RTEMS 4.10.1 On-Line Library
Files and Directories Manager symlink - Creates a symbolic link to a file
RTEMS POSIX API User's Guide
4.4.14: symlink - Creates a symbolic link to a file
CALLING SEQUENCE:
-
#include <unistd.h>
int symlink(
const char *topath,
const char *frompath
);
STATUS CODES:
- EACCES
-
Search permission is denied for a directory in a file's path prefix
- EEXIST
-
The named file already exists.
- ENAMETOOLONG
-
Length of a filename string exceeds PATH_MAX and _POSIX_NO_TRUNC is in
effect.
- ENOENT
-
A file or directory does not exist.
- ENOSPC
-
No space left on disk.
- ENOTDIR
-
A component of the specified pathname was not a directory when a directory
was expected.
- EPERM
-
Operation is not permitted. Process does not have the appropriate priviledges
or permissions to perform the requested operations.
- EROFS
-
Read-only file system.
DESCRIPTION:
The symlink()
function creates a symbolic link from the frombath to the
topath. The symbolic link will be interpreted at run-time.
If the symlink()
function fails, no directories are modified.
The caller may (or may not) need permission to access the existing file.
NOTES:
NONE
RTEMS POSIX API User's Guide
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