implement `main.cc`, `shm.cc`, and `time.cc` + overall tweeks

1 files changed, 42 insertions, 0 deletions

diff --git a/src/util.cc b/src/util.cc
new file mode 100644
index 0000000..f2ebc48
--- /dev/null
+++ b/src/util.cc
@@ -0,0 +1,42 @@
+#include "util.hh"
+
+static void (*ErrorFunction)(const char *Text) = NULL;
+static void (*PrintFunction)(int Level, const char *Text) = NULL;
+
+void SetErrorFunction(TErrorFunction *Function){
+	ErrorFunction = Function;
+}
+
+void SetPrintFunction(TPrintFunction *Function){
+	PrintFunction = Function;
+}
+
+void error(char *Text, ...){
+	char s[1024];
+
+	va_list ap;
+	va_start(ap, Text);
+	vsnprintf(s, sizeof(s), Text, ap);
+	va_end(ap);
+
+	if(ErrorFunction){
+		ErrorFunction(s);
+	}else{
+		printf("%s", s);
+	}
+}
+
+void print(int Level, char *Text, ...){
+	char s[1024];
+
+	va_list ap;
+	va_start(ap, Text);
+	vsnprintf(s, sizeof(s), Text, ap);
+	va_end(ap);
+
+	if(PrintFunction){
+		PrintFunction(Level, s);
+	}else{
+		printf("%s", s);
+	}
+}