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authorAkira TAGOH <akira@tagoh.org>2013-06-27 12:30:56 +0900
committerAkira TAGOH <akira@tagoh.org>2013-06-27 12:30:56 +0900
commit8603e5869505ff06d443b8b22d5357d4caaaac24 (patch)
tree4f92626eb05a7e5a61b6ef0b4f23ba87c6901191 /src/fchash.c
parent9acc14c34a372b54f9075ec3611588298fb2a501 (diff)
downloadfontconfig-8603e5869505ff06d443b8b22d5357d4caaaac24.tar.gz
Fix a shift count overflow on 32bit box
Diffstat (limited to 'src/fchash.c')
-rw-r--r--src/fchash.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/src/fchash.c b/src/fchash.c
index 92585a6..7216bee 100644
--- a/src/fchash.c
+++ b/src/fchash.c
@@ -190,14 +190,14 @@ FcHashGetSHA256Digest (const FcChar8 *input_strings,
}
/* set input size at the end */
len *= 8;
- block[63 - 0] = len & 0xff;
- block[63 - 1] = (len >> 8) & 0xff;
- block[63 - 2] = (len >> 16) & 0xff;
- block[63 - 3] = (len >> 24) & 0xff;
- block[63 - 4] = (len >> 32) & 0xff;
- block[63 - 5] = (len >> 40) & 0xff;
- block[63 - 6] = (len >> 48) & 0xff;
- block[63 - 7] = (len >> 56) & 0xff;
+ block[63 - 0] = (uint64_t)len & 0xff;
+ block[63 - 1] = ((uint64_t)len >> 8) & 0xff;
+ block[63 - 2] = ((uint64_t)len >> 16) & 0xff;
+ block[63 - 3] = ((uint64_t)len >> 24) & 0xff;
+ block[63 - 4] = ((uint64_t)len >> 32) & 0xff;
+ block[63 - 5] = ((uint64_t)len >> 40) & 0xff;
+ block[63 - 6] = ((uint64_t)len >> 48) & 0xff;
+ block[63 - 7] = ((uint64_t)len >> 56) & 0xff;
FcHashComputeSHA256Digest (ret, block);
return FcHashSHA256ToString (ret);
@@ -226,7 +226,7 @@ FcHashGetSHA256DigestFromFile (const FcChar8 *filename)
{
if ((len = fread (ibuf, sizeof (char), 64, fp)) < 64)
{
- long v;
+ uint64_t v;
/* add a padding */
memset (&ibuf[len], 0, 64 - len);
@@ -281,7 +281,7 @@ FcHashGetSHA256DigestFromMemory (const char *fontdata,
{
if ((length - i) < 64)
{
- long v;
+ uint64_t v;
size_t n;
/* add a padding */