50 lines
955 B
C
50 lines
955 B
C
/****************************************************************
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* *
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* Copyright 2001 Sanchez Computer Associates, 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 "cvtprot.h"
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#define READ 4
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#define WRITE 2
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#define EXECUTE 1
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int cvtprot(char *cp, short cnt)
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{
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int mask;
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/* a protection mask consists of 3 bits per access, R(ead), W(rite), and X(excute)
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*/
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mask = 0;
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for (;cnt > 0 ; cnt--, cp++)
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{
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switch (*cp)
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{
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case 'R':
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case 'r':
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mask |= READ;
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break;
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case 'W':
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case 'w':
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mask |= WRITE;
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break;
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case 'X':
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case 'x':
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mask |= EXECUTE;
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break;
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default:
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return -1;
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}
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}
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return mask;
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}
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