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Code Issues Releases Activity

find_zero_tail: fix last bytes check

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Yura Sokolov
2022-10-24 16:52:38 +03:00
parent b568f2254a
commit 202f2ade7f
1 changed files with 3 additions and 3 deletions
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src/utils/file.c
+3 -3
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@@ -2649,9 +2649,9 @@ find_zero_tail(char *buf, size_t len)
return 0;
/* fast check for last bytes */
i = (len-1) & ~(PAGE_ZEROSEARCH_FINE_GRANULARITY-1);
l = len - i;
if (memcmp(buf + i, zerobuf, i) != 0)
l = Min(len, PAGE_ZEROSEARCH_FINE_GRANULARITY);
i = len - l;
if (memcmp(buf + i, zerobuf, l) != 0)
return len;
/* coarse search for zero tail */