1 | /* libc/sys/linux/io64.c - large file input/output system calls */ |
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2 | |
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3 | /* Copyright 2002, Red Hat Inc. */ |
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4 | |
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5 | |
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6 | #define __KERNEL_PROTOTYPES |
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7 | |
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8 | #include <stdarg.h> |
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9 | #include <unistd.h> |
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10 | #include <fcntl.h> |
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11 | #include <sys/types.h> |
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12 | #include <sys/uio.h> |
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13 | #include <sys/stat.h> |
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14 | #include <sys/ioctl.h> |
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15 | #include <machine/syscall.h> |
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16 | |
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17 | #define __NR___truncate64 __NR_truncate64 |
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18 | #define __NR___ftruncate64 __NR_ftruncate64 |
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19 | |
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20 | _syscall2(int,fstat64,int,fd,struct stat64 *,st) |
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21 | _syscall2(int,lstat64,const char *,name,struct stat64 *,st) |
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22 | _syscall2(int,stat64,const char *,name,struct stat64 *,st) |
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23 | |
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24 | static _syscall3(int,__truncate64,const char *,name,int,high,int,low) |
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25 | |
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26 | int __libc_truncate64(const char *name, off64_t length) |
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27 | { |
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28 | return __truncate64(name,(length >> 32), (length & 0xffffffff)); |
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29 | } |
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30 | weak_alias(__libc_truncate64,truncate64) |
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31 | |
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32 | static _syscall3(int,__ftruncate64,int,fd,int,high,int,low); |
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33 | |
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34 | int __libc_ftruncate64(int fd, off64_t length) |
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35 | { |
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36 | return __ftruncate64(fd,(length >> 32),(length & 0xffffffff)); |
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37 | } |
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38 | weak_alias(__libc_ftruncate64,ftruncate64) |
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39 | |
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40 | static _syscall5(void,_llseek,int,fd,off_t,hi,off_t,lo,loff_t *,pos,int,whence) |
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41 | |
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42 | loff_t __libc_lseek64(int fd, loff_t offset, int whence) |
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43 | { |
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44 | loff_t pos; |
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45 | __libc__llseek(fd, offset >> 32, offset & 0xffffffff, &pos, whence); |
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46 | return pos; |
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47 | } |
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48 | weak_alias(__libc_lseek64,lseek64); |
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49 | weak_alias(__libc_lseek64,_lseek64); |
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50 | |
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51 | int __libc_open64(const char *path, int oflag, ...) |
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52 | { |
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53 | mode_t mode = 0; |
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54 | if (oflag & O_CREAT) |
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55 | { |
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56 | va_list list; |
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57 | va_start(list, oflag); |
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58 | mode = va_arg(list, int); |
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59 | va_end(list); |
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60 | } |
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61 | return __libc_open(path, oflag | O_LARGEFILE, mode); |
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62 | } |
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63 | weak_alias(__libc_open64,open64); |
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64 | weak_alias(__libc_open64,_open64); |
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65 | weak_alias(__libc_open64,__open64); |
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66 | weak_alias(__libc_fstat64,_fstat64); |
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67 | weak_alias(__libc_stat64,_stat64); |
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68 | |
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69 | |
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