| 1 | /** |
| 2 | * This file has no copyright assigned and is placed in the Public Domain. |
| 3 | * This file is part of the mingw-w64 runtime package. |
| 4 | * No warranty is given; refer to the file DISCLAIMER.PD within this package. |
| 5 | */ |
| 6 | |
| 7 | #include <errno.h> |
| 8 | #include <io.h> |
| 9 | #include <unistd.h> |
| 10 | |
| 11 | int __cdecl ftruncate64(int fd, _off64_t length) |
| 12 | { |
| 13 | errno_t error; |
| 14 | |
| 15 | /* _chsize_s calls invalid parameter exception handler, so validate input parameters */ |
| 16 | if (fd < 0) { |
| 17 | errno = EBADF; |
| 18 | return -1; |
| 19 | } |
| 20 | if (length < 0) { |
| 21 | errno = EINVAL; |
| 22 | return -1; |
| 23 | } |
| 24 | error = _chsize_s(fd, length); |
| 25 | if (error) { |
| 26 | errno = error; |
| 27 | return -1; |
| 28 | } |
| 29 | return 0; |
| 30 | } |