diff options
| author | Markos Chandras <markos.chandras@imgtec.com> | 2012-10-10 13:41:18 +0100 |
|---|---|---|
| committer | Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> | 2013-02-20 13:45:10 +0100 |
| commit | 82cab378652c1d1601545a80b7241090c55b1e37 (patch) | |
| tree | 143e4fc0ab6bd13a76378674ee9bea90e89de471 | |
| parent | 90accddebef0cf967e67c9d2412082a361d9f2bd (diff) | |
chmod: Use fchmodat if arch does not have the chmod 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/sys/stat.h | 1 | ||||
| -rw-r--r-- | libc/sysdeps/linux/common/chmod.c | 11 | ||||
| -rw-r--r-- | libc/sysdeps/linux/common/fchmodat.c | 1 |
3 files changed, 12 insertions, 1 deletions
diff --git a/include/sys/stat.h b/include/sys/stat.h index bff90cb6d..1709cece7 100644 --- a/include/sys/stat.h +++ b/include/sys/stat.h @@ -309,6 +309,7 @@ extern int fchmod (int __fd, __mode_t __mode) __THROW; extern int fchmodat (int __fd, const char *__file, __mode_t __mode, int __flag) __THROW __nonnull ((2)) __wur; +libc_hidden_proto(fchmodat) #endif /* Use ATFILE. */ diff --git a/libc/sysdeps/linux/common/chmod.c b/libc/sysdeps/linux/common/chmod.c index 871e0233d..494ec666a 100644 --- a/libc/sysdeps/linux/common/chmod.c +++ b/libc/sysdeps/linux/common/chmod.c @@ -9,13 +9,22 @@ #include <sys/syscall.h> #include <sys/stat.h> +#include <unistd.h> +#if defined __NR_fchmodat && !defined __NR_chmod +# include <fcntl.h> +int chmod(const char *path, mode_t mode) +{ + return fchmodat(AT_FDCWD, path, mode, 0); +} -#define __NR___syscall_chmod __NR_chmod +#else +# define __NR___syscall_chmod __NR_chmod static __inline__ _syscall2(int, __syscall_chmod, const char *, path, __kernel_mode_t, mode) int chmod(const char *path, mode_t mode) { return __syscall_chmod(path, mode); } +#endif libc_hidden_def(chmod) diff --git a/libc/sysdeps/linux/common/fchmodat.c b/libc/sysdeps/linux/common/fchmodat.c index 8224a528a..1e936e039 100644 --- a/libc/sysdeps/linux/common/fchmodat.c +++ b/libc/sysdeps/linux/common/fchmodat.c @@ -32,6 +32,7 @@ int fchmodat(int fd, const char *file, mode_t mode, int flag) return INLINE_SYSCALL(fchmodat, 3, fd, file, mode); } +libc_hidden_def(fchmodat) #else /* should add emulation with fchmod() and /proc/self/fd/ ... */ #endif |