diff options
Diffstat (limited to 'libc')
| -rw-r--r-- | libc/sysdeps/linux/common/ftruncate64.c | 19 | ||||
| -rw-r--r-- | libc/sysdeps/linux/common/truncate64.c | 43 | 
2 files changed, 52 insertions, 10 deletions
diff --git a/libc/sysdeps/linux/common/ftruncate64.c b/libc/sysdeps/linux/common/ftruncate64.c index 61ca9339e..3cbc9a799 100644 --- a/libc/sysdeps/linux/common/ftruncate64.c +++ b/libc/sysdeps/linux/common/ftruncate64.c @@ -17,13 +17,14 @@  #include <errno.h>  #include <endian.h>  #include <stdint.h> +#include <sys/types.h>  #include <sys/syscall.h>  #if defined __UCLIBC_HAS_LFS__  #if defined __NR_ftruncate64 -#if __WORDSIZE == 64 || (defined(__powerpc__) && defined (__UCLIBC_HAS_LFS__)) +#if __WORDSIZE == 64  /* For a 64 bit machine, life is simple... */  _syscall2(int, ftruncate64, int, fd, __off64_t, length); @@ -33,7 +34,13 @@ _syscall2(int, ftruncate64, int, fd, __off64_t, length);  #ifndef INLINE_SYSCALL  #define INLINE_SYSCALL(name, nr, args...) __syscall_ftruncate64 (args)  #define __NR___syscall_ftruncate64 __NR_ftruncate64 -static inline _syscall3(int, __syscall_ftruncate64, int, fd, int, high_length, int, low_length); +#if defined(__powerpc__) || defined(__mips__) +static inline _syscall4(int, __syscall_ftruncate64, int, fd, uint32_t, pad, +	unsigned long, high_length, unsigned long, low_length); +#else +static inline _syscall3(int, __syscall_ftruncate64, int, fd, +	unsigned long, high_length, unsigned long, low_length); +#endif  #endif  /* The exported ftruncate64 function.  */ @@ -41,7 +48,13 @@ int ftruncate64 (int fd, __off64_t length)  {      uint32_t low = length & 0xffffffff;      uint32_t high = length >> 32; -    return INLINE_SYSCALL(ftruncate64, 3, fd, __LONG_LONG_PAIR (high, low)); +#if defined(__powerpc__) || defined(__mips__) +    return INLINE_SYSCALL(ftruncate64, +	    4, fd, 0, __LONG_LONG_PAIR (high, low)); +#else +    return INLINE_SYSCALL(ftruncate64, 3, fd, +	    __LONG_LONG_PAIR (high, low)); +#endif  }  #else /* __WORDSIZE */ diff --git a/libc/sysdeps/linux/common/truncate64.c b/libc/sysdeps/linux/common/truncate64.c index ba6d95d1d..cf74812d6 100644 --- a/libc/sysdeps/linux/common/truncate64.c +++ b/libc/sysdeps/linux/common/truncate64.c @@ -17,23 +17,30 @@  #include <errno.h>  #include <endian.h>  #include <stdint.h> +#include <sys/types.h>  #include <sys/syscall.h> +#if defined __UCLIBC_HAS_LFS__ +  #if defined __NR_truncate64 -#if __WORDSIZE == 64 || (defined(__powerpc__) && defined (__UCLIBC_HAS_LFS__)) +#if __WORDSIZE == 64  /* For a 64 bit machine, life is simple... */  _syscall2(int, truncate64, const char *, path, __off64_t, length);  #elif __WORDSIZE == 32 -#if defined __UCLIBC_HAS_LFS__ -  #ifndef INLINE_SYSCALL  #define INLINE_SYSCALL(name, nr, args...) __syscall_truncate64 (args)  #define __NR___syscall_truncate64 __NR_truncate64 -static inline _syscall3(int, __syscall_truncate64, const char *, path, int, high_length, int, low_length); +#if defined(__powerpc__) || defined(__mips__) +static inline _syscall4(int, __syscall_truncate64, const char *, path, +	uint32_t, pad, unsigned long, high_length, unsigned long, low_length); +#else +static inline _syscall3(int, __syscall_truncate64, const char *, path, +	unsigned long, high_length, unsigned long, low_length); +#endif  #endif @@ -42,13 +49,35 @@ int truncate64 (const char * path, __off64_t length)  {      uint32_t low = length & 0xffffffff;      uint32_t high = length >> 32; -    return INLINE_SYSCALL(truncate64, 3, path, __LONG_LONG_PAIR (high, low)); +#if defined(__powerpc__) || defined(__mips__) +    return INLINE_SYSCALL(truncate64, 4, path, 0, +	    __LONG_LONG_PAIR (high, low)); +#else +    return INLINE_SYSCALL(truncate64, 3, path, +	    __LONG_LONG_PAIR (high, low)); +#endif  } -#endif /* __UCLIBC_HAS_LFS__ */  #else /* __WORDSIZE */  #error Your machine is not 64 bit or 32 bit, I am dazed and confused.  #endif /* __WORDSIZE */ -#endif +#else  /* __NR_truncate64 */ + +int truncate64 (const char * path, __off64_t length) +{ +	__off_t x = (__off_t) length; + +	if (x == length) { +		return truncate(path, x); +	} + +	__set_errno((x < 0) ? EINVAL : EFBIG); + +	return -1; +} + +#endif /* __NR_truncate64 */ + +#endif /* __UCLIBC_HAS_LFS__ */  | 
