1774 lines
34 KiB
C
1774 lines
34 KiB
C
/* cmd1.c */
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/* Author:
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* Steve Kirkendall
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* 14407 SW Teal Blvd. #C
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* Beaverton, OR 97005
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* kirkenda@cs.pdx.edu
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*/
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/* This file contains some of the EX commands - mostly ones that deal with
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* files, options, etc. -- anything except text.
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*/
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#include "config.h"
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#include "ctype.h"
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#include "vi.h"
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#include "regexp.h"
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#ifdef DEBUG
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/* print the selected lines with info on the blocks */
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/*ARGSUSED*/
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void cmd_debug(frommark, tomark, cmd, bang, extra)
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MARK frommark;
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MARK tomark;
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CMD cmd;
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int bang;
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char *extra;
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{
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REG char *scan;
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REG long l;
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REG int i;
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int len;
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/* scan lnum[] to determine which block its in */
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l = markline(frommark);
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for (i = 1; l > lnum[i]; i++)
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{
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}
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do
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{
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/* fetch text of the block containing that line */
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scan = blkget(i)->c;
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/* calculate its length */
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if (scan[BLKSIZE - 1])
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{
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len = BLKSIZE;
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}
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else
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{
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len = strlen(scan);
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}
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/* print block stats */
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msg("##### hdr[%d]=%d, lnum[%d-1]=%ld, lnum[%d]=%ld (%ld lines)",
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i, hdr.n[i], i, lnum[i-1], i, lnum[i], lnum[i] - lnum[i - 1]);
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msg("##### len=%d, buf=0x%lx, %sdirty",
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len, scan, ((int *)scan)[MAXBLKS + 1] ? "" : "not ");
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if (bang)
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{
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while (--len >= 0)
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{
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addch(*scan);
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scan++;
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}
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}
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exrefresh();
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/* next block */
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i++;
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} while (i < MAXBLKS && lnum[i] && lnum[i - 1] < markline(tomark));
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}
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/* This function checks a lot of conditions to make sure they aren't screwy */
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/*ARGSUSED*/
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void cmd_validate(frommark, tomark, cmd, bang, extra)
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MARK frommark;
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MARK tomark;
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CMD cmd;
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int bang;
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char *extra;
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{
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char *scan;
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int i;
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int nlcnt; /* used to count newlines */
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int len; /* counts non-NUL characters */
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/* check lnum[0] */
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if (lnum[0] != 0L)
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{
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msg("lnum[0] = %ld", lnum[0]);
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}
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/* check each block */
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for (i = 1; lnum[i] <= nlines; i++)
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{
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scan = blkget(i)->c;
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if (scan[BLKSIZE - 1])
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{
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msg("block %d has no NUL at the end", i);
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}
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else
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{
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for (nlcnt = len = 0; *scan; scan++, len++)
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{
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if (*scan == '\n')
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{
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nlcnt++;
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}
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}
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if (scan[-1] != '\n')
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{
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msg("block %d doesn't end with '\\n' (length %d)", i, len);
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}
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if (bang || nlcnt != lnum[i] - lnum[i - 1])
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{
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msg("block %d (line %ld?) has %d lines, but should have %ld",
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i, lnum[i - 1] + 1L, nlcnt, lnum[i] - lnum[i - 1]);
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}
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}
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exrefresh();
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}
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/* check lnum again */
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if (lnum[i] != INFINITY)
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{
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msg("hdr.n[%d] = %d, but lnum[%d] = %ld",
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i, hdr.n[i], i, lnum[i]);
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}
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msg("# = \"%s\", %% = \"%s\"", prevorig, origname);
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msg("V_from=%ld.%d, cursor=%ld.%d", markline(V_from), markidx(V_from), markline(cursor), markidx(cursor));
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}
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#endif /* DEBUG */
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/*ARGSUSED*/
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void cmd_mark(frommark, tomark, cmd, bang, extra)
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MARK frommark;
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MARK tomark;
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CMD cmd;
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int bang;
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char *extra;
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{
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/* validate the name of the mark */
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if (*extra == '"')
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{
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extra++;
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}
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/* valid mark names are lowercase ascii characters */
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if (!isascii(*extra) || !islower(*extra) || extra[1])
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{
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msg("Invalid mark name");
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return;
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}
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mark[*extra - 'a'] = tomark;
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}
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/*ARGSUSED*/
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void cmd_write(frommark, tomark, cmd, bang, extra)
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MARK frommark;
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MARK tomark;
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CMD cmd;
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int bang;
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char *extra;
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{
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int fd;
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int append; /* boolean: write in "append" mode? */
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REG long l;
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REG char *scan;
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REG int i;
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/* if writing to a filter, then let filter() handle it */
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if (*extra == '!')
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{
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filter(frommark, tomark, extra + 1, FALSE);
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return;
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}
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/* if all lines are to be written, use tmpsave() */
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if (frommark == MARK_FIRST && tomark == MARK_LAST && cmd == CMD_WRITE)
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{
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tmpsave(extra, bang);
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return;
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}
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/* see if we're going to do this in append mode or not */
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append = FALSE;
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if (extra[0] == '>' && extra[1] == '>')
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{
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extra += 2;
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append = TRUE;
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}
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/* either the file must not exist, or we must have a ! or be appending */
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if (access(extra, 0) == 0 && !bang && !append)
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{
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msg("File already exists - Use :w! to overwrite");
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return;
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}
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/* else do it line-by-line, like cmd_print() */
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if (append)
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{
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#ifdef O_APPEND
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fd = open(extra, O_WRONLY|O_APPEND);
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#else
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fd = open(extra, O_WRONLY);
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if (fd >= 0)
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{
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lseek(fd, 0L, 2);
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}
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#endif
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}
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else
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{
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fd = -1; /* so we know the file isn't open yet */
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}
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if (fd < 0)
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{
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fd = creat(extra, FILEPERMS);
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if (fd < 0)
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{
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msg("Can't write to \"%s\"", extra);
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return;
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}
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}
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for (l = markline(frommark); l <= markline(tomark); l++)
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{
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/* get the next line */
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scan = fetchline(l);
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i = strlen(scan);
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scan[i++] = '\n';
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/* print the line */
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if (twrite(fd, scan, i) < i)
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{
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msg("Write failed");
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break;
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}
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}
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rptlines = markline(tomark) - markline(frommark) + 1;
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rptlabel = "written";
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close(fd);
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}
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/*ARGSUSED*/
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void cmd_shell(frommark, tomark, cmd, bang, extra)
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MARK frommark, tomark;
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CMD cmd;
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int bang;
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char *extra;
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{
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static char prevextra[80];
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/* special case: ":sh" means ":!sh" */
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if (cmd == CMD_SHELL)
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{
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extra = o_shell;
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frommark = tomark = 0L;
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}
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/* if extra is "!", substitute previous command */
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if (*extra == '!')
