diff options
Diffstat (limited to 'src/common/compat.c')
| -rw-r--r-- | src/common/compat.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/common/compat.c b/src/common/compat.c index c97a4545c9..69eb0643d0 100644 --- a/src/common/compat.c +++ b/src/common/compat.c @@ -870,6 +870,9 @@ tor_lockfile_unlock(tor_lockfile_t *lockfile) /** @{ */ /** Some old versions of Unix didn't define constants for these values, * and instead expect you to say 0, 1, or 2. */ +#ifndef SEEK_SET +#define SEEK_SET 0 +#endif #ifndef SEEK_CUR #define SEEK_CUR 1 #endif @@ -900,6 +903,18 @@ tor_fd_seekend(int fd) #endif } +/** Move <b>fd</b> to position <b>pos</b> in the file. Return -1 on error, 0 + * on success. */ +int +tor_fd_setpos(int fd, off_t pos) +{ +#ifdef _WIN32 + return _lseek(fd, pos, SEEK_SET) < 0 ? -1 : 0; +#else + return lseek(fd, pos, SEEK_SET) < 0 ? -1 : 0; +#endif +} + #undef DEBUG_SOCKET_COUNTING #ifdef DEBUG_SOCKET_COUNTING /** A bitarray of all fds that should be passed to tor_socket_close(). Only |