shithub: riscv

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flate: fix wrong adler32() length calculation (thanks qrstuv)

--- a/sys/src/libflate/inflatezlibblock.c

+++ b/sys/src/libflate/inflatezlibblock.c

@@ -61,7 +61,7 @@

 	if(ok != FlateOk)

 		return ok;

-	if(adler32(1, dst, bs.pos - dst) != ((bs.pos[0] << 24) | (bs.pos[1] << 16) | (bs.pos[2] << 8) | bs.pos[3]))

+	if(adler32(1, dst, bd.pos - dst) != ((bs.pos[0] << 24) | (bs.pos[1] << 16) | (bs.pos[2] << 8) | bs.pos[3]))

 		return FlateCorrupted;

 	return bd.pos - dst;