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{
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if (!*prevextra)
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{
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msg("No previous shell command to substitute for '!'");
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return;
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}
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extra = prevextra;
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}
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else if (cmd == CMD_BANG && strlen(extra) < sizeof(prevextra) - 1)
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{
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strcpy(prevextra, extra);
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}
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/* warn the user if the file hasn't been saved yet */
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if (*o_warn && tstflag(file, MODIFIED))
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{
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if (mode == MODE_VI)
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{
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mode = MODE_COLON;
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}
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msg("Warning: \"%s\" has been modified but not yet saved", origname);
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}
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/* if no lines were specified, just run the command */
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suspend_curses();
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if (frommark == 0L)
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{
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system(extra);
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}
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else /* pipe lines from the file through the command */
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{
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filter(frommark, tomark, extra, TRUE);
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}
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/* resume curses quietly for MODE_EX, but noisily otherwise */
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resume_curses(mode == MODE_EX);
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}
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/*ARGSUSED*/
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void cmd_global(frommark, tomark, cmd, bang, extra)
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MARK frommark, tomark;
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CMD cmd;
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int bang;
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char *extra; /* rest of the command line */
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{
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char *cmdptr; /* the command from the command line */
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char cmdln[100]; /* copy of the command from the command line */
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char *line; /* a line from the file */
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long l; /* used as a counter to move through lines */
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long lqty; /* quantity of lines to be scanned */
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long nchanged; /* number of lines changed */
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regexp *re; /* the compiled search expression */
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/* can't nest global commands */
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if (doingglobal)
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{
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msg("Can't nest global commands.");
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rptlines = -1L;
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return;
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}
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/* ":g! ..." is the same as ":v ..." */
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if (bang)
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{
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cmd = CMD_VGLOBAL;
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}
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/* make sure we got a search pattern */
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if (*extra != '/' && *extra != '?')
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{
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msg("Usage: %c /regular expression/ command", cmd == CMD_GLOBAL ? 'g' : 'v');
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return;
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}
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/* parse & compile the search pattern */
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cmdptr = parseptrn(extra);
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if (!extra[1])
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{
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msg("Can't use empty regular expression with '%c' command", cmd == CMD_GLOBAL ? 'g' : 'v');
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return;
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}
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re = regcomp(extra + 1);
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if (!re)
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{
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/* regcomp found & described an error */
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return;
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}
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/* for each line in the range */
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doingglobal = TRUE;
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ChangeText
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{
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/* NOTE: we have to go through the lines in a forward order,
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* otherwise "g/re/p" would look funny. *BUT* for "g/re/d"
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* to work, simply adding 1 to the line# on each loop won't
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* work. The solution: count lines relative to the end of
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* the file. Think about it.
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*/
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for (l = nlines - markline(frommark),
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lqty = markline(tomark) - markline(frommark) + 1L,
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nchanged = 0L;
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lqty > 0 && nlines - l >= 0 && nchanged >= 0L;
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l--, lqty--)
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{
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/* fetch the line */
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line = fetchline(nlines - l);
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/* if it contains the search pattern... */
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if ((!regexec(re, line, 1)) == (cmd != CMD_GLOBAL))
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{
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/* move the cursor to that line */
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cursor = MARK_AT_LINE(nlines - l);
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/* do the ex command (without mucking up
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* the original copy of the command line)
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*/
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strcpy(cmdln, cmdptr);
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rptlines = 0L;
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doexcmd(cmdln);
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nchanged += rptlines;
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}
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}
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}
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doingglobal = FALSE;
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/* free the regexp */
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free(re);
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/* Reporting...*/
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rptlines = nchanged;
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}
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/*ARGSUSED*/
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void cmd_file(frommark, tomark, cmd, bang, extra)
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MARK frommark, tomark;
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CMD cmd;
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int bang;
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char *extra;
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{
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#ifndef CRUNCH
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/* if we're given a new filename, use it as this file's name */
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if (extra && *extra)
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{
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strcpy(origname, extra);
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storename(origname);
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setflag(file, NOTEDITED);
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}
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#endif
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if (cmd == CMD_FILE)
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{
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#ifndef CRUNCH
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msg("\"%s\" %s%s%s %ld lines, line %ld [%ld%%]",
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#else
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msg("\"%s\" %s%s %ld lines, line %ld [%ld%%]",
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#endif
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*origname ? origname : "[NO FILE]",
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tstflag(file, MODIFIED) ? "[MODIFIED]" : "",
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#ifndef CRUNCH
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tstflag(file, NOTEDITED) ?"[NOT EDITED]":"",
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#endif
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tstflag(file, READONLY) ? "[READONLY]" : "",
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nlines,
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markline(frommark),
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markline(frommark) * 100 / nlines);
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}
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#ifndef CRUNCH
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else if (markline(frommark) != markline(tomark))
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{
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msg("range \"%ld,%ld\" contains %ld lines",
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markline(frommark),
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markline(tomark),
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markline(tomark) - markline(frommark) + 1L);
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}
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#endif
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else
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{
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msg("%ld", markline(frommark));
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}
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}
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/*ARGSUSED*/
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void cmd_edit(frommark, tomark, cmd, bang, extra)
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MARK frommark, tomark;
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CMD cmd;
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int bang;
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char *extra;
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{
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long line = 1L; /* might be set to prevline */
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#ifndef CRUNCH
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char *init = (char *)0;
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#endif
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/* if ":vi", then switch to visual mode, and if no file is named
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* then don't switch files.
