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Diffstat (limited to 'usr.bin/vi/vi/v_status.c')
| -rw-r--r-- | usr.bin/vi/vi/v_status.c | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/usr.bin/vi/vi/v_status.c b/usr.bin/vi/vi/v_status.c new file mode 100644 index 000000000000..26cb191a06dc --- /dev/null +++ b/usr.bin/vi/vi/v_status.c @@ -0,0 +1,138 @@ +/*- + * Copyright (c) 1992, 1993, 1994 + * 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[] = "@(#)v_status.c 8.12 (Berkeley) 3/8/94"; +#endif /* not lint */ + +#include <sys/param.h> +#include <queue.h> +#include <sys/stat.h> +#include <sys/time.h> + +#include <bitstring.h> +#include <limits.h> +#include <signal.h> +#include <stdio.h> +#include <termios.h> +#include <unistd.h> + +#include <db.h> +#include <regex.h> + +#include "vi.h" +#include "vcmd.h" + +/* + * v_status -- ^G + * Show the file status. + */ +int +v_status(sp, ep, vp) + SCR *sp; + EXF *ep; + VICMDARG *vp; +{ + + /* + * ^G in historic vi reset the cursor column to the first + * non-blank character in the line. This doesn't seem of + * any usefulness whatsoever, so I don't bother. + */ + return (status(sp, ep, vp->m_start.lno, 1)); +} + +int +status(sp, ep, lno, showlast) + SCR *sp; + EXF *ep; + recno_t lno; + int showlast; +{ + recno_t last; + char *mo, *nc, *nf, *ro, *pid; +#ifdef DEBUG + char pbuf[50]; + + (void)snprintf(pbuf, sizeof(pbuf), " (pid %u)", getpid()); + pid = pbuf; +#else + pid = ""; +#endif + /* + * See nvi/exf.c:file_init() for a description of how and + * when the read-only bit is set. Possible displays are: + * + * new file + * new file, readonly + * [un]modified + * [un]modified, readonly + * name changed, [un]modified + * name changed, [un]modified, readonly + * + * !!! + * The historic display for "name changed" was "[Not edited]". + */ + if (F_ISSET(sp->frp, FR_NEWFILE)) { + F_CLR(sp->frp, FR_NEWFILE); + nf = "new file"; + mo = nc = ""; + } else { + nf = ""; + if (sp->frp->cname != NULL) { + nc = "name changed"; + mo = F_ISSET(ep, F_MODIFIED) ? + ", modified" : ", unmodified"; + } else { + nc = ""; + mo = F_ISSET(ep, F_MODIFIED) ? + "modified" : "unmodified"; + } + } + ro = F_ISSET(sp->frp, FR_RDONLY) ? ", readonly" : ""; + if (showlast) { + if (file_lline(sp, ep, &last)) + return (1); + if (last >= 1) + msgq(sp, M_INFO, + "%s: %s%s%s%s: line %lu of %lu [%ld%%]%s", + FILENAME(sp->frp), nf, nc, mo, ro, lno, + last, (lno * 100) / last, pid); + else + msgq(sp, M_INFO, "%s: %s%s%s%s: empty file%s", + FILENAME(sp->frp), nf, nc, mo, ro, pid); + } else + msgq(sp, M_INFO, "%s: %s%s%s%s: line %lu%s", + FILENAME(sp->frp), nf, nc, mo, ro, lno, pid); + return (0); +} |