#include <common/argpar/argpar.h>
#include <common/string-utils/format.h>
+#define WHILE_PARSING_ARG_N_ARG_FMT "While parsing argument #%d (`%s`): "
+
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_ERROR_MEMORY = -2,
};
/*
* On error, print a descriptive error message and return
* PARSE_NEXT_ITEM_STATUS_ERROR. If `context_fmt` is non-NULL, it is formatted
* using the following arguments and prepended to the error message.
+ * Add `argc_offset` to the argument index mentioned in the error message.
*
* 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(5, 6)
+ATTR_FORMAT_PRINTF(7, 8)
enum parse_next_item_status parse_next_item(struct argpar_iter *iter,
- const struct argpar_item **item, const char **argv,
- bool unknown_opt_is_error, const char *context_fmt, ...);
+ 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
}