3e1db26a5a
Removing elvis, importing nvi, ctags, updating libedit. Change-Id: I881eb04d2dc64cf112facd992de1114e1a59107f
115 lines
2.3 KiB
C
115 lines
2.3 KiB
C
/* $NetBSD: ip_send.c,v 1.1.1.2 2008/05/18 14:31:24 aymeric Exp $ */
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/*-
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* Copyright (c) 1996
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* Keith Bostic. All rights reserved.
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*
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* See the LICENSE file for redistribution information.
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*/
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#include "config.h"
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#ifndef lint
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static const char sccsid[] = "Id: ip_send.c,v 8.10 2001/06/25 15:19:25 skimo Exp (Berkeley) Date: 2001/06/25 15:19:25";
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/queue.h>
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#include <bitstring.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "../common/common.h"
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#include "ip.h"
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/*
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* vi_send --
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* Construct and send an IP buffer.
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*
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* PUBLIC: int vi_send __P((int, char *, IP_BUF *));
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*/
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int
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vi_send(int ofd, char *fmt, IP_BUF *ipbp)
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{
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static char *bp;
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static size_t blen;
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size_t off;
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u_int32_t ilen;
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int nlen, n, nw;
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char *p;
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/*
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* Have not created the channel to vi yet? -- RAZ
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*
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* XXX
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* How is that possible!?!?
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*
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* We'll soon find out.
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*/
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if (ofd == 0) {
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fprintf(stderr, "No channel\n");
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abort();
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}
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if (blen == 0 && (bp = malloc(blen = 512)) == NULL)
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return (1);
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p = bp;
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nlen = 0;
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*p++ = ipbp->code;
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nlen += IPO_CODE_LEN;
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if (fmt != NULL)
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for (; *fmt != '\0'; ++fmt)
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switch (*fmt) {
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case '1': /* Value #1. */
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ilen = htonl(ipbp->val1);
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goto value;
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case '2': /* Value #2. */
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ilen = htonl(ipbp->val2);
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goto value;
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case '3': /* Value #3. */
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ilen = htonl(ipbp->val3);
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value: nlen += IPO_INT_LEN;
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if (nlen >= blen) {
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blen = blen * 2 + nlen;
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off = p - bp;
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if ((bp = realloc(bp, blen)) == NULL)
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return (1);
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p = bp + off;
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}
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memcpy(p, &ilen, IPO_INT_LEN);
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p += IPO_INT_LEN;
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break;
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case 'a': /* String #1. */
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case 'b': /* String #2. */
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ilen = *fmt == 'a' ? ipbp->len1 : ipbp->len2;
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nlen += IPO_INT_LEN + ilen;
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if (nlen >= blen) {
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blen = blen * 2 + nlen;
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off = p - bp;
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if ((bp = realloc(bp, blen)) == NULL)
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return (1);
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p = bp + off;
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}
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ilen = htonl(ilen);
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memcpy(p, &ilen, IPO_INT_LEN);
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p += IPO_INT_LEN;
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if (*fmt == 'a') {
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memcpy(p, ipbp->str1, ipbp->len1);
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p += ipbp->len1;
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} else {
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memcpy(p, ipbp->str2, ipbp->len2);
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p += ipbp->len2;
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}
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break;
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}
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for (n = p - bp, p = bp; n > 0; n -= nw, p += nw)
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if ((nw = write(ofd, p, n)) < 0)
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return (1);
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return (0);
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}
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