lint_hyphen.c File Reference

Purpose

The hyphen linter ensures that the given data contains only hyphens.

Functional Description

gs1_lint_hyphen()

GS1_SYNTAX_DICTIONARY_API gs1_lint_err_t gs1_lint_hyphen	(	const char *const	data,
		size_t	data_len,
		size_t *const	err_pos,
		size_t *const	err_len
	)

Used to validate that an AI component contains only hyphens.

Parameters

[in]	data	Pointer to the data to be linted. Must not be NULL.
[in]	data_len	Length of the data to be linted.
[out]	err_pos	To facilitate error highlighting, the start position of the bad data is written to this pointer, if not NULL.
[out]	err_len	The length of the bad data is written to this pointer, if not NULL.

Returns

GS1_LINTER_OK if okay.

GS1_LINTER_NOT_HYPHEN if the data contains a non-hyphen character.

{
 
        size_t pos;
 
        assert(data);
 
        if (GS1_LINTER_UNLIKELY(data_len == 0))
                GS1_LINTER_RETURN_ERROR(
                        GS1_LINTER_NOT_HYPHEN,
                        0,
                        0
                );
 
        for (pos = 0; pos < data_len; pos++)
                if (GS1_LINTER_UNLIKELY(data[pos] != '-')) {
                        GS1_LINTER_RETURN_ERROR(
                                GS1_LINTER_NOT_HYPHEN,
                                0,
                                data_len
                        );
                }
 
        GS1_LINTER_RETURN_OK;
 
}