os_vx_abs.c
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上传日期:2022-05-23
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文件大小:1k
- /*-
- * See the file LICENSE for redistribution information.
- *
- * Copyright (c) 1997-2002
- * Sleepycat Software. All rights reserved.
- */
- #include "db_config.h"
- #ifndef lint
- static const char revid[] = "$Id: os_vx_abs.c,v 1.7 2002/01/11 15:53:02 bostic Exp $";
- #endif /* not lint */
- #include "db_int.h"
- #include "iosLib.h"
- /*
- * __os_abspath --
- * Return if a path is an absolute path.
- */
- int
- __os_abspath(path)
- const char *path;
- {
- DEV_HDR *dummy;
- char *ptail;
- /*
- * VxWorks devices can be rooted at any name at all.
- * Use iosDevFind() to see if name matches any of our devices.
- */
- if ((dummy = iosDevFind((char *)path, &ptail)) == NULL)
- return (0);
- /*
- * If the routine used a device, then ptail points to the
- * rest and we are an abs path.
- */
- if (ptail != path)
- return (1);
- /*
- * If the path starts with a '/', then we are an absolute path,
- * using the host machine, otherwise we are not.
- */
- return (path[0] == '/');
- }