From 6b9b845dfdd21f8aca771c5b3d151cc1b93de14c Mon Sep 17 00:00:00 2001
From: Thomas Schmucker <ts@its1.de>
Date: Sat, 3 Oct 2020 11:04:18 +0200
Subject: erste mögliche Implementierung...
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---
 csv.h | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/csv.h b/csv.h
index 9ac7c05..beb82ff 100644
--- a/csv.h
+++ b/csv.h
@@ -7,12 +7,16 @@
 extern "C" {
 #endif
 
+#ifndef CSV_ERR_START_CODE
+#	define CSV_ERR_START_CODE 0
+#endif
+
 typedef enum {
 	CSV_ERR_OK            = 0,
-	CSV_ERR_OUT_OF_MEMORY = -1,
-	CSV_ERR_OUT_OF_RANGE  = -2,
-	CSV_ERR_IO_READ       = -3,
-	CSV_ERR_IO_WRITE      = -4
+	CSV_ERR_OUT_OF_MEMORY = -(CSV_ERR_START_CODE + 1),
+	CSV_ERR_OUT_OF_RANGE  = -(CSV_ERR_START_CODE + 2),
+	CSV_ERR_IO_READ       = -(CSV_ERR_START_CODE + 3),
+	CSV_ERR_IO_WRITE      = -(CSV_ERR_START_CODE + 4)
 } csv_err_t;
 
 typedef struct {
-- 
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