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vfs_path_get_by_index(): added check for valid element index

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Signed-off-by: Slava Zanko <slavazanko@gmail.com>
This commit is contained in:
Slava Zanko 2011-06-19 14:42:15 +03:00
parent 5fa1070225
commit 91fe0d71bb
1 changed files with 6 additions and 1 deletions
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7
lib/vfs/path.c
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@ -683,14 +683,19 @@ vfs_path_elements_count (const vfs_path_t * vpath)
vfs_path_element_t *
vfs_path_get_by_index (const vfs_path_t * vpath, int element_index)
{
vfs_path_element_t *element;
if (vpath == NULL)
return NULL;
if (element_index < 0)
element_index = vfs_path_elements_count (vpath) + element_index;
return g_list_nth_data (vpath->path, element_index);
element = g_list_nth_data (vpath->path, element_index);
if (element == NULL)
vfs_die ("vfs_path_get_by_index: incorrect index!");
return element;
}
/* --------------------------------------------------------------------------------------------- */