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Use 'unsigned char' instead of 'char' in many places, to reduce casts.

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This commit is contained in:
Bruno Haible
2002-12-16 14:40:19 +00:00
parent ebc7fe6188
commit 21cd7bfd24
10 changed files with 186 additions and 85 deletions
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8
lib/hash.cc
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@@ -1,6 +1,6 @@
/*
Copyright (C) 1990, 2000 Free Software Foundation
written by Doug Lea (dl@rocky.oswego.edu)
Copyright (C) 1990, 2000, 2002 Free Software Foundation
written by Doug Lea <dl@rocky.oswego.edu>
*/
#include <hash.h>
@@ -12,14 +12,14 @@ Copyright (C) 1990, 2000 Free Software Foundation
*/
unsigned int
hashpjw (const char *x, unsigned int len) // From Dragon book, p436
hashpjw (const unsigned char *x, unsigned int len) // From Dragon book, p436
{
unsigned int h = 0;
unsigned int g;
for (; len > 0; len--)
{
h = (h << 4) + (unsigned char) *x++;
h = (h << 4) + *x++;
if ((g = h & 0xf0000000) != 0)
h = (h ^ (g >> 24)) ^ g;
}