started to add generic error messages, not sure if that's a very good idea

1 files changed, 13 insertions, 0 deletions

diff --git a/include/wolf/errors.h b/include/wolf/errors.h
index c53119f..0b14356 100644
--- a/include/wolf/errors.h
+++ b/include/wolf/errors.h
@@ -33,6 +33,8 @@
 extern "C" {
 #endif
 
+#include <sys/types.h>            /* for size_t */
+
 /**
  * @brief Possible error codes of the various libwolf libraries.
  */
@@ -47,6 +49,17 @@ typedef enum {
 	WOLF_ERR_TIMEOUT	= -7	/**< timeout */
 } wolf_error_t;
 
+/**
+ * Converts the last error into a human readable message.
+ *
+ * @param error     the error to retrieve the textual representation for
+ * @param buf       the buffer which will hold the error message
+ * @param buflen    the size of the buffer
+ *
+ * @returns         a pointer to buf for convenience
+ */
+char *wolf_error_msg( const wolf_error_t error, char *buf, size_t buflen );
+
 #ifdef __cplusplus
 }
 #endif