From 95a9726023abd85b49ed39837911e1b231f4389b Mon Sep 17 00:00:00 2001
From: katherine <shmibs@airen-no-jikken.icu>
Date: Wed, 8 May 2019 23:33:41 -0700
Subject: implement internal tokeniser

---
 src/err.h | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 src/err.h

(limited to 'src/err.h')

diff --git a/src/err.h b/src/err.h
new file mode 100644
index 0000000..3d3262f
--- /dev/null
+++ b/src/err.h
@@ -0,0 +1,27 @@
+#ifndef CONFCONF_ERR_H
+#define CONFCONF_ERR_H
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#define ERR(...) \
+	do { \
+		fprintf(stderr, "error: " __VA_ARGS__); \
+		fprintf(stderr, "\n"); \
+		exit(EXIT_FAILURE); \
+	} while (0)
+
+#define TRY(cond, ...) \
+	do { \
+		if (!(cond)) { \
+			ERR(__VA_ARGS__); \
+		} \
+	} while (0)
+
+#define TRYALLOC(dest, count) \
+	do { \
+		(dest) = malloc((count) * sizeof(*(dest))); \
+		TRY((dest) != NULL, "could not allocate memory"); \
+	} while (0)
+
+#endif
-- 
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