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fix embarassing bug

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master
leitner 21 years ago
parent a9c687dec6
commit 3fd4c515ae
1 changed files with 7 additions and 7 deletions
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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 * one[len-1]. When the strings are different, byte_diff does not read
* bytes past the first difference. */ * bytes past the first difference. */
int byte_diff(const void* a, unsigned long len, const void* b) { int byte_diff(const void* a, unsigned long len, const void* b) {
register const char* s=a; register const unsigned char* s=a;
register const char* t=b; register const unsigned char* t=b;
register const char* u=t+len; register const unsigned char* u=t+len;
register int j; register int j;
j=0; j=0;
for (;;) { for (;;) {
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=(*s-*t))) break; ++s; ++t; if (t==u) break; if ((j=((unsigned int)*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=(*s-*t))) break; ++s; ++t; if (t==u) break; if ((j=((unsigned int)*s-*t))) break; ++s; ++t;
} }
return j; return j;
} }

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