NAME
symlinkat - create a symbolic link relative to a directory file descriptor SYNOPSIS
#include
/* Definition of AT* constants */ #include
int symlinkat(const char *oldpath, int newdirfd, const char *newpath); Feature Test Macro Requirements for glibc (see featuretestmacros(7)): symlinkat(): Since glibc 2.10: XOPENSOURCE >= 700 || POSIXCSOURCE >= 200809L Before glibc 2.10: ATFILESOURCE DESCRIPTION The symlinkat() system call operates in exactly the same way as sym‐ link(2), except for the differences described in this manual page. If the pathname given in newpath is relative, then it is interpreted relative to the directory referred to by the file descriptor newdirfd (rather than relative to the current working directory of the calling process, as is done by symlink(2) for a relative pathname). If newpath is relative and newdirfd is the special value ATFDCWD, then newpath is interpreted relative to the current working directory of the calling process (like symlink(2)). If newpath is absolute, then newdirfd is ignored. RETURN VALUE On success, symlinkat() returns 0. On error, -1 is returned and errno is set to indicate the error. ERRORS The same errors that occur for symlink(2) can also occur for sym‐ linkat(). The following additional errors can occur for symlinkat(): EBADF newdirfd is not a valid file descriptor. ENOTDIR newpath is relative and newdirfd is a file descriptor referring to a file other than a directory. VERSIONS symlinkat() was added to Linux in kernel 2.6.16; library support was added to glibc in version 2.4. CONFORMING TO
POSIX.1-2008. NOTES See openat(2) for an explanation of the need for symlinkat(). SEE ALSO openat(2), symlink(2), pathresolution(7), symlink(7) COLOPHON
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Linux 2012-05-04 SYMLINKAT(2)