66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
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/****************************************************************
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* *
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* Copyright 2001, 2009 Fidelity Information Services, Inc *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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#include "mdef.h"
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#include "gtm_string.h"
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#include "gtm_stdio.h"
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#include "gtm_fcntl.h"
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#include "job.h"
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#include "eintr_wrappers.h"
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#ifdef KEEP_ZOS_EBCDIC
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extern unsigned char a2e[];
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#define SLSH a2e['/']
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#else
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#define SLSH '/'
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#endif
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/*
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* --------------------------------------------------------
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* Check if file spec is legal.
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* If exist flag is on, check if file exist
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*
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* Return:
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* FALSE - filespec is illegal, or
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* file does not exist (if exist flag is ON)
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* TRUE - good filespec (and file exist, if exist flag is ON)
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* --------------------------------------------------------
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*/
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int4 ojchkfs (char *addr, int4 len, bool exist)
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{
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char *fnp, es[MAX_FILSPC_LEN];
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int fclose_res;
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FILE *fp;
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/* First, check for a legal filespec */
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if (len > MAX_FILSPC_LEN)
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return(FALSE);
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strncpy(es, addr, len);
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*(es + len) = '\0';
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/* If directory path exist, skip it */
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if (fnp = strrchr(es, SLSH))
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fnp += 1;
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else
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fnp = es;
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if (!exist)
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return(TRUE);
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if ((fp = Fopen(es, "r")) == 0)
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return (FALSE);
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FCLOSE(fp, fclose_res);
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return(TRUE);
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}
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