diff options
Diffstat (limited to 'include/sys/sendfile.h')
| -rw-r--r-- | include/sys/sendfile.h | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/include/sys/sendfile.h b/include/sys/sendfile.h index ea474048c..797822b9f 100644 --- a/include/sys/sendfile.h +++ b/include/sys/sendfile.h @@ -1,4 +1,5 @@ -/* Copyright (C) 1998, 1999, 2001 Free Software Foundation, Inc. +/* sendfile -- copy data directly from one file descriptor to another + Copyright (C) 1998,99,01,2002 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -22,16 +23,30 @@ #include <features.h> #include <sys/types.h> -#ifdef __USE_FILE_OFFSET64 -# error "<sys/sendfile.h> cannot be used with _FILE_OFFSET_BITS=64" -#endif - __BEGIN_DECLS -/* Send COUNT bytes from file associated with IN_FD starting at OFFSET to - descriptor OUT_FD. */ -extern ssize_t sendfile (int __out_fd, int __in_fd, off_t *offset, +/* Send up to COUNT bytes from file associated with IN_FD starting at + *OFFSET to descriptor OUT_FD. Set *OFFSET to the IN_FD's file position + following the read bytes. If OFFSET is a null pointer, use the normal + file position instead. Return the number of written bytes, or -1 in + case of error. */ +#ifndef __USE_FILE_OFFSET64 +extern ssize_t sendfile (int __out_fd, int __in_fd, off_t *__offset, size_t __count) __THROW; +#else +# ifdef __REDIRECT +extern ssize_t __REDIRECT (sendfile, + (int __out_fd, int __in_fd, __off64_t *__offset, + size_t __count) __THROW, + sendfile64); +# else +# define sendfile sendfile64 +# endif +#endif +#ifdef __USE_LARGEFILE64 +extern ssize_t sendfile64 (int __out_fd, int __in_fd, __off64_t *__offset, + size_t __count) __THROW; +#endif __END_DECLS |