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-rw-r--r--src/libgamma-error.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/libgamma-error.h b/src/libgamma-error.h
index a3c5387..acafacf 100644
--- a/src/libgamma-error.h
+++ b/src/libgamma-error.h
@@ -25,6 +25,12 @@
*/
#define LIBGAMMA_NO_SUCH_ADJUSTMENT_METHOD -1
+/**
+ * `errno` has be set with a standard error number
+ * to indicate the what has gone wrong
+ */
+#define LIBGAMMA_ERRNO_SET -2
+
#endif