diff options
Diffstat (limited to 'libc/sysdeps/linux')
-rw-r--r-- | libc/sysdeps/linux/common/fstat.c | 18 | ||||
-rw-r--r-- | libc/sysdeps/linux/common/lstat.c | 19 | ||||
-rw-r--r-- | libc/sysdeps/linux/common/stat.c | 18 |
3 files changed, 42 insertions, 13 deletions
diff --git a/libc/sysdeps/linux/common/fstat.c b/libc/sysdeps/linux/common/fstat.c index acc639bce..4726a6879 100644 --- a/libc/sysdeps/linux/common/fstat.c +++ b/libc/sysdeps/linux/common/fstat.c @@ -12,18 +12,28 @@ #include <sys/stat.h> #include "xstatconv.h" -#define __NR___syscall_fstat __NR_fstat -static __inline__ _syscall2(int, __syscall_fstat, int, fd, struct kernel_stat *, buf) - int fstat(int fd, struct stat *buf) { int result; +#ifdef __NR_fstat64 + /* normal stat call has limited values for various stat elements + * e.g. uid device major/minor etc. + * so we use 64 variant if available + * in order to get newer versions of stat elements + */ + struct kernel_stat64 kbuf; + result = INLINE_SYSCALL(fstat64, 2, fd, &kbuf); + if (result == 0) { + __xstat32_conv(&kbuf, buf); + } +#else struct kernel_stat kbuf; - result = __syscall_fstat(fd, &kbuf); + result = INLINE_SYSCALL(fstat, 2, fd, &kbuf); if (result == 0) { __xstat_conv(&kbuf, buf); } +#endif return result; } libc_hidden_def(fstat) diff --git a/libc/sysdeps/linux/common/lstat.c b/libc/sysdeps/linux/common/lstat.c index aa774473c..db72d1f60 100644 --- a/libc/sysdeps/linux/common/lstat.c +++ b/libc/sysdeps/linux/common/lstat.c @@ -12,19 +12,28 @@ #include <sys/stat.h> #include "xstatconv.h" -#define __NR___syscall_lstat __NR_lstat -static __inline__ _syscall2(int, __syscall_lstat, - const char *, file_name, struct kernel_stat *, buf) - int lstat(const char *file_name, struct stat *buf) { int result; +#ifdef __NR_lstat64 + /* normal stat call has limited values for various stat elements + * e.g. uid device major/minor etc. + * so we use 64 variant if available + * in order to get newer versions of stat elements + */ + struct kernel_stat64 kbuf; + result = INLINE_SYSCALL(lstat64, 2, file_name, &kbuf); + if (result == 0) { + __xstat32_conv(&kbuf, buf); + } +#else struct kernel_stat kbuf; - result = __syscall_lstat(file_name, &kbuf); + result = INLINE_SYSCALL(lstat, 2, file_name, &kbuf); if (result == 0) { __xstat_conv(&kbuf, buf); } +#endif return result; } libc_hidden_def(lstat) diff --git a/libc/sysdeps/linux/common/stat.c b/libc/sysdeps/linux/common/stat.c index a6ab291f2..829f35a93 100644 --- a/libc/sysdeps/linux/common/stat.c +++ b/libc/sysdeps/linux/common/stat.c @@ -12,20 +12,30 @@ #include <sys/stat.h> #include "xstatconv.h" -#define __NR___syscall_stat __NR_stat #undef stat -static __inline__ _syscall2(int, __syscall_stat, - const char *, file_name, struct kernel_stat *, buf) int stat(const char *file_name, struct stat *buf) { int result; +#ifdef __NR_stat64 + /* normal stat call has limited values for various stat elements + * e.g. uid device major/minor etc. + * so we use 64 variant if available + * in order to get newer versions of stat elements + */ + struct kernel_stat64 kbuf; + result = INLINE_SYSCALL(stat64, 2, file_name, &kbuf); + if (result == 0) { + __xstat32_conv(&kbuf, buf); + } +#else struct kernel_stat kbuf; - result = __syscall_stat(file_name, &kbuf); + result = INLINE_SYSCALL(stat, 2, file_name, &kbuf); if (result == 0) { __xstat_conv(&kbuf, buf); } +#endif return result; } libc_hidden_def(stat) |