freetdm: fix ftdm error mapping to unix-style errors

diff --git a/libs/freetdm/src/include/ftdm_declare.h b/libs/freetdm/src/include/ftdm_declare.h
index 88a76930f7627170ea9f25d53c3f9fa503b8503b..b443f2d5f51fb6e5557b17376d1c46b97d57af0f 100644 (file)
--- a/libs/freetdm/src/include/ftdm_declare.h
+++ b/libs/freetdm/src/include/ftdm_declare.h
@@ -178,18 +178,20 @@ typedef int ftdm_socket_t;
 /*! \brief FreeTDM APIs possible return codes */
 typedef enum {
        FTDM_SUCCESS, /*!< Success */
-       FTDM_FAIL, /*!< Failure, generic error return code, use ftdm_channel_get_last_error or ftdm_span_get_last_error for details */
-       FTDM_MEMERR, /*!< Memory error, most likely allocation failure */
+       FTDM_FAIL, /*!< Failure, generic error return code when no more specific return code can be used */
+
+       FTDM_MEMERR, /*!< Allocation failure */
+       FTDM_ENOMEM = FTDM_MEMERR,
+
        FTDM_TIMEOUT, /*!< Operation timed out (ie: polling on a device)*/
+       FTDM_ETIMEDOUT = FTDM_TIMEOUT,
+
        FTDM_NOTIMPL, /*!< Operation not implemented */
+       FTDM_ENOSYS = FTDM_NOTIMPL, /*!< The function is not implemented */
+
        FTDM_BREAK, /*!< Request the caller to perform a break (context-dependant, ie: stop getting DNIS/ANI) */
 
        /*!< Any new return codes should try to mimc unix style error codes, no need to reinvent */
-       /* Remapping some of the codes that were before */
-       FTDM_ENOMEM = FTDM_MEMERR, /*!< Memory error */
-       FTDM_ETIMEDOUT = FTDM_TIMEOUT, /*!< Operation timedout */
-       FTDM_ENOSYS = FTDM_NOTIMPL, /*!< The function is not implemented */
-
        FTDM_EINVAL, /*!< Invalid argument */
        FTDM_ECANCELED, /*!< Operation cancelled */
        FTDM_EBUSY, /*!< Device busy */