Annotation of src/usr.bin/mg/file.c, Revision 1.36
1.36 ! kjell 1: /* $OpenBSD: file.c,v 1.35 2005/05/30 13:13:50 jason Exp $ */
1.5 niklas 2:
1.1 deraadt 3: /*
1.4 millert 4: * File commands.
1.1 deraadt 5: */
6:
1.6 art 7: #include <libgen.h>
1.4 millert 8: #include "def.h"
9:
1.1 deraadt 10: /*
1.4 millert 11: * Insert a file into the current buffer. Real easy - just call the
1.1 deraadt 12: * insertfile routine with the file name.
13: */
1.3 millert 14: /* ARGSUSED */
15: int
1.15 vincent 16: fileinsert(int f, int n)
1.1 deraadt 17: {
1.29 vincent 18: char fname[NFILEN], *bufp, *adjf;
1.1 deraadt 19:
1.29 vincent 20: bufp = eread("Insert file: ", fname, NFILEN, EFNEW | EFCR | EFFILE);
21: if (bufp == NULL)
1.32 db 22: return (ABORT);
1.29 vincent 23: else if (bufp[0] == '\0')
1.32 db 24: return (FALSE);
1.29 vincent 25: adjf = adjustname(bufp);
1.22 vincent 26: if (adjf == NULL)
27: return (FALSE);
1.32 db 28: return (insertfile(adjf, NULL, FALSE));
1.1 deraadt 29: }
30:
31: /*
1.9 mickey 32: * Select a file for editing. Look around to see if you can find the file
1.4 millert 33: * in another buffer; if you can find it, just switch to the buffer. If
1.9 mickey 34: * you cannot find the file, create a new buffer, read in the text, and
1.4 millert 35: * switch to the new buffer.
1.1 deraadt 36: */
1.3 millert 37: /* ARGSUSED */
38: int
1.15 vincent 39: filevisit(int f, int n)
1.1 deraadt 40: {
1.4 millert 41: BUFFER *bp;
1.34 cloder 42: char fname[NFILEN], *bufp, *adjf, *slash;
43:
44: if (curbp->b_fname && curbp->b_fname[0] != '\0') {
45: strlcpy(fname, curbp->b_fname, sizeof(fname));
46: if ((slash = strrchr(fname, '/')) != NULL) {
47: *(slash + 1) = '\0';
48: }
49: }
50: else
51: fname[0] = '\0';
1.1 deraadt 52:
1.34 cloder 53: bufp = eread("Find file: ", fname, NFILEN, EFNEW | EFCR | EFFILE | EFDEF);
1.29 vincent 54: if (bufp == NULL)
1.32 db 55: return (ABORT);
1.29 vincent 56: else if (bufp[0] == '\0')
1.32 db 57: return (FALSE);
1.1 deraadt 58: adjf = adjustname(fname);
1.22 vincent 59: if (adjf == NULL)
60: return (FALSE);
1.3 millert 61: if ((bp = findbuffer(adjf)) == NULL)
1.32 db 62: return (FALSE);
1.1 deraadt 63: curbp = bp;
1.3 millert 64: if (showbuffer(bp, curwp, WFHARD) != TRUE)
1.32 db 65: return (FALSE);
1.30 jfb 66: if (bp->b_fname[0] == 0) {
67: int status;
68:
69: if ((status = readin(adjf)) != TRUE)
70: killbuffer(bp);
1.32 db 71: return (status);
1.30 jfb 72: }
1.32 db 73: return (TRUE);
1.35 jason 74: }
75:
1.36 ! kjell 76: /*
! 77: * Replace the current file with an alternate one. Semantics for finding
! 78: * the replacement file are the same as 'filevisit', except the current
! 79: * buffer is killed before the switch. If the kill fails, or is aborted,
! 80: * revert to the original file.
! 81: */
1.35 jason 82: int
83: filevisitalt(int f, int n)
84: {
1.36 ! kjell 85: BUFFER *bp;
! 86: char fname[NFILEN], *bufp, *adjf, *slash;
! 87: int status;
! 88:
! 89: if (curbp->b_fname && curbp->b_fname[0] != '\0') {
! 90: strlcpy(fname, curbp->b_fname, sizeof(fname));
! 91: if ((slash = strrchr(fname, '/')) != NULL) {
! 92: *(slash + 1) = '\0';
! 93: }
! 94: } else
! 95: fname[0] = '\0';
! 96:
! 97: bufp = eread("Find alternate file: ", fname, NFILEN,
! 98: EFNEW | EFCR | EFFILE | EFDEF);
! 99: if (bufp == NULL)
1.35 jason 100: return (ABORT);
1.36 ! kjell 101: else if (bufp[0] == '\0')
! 102: return (FALSE);
! 103:
! 104: status = killbuffer(curbp);
! 105: if (status == ABORT || status == FALSE)
! 106: return (ABORT);
! 107:
! 108: adjf = adjustname(fname);
! 109: if (adjf == NULL)
! 110: return (FALSE);
! 111: if ((bp = findbuffer(adjf)) == NULL)
! 112: return (FALSE);
! 113: curbp = bp;
! 114: if (showbuffer(bp, curwp, WFHARD) != TRUE)
! 115: return (FALSE);
! 116: if (bp->b_fname[0] == '\0') {
! 117: if ((status = readin(adjf)) != TRUE)
! 118: killbuffer(bp);
! 119: return (status);
! 120: }
! 121: return (TRUE);
1.1 deraadt 122: }
123:
1.17 vincent 124: int
125: filevisitro(int f, int n)
126: {
127: int error;
128:
129: error = filevisit(f, n);
130: if (error != TRUE)
131: return (error);
132: curbp->b_flag |= BFREADONLY;
133: return (TRUE);
134: }
1.32 db 135:
1.1 deraadt 136: /*
1.4 millert 137: * Pop to a file in the other window. Same as the last function, but uses
1.1 deraadt 138: * popbuf instead of showbuffer.
