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* $Id: pa.c,v 1.4 2001/06/29 14:14:46 rufustfirefly Exp $
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* Copyright (c) 1990,1991 Regents of The University of Michigan.
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* Permission to use, copy, modify, and distribute this software and
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* its documentation for any purpose and without fee is hereby granted,
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* provided that the above copyright notice appears in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation, and that the name of The University
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* of Michigan not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior
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* permission. This software is supplied as is without expressed or
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* implied warranties of any kind.
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* Research Systems Unix Group
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* The University of Michigan
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* 535 W. William Street
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* netatalk@itd.umich.edu
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/* This is used with pa.h */
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#endif /* HAVE_CONFIG_H */
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#endif /* HAVE_UNISTD_H */
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pa_buf_t *pa_init( fd )
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h = (pa_buf_t *) malloc( sizeof( pa_buf_t ));
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h->buf = (char *) malloc( PA_BUFBLK * 2 );
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h->bufsz = PA_BUFBLK * 2;
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if (( rc = read( fd, h->buf, PA_BUFBLK )) < 0 ) {
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h->end = h->buf + rc - 1;
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if ( h->state == PA_NORMAL ) {
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*(h->buf) = *(h->cur);
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bcopy( h->mark, h->buf, h->end - h->mark + 1 );
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h->cur = h->buf + ( h->cur - h->mark );
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h->end = h->buf + ( h->end - h->mark );
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if ( h->bufsz - (( h->cur - h->buf ) + 1 ) < PA_BUFBLK ) {
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h->buf = (char *) realloc( h->buf, h->bufsz + PA_BUFBLK );
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h->bufsz += PA_BUFBLK;
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h->mark = h->buf + ( h->mark - t );
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h->cur = h->buf + ( h->cur - t );
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h->end = h->buf + ( h->end - t );
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if (( rc = read( h->fd, h->cur + 1, PA_BUFBLK )) <= 0 ) {
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h->end = h->cur + rc;
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return( *(++(h->cur)) );