From a2a62554b8e23e464bd98b3db7eac12297c95c84 Mon Sep 17 00:00:00 2001
From: Nick Chambers <uplime@spookyinternet.com>
Date: Thu, 30 Jun 2022 02:30:34 -0500
Subject: [PATCH] Add an error type for recording failures

---
 Makefile                    |  2 +-
 include/gargoyle/delusion.h | 19 +++++++++++++++++++
 src/delusion.c              | 13 +++++++++++++
 3 files changed, 33 insertions(+), 1 deletion(-)
 create mode 100644 include/gargoyle/delusion.h
 create mode 100644 src/delusion.c

diff --git a/Makefile b/Makefile
index 16365cc..62d5cd5 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ CFLAGS ?= -Wall -Wextra -g -O1
 LDFLAGS ?= -g -O1
 LIB_CFLAGS ?= -fpic
 LIB_LDFLAGS ?= -shared
-GARGOYLE_OBJS := gargoyle scribe sleuth twine
+GARGOYLE_OBJS := delusion gargoyle scribe sleuth twine
 GARGOYLE_TEST_OBJS := runner sleuth twine
 #GARGOYLE_TEST_OBJS := runner $(GARGOYLE_OBJS)
 
diff --git a/include/gargoyle/delusion.h b/include/gargoyle/delusion.h
new file mode 100644
index 0000000..cd94e2f
--- /dev/null
+++ b/include/gargoyle/delusion.h
@@ -0,0 +1,19 @@
+#ifndef __GARGOYLE_DELUSION_H_
+#define __GARGOYLE_DELUSION_H_
+
+#include <gargoyle/codex.h>
+
+static const uint8_t GARGOYLE_MAX_ERR_SZ = 255;
+static const uint8_t GARGOYLE_MAX_FUNC_SZ = 32;
+
+struct gargoyle_err {
+  gargoyle_err_type code;
+  int errno;
+  char func[GARGOYLE_MAX_FUNC_SZ];
+  char errno_func[GARGOYLE_MAX_FUNC_SZ];
+  char msg[GARGOYLE_MAX_ERR_SZ];
+};
+
+void gargoyle_emit_err(struct gargoyle_err *err);
+
+#endif
diff --git a/src/delusion.c b/src/delusion.c
new file mode 100644
index 0000000..abe96e6
--- /dev/null
+++ b/src/delusion.c
@@ -0,0 +1,13 @@
+#include <gargoyle/delusion.h>
+
+#include <stdio.h>
+
+void gargoyle_emit_err(struct gargoyle_err *err) {
+  fprintf(stderr, "%s(%u): ", err->func, err->code);
+
+  if(err->errno) {
+    fprintf(stderr, "%s(%d): ", err->errno_func, err->errno);
+  }
+
+  fprintf(stderr, "%s\n", err->msg);
+}