FreeChainXenon/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

re PR other/54620 (sha1.c has incorrect math if sizeof(size_t) is 8)

Browse source 
PR other/54620
	* sha1.c (sha1_process_block):  Handle case that size_t is
	a wider-integer-scalar as a 32-bit unsigned integer.

From-SVN: r195604
This commit is contained in:
Kai Tietz 2013-01-31 09:17:58 +01:00
parent 4cfc6e54ba
commit 1d77deec05
1 changed files with 1 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
libiberty/sha1.c
View file

@ -300,8 +300,7 @@ sha1_process_block (const void *buffer, size_t len, struct sha1_ctx *ctx)
length of the file up to 2^64 bits. Here we only compute the
number of bytes. Do a double word increment. */
ctx->total[0] += len;
if (ctx->total[0] < len)
++ctx->total[1];
ctx->total[1] += ((len >> 31) >> 1) + (ctx->total[0] < len);
#define rol(x, n) (((x) << (n)) | ((sha1_uint32) (x) >> (32 - (n))))