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(mc_chdir): clarufy setup of errno.

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This commit is contained in:
Andrew Borodin 2022-05-07 11:16:12 +03:00
parent bae8fe0af0
commit 4ceb5c5105
1 changed files with 14 additions and 2 deletions
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16
lib/vfs/interface.c
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@ -649,7 +649,8 @@ mc_ungetlocalcopy (const vfs_path_t * pathname_vpath, const vfs_path_t * local_v
/**
* VFS chdir.
*
* @param vpath VFS-path
* @param vpath VFS path.
* May be NULL. In this case NULL is returned and errno set to 0.
*
* @return 0 on success, -1 on failure.
*/
@ -664,7 +665,10 @@ mc_chdir (const vfs_path_t * vpath)
vfs_path_t *cd_vpath;
if (vpath == NULL)
{
errno = 0;
return (-1);
}
if (vpath->relative)
cd_vpath = vfs_path_to_absolute (vpath);
@ -672,9 +676,17 @@ mc_chdir (const vfs_path_t * vpath)
cd_vpath = vfs_path_clone (vpath);
path_element = vfs_path_get_by_index (cd_vpath, -1);
if (!vfs_path_element_valid (path_element) || path_element->class->chdir == NULL)
if (!vfs_path_element_valid (path_element))
{
errno = EINVAL;
goto error_end;
}
if (path_element->class->chdir == NULL)
{
errno = ENOTSUP;
goto error_end;
}
result = path_element->class->chdir (cd_vpath);
if (result == -1)