enum argpar_iter_next_status: assign negative integral values to errors

[argpar.git] / argpar / argpar.h

diff --git a/argpar/argpar.h b/argpar/argpar.h
index 3cd437fa043d68390a933f4f4c1e99912935027f..3340d90f593031756a6e8d80f5a704ddff6f89a1 100644 (file)
--- a/argpar/argpar.h
+++ b/argpar/argpar.h
@@ -593,6 +593,8 @@ void argpar_iter_destroy(struct argpar_iter *iter);
 /*!
 @brief
     Return type of argpar_iter_next().
 /*!
 @brief
     Return type of argpar_iter_next().

+
+Error status enumerators have a negative value.

 */
 enum argpar_iter_next_status {
        /// Success
 */
 enum argpar_iter_next_status {
        /// Success


@@ -602,16 +604,16 @@ enum argpar_iter_next_status {
        ARGPAR_ITER_NEXT_STATUS_END,
 
        /// Unknown option error
        ARGPAR_ITER_NEXT_STATUS_END,
 
        /// Unknown option error

-       ARGPAR_ITER_NEXT_STATUS_ERROR_UNKNOWN_OPT,
+       ARGPAR_ITER_NEXT_STATUS_ERROR_UNKNOWN_OPT = -1,

 
        /// Missing option argument error
 
        /// Missing option argument error

-       ARGPAR_ITER_NEXT_STATUS_ERROR_MISSING_OPT_ARG,
+       ARGPAR_ITER_NEXT_STATUS_ERROR_MISSING_OPT_ARG = -2,

 
        /// Unexpected option argument error
 
        /// Unexpected option argument error

-       ARGPAR_ITER_NEXT_STATUS_ERROR_UNEXPECTED_OPT_ARG,
+       ARGPAR_ITER_NEXT_STATUS_ERROR_UNEXPECTED_OPT_ARG = -3,

 
        /// Memory error
 
        /// Memory error

-       ARGPAR_ITER_NEXT_STATUS_ERROR_MEMORY,
+       ARGPAR_ITER_NEXT_STATUS_ERROR_MEMORY = -12,

 };
 
 /*!
 };
 
 /*!