diff options
Diffstat (limited to 'libc/sysdeps/linux/common/fstat.c')
| -rw-r--r-- | libc/sysdeps/linux/common/fstat.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/libc/sysdeps/linux/common/fstat.c b/libc/sysdeps/linux/common/fstat.c index 4726a6879..696f79ea7 100644 --- a/libc/sysdeps/linux/common/fstat.c +++ b/libc/sysdeps/linux/common/fstat.c @@ -12,10 +12,28 @@ #include <sys/stat.h> #include "xstatconv.h" +#if defined __NR_fstat64 && !defined __NR_fstat +int fstat(int fd, struct stat *buf) +{ + int result = INLINE_SYSCALL(fstat64, 2, fd, buf); + if (result == 0) { + /* Did we overflow? */ + if (buf->__pad1 || buf->__pad2 || buf->__pad3 + || buf->__pad4 || buf->__pad5 + || buf->__pad6 || buf->__pad7) { + __set_errno(EOVERFLOW); + return -1; + } + } + return result; +} +libc_hidden_def(fstat) + +#elif defined __NR_fstat int fstat(int fd, struct stat *buf) { int result; -#ifdef __NR_fstat64 +# 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 @@ -26,19 +44,21 @@ int fstat(int fd, struct stat *buf) if (result == 0) { __xstat32_conv(&kbuf, buf); } -#else +# else struct kernel_stat kbuf; result = INLINE_SYSCALL(fstat, 2, fd, &kbuf); if (result == 0) { __xstat_conv(&kbuf, buf); } -#endif +# endif return result; } libc_hidden_def(fstat) -#if ! defined __NR_fstat64 && defined __UCLIBC_HAS_LFS__ +# if ! defined __NR_fstat64 && defined __UCLIBC_HAS_LFS__ strong_alias_untyped(fstat,fstat64) libc_hidden_def(fstat64) +# endif + #endif |