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mirror of https://github.com/woo-j/zint.git synced 2024-12-25 09:33:56 +03:00
zint/backend/gs1.h
gitlost 52c00e59ba C25/DBAR: use new func gs1_check_digit() for common GS1 check digit calc
CODE11/CODE39/EXCODE39/CODE93/PZN/CHANNEL/VIN/DBAR/UPCEAN: fuller error messages
DATAMATRIX: look_ahead_test debug counts
DBAR: consolidate option_2 cols_per_row
CMakeLists.txt: restore -fno-var-tracking-assignments for gcc no DEBUG
overall: suppress various warnings on various configs
testcommon.c: clean-up
2021-06-27 11:47:55 +01:00

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2.0 KiB
C

/* gs1.h - Verifies GS1 data */
/*
libzint - the open source barcode library
Copyright (C) 2009 - 2020 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of the project nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
*/
/* vim: set ts=4 sw=4 et : */
#ifndef __GS1_H
#define __GS1_H
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
INTERNAL int gs1_verify(struct zint_symbol *symbol, const unsigned char source[], const int src_len,
unsigned char reduced[]);
INTERNAL char gs1_check_digit(const unsigned char source[], const int src_len);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GS1_H */