --git a/src/db.c b/src/db.c
new file mode 100755
index 00000000..d048517b
--- /dev/null
+++ b/src/db.c
@@ -0,0 +1,31 @@
+#include <stdio.h>      /* printf */
+#include <string.h>     /* strcat */
+#include <stdlib.h>     /* strtol */
+
+const char *byte_to_binary(int x)
+{
+	static char b[9];
+	int z;
+
+	b[0] = '\0';
+	for (z = 128; z > 0; z >>= 1)
+	{
+		strcat(b, ((x & z) == z) ? "1" : "0");
+	}
+	return b;
+}
+
+void main()
+{
+	/* binary string to int */
+	char *tmp;
+	char *b = "1101";
+
+	printf("%d\n", strtol(b, &tmp, 2));
+	printf("%x\n", strtol(b, &tmp, 2));
+
+	/* byte to binary string */
+	printf("%s\n", byte_to_binary(4));
+	printf("%s\n", byte_to_binary(16));
+//    return 0;
+}
-- 
2.39.2