NAME
gfs_realpath - resolve pathname in Gfarm filesystem
SYNOPSIS
#include <gfarm/gfarm.h>
char *gfs_realpath (const char * gfarm_url, char ** resolved_pathp);
DESCRIPTION
gfs_realpath expands a home directory '~' and resolves references to '.', '..' and extra '/' characters in the null terminated string pointed to by gfarm_url and stores the canonicalized absolute pathname to dynamically allocated memory space whose pointer is returned to resolved_pathp. It will be necessary to free the dynamically allocated memory space pointed to by resolved_pathp.
RETURN VALUES
- NULL
-
The function terminated successfully.
- GFARM_ERR_NO_MEMORY
-
Insufficient memory was available.
- GFARM_ERR_NOT_A_DIRECTORY
-
A component of the path prefix is not a directory.
- GFARM_ERR_INVALID_ARGUMENT
-
gfarm_url is NULL.
- GFARM_ERR_PERMISSION_DENIED
-
gfarm_url points outside your accessible address space.
- GFARM_ERR_NO_SUCH_OBJECT
-
gfarm_url does not exist.
- Others
-
An error except the above occurred. The reason is shown by its pointed strings.