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QR-Code-generator
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Added local variables to a C function to shorten code width.

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Project Nayuki 2017-05-06 11:35:44 +00:00
parent 73b05e36fb
commit c99bb61f41
1 changed files with 3 additions and 2 deletions
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5
c/qrcodegen.c
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@ -386,8 +386,9 @@ static void appendErrorCorrection(uint8_t data[], int version, enum qrcodegen_Ec
// Returns the number of 8-bit codewords that can be used for storing data (not ECC), // Returns the number of 8-bit codewords that can be used for storing data (not ECC),
// for the given version number and error correction level. The result is in the range [9, 2956]. // for the given version number and error correction level. The result is in the range [9, 2956].
testable int getNumDataCodewords(int version, enum qrcodegen_Ecc ecl) { testable int getNumDataCodewords(int version, enum qrcodegen_Ecc ecl) {
assert(0 <= (int)ecl && (int)ecl < 4 && qrcodegen_VERSION_MIN <= version && version <= qrcodegen_VERSION_MAX); int v = version, e = (int)ecl;
return getNumRawDataModules(version) / 8 - ECC_CODEWORDS_PER_BLOCK[(int)ecl][version] * NUM_ERROR_CORRECTION_BLOCKS[(int)ecl][version]; assert(0 <= e && e < 4 && qrcodegen_VERSION_MIN <= v && v <= qrcodegen_VERSION_MAX);
return getNumRawDataModules(v) / 8 - ECC_CODEWORDS_PER_BLOCK[e][v] * NUM_ERROR_CORRECTION_BLOCKS[e][v];
} }