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[kandinsky] Add safeguards in the rasterizer

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Romain Goyet
2019-05-27 11:17:13 +02:00
committed by Léa Saviot
parent 18df391e5e
commit 0cd5032a3a
1 changed files with 3 additions and 2 deletions
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5
kandinsky/fonts/rasterizer.c
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@@ -192,6 +192,7 @@ int main(int argc, char * argv[]) {
int greyscaleBitsPerPixel = 4;
int sizeOfUncompressedGlyphBuffer = glyph_width * glyph_height * greyscaleBitsPerPixel/8;
ENSURE(8*sizeOfUncompressedGlyphBuffer == glyph_width * glyph_height * greyscaleBitsPerPixel, "Error: the glyph size (%dx%d@%dbpp) cannot fit in an integral number of bytes", glyph_width, glyph_height, greyscaleBitsPerPixel);
uint8_t * uncompressedGlyphBuffer = (uint8_t *)malloc(sizeOfUncompressedGlyphBuffer);
uint16_t glyphDataOffset[NumberOfCodePoints+1];
@@ -218,8 +219,8 @@ int main(int argc, char * argv[]) {
}
}
}
ENSURE(accumulator == 0, "Discarded accumulator data");
ENSURE(numberOfValuesAccumulated == 0, "Discarded accumulator data");
ENSURE(accumulator == 0, "Discarded accumulator data (accumulator = %d)", accumulator);
ENSURE(numberOfValuesAccumulated == 0, "Discarded accumulator data (numberOfValuesAccumulated = %d)", numberOfValuesAccumulated);
ENSURE(uncompressedGlyphBufferIndex == sizeOfUncompressedGlyphBuffer, "Error filling uncompressed buffer, only %d out of %d", uncompressedGlyphBufferIndex, sizeOfUncompressedGlyphBuffer);
int sizeOfCompressedGlyphBuffer = LZ4_compress_HC(