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*/
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if (cmd == CMD_VISUAL)
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{
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mode = MODE_VI;
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msg("");
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if (!*extra)
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{
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return;
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}
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}
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/* Editing previous file? Then start at previous line */
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if (!strcmp(extra, prevorig))
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{
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line = prevline;
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}
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#ifndef CRUNCH
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/* if we were given an explicit starting line, then start there */
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if (*extra == '+')
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{
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for (init = ++extra; !isspace(*extra); extra++)
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{
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}
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while (isspace(*extra))
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{
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*extra++ = '\0';
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}
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if (!*init)
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{
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init = "$";
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}
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if (!extra)
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{
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extra = origname;
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}
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}
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#endif /* not CRUNCH */
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/* switch files */
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if (tmpabort(bang))
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{
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tmpstart(extra);
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if (line <= nlines && line >= 1L)
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{
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cursor = MARK_AT_LINE(line);
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}
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#ifndef CRUNCH
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if (init)
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{
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doexcmd(init);
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}
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#endif
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}
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else
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{
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msg("Use edit! to abort changes, or w to save changes");
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/* so we can say ":e!#" next time... */
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strcpy(prevorig, extra);
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prevline = 1L;
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}
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}
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/* This code is also used for rewind -- GB */
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/*ARGSUSED*/
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void cmd_next(frommark, tomark, cmd, bang, extra)
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MARK frommark, tomark;
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CMD cmd;
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int bang;
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char *extra;
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{
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int i, j;
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char *scan;
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/* if extra stuff given, use ":args" to define a new args list */
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if (cmd == CMD_NEXT && extra && *extra)
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{
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cmd_args(frommark, tomark, cmd, bang, extra);
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}
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/* move to the next arg */
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if (cmd == CMD_NEXT)
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{
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i = argno + 1;
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}
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else if (cmd == CMD_PREVIOUS)
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{
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i = argno - 1;
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}
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else /* cmd == CMD_REWIND */
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{
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i = 0;
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}
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if (i < 0 || i >= nargs)
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{
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msg("No %sfiles to edit", cmd == CMD_REWIND ? "" : "more ");
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return;
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}
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|
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/* find & isolate the name of the file to edit */
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for (j = i, scan = args; j > 0; j--)
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{
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while(*scan++)
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{
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}
