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QRCODE: fix out-of-bounds crash due to incorrect mode costings for

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GS1 percents in `qr_in_alpha()`, ticket #300, props Andre Maute;
  also defensively re-calc version 40 mode to prevent possible
  further crashes
common: move `debug_print_escape()` from library to common
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gitlost
2023-11-30 09:12:11 +00:00
parent db92c7de57
commit 888db0bf00
13 changed files with 445 additions and 205 deletions
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backend/common.h
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@@ -272,6 +272,8 @@ INTERNAL void segs_cpy(const struct zint_symbol *symbol, const struct zint_seg s
struct zint_seg local_segs[]);
INTERNAL char *debug_print_escape(const unsigned char *source, const int first_len, char *buf);
#ifdef ZINT_TEST
/* Dumps hex-formatted codewords in symbol->errtxt (for use in testing) */
INTERNAL void debug_test_codeword_dump(struct zint_symbol *symbol, const unsigned char *codewords, const int length);