diff options
Diffstat (limited to 'db2/os/os_seek.c')
-rw-r--r-- | db2/os/os_seek.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/db2/os/os_seek.c b/db2/os/os_seek.c new file mode 100644 index 0000000000..e27044b626 --- /dev/null +++ b/db2/os/os_seek.c @@ -0,0 +1,42 @@ +/*- + * See the file LICENSE for redistribution information. + * + * Copyright (c) 1997 + * Sleepycat Software. All rights reserved. + */ + +#include "config.h" + +#ifndef lint +static const char sccsid[] = "@(#)os_seek.c 10.6 (Sleepycat) 10/25/97"; +#endif /* not lint */ + +#ifndef NO_SYSTEM_INCLUDES +#include <sys/types.h> + +#include <errno.h> +#include <unistd.h> +#endif + +#include "db_int.h" + +/* + * __os_seek -- + * Seek to a page/byte offset in the file. + * + * PUBLIC: int __os_seek __P((int, size_t, db_pgno_t, u_long, int)); + */ +int +__os_seek(fd, pgsize, pageno, relative, whence) + int fd; + size_t pgsize; + db_pgno_t pageno; + u_long relative; + int whence; +{ + off_t offset; + + offset = pgsize * pageno + relative; + + return (lseek(fd, offset, whence) == -1 ? errno : 0); +} |