core: Add logging helpers

Signed-off-by: Ian Moffett <ian@mirocom.org>

core/cescal.c

@@ -6,6 +6,7 @@
 #include <stdio.h>
 #include <unistd.h>
 #include "cescal/state.h"
+#include "cescal/log.h"
 
 static void
 help(void)
@@ -37,7 +38,7 @@ main(int argc, char **argv)
     int opt;
 
     if (argc < 2) {
-        printf("fatal: too few arguments\n");
+        cc_error("too few arguments\n");
         help();
         return -1;
     }

include/cescal/log.h

@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2026, Chloe M.
+ * Provided under the BSD-3 clause
+ */
+
+#ifndef CESCAL_LOG_H
+#define CESCAL_LOG_H 1
+
+#include <stdio.h>
+
+#define cc_trace(fmt, ...) \
+    printf("[\033[34;40mtrace\033[0m]: ", ##__VA_ARGS__)
+#define cc_error(fmt, ...) \
+    printf("[\033[31;40merror\033[0m]: ", ##__VA_ARGS__)
+
+#endif  /* !CESCAL_LOG_H */