nemunaire/waveshareteam-e-Paper
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Update GUI_BMPfile.c

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This is present in all GUI_BMPFiles.  It causes a segfault.  You don't need to multiply the index by 4, C takes care of this for you already.  The previous code will write beyond the bounds of the array.
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Simon Spooner 2019-03-27 14:04:41 -07:00 • committed by GitHub
commit 3afa0a3ad6
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2.7inch_e-paper_code/bcm2835/obj/GUI_BMPfile.c
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@ -84,7 +84,7 @@ UBYTE GUI_ReadBmp(const char *path, UWORD Xstart, UWORD Ystart)
BMPRGBQUAD bmprgbquad[bmprgbquadsize]; //palette
for(i = 0; i < bmprgbquadsize; i++){
fread(&bmprgbquad[i * 4], sizeof(BMPRGBQUAD), 1, fp);
fread(&bmprgbquad[i], sizeof(BMPRGBQUAD), 1, fp);
}
if(bmprgbquad[0].rgbBlue == 0xff && bmprgbquad[0].rgbGreen == 0xff && bmprgbquad[0].rgbRed == 0xff){
Bcolor = BLACK;