From: Markos Chandras <markos.chand...@imgtec.com> Signed-off-by: Markos Chandras <markos.chand...@imgtec.com> --- include/unistd.h | 1 + libc/sysdeps/linux/common/stubs.c | 2 +- libc/sysdeps/linux/common/symlink.c | 16 ++++++++++++++-- libc/sysdeps/linux/common/symlinkat.c | 1 + 4 files changed, 17 insertions(+), 3 deletions(-)
diff --git a/include/unistd.h b/include/unistd.h index 57fd96e..ff39c63 100644 --- a/include/unistd.h +++ b/include/unistd.h @@ -901,6 +901,7 @@ libc_hidden_proto(readlink) /* Like symlink but a relative path in TO is interpreted relative to TOFD. */ extern int symlinkat (const char *__from, int __tofd, const char *__to) __THROW __nonnull ((1, 3)) __wur; +libc_hidden_proto(symlinkat) /* Like readlink but a relative PATH is interpreted relative to FD. */ extern ssize_t readlinkat (int __fd, const char *__restrict __path, diff --git a/libc/sysdeps/linux/common/stubs.c b/libc/sysdeps/linux/common/stubs.c index 1fc2393..c19ce8f 100644 --- a/libc/sysdeps/linux/common/stubs.c +++ b/libc/sysdeps/linux/common/stubs.c @@ -403,7 +403,7 @@ make_stub(swapoff) make_stub(swapon) #endif -#ifndef __NR_symlink +#if !defined(__NR_symlink) && !defined(__NR_symlinkat) make_stub(symlink) #endif diff --git a/libc/sysdeps/linux/common/symlink.c b/libc/sysdeps/linux/common/symlink.c index 15a576d..d6c5589 100644 --- a/libc/sysdeps/linux/common/symlink.c +++ b/libc/sysdeps/linux/common/symlink.c @@ -8,8 +8,20 @@ */ #include <sys/syscall.h> +#if defined __USE_BSD || defined __USE_UNIX98 || defined __USE_XOPEN2K +#include <fcntl.h> +#include <unistd.h> + +#if defined(__NR_symlinkat) && !defined(__NR_symlink) +int symlink(const char *oldpath, const char *newpath) +{ + return symlinkat(oldpath, AT_FDCWD, newpath); +} + +#elif defined(__NR_symlink) -#if defined __NR_symlink && (defined __USE_BSD || defined __USE_UNIX98 || defined __USE_XOPEN2K) -# include <unistd.h> _syscall2(int, symlink, const char *, oldpath, const char *, newpath) + +#endif + #endif diff --git a/libc/sysdeps/linux/common/symlinkat.c b/libc/sysdeps/linux/common/symlinkat.c index 6381b33..9181581 100644 --- a/libc/sysdeps/linux/common/symlinkat.c +++ b/libc/sysdeps/linux/common/symlinkat.c @@ -11,6 +11,7 @@ #ifdef __NR_symlinkat _syscall3(int, symlinkat, const char *, from, int, tofd, const char *, to) +libc_hidden_def(symlinkat) #else /* should add emulation with symlink() and /proc/self/fd/ ... */ #endif -- 1.8.1.1 _______________________________________________ uClibc mailing list uClibc@uclibc.org http://lists.busybox.net/mailman/listinfo/uclibc