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53 lines
1.1 KiB
C
53 lines
1.1 KiB
C
/*
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Copyright 1983
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Alcyon Corporation
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8716 Production Ave.
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San Diego, CA 92121
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@(#) getchd.c - Sep 12, 1983 REGULUS 4.1
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*/
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/*
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I/O independent mapping routine. Machine specific. Independent
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of structure padding. Buffer must contain at least as many
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characters as is required for structure.
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*/
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#include "cout.h"
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#include "iobuf.h"
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/*
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* getchd - fills the c.out header structure from the buffer in
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* the manner which will be understood on the current machine.
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*/
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int
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getchd(fp,arptr) /* returns 0 for success, -1 for failure */
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FILE *fp;
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struct hdr *arptr;
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{
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if (lgetw(&arptr->ch_magic,fp) == -1)
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return(-1);
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if (lgetl(&arptr->ch_tsize,fp) == -1)
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return(-1);
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if (lgetl(&arptr->ch_dsize,fp) == -1)
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return(-1);
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if (lgetl(&arptr->ch_bsize,fp) == -1)
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return(-1);
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if (lgetl(&arptr->ch_ssize,fp) == -1)
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return(-1);
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if (lgetl(&arptr->ch_stksize,fp) == -1)
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return(-1);
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if (lgetl(&arptr->ch_entry,fp) == -1)
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return(-1);
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if (lgetw(&arptr->ch_rlbflg,fp) == -1)
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return(-1);
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if (arptr->ch_magic == EX_ABMAGIC) {
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if (lgetl(&arptr->ch_dstart,fp) == -1)
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return(-1);
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if (lgetl(&arptr->ch_bstart,fp) == -1)
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return(-1);
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}
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return(0);
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}
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