lttng: list valid condition / action names if missing or unknown

[lttng-tools.git] / src / common / argpar-utils / argpar-utils.h

diff --git a/src/common/argpar-utils/argpar-utils.h b/src/common/argpar-utils/argpar-utils.h
index 32c60c6dd7f16a85430a9bc99c73e54c07fd5052..1bdff7e19822b065e056acfe348ab34c985de1f8 100644 (file)
--- a/src/common/argpar-utils/argpar-utils.h
+++ b/src/common/argpar-utils/argpar-utils.h
@@ -25,6 +25,7 @@ enum parse_next_item_status
        PARSE_NEXT_ITEM_STATUS_OK = 0,
        PARSE_NEXT_ITEM_STATUS_END = 1,
        PARSE_NEXT_ITEM_STATUS_ERROR = -1,
        PARSE_NEXT_ITEM_STATUS_OK = 0,
        PARSE_NEXT_ITEM_STATUS_END = 1,
        PARSE_NEXT_ITEM_STATUS_ERROR = -1,

+       PARSE_NEXT_ITEM_STATUS_ERROR_MEMORY = -2,

 };
 
 /*
 };
 
 /*


@@ -45,11 +46,16 @@ enum parse_next_item_status
  *
  * If `unknown_opt_is_error` is true, an unknown option is considered an error.
  * Otherwise, it is considered as the end of the argument list.
  *
  * If `unknown_opt_is_error` is true, an unknown option is considered an error.
  * Otherwise, it is considered as the end of the argument list.

+ *
+ * If `error_out` is given and PARSE_NEXT_ITEM_STATUS_ERROR is returned, set
+ * `*error_out` to the argpar_error object corresponding to the error.  The
+ * caller must free the object with `argpar_error_destroy`.

  */
  */

-ATTR_FORMAT_PRINTF(6, 7)
+ATTR_FORMAT_PRINTF(7, 8)

 enum parse_next_item_status parse_next_item(struct argpar_iter *iter,
                const struct argpar_item **item, int argc_offset,
                const char **argv, bool unknown_opt_is_error,
 enum parse_next_item_status parse_next_item(struct argpar_iter *iter,
                const struct argpar_item **item, int argc_offset,
                const char **argv, bool unknown_opt_is_error,

+               const struct argpar_error **error_out,

                const char *context_fmt, ...);
 
 #ifdef __cplusplus
                const char *context_fmt, ...);
 
 #ifdef __cplusplus