diff options
| author | Markos Chandras <markos.chandras@imgtec.com> | 2012-10-10 15:17:10 +0100 |
|---|---|---|
| committer | Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> | 2013-02-20 13:45:11 +0100 |
| commit | 3a5be53a84ac68255fbcecb73b8fe58a35550c26 (patch) | |
| tree | b7bc2eb2508b2f03691d1570127c6a7f9fdfa615 | |
| parent | ecb2be2c0a2f9c489663a4b01b97074dda2ceb1e (diff) | |
rename: Use renameat if arch does not have the rename syscall
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
| -rw-r--r-- | include/stdio.h | 1 | ||||
| -rw-r--r-- | libc/sysdeps/linux/common/rename.c | 9 | ||||
| -rw-r--r-- | libc/sysdeps/linux/common/renameat.c | 1 |
3 files changed, 11 insertions, 0 deletions
diff --git a/include/stdio.h b/include/stdio.h index 381ca5f02..e0006d2e7 100644 --- a/include/stdio.h +++ b/include/stdio.h @@ -151,6 +151,7 @@ __END_NAMESPACE_STD /* Rename file OLD relative to OLDFD to NEW relative to NEWFD. */ extern int renameat (int __oldfd, const char *__old, int __newfd, const char *__new) __THROW; +libc_hidden_proto(renameat) #endif __BEGIN_NAMESPACE_STD diff --git a/libc/sysdeps/linux/common/rename.c b/libc/sysdeps/linux/common/rename.c index 6183cf494..3ce5a5e3e 100644 --- a/libc/sysdeps/linux/common/rename.c +++ b/libc/sysdeps/linux/common/rename.c @@ -9,5 +9,14 @@ #include <sys/syscall.h> #include <stdio.h> +#include <unistd.h> +#if defined __NR_renameat && !defined __NR_rename +# include <fcntl.h> +int rename(const char *oldpath, const char *newpath) +{ + return renameat(AT_FDCWD, oldpath, AT_FDCWD, newpath); +} +#else _syscall2(int, rename, const char *, oldpath, const char *, newpath) +#endif diff --git a/libc/sysdeps/linux/common/renameat.c b/libc/sysdeps/linux/common/renameat.c index a898f7b86..b0b91fa3e 100644 --- a/libc/sysdeps/linux/common/renameat.c +++ b/libc/sysdeps/linux/common/renameat.c @@ -11,6 +11,7 @@ #ifdef __NR_renameat _syscall4(int, renameat, int, oldfd, const char *, old, int, newfd, const char *, new) +libc_hidden_def(renameat) #else /* should add emulation with rename() and /proc/self/fd/ ... */ #endif |