fe8b4a58f7
Zint is a C library for encoding data in several barcode variants. The bundled command-line utility provides a simple interface to the library. Features of the library: - Over 50 symbologies including all ISO/IEC standards, like QR codes. - Unicode translation for symbologies which support Latin-1 and Kanji character sets. [...] from Kirill Bychkov (MAINTAINER) with tweaks by me and sthen@ ok sthen@
18 lines
749 B
Plaintext
18 lines
749 B
Plaintext
$OpenBSD: patch-backend_common_c,v 1.1.1.1 2011/12/23 15:08:07 jasper Exp $
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--- backend/common.c.orig Mon May 16 21:12:46 2011
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+++ backend/common.c Mon Nov 14 20:01:43 2011
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@@ -127,6 +127,13 @@ void lookup(char set_string[], char *table[], char dat
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int module_is_set(struct zint_symbol *symbol, int y_coord, int x_coord)
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{
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+ /* be sure you have y_coord <= ZINT_ROWS_MAX or (x_coord/7) <= ZINT_COLS_MAX
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+ without this you will have coredump, be sure module_is_set(symbol, this_row, i + block_width) != module_is_set(symbol, this_row, i) */
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+ if(y_coord > ZINT_ROWS_MAX)
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+ return y_coord;
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+ if((x_coord/7) > ZINT_COLS_MAX)
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+ return x_coord;
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+
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return (symbol->encoded_data[y_coord][x_coord / 7] >> (x_coord % 7)) & 1;
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#if 0
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switch(x_sub) {
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