From f35702a2d363b2f129796f2464fbe552edf393c2 Mon Sep 17 00:00:00 2001
From: John Tsiombikas <nuclear@member.fsf.org>
Date: Tue, 18 May 2021 01:28:13 +0300
Subject: [PATCH] blank dos build

---
 Makefile.dj    |   41 +++++++++++++++++++++++++++++++++++
 src/dos/main.c |   66 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 src/rbench.c   |    1 -
 src/util.h     |   11 ++++++++++
 tools/lutgen.c |    2 ++
 tools/pack.bat |   13 +++++++++++
 6 files changed, 133 insertions(+), 1 deletion(-)
 create mode 100644 Makefile.dj
 create mode 100644 src/dos/main.c
 create mode 100644 tools/pack.bat

diff --git a/Makefile.dj b/Makefile.dj
new file mode 100644
index 0000000..fc59199
--- /dev/null
+++ b/Makefile.dj
@@ -0,0 +1,41 @@
+src = $(wildcard src/*.c) $(wildcard src/dos/*.c)
+ssrc = sinlut.s
+obj = $(src:.c=.o) $(ssrc:.s=.o)
+dep = $(src:.c=.d)
+bin = rbench.exe
+
+LUTGEN = tools/lutgen.exe
+
+warn = -pedantic -Wall -Wno-deprecated-declarations
+dbg = -g
+opt = -O3 -ffast-math
+inc = -Isrc
+def = -DNO_STDINT_H
+
+CFLAGS = -pedantic $(warn) $(dbg) $(opt) $(def) $(inc) -MMD
+
+$(bin): $(obj)
+	$(CC) -o $@ $(obj) $(LDFLAGS)
+
+sinlut.s: $(LUTGEN)
+	$(LUTGEN) >$@
+
+-include $(dep)
+-include *.d
+
+.PHONY: clean
+clean:
+	del src\*.o
+	del src\dos\*.o
+	del *.o
+	del $(bin)
+	del sinlut.s
+
+.PHONY: cleandep
+cleandep:
+	del src\*.d
+	del src\dos\*.d
+	del *.d
+
+$(LUTGEN): tools/lutgen.c
+	$(CC) -o $@ $< -lm
diff --git a/src/dos/main.c b/src/dos/main.c
new file mode 100644
index 0000000..5a1a13a
--- /dev/null
+++ b/src/dos/main.c
@@ -0,0 +1,66 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include "rbench.h"
+
+static int parse_args(int argc, char **argv);
+
+int main(int argc, char **argv)
+{
+	read_config("rbench.cfg");
+
+	if(parse_args(argc, argv) == -1) {
+		return 1;
+	}
+
+	printf("foo %dx%d %dbpp\n", opt.width, opt.height, opt.bpp);
+
+	return 0;
+}
+
+
+static const char *usage_str =
+	"Usage: %s [options]\n"
+	"Options:\n"
+	"  -s <WxH>: resolution\n"
+	"  -b <bpp>: color depth\n"
+	"  -h: print usage and exit\n";
+
+static int parse_args(int argc, char **argv)
+{
+	int i;
+
+	for(i=1; i<argc; i++) {
+		if(argv[i][0] == '-') {
+			if(argv[i][2]) {
+				goto inval_arg;
+			}
+			switch(argv[i][1]) {
+			case 's':
+				if(!argv[++i] || sscanf(argv[i], "%dx%d", &opt.width, &opt.height) != 2) {
+					fprintf(stderr, "-s must be followed by WxH\n");
+					return -1;
+				}
+				break;
+
+			case 'b':
+				if(!argv[++i] || !(opt.bpp = atoi(argv[i]))) {
+					fprintf(stderr, "-b must be followed by the color depth\n");
+					return -1;
+				}
+				break;
+
+			case 'h':
+				printf(usage_str, argv[0]);
+				exit(0);
+
+			default:
+				goto inval_arg;
+			}
+		} else {
+inval_arg:	fprintf(stderr, "invalid argument: %s\n", argv[i]);
+			return -1;
+		}
+	}
+	return 0;
+}
+
diff --git a/src/rbench.c b/src/rbench.c
index 4a2c232..7202c1a 100644
--- a/src/rbench.c
+++ b/src/rbench.c
@@ -1,6 +1,5 @@
 #include <stdio.h>
 #include <stdlib.h>
-#include <stdint.h>
 #include <math.h>
 #include "rbench.h"
 #include "treestor.h"
diff --git a/src/util.h b/src/util.h
index 9b04f0d..9f0eb4d 100644
--- a/src/util.h
+++ b/src/util.h
@@ -1,6 +1,17 @@
 #ifndef UTIL_H_
 #define UTIL_H_
 
+#ifdef NO_STDINT_H
+typedef char int8_t;
+typedef unsigned char uint8_t;
+typedef short int16_t;
+typedef unsigned short uint16_t;
+typedef int int32_t;
+typedef unsigned int uint32_t;
+#else
+#include <stdint.h>
+#endif
+
 extern int sinlut[];
 
 #define SIN(x) sinlut[(x) & 0xff]
diff --git a/tools/lutgen.c b/tools/lutgen.c
index b4f2645..a573de1 100644
--- a/tools/lutgen.c
+++ b/tools/lutgen.c
@@ -6,7 +6,9 @@ int main(void)
 	int i;
 
 	puts("\t.data");
+	puts("\t.globl _sinlut");
 	puts("\t.globl sinlut");
+	puts("_sinlut:");
 	puts("sinlut:");
 	for(i=0; i<256; i++) {
 		float x = sin((float)i / 128.0f * M_PI);
diff --git a/tools/pack.bat b/tools/pack.bat
new file mode 100644
index 0000000..7fddfeb
--- /dev/null
+++ b/tools/pack.bat
@@ -0,0 +1,13 @@
+deltree /y c:\tmp\rbench
+mkdir c:\tmp\rbench
+mkdir c:\tmp\rbench\src
+mkdir c:\tmp\rbench\src\dos
+mkdir c:\tmp\rbench\tools
+
+copy Makefile.dos c:\tmp\rbench
+copy tools\lutgen.c c:\tmp\rbench\tools
+copy src\*.c c:\tmp\rbench\src
+copy src\*.h c:\tmp\rbench\src
+copy src\dos\*.c c:\tmp\rbench\src\dos
+copy src\dos\*.h c:\tmp\rbench\src\dos
+copy pack.bat c:\tmp\rbench
-- 
1.7.10.4