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Replace getorder() by ffsl()

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Arun Prakash Jana 2017-12-25 23:27:37 +05:30
parent cd177086ca
commit 9b72fcba03
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GPG key ID: A75979F35C080412
1 changed files with 2 additions and 18 deletions
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nnn.c
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@ -1609,22 +1609,6 @@ show_stats(char *fpath, char *fname, struct stat *sb)
return 0; return 0;
} }
/*
* Get the order of 2 for this size
* In brief - return the number of trailing zeroes
*/
static int
getorder(size_t size)
{
static int count, mask;
for (mask = 1, count = 0; count < 32; mask <<= 1, ++count)
if ((size & mask) != 0)
return count;
return 32;
}
static size_t static size_t
get_fs_free(const char *path) get_fs_free(const char *path)
{ {
@ -1633,7 +1617,7 @@ get_fs_free(const char *path)
if (statvfs(path, &svb) == -1) if (statvfs(path, &svb) == -1)
return 0; return 0;
else else
return svb.f_bavail << getorder(svb.f_frsize); return svb.f_bavail << (ffsl(svb.f_frsize) - 1);
} }
static size_t static size_t
@ -1644,7 +1628,7 @@ get_fs_capacity(const char *path)
if (statvfs(path, &svb) == -1) if (statvfs(path, &svb) == -1)
return 0; return 0;
else else
return svb.f_blocks << getorder(svb.f_bsize); return svb.f_blocks << (ffsl(svb.f_bsize) - 1);
} }
static int static int