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btrfs-progs: use strncpy in is_same_blk_file

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Although we're getting strings from the caller, let's be safe.

Resolves-coverity-id: 1199475
Signed-off-by: David Sterba <dsterba@suse.cz>
This commit is contained in:
David Sterba 2015-01-03 03:10:55 +01:00
parent fd1e9ad6a8
commit 190e916dfc
1 changed files with 3 additions and 3 deletions
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6
utils.c
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@ -1005,11 +1005,11 @@ static int is_same_blk_file(const char* a, const char* b)
char real_a[PATH_MAX];
char real_b[PATH_MAX];
if(!realpath(a, real_a))
strcpy(real_a, a);
if (!realpath(a, real_a))
strncpy_null(real_a, a);
if (!realpath(b, real_b))
strcpy(real_b, b);
strncpy_null(real_b, b);
/* Identical path? */
if(strcmp(real_a, real_b) == 0)