diff options
Diffstat (limited to 'libc')
| -rw-r--r-- | libc/sysdeps/linux/common/fstat.c | 28 | ||||
| -rw-r--r-- | libc/sysdeps/linux/common/fstat64.c | 4 | 
2 files changed, 28 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 diff --git a/libc/sysdeps/linux/common/fstat64.c b/libc/sysdeps/linux/common/fstat64.c index 7460c26f6..aaaf03e66 100644 --- a/libc/sysdeps/linux/common/fstat64.c +++ b/libc/sysdeps/linux/common/fstat64.c @@ -20,6 +20,7 @@ static __always_inline _syscall2(int, __syscall_fstat64,  int fstat64(int fd, struct stat64 *buf)  { +#ifdef __ARCH_HAS_DEPRECATED_SYSCALLS__  	int result;  	struct kernel_stat64 kbuf; @@ -28,6 +29,9 @@ int fstat64(int fd, struct stat64 *buf)  		__xstat64_conv(&kbuf, buf);  	}  	return result; +#else +	return __syscall_fstat64(fd, buf); +#endif  }  libc_hidden_def(fstat64)  #endif | 
