getat.c

openPBS的开放源代码

/*
*         OpenPBS (Portable Batch System) v2.3 Software License
* 
* Copyright (c) 1999-2000 Veridian Information Solutions, Inc.
* All rights reserved.
* 
* ---------------------------------------------------------------------------
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* other than those described below, or to purchase support for this software,
* please contact Veridian Systems, PBS Products Department ("Licensor") at:
* 
*    www.OpenPBS.org  [phone]                  [e-mail]
*                        877 902-4PBS (US toll-free)
* ---------------------------------------------------------------------------
* 
* This license covers use of the OpenPBS v2.3 software (the "Software") at
* your site or location, and, for certain users, redistribution of the
* Software to other sites and locations.  Use and redistribution of
* OpenPBS v2.3 in source and binary forms, with or without modification,
* are permitted provided that all of the following conditions are met.
* After December 31, 2001, only conditions 3-6 must be met:
* 
* 1. Commercial and/or non-commercial use of the Software is permitted
*    provided a current software registration is on file at www.OpenPBS.org.
*    If use of this software contributes to a publication, product, or
*    service, proper attribution must be given; see www.OpenPBS.org/credit.html
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*    non-profit purposes.  There can be no charge for the Software or any
*    software incorporating the Software.  Further, there can be no
*    expectation of revenue generated as a consequence of redistributing
*    the Software.
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* 3. Any Redistribution of source code must retain the above copyright notice
*    and the acknowledgment contained in paragraph 6, this list of conditions
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*     "This product includes software developed by NASA Ames Research Center,
*     Lawrence Livermore National Laboratory, and Veridian Information 
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* U.S. GOVERNMENT OR ANY OF ITS AGENCIES BE LIABLE FOR ANY DIRECT OR INDIRECT,
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*/
/* $Id: getat.c,v 1.1.6.2 2000/08/09 00:18:40 hender Exp $ */

/*
 * Given a batch_status structure (bs), search the attributes for the 
 * requested attribute (at) and return it's value (v).  If the attribute 
 * contains a resource list, then search the resource list for the requested
 * resource (rs).  The function returns the value if found or a NULL if 
 * the search is not successful.
 */

#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "pbs_ifl.h"
#include "log.h"
#include "toolkit.h"
#include "gblxvars.h"

char *
schd_getat(char *at, Batch_Status *bs, char *rs)
{
    /* char   *id = "getat"; */
    AttrList *a;

    for (a = bs->attribs; a != NULL; a = a->next) {
	/* Is this the attribute we are looking for? */
	if (!strcmp(at, a->name)) {

	    /*
	     * If no resource specified, OR this resource matches the 
	     * requested one, return a pointer to the attribute's value.
	     */
	    if ((rs == NULL) || (strcmp(rs, a->resource) == 0))
		return (a->value);
	}
    }

    return (NULL);	/* No matching attributes. */
}