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authorpeter <peter@FreeBSD.org>2013-08-11 08:38:10 +0000
committerpeter <peter@FreeBSD.org>2013-08-11 08:38:10 +0000
commit75700a8c067d4d910e2017f0aa29cbbca644f9cc (patch)
treefcfc8dee7b416cacdea763f18f34e0930234186a /contrib/nvi/common/delete.c
parent3102470d94db36e49a2262542f69cc4219ae1aee (diff)
downloadFreeBSD-src-75700a8c067d4d910e2017f0aa29cbbca644f9cc.zip
FreeBSD-src-75700a8c067d4d910e2017f0aa29cbbca644f9cc.tar.gz
Post-cvs2svn flatten pass.
Diffstat (limited to 'contrib/nvi/common/delete.c')
-rw-r--r--contrib/nvi/common/delete.c160
1 files changed, 0 insertions, 160 deletions
diff --git a/contrib/nvi/common/delete.c b/contrib/nvi/common/delete.c
deleted file mode 100644
index 001788f..0000000
--- a/contrib/nvi/common/delete.c
+++ /dev/null
@@ -1,160 +0,0 @@
-/*-
- * Copyright (c) 1992, 1993, 1994
- * The Regents of the University of California. All rights reserved.
- * Copyright (c) 1992, 1993, 1994, 1995, 1996
- * Keith Bostic. All rights reserved.
- *
- * See the LICENSE file for redistribution information.
- */
-
-#include "config.h"
-
-#ifndef lint
-static const char sccsid[] = "@(#)delete.c 10.12 (Berkeley) 10/23/96";
-#endif /* not lint */
-
-#include <sys/types.h>
-#include <sys/queue.h>
-
-#include <bitstring.h>
-#include <errno.h>
-#include <limits.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "common.h"
-
-/*
- * del --
- * Delete a range of text.
- *
- * PUBLIC: int del __P((SCR *, MARK *, MARK *, int));
- */
-int
-del(sp, fm, tm, lmode)
- SCR *sp;
- MARK *fm, *tm;
- int lmode;
-{
- recno_t lno;
- size_t blen, len, nlen, tlen;
- char *bp, *p;
- int eof, rval;
-
- bp = NULL;
-
- /* Case 1 -- delete in line mode. */
- if (lmode) {
- for (lno = tm->lno; lno >= fm->lno; --lno) {
- if (db_delete(sp, lno))
- return (1);
- ++sp->rptlines[L_DELETED];
- if (lno % INTERRUPT_CHECK == 0 && INTERRUPTED(sp))
- break;
- }
- goto done;
- }
-
- /*
- * Case 2 -- delete to EOF. This is a special case because it's
- * easier to pick it off than try and find it in the other cases.
- */
- if (db_last(sp, &lno))
- return (1);
- if (tm->lno >= lno) {
- if (tm->lno == lno) {
- if (db_get(sp, lno, DBG_FATAL, &p, &len))
- return (1);
- eof = tm->cno >= len ? 1 : 0;
- } else
- eof = 1;
- if (eof) {
- for (lno = tm->lno; lno > fm->lno; --lno) {
- if (db_delete(sp, lno))
- return (1);
- ++sp->rptlines[L_DELETED];
- if (lno %
- INTERRUPT_CHECK == 0 && INTERRUPTED(sp))
- break;
- }
- if (db_get(sp, fm->lno, DBG_FATAL, &p, &len))
- return (1);
- GET_SPACE_RET(sp, bp, blen, fm->cno);
- memcpy(bp, p, fm->cno);
- if (db_set(sp, fm->lno, bp, fm->cno))
- return (1);
- goto done;
- }
- }
-
- /* Case 3 -- delete within a single line. */
- if (tm->lno == fm->lno) {
- if (db_get(sp, fm->lno, DBG_FATAL, &p, &len))
- return (1);
- GET_SPACE_RET(sp, bp, blen, len);
- if (fm->cno != 0)
- memcpy(bp, p, fm->cno);
- memcpy(bp + fm->cno, p + (tm->cno + 1), len - (tm->cno + 1));
- if (db_set(sp, fm->lno,
- bp, len - ((tm->cno - fm->cno) + 1)))
- goto err;
- goto done;
- }
-
- /*
- * Case 4 -- delete over multiple lines.
- *
- * Copy the start partial line into place.
- */
- if ((tlen = fm->cno) != 0) {
- if (db_get(sp, fm->lno, DBG_FATAL, &p, NULL))
- return (1);
- GET_SPACE_RET(sp, bp, blen, tlen + 256);
- memcpy(bp, p, tlen);
- }
-
- /* Copy the end partial line into place. */
- if (db_get(sp, tm->lno, DBG_FATAL, &p, &len))
- goto err;
- if (len != 0 && tm->cno != len - 1) {
- /*
- * XXX
- * We can overflow memory here, if the total length is greater
- * than SIZE_T_MAX. The only portable way I've found to test
- * is depending on the overflow being less than the value.
- */
- nlen = (len - (tm->cno + 1)) + tlen;
- if (tlen > nlen) {
- msgq(sp, M_ERR, "002|Line length overflow");
- goto err;
- }
- if (tlen == 0) {
- GET_SPACE_RET(sp, bp, blen, nlen);
- } else
- ADD_SPACE_RET(sp, bp, blen, nlen);
-
- memcpy(bp + tlen, p + (tm->cno + 1), len - (tm->cno + 1));
- tlen += len - (tm->cno + 1);
- }
-
- /* Set the current line. */
- if (db_set(sp, fm->lno, bp, tlen))
- goto err;
-
- /* Delete the last and intermediate lines. */
- for (lno = tm->lno; lno > fm->lno; --lno) {
- if (db_delete(sp, lno))
- goto err;
- ++sp->rptlines[L_DELETED];
- if (lno % INTERRUPT_CHECK == 0 && INTERRUPTED(sp))
- break;
- }
-
-done: rval = 0;
- if (0)
-err: rval = 1;
- if (bp != NULL)
- FREE_SPACE(sp, bp, blen);
- return (rval);
-}
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