diff options
Diffstat (limited to 'usr.bin/vi/nex/ex_read.c')
| -rw-r--r-- | usr.bin/vi/nex/ex_read.c | 223 |
1 files changed, 0 insertions, 223 deletions
diff --git a/usr.bin/vi/nex/ex_read.c b/usr.bin/vi/nex/ex_read.c deleted file mode 100644 index 9328b93c329ab..0000000000000 --- a/usr.bin/vi/nex/ex_read.c +++ /dev/null @@ -1,223 +0,0 @@ -/*- - * Copyright (c) 1992, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#ifndef lint -static char sccsid[] = "@(#)ex_read.c 8.21 (Berkeley) 1/23/94"; -#endif /* not lint */ - -#include <sys/types.h> -#include <sys/stat.h> - -#include <ctype.h> -#include <errno.h> -#include <stdlib.h> -#include <string.h> - -#include "vi.h" -#include "excmd.h" - -/* - * ex_read -- :read [file] - * :read [! cmd] - * Read from a file or utility. - */ -int -ex_read(sp, ep, cmdp) - SCR *sp; - EXF *ep; - EXCMDARG *cmdp; -{ - struct stat sb; - FILE *fp; - MARK rm; - recno_t nlines; - size_t blen, len; - int rval; - char *bp, *name; - - /* - * If "read !", it's a pipe from a utility. - * - * !!! - * Historical vi wouldn't undo a filter read, for no apparent - * reason. - */ - if (F_ISSET(cmdp, E_FORCE)) { - /* Expand the user's argument. */ - if (argv_exp1(sp, ep, - cmdp, cmdp->argv[0]->bp, cmdp->argv[0]->len, 0)) - return (1); - - /* If argc still 1, there wasn't anything to expand. */ - if (cmdp->argc == 1) { - msgq(sp, M_ERR, "Usage: %s.", cmdp->cmd->usage); - return (1); - } - - /* Redisplay the user's argument if it's changed. */ - if (F_ISSET(cmdp, E_MODIFY) && IN_VI_MODE(sp)) { - len = cmdp->argv[1]->len; - GET_SPACE_RET(sp, bp, blen, len + 2); - bp[0] = '!'; - memmove(bp + 1, cmdp->argv[1], cmdp->argv[1]->len + 1); - (void)sp->s_busy(sp, bp); - FREE_SPACE(sp, bp, blen); - } - - if (filtercmd(sp, ep, - &cmdp->addr1, NULL, &rm, cmdp->argv[1]->bp, FILTER_READ)) - return (1); - sp->lno = rm.lno; - return (0); - } - - /* Expand the user's argument. */ - if (argv_exp2(sp, ep, - cmdp, cmdp->argv[0]->bp, cmdp->argv[0]->len, 0)) - return (1); - - switch (cmdp->argc) { - case 1: - /* - * No arguments, read the current file. - * Doesn't set the alternate file name. - */ - name = FILENAME(sp->frp); - break; - case 2: - /* - * One argument, read it. - * Sets the alternate file name. - */ - name = cmdp->argv[1]->bp; - set_alt_name(sp, name); - break; - default: - /* If expanded to more than one argument, object. */ - msgq(sp, M_ERR, - "%s expanded into too many file names", cmdp->argv[0]->bp); - msgq(sp, M_ERR, "Usage: %s.", cmdp->cmd->usage); - return (1); - } - - /* - * !!! - * Historically, vi did not permit reads from non-regular files, - * nor did it distinguish between "read !" and "read!", so there - * was no way to "force" it. - */ - if ((fp = fopen(name, "r")) == NULL || fstat(fileno(fp), &sb)) { - msgq(sp, M_SYSERR, name); - return (1); - } - if (!S_ISREG(sb.st_mode)) { - (void)fclose(fp); - msgq(sp, M_ERR, "Only regular files may be read."); - return (1); - } - - rval = ex_readfp(sp, ep, name, fp, &cmdp->addr1, &nlines, 1); - - /* - * Set the cursor to the first line read in, if anything read - * in, otherwise, the address. (Historic vi set it to the - * line after the address regardless, but since that line may - * not exist we don't bother.) - */ - sp->lno = cmdp->addr1.lno; - if (nlines) - ++sp->lno; - - F_SET(EXP(sp), EX_AUTOPRINT); - return (rval); -} - -/* - * ex_readfp -- - * Read lines into the file. - */ -int -ex_readfp(sp, ep, name, fp, fm, nlinesp, success_msg) - SCR *sp; - EXF *ep; - char *name; - FILE *fp; - MARK *fm; - recno_t *nlinesp; - int success_msg; -{ - EX_PRIVATE *exp; - u_long ccnt; - size_t len; - recno_t lno, nlines; - int rval; - - /* - * Add in the lines from the output. Insertion starts at the line - * following the address. - */ - ccnt = 0; - rval = 0; - exp = EXP(sp); - for (lno = fm->lno; !ex_getline(sp, fp, &len); ++lno) { - if (file_aline(sp, ep, 1, lno, exp->ibp, len)) { - rval = 1; - break; - } - ccnt += len; - } - - if (ferror(fp)) { - msgq(sp, M_SYSERR, name); - rval = 1; - } - - if (fclose(fp)) { - msgq(sp, M_SYSERR, name); - return (1); - } - - if (rval) - return (1); - - /* Return the number of lines read in. */ - nlines = lno - fm->lno; - if (nlinesp != NULL) - *nlinesp = nlines; - - if (success_msg) - msgq(sp, M_INFO, "%s: %lu line%s, %lu characters.", - name, nlines, nlines == 1 ? "" : "s", ccnt); - - return (0); -} |