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}
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/* switch to the next file */
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if (tmpabort(bang))
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{
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tmpstart(scan);
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argno = i;
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}
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else
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{
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msg("Use :%s! to abort changes, or w to save changes",
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cmd == CMD_NEXT ? "next" :
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cmd == CMD_PREVIOUS ? "previous" :
|
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"rewind");
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}
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}
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|
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/* also called from :wq -- always writes back in this case */
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|
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/*ARGSUSED*/
|
|
void cmd_xit(frommark, tomark, cmd, bang, extra)
|
|
MARK frommark, tomark;
|
|
CMD cmd;
|
|
int bang;
|
|
char *extra;
|
|
{
|
|
static long whenwarned; /* when the user was last warned of extra files */
|
|
int oldflag;
|
|
|
|
/* if there are more files to edit, then warn user */
|
|
if (argno >= 0 && argno + 1 < nargs && whenwarned != changes && (!bang || cmd != CMD_QUIT))
|
|
{
|
|
msg("More files to edit -- Use \":n\" to go to next file");
|
|
whenwarned = changes;
|
|
return;
|
|
}
|
|
|
|
if (cmd == CMD_QUIT)
|
|
{
|
|
oldflag = *o_autowrite;
|
|
*o_autowrite = FALSE;
|
|
if (tmpabort(bang))
|
|
{
|
|
mode = MODE_QUIT;
|
|
}
|
|
else
|
|
{
|
|
msg("Use q! to abort changes, or wq to save changes");
|
|
}
|
|
*o_autowrite = oldflag;
|
|
}
|
|
else
|
|
{
|
|
/* else try to save this file */
|
|
oldflag = tstflag(file, MODIFIED);
|
|
if (cmd == CMD_WQUIT)
|
|
setflag(file, MODIFIED);
|
|
if (tmpend(bang))
|
|
{
|
|
mode = MODE_QUIT;
|
|
}
|
|
else
|
|
{
|
|
msg("Could not save file -- use quit! to abort changes, or w filename");
|
|
}
|
|
if (!oldflag)
|
|
clrflag(file, MODIFIED);
|
|
}
|
|
}
|
|
|
|
|
|
/*ARGSUSED*/
|
|
void cmd_args(frommark, tomark, cmd, bang, extra)
|
|
MARK frommark, tomark;
|
|
CMD cmd;
|
|
int bang;
|
|
char *extra;
|
|
{
|
|
char *scan;
|
|
int col;
|
|
int arg;
|
|
int scrolled = FALSE;
|
|
int width;
|
|
|
|
/* if no extra names given, or just current name, then report the args
|
|
* we have now.
|
|
*/
|
|
if (!extra || !*extra)
|
|
{
|
|
/* empty args list? */
|
|
if (nargs == 1 && !*args)
|
|
{
|
|
return;
|
|
}
|
|
|
|
/* list the arguments */
|
|
for (scan = args, col = arg = 0;
|
|
arg < nargs;
|
|
scan += width + 1, col += width, arg++)
|
|
{
|
|
width = strlen(scan);
|
|
if (col + width >= COLS - 4)
|
|
{
|
|
addch('\n');
|
|
col = 0;
|
|
scrolled = TRUE;
|
|
}
|
|
else if (col > 0)
|
|
{
|
|
addch(' ');
|
|
col++;
|
|
}
|
|
if (arg == argno)
|
|
{
|
|
addch('[');
|
|
addstr(scan);
|
|
addch(']');
|
|
col += 2;
|
|
}
|
|
else
|
|
{
|
|
addstr(scan);
|
|
}
|
|
}
|
|
|
|
/* write a trailing newline */
|
|
if ((mode == MODE_EX || mode == MODE_COLON || scrolled) && col)
|
|
{
|
|
addch('\n');
|
|
}
|
|
exrefresh();
|
|
}
|
|
else /* new args list given */
|
|
{
|
|
for (scan = args, nargs = 1; *extra; )
|
|
{
|
|
if (isspace(*extra))
|
|
{
|
|
*scan++ = '\0';
|
|
while (isspace(*extra))
|
|
{
|
|
extra++;
|
|
}
|
|
if (*extra)
|
|
{
|
|
nargs++;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
*scan++ = *extra++;
|
|
}
|
|
}
|
|
*scan = '\0';
|
|
|
|
/* reset argno to before the first, so :next will go to first */
|
|
argno = -1;
|
|
|
|
if (nargs != 1)
|
|
{
|
|
msg("%d files to edit", nargs);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*ARGSUSED*/
|
|
void cmd_cd(frommark, tomark, cmd, bang, extra)
|
|
MARK frommark, tomark;
|
|
CMD cmd;
|
|
int bang;
|
|
char *extra;
|
|
{
|
|
char *getenv();
|
|
|
|
#ifndef CRUNCH
|
|
/* if current file is modified, and no '!' was given, then error */
|
|
if (tstflag(file, MODIFIED) && !bang)
|
|
{
|
|
msg("File modified; use \"cd! %s\" to switch anyway", extra);
|
|
}
|
|
#endif
|
|
|
|
/* default directory name is $HOME */
|
|
if (!*extra)
|
|
{
|
|
extra = getenv("HOME");
|
|
if (!extra)
|
|
{
|
|
msg("environment variable $HOME not set");
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* go to the directory */
|
|
if (chdir(extra) < 0)
|
|
{
|
|
perror(extra);
|
|
}
|
|
}
|
|
|
|
|
|
/*ARGSUSED*/
|
|
void cmd_map(frommark, tomark, cmd, bang, extra)
|
|
MARK frommark, tomark;
|
|
CMD cmd;
|
|
int bang;
|
|
char *extra;
|
|
{
|
|
char *mapto;
|
|
char *build, *scan;
|
|
#ifndef NO_FKEY
|
|
static char *fnames[NFKEYS] =
|
|
{
|
|
"#10", "#1", "#2", "#3", "#4",
|
|
"#5", "#6", "#7", "#8", "#9",
|
|
# ifndef NO_SHIFT_FKEY
|
|
"#10s", "#1s", "#2s", "#3s", "#4s",
|
|
"#5s", "#6s", "#7s", "#8s", "#9s",
|
|
# ifndef NO_CTRL_FKEY
|
|
"#10c", "#1c", "#2c", "#3c", "#4c",
|
|
"#5c", "#6c", "#7c", "#8c", "#9c",
|
|
# ifndef NO_ALT_FKEY
|
|
"#10a", "#1a", "#2a", "#3a", "#4a",
|
|
"#5a", "#6a", "#7a", "#8a", "#9a",
|
|
# endif
|
|
# endif
|
|
# endif
|
|
};
|
|
int key;
|
|
#endif
|
|
|
|
/* "map" with no extra will dump the map table contents */
|
|
if (!*extra)
|
|
{
|
|
#ifndef NO_ABBR
|
|
if (cmd == CMD_ABBR)
|
|
{
|
|
dumpkey(bang ? WHEN_EX|WHEN_VIINP|WHEN_VIREP : WHEN_VIINP|WHEN_VIREP, TRUE);
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
dumpkey(bang ? WHEN_VIINP|WHEN_VIREP : WHEN_VICMD, FALSE);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* "extra" is key to map, followed by what it maps to */
|
|
|
|
/* handle quoting inside the "raw" string */
|
|
for (build = mapto = extra;
|
|
*mapto && (*mapto != ' ' && *mapto != '\t');
|
|
*build++ = *mapto++)
|
|
{
|
|
if (*mapto == ctrl('V') && mapto[1])
|
|
{
|
|
mapto++;
|
|
}
|
|
}
|
|
|
|
/* skip whitespace, and mark the end of the "raw" string */
|
|
while ((*mapto == ' ' || *mapto == '\t'))
|
|
{
|
|
*mapto++ = '\0';
|
|
}
|
|
*build = '\0';
|
|
|
|
/* strip ^Vs from the "cooked" string */
|
|
for (scan = build = mapto; *scan; *build++ = *scan++)
|
|
{
|
|
if (*scan == ctrl('V') && scan[1])
|
|
{
|
|
scan++;
|
|
}
|
|
}
|
|
*build = '\0';
|
|
|
|
#ifndef NO_FKEY
|
|
/* if the mapped string is '#' and a number, then assume
|
|
* the user wanted that function key
|
|
*/
|
|
if (extra[0] == '#' && isdigit(extra[1]))
|
|
{
|
|
key = atoi(extra + 1) % 10;
|
|
# ifndef NO_SHIFT_FKEY
|
|
build = extra + strlen(extra) - 1;
|
|
