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Diffstat (limited to 'backend/large.h')
-rw-r--r-- | backend/large.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/backend/large.h b/backend/large.h new file mode 100644 index 0000000..74f9a61 --- /dev/null +++ b/backend/large.h @@ -0,0 +1,51 @@ +/* large.h - Handles binary manipulation of large numbers */ + +/* + libzint - the open source barcode library + Copyright (C) 2008 Robin Stuart <robin@zint.org.uk> + + 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. +*/ +#ifndef __LARGE_H +#define __LARGE_H + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +extern void binary_load(short int reg[], char data[], const unsigned int src_len); +extern void binary_add(short int accumulator[], short int input_buffer[]); +extern void binary_subtract(short int accumulator[], short int input_buffer[]); +extern void shiftdown(short int buffer[]); +extern void shiftup(short int buffer[]); +extern short int islarger(short int accum[], short int reg[]); +extern void hex_dump(short int input_buffer[]); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* __LARGE_H */ |