From 193d97eb48cc76d550c8ce6e56bd91b007561196 Mon Sep 17 00:00:00 2001
From: "Zed A. Shaw" <zed.shaw@gmail.com>
Date: Sat, 22 Mar 2025 23:21:12 -0400
Subject: [PATCH] Bring over the dbg.h to see if it's usefule.
---
scratchpad/dbg.h | 39 +++++++++++++++++++++++++++++++++++++++
1 file changed, 39 insertions(+)
create mode 100644 scratchpad/dbg.h
diff --git a/scratchpad/dbg.h b/scratchpad/dbg.h
new file mode 100644
index 0000000..9f11809
--- /dev/null
+++ b/scratchpad/dbg.h
@@ -0,0 +1,39 @@
+#ifndef __dbg_h__
+#define __dbg_h__
+
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+
+#ifdef NDEBUG
+#define debug(M, ...)
+#else
+#define debug(M, ...) fprintf(stderr, "DEBUG %s:%d: " M "\n",\
+ __FILE__, __LINE__, ##__VA_ARGS__)
+#endif
+
+#define clean_errno() (errno == 0 ? "None" : strerror(errno))
+
+#define log_err(M, ...) fprintf(stderr,\
+ "[ERROR] (%s:%d: errno: %s) " M "\n", __FILE__, __LINE__,\
+ clean_errno(), ##__VA_ARGS__)
+
+#define log_warn(M, ...) fprintf(stderr,\
+ "[WARN] (%s:%d: errno: %s) " M "\n",\
+ __FILE__, __LINE__, clean_errno(), ##__VA_ARGS__)
+
+#define log_info(M, ...) fprintf(stderr, "[INFO] (%s:%d) " M "\n",\
+ __FILE__, __LINE__, ##__VA_ARGS__)
+
+#define check(A, M, ...) if(!(A)) {\
+ log_err(M, ##__VA_ARGS__); errno=0; goto error; }
+
+#define sentinel(M, ...) { log_err(M, ##__VA_ARGS__);\
+ errno=0; goto error; }
+
+#define check_mem(A) check((A), "Out of memory.")
+
+#define check_debug(A, M, ...) if(!(A)) { debug(M, ##__VA_ARGS__);\
+ errno=0; goto error; }
+
+#endif