if (*build == 's')
|
|
key += 10;
|
|
# ifndef NO_CTRL_FKEY
|
|
else if (*build == 'c')
|
|
key += 20;
|
|
# ifndef NO_ALT_FKEY
|
|
else if (*build == 'a')
|
|
key += 30;
|
|
# endif
|
|
# endif
|
|
# endif
|
|
if (FKEY[key])
|
|
mapkey(FKEY[key], mapto, bang ? WHEN_VIINP|WHEN_VIREP : WHEN_VICMD, fnames[key]);
|
|
else
|
|
msg("This terminal has no %s key", fnames[key]);
|
|
}
|
|
else
|
|
#endif
|
|
#ifndef NO_ABBR
|
|
if (cmd == CMD_ABBR || cmd == CMD_UNABBR)
|
|
{
|
|
mapkey(extra, mapto, bang ? WHEN_EX|WHEN_VIINP|WHEN_VIREP : WHEN_VIINP|WHEN_VIREP, "abbr");
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
mapkey(extra, mapto, bang ? WHEN_VIINP|WHEN_VIREP : WHEN_VICMD, (char *)0);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*ARGSUSED*/
|
|
void cmd_set(frommark, tomark, cmd, bang, extra)
|
|
MARK frommark, tomark;
|
|
CMD cmd;
|
|
int bang;
|
|
char *extra;
|
|
{
|
|
if (!*extra)
|
|
{
|
|
dumpopts(FALSE);/* "FALSE" means "don't dump all" - only set */
|
|
}
|
|
else if (!strcmp(extra, "all"))
|
|
{
|
|
dumpopts(TRUE); /* "TRUE" means "dump all" - even unset vars */
|
|
}
|
|
else
|
|
{
|
|
setopts(extra);
|
|
|
|
/* That option may have affected the appearence of text */
|
|
changes++;
|
|
}
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
void cmd_tag(frommark, tomark, cmd, bang, extra)
|
|
MARK frommark, tomark;
|
|
CMD cmd;
|
|
int bang;
|
|
char *extra;
|
|
{
|
|
int fd; /* file descriptor used to read the file */
|
|
char *scan; /* used to scan through the tmpblk.c */
|
|
#ifdef INTERNAL_TAGS
|
|
char *cmp; /* char of tag name we're comparing, or NULL */
|
|
char *end; /* marks the end of chars in tmpblk.c */
|
|
#else
|
|
int i;
|
|
#endif
|
|
#ifndef NO_MAGIC
|
|
char wasmagic; /* preserves the original state of o_magic */
|
|
#endif
|
|
static char prevtag[30];
|
|
|
|
/* if no tag is given, use the previous tag */
|
|
if (!extra || !*extra)
|
|
{
|
|
if (!*prevtag)
|
|
{
|
|
msg("No previous tag");
|
|
return;
|
|
}
|
|
extra = prevtag;
|
|
}
|
|
else
|
|
{
|
|
strncpy(prevtag, extra, sizeof prevtag);
|
|
prevtag[sizeof prevtag - 1] = '\0';
|
|
}
|
|
|
|
#ifndef INTERNAL_TAGS
|
|
/* use "ref" to look up the tag info for this tag */
|
|
sprintf(tmpblk.c, "ref -t %s%s %s", (*origname ? "-f" : ""),origname, prevtag);
|
|
fd = rpipe(tmpblk.c, 0);
|
|
if (fd < 0)
|
|
{
|
|
msg("Can't run \"%s\"", tmpblk.c);
|
|
return;
|
|
}
|
|
|
|
/* try to read the tag info */
|
|
for (scan = tmpblk.c;
|
|
(i = tread(fd, scan, scan - tmpblk.c + BLKSIZE)) > 0;
|
|
scan += i)
|
|
{
|
|
}
|
|
*scan = '\0';
|
|
|
|
/* close the pipe. abort if error */
|
|
if (rpclose(fd) != 0 || scan < tmpblk.c + 3)
|
|
{
|
|
msg("tag \"%s\" not found", extra);
|
|
return;
|
|
}
|
|
|
|
#else /* use internal code to look up the tag */
|
|
/* open the tags file */
|
|
fd = open(TAGS, O_RDONLY);
|
|
if (fd < 0)
|
|
{
|
|
msg("No tags file");
|
|
return;
|
|
}
|
|
|
|
/* Hmmm... this would have been a lot easier with <stdio.h> */
|
|
|
|
/* find the line with our tag in it */
|
|
for(scan = end = tmpblk.c, cmp = extra; ; scan++)
|
|
{
|
|
/* read a block, if necessary */
|
|
if (scan >= end)
|
|
{
|
|
end = tmpblk.c + tread(fd, tmpblk.c, BLKSIZE);
|
|
scan = tmpblk.c;
|
|
if (scan >= end)
|
|
{
|
|
msg("tag \"%s\" not found", extra);
|
|
close(fd);
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* if we're comparing, compare... */
|
|
if (cmp)
|
|
{
|
|
/* matched??? wow! */
|
|
if (!*cmp && *scan == '\t')
|
|
{
|
|
break;
|
|
}
|
|
if (*cmp++ != *scan)
|
|
{
|
|
/* failed! skip to newline */
|
|
cmp = (char *)0;
|
|
}
|
|
}
|
|
|
|
/* if we're skipping to newline, do it fast! */
|
|
if (!cmp)
|
|
{
|
|
while (scan < end && *scan != '\n')
|
|
{
|
|
scan++;
|
|
}
|
|
if (scan < end)
|
|
{
|
|
cmp = extra;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* found it! get the rest of the line into memory */
|
|
for (cmp = tmpblk.c, scan++; scan < end && *scan != '\n'; )
|
|
{
|
|
*cmp++ = *scan++;
|
|
}
|
|
if (scan == end)
|
|
{
|
|
tread(fd, cmp, BLKSIZE - (int)(cmp - tmpblk.c));
|
|
}
|
|
else
|
|
*cmp = *scan;
|
|
|
|
/* we can close the tags file now */
|
|
close(fd);
|
|
#endif /* INTERNAL_TAGS */
|
|
|
|
/* extract the filename from the line, and edit the file */
|
|
for (scan = tmpblk.c; *scan != '\t'; scan++)
|
|
{
|
|
}
|
|
*scan++ = '\0';
|
|
if (strcmp(origname, tmpblk.c) != 0)
|
|
{
|
|
if (!tmpabort(bang))
|
|
{
|
|
msg("Use :tag! to abort changes, or :w to save changes");
|
|
return;
|
|
}
|
|
tmpstart(tmpblk.c);
|
|
}
|
|
|
|
/* move to the desired line (or to line 1 if that fails) */
|
|
#ifndef NO_MAGIC
|
|
wasmagic = *o_magic;
|
|
*o_magic = FALSE;
|
|
#endif
|
|
cursor = MARK_FIRST;
|
|
linespec(scan, &cursor);
|
|
if (cursor == MARK_UNSET)
|
|
{
|
|
cursor = MARK_FIRST;
|
|
msg("Tag's address is out of date");
|
|
}
|
|
#ifndef NO_MAGIC
|
|
*o_magic = wasmagic;
|
|
#endif
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* describe this version of the program */
|
|
/*ARGSUSED*/
|
|
void cmd_version(frommark, tomark, cmd, bang, extra)
|
|
MARK frommark;
|
|
MARK tomark;
|
|
CMD cmd;
|
|
int bang;
|
|
char *extra;
|
|
{
|
|
msg("%s", VERSION);
|
|
#ifdef CREDIT
|
|
msg("%s", CREDIT);
|
|
#endif
|
|
#ifdef CREDIT2
|
|
msg("%s", CREDIT2);
|
|
#endif
|
|
#ifdef COMPILED_BY
|
|
msg("Compiled by %s", COMPILED_BY);
|
|
#endif
|
|
#ifdef COPYING
|
|
msg("%s", COPYING);
|
|
#endif
|
|
}
|
|
|
|
|
|
#ifndef NO_MKEXRC
|
|
/* make a .exrc file which describes the current configuration */
|
|
/*ARGSUSED*/
|
|
void cmd_mkexrc(frommark, tomark, cmd, bang, extra)
|
|
MARK frommark;
|
|
MARK tomark;
|
|
CMD cmd;
|
|
int bang;
|
|
char *extra;
|
|
{
|
|
int fd;
|
|
|
|
/* the default name for the .exrc file EXRC */
|
|
if (!*extra)
|
|
{
|
|
extra = EXRC;
|
|
}
|
|
|
|
/* create the .exrc file */
|
|
fd = creat(extra, FILEPERMS);
|
|
if (fd < 0)
|
|
{
|
|
msg("Couldn't create a new \"%s\" file", extra);
|
|
return;
|
|
}
|
|
|
|
/* save stuff */
|
|
saveopts(fd);
|
|
savemaps(fd, FALSE);
|
|
#ifndef NO_ABBR
|
|
savemaps(fd, TRUE);
|
|
#endif
|
|
#ifndef NO_DIGRAPH
|
|
savedigs(fd);
|
|
#endif
|
|
#ifndef NO_COLOR
|
|
savecolor(fd);
|
|
#endif
|
|
|
|
/* close the file */
|
|
close(fd);
|
|
msg("Configuration saved");
|
|
}
|
|
#endif
|
|
|
|
#ifndef NO_DIGRAPH
|
|
/*ARGSUSED*/
|
|
void cmd_digraph(frommark, tomark, cmd, bang, extra)
|
|
MARK frommark;
|
|
MARK tomark;
|
|
CMD cmd;
|
|
int bang;
|
|
char *extra;
|
|
{
|
|
do_digraph(bang, extra);
|
|
}
|
|
#endif
|
|
|
|
|
|
#ifndef NO_ERRLIST
|
|
static char errfile[256]; /* the name of a file containing an error */
|
|
static long errline; /* the line number for an error */
|
|
static int errfd = -2; /* fd of the errlist file */
|
|
|
|
/* This static function tries to parse an error message.
