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fix embarassing bug

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master
Felix von Leitner 19 years ago
parent 9bbd54a4c9
commit 8a675787a2
1 changed files with 7 additions and 7 deletions
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  1. 14
      byte/byte_diff.c

14
byte/byte_diff.c
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@ -6,16 +6,16 @@
* one[len-1]. When the strings are different, byte_diff does not read
* bytes past the first difference. */
int byte_diff(const void* a, unsigned long len, const void* b) {
register const char* s=a;
register const char* t=b;
register const char* u=t+len;
register const unsigned char* s=a;
register const unsigned char* t=b;
register const unsigned char* u=t+len;
register int j;
j=0;
for (;;) {
if (t==u) break; if ((j=(*s-*t))) break; ++s; ++t;
if (t==u) break; if ((j=(*s-*t))) break; ++s; ++t;
if (t==u) break; if ((j=(*s-*t))) break; ++s; ++t;
if (t==u) break; if ((j=(*s-*t))) break; ++s; ++t;
if (t==u) break; if ((j=((unsigned int)*s-*t))) break; ++s; ++t;
if (t==u) break; if ((j=((unsigned int)*s-*t))) break; ++s; ++t;
if (t==u) break; if ((j=((unsigned int)*s-*t))) break; ++s; ++t;
if (t==u) break; if ((j=((unsigned int)*s-*t))) break; ++s; ++t;
}
return j;
}

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