print: Print the Ocarina version to a file

The basic/print.cpp test will write version information to a file using
both dprint() and print().

Signed-off-by: Bryan Schumaker <bjschuma@gmail.com>

.gitignore

@@ -2,6 +2,7 @@
 *.swp
 *.swo
 *.pyc
+*.run
 *.test
 *.tar.gz
 ocarina.bin

include/print.h

@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2013 Bryan Schumaker.
+ */
+#ifndef OCARINA_PRINT_H
+#define OCARINA_PRINT_H
+
+#include <cstdio>
+#include <cstdarg>
+
+inline void print(const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	vprintf(fmt, ap);
+	va_end(ap);
+}
+
+#ifdef CONFIG_DEBUG
+inline void dprint(const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	vprintf(fmt, ap);
+	va_end(ap);
+}
+#else /* CONFIG_DEBUG */
+inline void dprint(const char *fmt, ...) {}
+#endif /* CONFIG_DEBUG */
+
+#endif /* OCARINA_PRINT_H */

include/version.h

@@ -6,7 +6,7 @@
 
 static inline const char *get_version()
 {
-	return "CONFIG_VERSION";
+	return CONFIG_VERSION;
 }
 
 #endif /* OCARINA_VERSION_H */

tests/Sconscript

@@ -1,9 +1,23 @@
 #!/usr/bin/python
 Import("release", "debug")
 
+def run_test(group, name):
+	cmd = "tests/%s/%s.test" % (group, name)
+	out = "tests/%s/%s.run" % (group, name)
+	good = "tests/%s/%s.good" % (group, name)
+	test = Command(out, None,
+			[ "%s > %s" % (cmd, out),
+			  "diff -u %s %s" % (out, good)
+			]
+		)
+	return test
+
 def make_test(group, src, name, env):
 	obj  = env.StaticObject(name, src)
 	prog = env.Program("%s.test" % name, obj)
+	test = run_test(group, name)
+	Depends(test, prog)
+
 	Alias("tests", [obj, prog])
 	Alias("tests/%s" % group, [obj, prog])
 	Alias("tests/%s/%s" % (group, name), [obj, prog])
@@ -16,6 +30,5 @@ def Test(group, src):
 Export("Test")
 
 
-
 # Read SConscript files
 basic = SConscript("basic/Sconscript")

tests/basic/print-debug.good

@@ -0,0 +1,2 @@
+6.0-debug
+6.0-debug

tests/basic/print.cpp

@@ -1,10 +1,12 @@
 /*
  * Prints version info to the screen when compiled in debug mode
  */
-
+#include <print.h>
 #include <version.h>
 
 int main(int argc, char **argv)
 {
+	print("%s\n", get_version());
+	dprint("%s\n", get_version());
 	return 0;
 }

tests/basic/print.good

@@ -0,0 +1 @@
+6.0