|
|
*
|
|
* For most compilers, the first word is taken to be the name of the erroneous
|
|
* file, and the first number after that is taken to be the line number where
|
|
* the error was detected. The description of the error follows, possibly
|
|
* preceded by an "error ... :" or "warning ... :" label which is skipped.
|
|
*
|
|
* For Coherent, error messages look like "line#: filename: message".
|
|
*
|
|
* For non-error lines, or unparsable error lines, this function returns NULL.
|
|
* Normally, though, it alters errfile and errline, and returns a pointer to
|
|
* the description.
|
|
*/
|
|
static char *parse_errmsg(text)
|
|
REG char *text;
|
|
{
|
|
REG char *cpy;
|
|
long atol();
|
|
# if COHERENT || TOS /* any Mark Williams compiler */
|
|
/* Get the line number. If no line number, then ignore this line. */
|
|
errline = atol(text);
|
|
if (errline == 0L)
|
|
return (char *)0;
|
|
|
|
/* Skip to the start of the filename */
|
|
while (*text && *text++ != ':')
|
|
{
|
|
}
|
|
if (!*text++)
|
|
return (char *)0;
|
|
|
|
/* copy the filename to errfile */
|
|
for (cpy = errfile; *text && (*cpy++ = *text++) != ':'; )
|
|
{
|
|
}
|
|
if (!*text++)
|
|
return (char *)0;
|
|
cpy[-1] = '\0';
|
|
|
|
return text;
|
|
# else /* not a Mark Williams compiler */
|
|
char *errmsg;
|
|
|
|
/* the error message is the whole line, by default */
|
|
errmsg = text;
|
|
|
|
/* skip leading garbage */
|
|
while (*text && !isalnum(*text))
|
|
{
|
|
text++;
|
|
}
|
|
|
|
/* copy over the filename */
|
|
cpy = errfile;
|
|
while(isalnum(*text) || *text == '.')
|
|
{
|
|
*cpy++ = *text++;
|
|
}
|
|
*cpy = '\0';
|
|
|
|
/* ignore the name "Error" and filenames that contain a '/' */
|
|
if (*text == '/' || !*errfile || !strcmp(errfile + 1, "rror") || access(errfile, 0) < 0)
|
|
{
|
|
return (char *)0;
|
|
}
|
|
|
|
/* skip garbage between filename and line number */
|
|
while (*text && !isdigit(*text))
|
|
{
|
|
text++;
|
|
}
|
|
|
|
/* if the number is part of a larger word, then ignore this line */
|
|
if (*text && isalpha(text[-1]))
|
|
{
|
|
return (char *)0;
|
|
}
|
|
|
|
/* get the error line */
|
|
errline = 0L;
|
|
while (isdigit(*text))
|
|
{
|
|
errline *= 10;
|
|
errline += (*text - '0');
|
|
text++;
|
|
}
|
|
|
|
/* any line which lacks a filename or line number should be ignored */
|
|
if (!errfile[0] || !errline)
|
|
{
|
|
return (char *)0;
|
|
}
|
|
|
|
/* locate the beginning of the error description */
|
|
while (*text && !isspace(*text))
|
|
{
|
|
text++;
|
|
}
|
|
while (*text)
|
|
{
|
|
# ifndef CRUNCH
|
|
/* skip "error #:" and "warning #:" clauses */
|
|
if (!strncmp(text + 1, "rror ", 5)
|
|
|| !strncmp(text + 1, "arning ", 7)
|
|
|| !strncmp(text + 1, "atal error", 10))
|
|
{
|
|
do
|
|
{
|
|
text++;
|
|
} while (*text && *text != ':');
|
|
continue;
|
|
}
|
|
# endif
|
|
|
|
/* anything other than whitespace or a colon is important */
|
|
if (!isspace(*text) && *text != ':')
|
|
{
|
|
errmsg = text;
|
|
break;
|
|
}
|
|
|
|
/* else keep looking... */
|
|
text++;
|
|
}
|
|
|
|
return errmsg;
|
|
# endif /* not COHERENT */
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
void cmd_errlist(frommark, tomark, cmd, bang, extra)
|
|
MARK frommark, tomark;
|
|
CMD cmd;
|
|
int bang;
|
|
char *extra;
|
|
{
|
|
static long endline;/* original number of lines in this file */
|
|
static long offset; /* offset of the next line in the errlist file */
|
|
int i;
|
|
char *errmsg;
|
|
|
|
/* if a new errlist file is named, open it */
|
|
if (extra && extra[0])
|
|
{
|
|
/* close the old one */
|
|
if (errfd >= 0)
|
|
{
|
|
close(errfd);
|
|
}
|
|
|
|
/* open the new one */
|
|
errfd = open(extra, O_RDONLY);
|
|
offset = 0L;
|
|
endline = nlines;
|
|
}
|
|
else if (errfd < 0)
|
|
{
|
|
/* open the default file */
|
|
errfd = open(ERRLIST, O_RDONLY);
|
|
offset = 0L;
|
|
endline = nlines;
|
|
}
|
|
|
|
/* do we have an errlist file now? */
|
|
if (errfd < 0)
|
|
{
|
|
msg("There is no errlist file");
|
|
beep();
|
|
return;
|
|
}
|
|
|
|
/* find the next error message in the file */
|
|
do
|
|
{
|
|
/* read the next line from the errlist */
|
|
lseek(errfd, offset, 0);
|
|
if (tread(errfd, tmpblk.c, (unsigned)BLKSIZE) <= 0)
|
|
{
|
|
msg("No more errors");
|
|
beep();
|
|
close(errfd);
|
|
errfd = -2;
|
|
return;
|
|
}
|
|
for (i = 0; tmpblk.c[i] != '\n'; i++)
|
|
{
|
|
}
|
|
tmpblk.c[i++] = 0;
|
|
|
|
/* look for an error message in the line */
|
|
errmsg = parse_errmsg(tmpblk.c);
|
|
if (!errmsg)
|
|
{
|
|
offset += i;
|
|
}
|
|
|
|
} while (!errmsg);
|
|
|
|
/* switch to the file containing the error, if this isn't it */
|
|
if (strcmp(origname, errfile))
|
|
{
|
|
if (!tmpabort(bang))
|
|
{
|
|
msg("Use :er! to abort changes, or :w to save changes");
|
|
beep();
|
|
return;
|
|
}
|
|
tmpstart(errfile);
|
