1 files changed, 73 insertions, 0 deletions
diff --git a/src/cyn_log.c b/src/cyn_log.c
new file mode 100644
index 0000000..d2d18f2
--- /dev/null
+++ b/src/cyn_log.c
@@ -0,0 +1,73 @@
+#include <stdio.h>
+
+Log_Level cyn_current_log_level = UN_LOG_INFO;
+
+void cyn_log_write_internal(Log_Level level, String format, va_list vaptr) {
+    Allocator talloc;
+    String output;
+
+    if (level < cyn_current_log_level) return;
+
+    
+    talloc = un_allocator_get_temporary();
+    
+    switch (level) {
+        case UN_LOG_TRACE:
+            output = UN_STR("[TRACE] ");
+            break;
+        case UN_LOG_DEBUG:
+            output = UN_STR("[DEBUG] ");
+            break;
+        case UN_LOG_INFO:
+            output = UN_STR("[INFO] ");
+            break;
+        case UN_LOG_WARNING:
+            output = UN_STR("[WARNING] ");
+            break;
+        case UN_LOG_ERROR:
+            output = UN_STR("[ERROR] ");
+            break;
+        case UN_LOG_FATAL:
+            output = UN_STR("[FATAL] ");
+            break;
+        default:
+            break;
+    }
+
+    output = un_string_concat(output, un_string_vformat(talloc, format, vaptr), talloc);
+
+    switch (level) {
+        case UN_LOG_RAW:
+            break;
+        case UN_LOG_FATAL: // @todo, logging should be part of Cynic.
+        default:
+            output = un_string_concat(output, UN_STR("\n"), talloc);
+            break;
+    }
+
+    fprintf(stderr, CSTR un_string_to_cstring(output, talloc));
+}
+
+extern void cyn_log_write_cstring(Log_Level level, u8 *format, ...) {
+    va_list vaptr;
+    String temp;
+    
+    if (level < cyn_current_log_level) return;
+
+    temp.size = un_string_get_length(format);
+    temp.data = format;
+    
+    va_start(vaptr, format);
+    cyn_log_write_internal(level, temp, vaptr);
+    va_end(vaptr);
+}
+
+void cyn_log_write(Log_Level level, String format, ...) {
+    va_list vaptr;
+    
+    if (level < cyn_current_log_level) return;
+
+    va_start(vaptr, format);
+    cyn_log_write_internal(level, format, vaptr);
+    va_end(vaptr);
+}