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Expand symbol memory to allow biggest Han Xin without crashing

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This commit is contained in:
Robin Stuart
2016-08-21 21:58:38 +01:00
parent fd368ba8bf
commit eedb4c638a
2 changed files with 3 additions and 3 deletions
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2
backend/dotcode.c
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@@ -1083,7 +1083,7 @@ int dotcode(struct zint_symbol *symbol, unsigned char source[], int length) {
}
}
if ((height > 177) || (width > 177)) {
if ((height > 200) || (width > 200)) {
strcpy(symbol->errtxt, "Specified symbol size is too large");
return ZINT_ERROR_INVALID_OPTION;
}

4
backend/zint.h
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@@ -87,8 +87,8 @@ extern "C" {
int rows;
int width;
char primary[128];
unsigned char encoded_data[178][143];
int row_height[178]; /* Largest symbol is 177x177 QR Code */
unsigned char encoded_data[200][143];
int row_height[200]; /* Largest symbol is 189 x 189 Han Xin */
char errtxt[100];
char *bitmap;
int bitmap_width;