diff options
Diffstat (limited to 'libc/sysdeps/linux/common/pread_write.c')
| -rw-r--r-- | libc/sysdeps/linux/common/pread_write.c | 43 |
1 files changed, 13 insertions, 30 deletions
diff --git a/libc/sysdeps/linux/common/pread_write.c b/libc/sysdeps/linux/common/pread_write.c index 327a9c785..45a94cfb8 100644 --- a/libc/sysdeps/linux/common/pread_write.c +++ b/libc/sysdeps/linux/common/pread_write.c @@ -13,26 +13,13 @@ * from GNU libc 2.2.5, but reworked considerably... */ -#define _GNU_SOURCE -#define _LARGEFILE64_SOURCE -#include <features.h> -#undef __OPTIMIZE__ -/* We absolutely do _NOT_ want interfaces silently - * * * renamed under us or very bad things will happen... */ -#ifdef __USE_FILE_OFFSET64 -# undef __USE_FILE_OFFSET64 -#endif - - -#include <errno.h> -#include <sys/types.h> -#include <sys/syscall.h> +#include "syscalls.h" #include <unistd.h> #include <stdint.h> #ifdef __NR_pread -#define __NR___syscall_pread __NR_pread +# define __NR___syscall_pread __NR_pread static inline _syscall5(ssize_t, __syscall_pread, int, fd, void *, buf, size_t, count, off_t, offset_hi, off_t, offset_lo); @@ -42,7 +29,7 @@ ssize_t __libc_pread(int fd, void *buf, size_t count, off_t offset) } strong_alias(__libc_pread,pread) -#if defined __UCLIBC_HAS_LFS__ +# ifdef __UCLIBC_HAS_LFS__ ssize_t __libc_pread64(int fd, void *buf, size_t count, off64_t offset) { uint32_t low = offset & 0xffffffff; @@ -50,14 +37,13 @@ ssize_t __libc_pread64(int fd, void *buf, size_t count, off64_t offset) return(__syscall_pread(fd, buf, count, __LONG_LONG_PAIR (high, low))); } strong_alias(__libc_pread64,pread64) -#endif /* __UCLIBC_HAS_LFS__ */ +# endif /* __UCLIBC_HAS_LFS__ */ #endif /* __NR_pread */ - #ifdef __NR_pwrite -#define __NR___syscall_pwrite __NR_pwrite +# define __NR___syscall_pwrite __NR_pwrite static inline _syscall5(ssize_t, __syscall_pwrite, int, fd, const void *, buf, size_t, count, off_t, offset_hi, off_t, offset_lo); @@ -67,7 +53,7 @@ ssize_t __libc_pwrite(int fd, const void *buf, size_t count, off_t offset) } strong_alias(__libc_pwrite,pwrite) -#if defined __UCLIBC_HAS_LFS__ +# ifdef __UCLIBC_HAS_LFS__ ssize_t __libc_pwrite64(int fd, const void *buf, size_t count, off64_t offset) { uint32_t low = offset & 0xffffffff; @@ -75,11 +61,9 @@ ssize_t __libc_pwrite64(int fd, const void *buf, size_t count, off64_t offset) return(__syscall_pwrite(fd, buf, count, __LONG_LONG_PAIR (high, low))); } strong_alias(__libc_pwrite64,pwrite64) -#endif /* __UCLIBC_HAS_LFS__ */ +# endif /* __UCLIBC_HAS_LFS__ */ #endif /* __NR_pwrite */ - - #if ! defined __NR_pread || ! defined __NR_pwrite libc_hidden_proto(read) libc_hidden_proto(write) @@ -123,7 +107,7 @@ static ssize_t __fake_pread_write(int fd, void *buf, return(result); } -#if defined __UCLIBC_HAS_LFS__ +# ifdef __UCLIBC_HAS_LFS__ static ssize_t __fake_pread_write64(int fd, void *buf, size_t count, off64_t offset, int do_pwrite) { @@ -158,7 +142,7 @@ static ssize_t __fake_pread_write64(int fd, void *buf, __set_errno (save_errno); return result; } -#endif /* __UCLIBC_HAS_LFS__ */ +# endif /* __UCLIBC_HAS_LFS__ */ #endif /* ! defined __NR_pread || ! defined __NR_pwrite */ #ifndef __NR_pread @@ -168,16 +152,15 @@ ssize_t __libc_pread(int fd, void *buf, size_t count, off_t offset) } strong_alias(__libc_pread,pread) -#if defined __UCLIBC_HAS_LFS__ +# ifdef __UCLIBC_HAS_LFS__ ssize_t __libc_pread64(int fd, void *buf, size_t count, off64_t offset) { return(__fake_pread_write64(fd, buf, count, offset, 0)); } strong_alias(__libc_pread64,pread64) -#endif /* __UCLIBC_HAS_LFS__ */ +# endif /* __UCLIBC_HAS_LFS__ */ #endif /* ! __NR_pread */ - #ifndef __NR_pwrite ssize_t __libc_pwrite(int fd, const void *buf, size_t count, off_t offset) { @@ -187,11 +170,11 @@ ssize_t __libc_pwrite(int fd, const void *buf, size_t count, off_t offset) } strong_alias(__libc_pwrite,pwrite) -#if defined __UCLIBC_HAS_LFS__ +# ifdef __UCLIBC_HAS_LFS__ ssize_t __libc_pwrite64(int fd, const void *buf, size_t count, off64_t offset) { return(__fake_pread_write64(fd, (void*)buf, count, offset, 1)); } strong_alias(__libc_pwrite64,pwrite64) -#endif /* __UCLIBC_HAS_LFS__ */ +# endif /* __UCLIBC_HAS_LFS__ */ #endif /* ! __NR_pwrite */ |