|
endline = nlines;
|
|
}
|
|
else if (endline == 0L)
|
|
{
|
|
endline = nlines;
|
|
}
|
|
|
|
/* go to the line where the error was detected */
|
|
cursor = MARK_AT_LINE(errline + (nlines - endline));
|
|
if (cursor > MARK_LAST)
|
|
{
|
|
cursor = MARK_LAST;
|
|
}
|
|
if (mode == MODE_VI)
|
|
{
|
|
redraw(cursor, FALSE);
|
|
}
|
|
|
|
/* display the error message */
|
|
#ifdef CRUNCH
|
|
msg("%.70s", errmsg);
|
|
#else
|
|
if (nlines > endline)
|
|
{
|
|
msg("line %ld(+%ld): %.60s", errline, nlines - endline, errmsg);
|
|
}
|
|
else if (nlines < endline)
|
|
{
|
|
msg("line %ld(-%ld): %.60s", errline, endline - nlines, errmsg);
|
|
}
|
|
else
|
|
{
|
|
msg("line %ld: %.65s", errline, errmsg);
|
|
}
|
|
#endif
|
|
|
|
/* remember where the NEXT error line will start */
|
|
offset += i;
|
|
}
|
|
|
|
|
|
/*ARGSUSED*/
|
|
void cmd_make(frommark, tomark, cmd, bang, extra)
|
|
MARK frommark, tomark;
|
|
CMD cmd;
|
|
int bang;
|
|
char *extra;
|
|
{
|
|
BLK buf;
|
|
|
|
/* if the file hasn't been saved, then complain unless ! */
|
|
if (tstflag(file, MODIFIED) && !bang)
|
|
{
|
|
msg("\"%s\" not saved yet", origname);
|
|
return;
|
|
}
|
|
|
|
/* build the command */
|
|
sprintf(buf.c, "%s %s %s%s", (cmd == CMD_CC ? o_cc : o_make), extra, REDIRECT, ERRLIST);
|
|
qaddstr(buf.c);
|
|
addch('\n');
|
|
|
|
/* close the old errlist file, if any */
|
|
if (errfd >= 0)
|
|
{
|
|
close(errfd);
|
|
errfd = -3;
|
|
}
|
|
|
|
/* run the command, with curses temporarily disabled */
|
|
suspend_curses();
|
|
system(buf.c);
|
|
resume_curses(mode == MODE_EX);
|
|
if (mode == MODE_COLON)
|
|
mode = MODE_VI;
|
|
|
|
/* run the "errlist" command */
|
|
cmd_errlist(MARK_UNSET, MARK_UNSET, cmd, bang, ERRLIST);
|
|
}
|
|
#endif
|
|
|
|
|
|
|
|
#ifndef NO_COLOR
|
|
|
|
/* figure out the number of text colors we use with this configuration */
|
|
# ifndef NO_POPUP
|
|
# ifndef NO_VISIBLE
|
|
# define NCOLORS 7
|
|
# else
|
|
# define NCOLORS 6
|
|
# endif
|
|
# else
|
|
# ifndef NO_VISIBLE
|
|
# define NCOLORS 6
|
|
# else
|
|
# define NCOLORS 5
|
|
# endif
|
|
# endif
|
|
|
|
/* the attribute bytes used in each of "when"s */
|
|
static char bytes[NCOLORS];
|
|
|
|
static struct
|
|
{
|
|
char *word; /* a legal word */
|
|
int type; /* what type of word this is */
|
|
int val; /* some other value */
|
|
}
|
|
words[] =
|
|
{
|
|
{"normal", 1, A_NORMAL}, /* all "when" names must come */
|
|
{"standout", 1, A_STANDOUT}, /* at the top of the list. */
|
|
{"bold", 1, A_BOLD}, /* The first 3 must be normal,*/
|
|
{"underlined", 1, A_UNDERLINE}, /* standout, and bold; the */
|
|
{"italics", 1, A_ALTCHARSET}, /* remaining names follow. */
|
|
#ifndef NO_POPUP
|
|
{"popup", 1, A_POPUP},
|
|
#endif
|
|
#ifndef NO_VISIBLE
|
|
{"visible", 1, A_VISIBLE},
|
|
#endif
|
|
|
|
{"black", 3, 0x00}, /* The color names start right*/
|
|
{"blue", 3, 0x01}, /* after the "when" names. */
|
|
{"green", 3, 0x02},
|
|
{"cyan", 3, 0x03},
|
|
{"red", 3, 0x04},
|
|
{"magenta", 3, 0x05},
|
|
{"brown", 3, 0x06},
|
|
{"white", 3, 0x07},
|
|
{"yellow", 3, 0x0E}, /* bright brown */
|
|
{"gray", 3, 0x08}, /* bright black? of course! */
|
|
{"grey", 3, 0x08},
|
|
|
|
{"bright", 2, 0x08},
|
|
{"light", 2, 0x08},
|
|
{"blinking", 2, 0x80},
|
|
{"on", 0, 0},
|
|
{"n", 1, A_NORMAL},
|
|
{"s", 1, A_STANDOUT},
|
|
{"b", 1, A_BOLD},
|
|
{"u", 1, A_UNDERLINE},
|
|
{"i", 1, A_ALTCHARSET},
|
|
#ifndef NO_POPUP
|
|
{"p", 1, A_POPUP},
|
|
{"menu", 1, A_POPUP},
|
|
#endif
|
|
#ifndef NO_VISIBLE
|
|
{"v", 1, A_VISIBLE},
|
|
#endif
|
|
{(char *)0, 0, 0}
|
|
};
|
|
|
|
/*ARGSUSED*/
|
|
void cmd_color(frommark, tomark, cmd, bang, extra)
|
|
MARK frommark, tomark;
|
|
CMD cmd;
|
|
int bang;
|
|
char *extra;
|
|
{
|
|
int attrbyte;
|
|
int cmode;
|
|
int nowbg; /* BOOLEAN: is the next color background? */
|
|
|
|
REG char *scan;
|
|
REG i;
|
|
|
|
|
|
#ifndef CRUNCH
|
|
/* if no args are given, then report the current colors */
|
|
if (!*extra)
|
|
{
|
|
/* if no colors are set, then say so */
|
|
if (!bytes[0])
|
|
{
|
|
msg("no colors have been set");
|
|
return;
|
|
}
|
|
|
|
/* report all five color combinations */
|
|
for (i = 0; i < NCOLORS; i++)
|
|
{
|
|
qaddstr("color ");
|
|
qaddstr(words[i].word);
|
|
qaddch(' ');
|
|
if (bytes[i] & 0x80)
|
|
qaddstr("blinking ");
|
|
switch (bytes[i] & 0xf)
|
|
{
|
|
case 0x08: qaddstr("gray"); break;
|
|
case 0x0e: qaddstr("yellow"); break;
|
|
case 0x0f: qaddstr("bright white");break;
|
|
default:
|
|
if (bytes[i] & 0x08)
|
|
qaddstr("light ");
|
|
qaddstr(words[(bytes[i] & 0x07) + NCOLORS].word);
|
|
}
|
|
qaddstr(" on ");
|
|
qaddstr(words[((bytes[i] >> 4) & 0x07) + NCOLORS].word);
|
|
addch('\n');
|
|
exrefresh();
|
|
}
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
/* The default background color is the same as "normal" chars.
