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authorRuss Cox <rsc@swtch.com>2010-02-07 16:51:28 -0800
committerRuss Cox <rsc@swtch.com>2010-02-07 16:51:28 -0800
commit9a054520852368c0a0d179bedfce60776587a645 (patch)
tree7e81f14ee45eb81ebbfbbd49e119d7f6ee7086c3 /src/cmd/jpg
parent28afa898ee3281afde739c9a09e59264680756ae (diff)
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make flate crc32 work when ulong is 64 bits
R=, rsc CC= http://codereview.appspot.com/203061
Diffstat (limited to 'src/cmd/jpg')
-rw-r--r--src/cmd/jpg/readpng.c6
-rw-r--r--src/cmd/jpg/writepng.c6
2 files changed, 6 insertions, 6 deletions
diff --git a/src/cmd/jpg/readpng.c b/src/cmd/jpg/readpng.c
index 2985c5ff..5fdbc1db 100644
--- a/src/cmd/jpg/readpng.c
+++ b/src/cmd/jpg/readpng.c
@@ -44,11 +44,11 @@ typedef struct ZlibR{
ZlibW *w;
} ZlibR;
-static ulong *crctab;
+static uint32 *crctab;
static uchar PNGmagic[] = {137,80,78,71,13,10,26,10};
static char memerr[] = "ReadPNG: malloc failed: %r";
-static ulong
+static uint32
get4(uchar *a)
{
return (a[0]<<24) | (a[1]<<16) | (a[2]<<8) | a[3];
@@ -87,7 +87,7 @@ static int
getchunk(Biobuf *b, char *type, uchar *d, int m)
{
uchar buf[8];
- ulong crc = 0, crc2;
+ uint32 crc = 0, crc2;
int n, nr;
if(Bread(b, buf, 8) != 8)
diff --git a/src/cmd/jpg/writepng.c b/src/cmd/jpg/writepng.c
index 3b63bb7f..76835e01 100644
--- a/src/cmd/jpg/writepng.c
+++ b/src/cmd/jpg/writepng.c
@@ -31,11 +31,11 @@ typedef struct ZlibW{
uchar *e; /* past end of buf */
} ZlibW;
-static ulong *crctab;
+static uint32 *crctab;
static uchar PNGmagic[] = {137,80,78,71,13,10,26,10};
static void
-put4(uchar *a, ulong v)
+put4(uchar *a, uint32 v)
{
a[0] = v>>24;
a[1] = v>>16;
@@ -47,7 +47,7 @@ static void
chunk(Biobuf *bo, char *type, uchar *d, int n)
{
uchar buf[4];
- ulong crc = 0;
+ uint32 crc = 0;
if(strlen(type) != 4)
return;