|
|
* There is no default foreground color.
|
|
*/
|
|
cmode = A_NORMAL;
|
|
attrbyte = bytes[0] & 0x70;
|
|
nowbg = FALSE;
|
|
|
|
/* parse each word in the "extra" text */
|
|
for (scan = extra; *extra; extra = scan)
|
|
{
|
|
/* locate the end of the word */
|
|
while (*scan && *scan != ' ')
|
|
{
|
|
scan++;
|
|
}
|
|
|
|
/* skip whitespace at the end of the word */
|
|
while(*scan == ' ')
|
|
{
|
|
*scan++ = '\0';
|
|
}
|
|
|
|
/* lookup the word */
|
|
for (i = 0; words[i].word && strcmp(words[i].word, extra); i++)
|
|
{
|
|
}
|
|
|
|
/* if not a word, then complain */
|
|
if (!words[i].word)
|
|
{
|
|
msg("Invalid color name: %s", extra);
|
|
return;
|
|
}
|
|
|
|
/* process the word */
|
|
switch (words[i].type)
|
|
{
|
|
case 1:
|
|
cmode = words[i].val;
|
|
break;
|
|
|
|
case 2:
|
|
attrbyte |= words[i].val;
|
|
break;
|
|
|
|
case 3:
|
|
if (nowbg)
|
|
attrbyte = ((attrbyte & ~0x70) | ((words[i].val & 0x07) << 4));
|
|
else
|
|
attrbyte |= words[i].val;
|
|
nowbg = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* if nowbg isn't set now, then we were never given a foreground color */
|
|
if (!nowbg)
|
|
{
|
|
msg("usage: color [when] [\"bright\"] [\"blinking\"] foreground [background]");
|
|
return;
|
|
}
|
|
|
|
/* the first ":color" command MUST define the "normal" colors */
|
|
if (!bytes[0])
|
|
cmode = A_NORMAL;
|
|
|
|
/* we should now have a cmode and an attribute byte... */
|
|
|
|
/* set the color */
|
|
setcolor(cmode, attrbyte);
|
|
|
|
/* remember what we just did */
|
|
bytes[cmode] = attrbyte;
|
|
|
|
/* if the other colors haven't been set yet, then set them to defaults */
|
|
if (!bytes[1])
|
|
{
|
|
/* standout is the opposite of normal */
|
|
bytes[1] = ((attrbyte << 4) & 0x70 | (attrbyte >> 4) & 0x07);
|
|
setcolor(A_STANDOUT, bytes[1]);
|
|
|
|
/* if "normal" isn't bright, then bold defaults to normal+bright
|
|
* else bold defaults to bright white.
|
|
*/
|
|
bytes[2] = attrbyte | ((attrbyte & 0x08) ? 0x0f : 0x08);
|
|
setcolor(A_BOLD, bytes[2]);
|
|
|
|
/* all others default to the "standout" colors, without blinking */
|
|
for (i = 3; i < NCOLORS; i++)
|
|
{
|
|
bytes[i] = (bytes[1] & 0x7f);
|
|
setcolor(words[i].val, bytes[i]);
|
|
}
|
|
}
|
|
|
|
/* force a redraw, so we see the new colors */
|
|
redraw(MARK_UNSET, FALSE);
|
|
}
|
|
|
|
|
|
|
|
void savecolor(fd)
|
|
int fd; /* file descriptor to write colors to */
|
|
{
|
|
int i;
|
|
char buf[80];
|
|
|
|
/* if no colors are set, then return */
|
|
if (!bytes[0])
|
|
{
|
|
return;
|
|
}
|
|
|
|
/* save all five color combinations */
|
|
for (i = 0; i < NCOLORS; i++)
|
|
{
|
|
strcpy(buf, "color ");
|
|
strcat(buf, words[i].word);
|
|
strcat(buf, " ");
|
|
if (bytes[i] & 0x80)
|
|
strcat(buf, "blinking ");
|
|
switch (bytes[i] & 0xf)
|
|
{
|
|
case 0x08: strcat(buf, "gray"); break;
|
|
case 0x0e: strcat(buf, "yellow"); break;
|
|
case 0x0f: strcat(buf, "bright white");break;
|
|
default:
|
|
if (bytes[i] & 0x08)
|
|
strcat(buf, "light ");
|
|
strcat(buf, words[(bytes[i] & 0x07) + NCOLORS].word);
|
|
}
|
|
strcat(buf, " on ");
|
|
strcat(buf, words[((bytes[i] >> 4) & 0x07) + NCOLORS].word);
|
|
strcat(buf, "\n");
|
|
twrite(fd, buf, (unsigned)strlen(buf));
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#ifdef SIGTSTP
|
|
/* temporarily suspend elvis */
|
|
/*ARGSUSED*/
|
|
void cmd_suspend(frommark, tomark, cmd, bang, extra)
|
|
MARK frommark;
|
|
MARK tomark;
|
|
CMD cmd;
|
|
int bang;
|
|
char *extra;
|
|
{
|
|
void (*func)(); /* stores the previous setting of SIGTSTP */
|
|
|
|
#if ANY_UNIX
|
|
/* the Bourne shell can't handle ^Z */
|
|
if (!strcmp(o_shell, "/bin/sh"))
|
|
{
|
|
msg("The /bin/sh shell doesn't support ^Z");
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
move(LINES - 1, 0);
|
|
if (tstflag(file, MODIFIED))
|
|
{
|
|
addstr("Warning: \"");
|
|
addstr(origname);
|
|
addstr("\" modified but not yet saved");
|
|
clrtoeol();
|
|
}
|
|
refresh();
|
|
suspend_curses();
|
|
func = signal(SIGTSTP, SIG_DFL);
|
|
kill (0, SIGTSTP);
|
|
|
|
/* the process stops and resumes here */
|
|
|
|
signal(SIGTSTP, func);
|
|
resume_curses(TRUE);
|
|
if (mode == MODE_VI || mode == MODE_COLON)
|
|
redraw(MARK_UNSET, FALSE);
|
|
else
|
|
refresh ();
|
|
}
|
|
#endif
|