139: */
1.3 millert 140: /* ARGSUSED */
141: int
1.15 vincent 142: poptofile(int f, int n)
1.1 deraadt 143: {
1.4 millert 144: BUFFER *bp;
145: MGWIN *wp;
1.29 vincent 146: char fname[NFILEN], *adjf, *bufp;
1.1 deraadt 147:
1.29 vincent 148: if ((bufp = eread("Find file in other window: ", fname, NFILEN,
149: EFNEW | EFCR | EFFILE)) == NULL)
1.32 db 150: return (ABORT);
1.29 vincent 151: else if (bufp[0] == '\0')
1.32 db 152: return (FALSE);
1.1 deraadt 153: adjf = adjustname(fname);
1.22 vincent 154: if (adjf == NULL)
155: return (FALSE);
1.3 millert 156: if ((bp = findbuffer(adjf)) == NULL)
1.32 db 157: return (FALSE);
1.3 millert 158: if ((wp = popbuf(bp)) == NULL)
1.32 db 159: return (FALSE);
1.1 deraadt 160: curbp = bp;
161: curwp = wp;
1.30 jfb 162: if (bp->b_fname[0] == 0) {
163: int status;
164:
165: if ((status = readin(adjf)) != TRUE)
166: killbuffer(bp);
1.32 db 167: return (status);
1.30 jfb 168: }
1.32 db 169: return (TRUE);
1.1 deraadt 170: }
171:
172: /*
1.32 db 173: * Given a file name, either find the buffer it uses, or create a new
1.1 deraadt 174: * empty buffer to put it in.
175: */
176: BUFFER *
1.14 vincent 177: findbuffer(char *fname)
1.1 deraadt 178: {
1.4 millert 179: BUFFER *bp;
1.10 vincent 180: char bname[NBUFN];
1.20 vincent 181: unsigned int count, remain, i;
1.1 deraadt 182:
1.3 millert 183: for (bp = bheadp; bp != NULL; bp = bp->b_bufp) {
1.6 art 184: if (strcmp(bp->b_fname, fname) == 0)
1.32 db 185: return (bp);
1.1 deraadt 186: }
1.14 vincent 187: i = strlcpy(bname, basename(fname), sizeof(bname));
1.33 beck 188: if (i >= sizeof(bname))
189: return NULL;
1.14 vincent 190: remain = sizeof(bname) - i;
191: for (count = 2; bfind(bname, FALSE) != NULL; count++)
192: snprintf(&bname[i], remain, "<%d>", count);
1.10 vincent 193:
1.32 db 194: return (bfind(bname, TRUE));
1.1 deraadt 195: }
196:
197: /*
1.9 mickey 198: * Read the file "fname" into the current buffer. Make all of the text
199: * in the buffer go away, after checking for unsaved changes. This is
200: * called by the "read" command, the "visit" command, and the mainline
1.19 vincent 201: * (for "mg file").
1.1 deraadt 202: */
1.3 millert 203: int
1.19 vincent 204: readin(char *fname)
1.3 millert 205: {
1.4 millert 206: MGWIN *wp;
1.18 vincent 207: int status, i;
1.20 vincent 208: PF *ael;
1.1 deraadt 209:
1.4 millert 210: /* might be old */
211: if (bclear(curbp) != TRUE)
1.32 db 212: return (TRUE);
1.30 jfb 213: if ((status = insertfile(fname, fname, TRUE)) != TRUE) {
214: ewprintf("File is not readable: %s", fname);
1.32 db 215: return (FALSE);
1.30 jfb 216: }
1.18 vincent 217:
218: /*
219: * Call auto-executing function if we need to.
220: */
221: if ((ael = find_autoexec(fname)) != NULL) {
222: for (i = 0; ael[i] != NULL; i++)
223: (*ael[i])(0, 1);
224: free(ael);
225: }
1.4 millert 226:
227: /* no change */
228: curbp->b_flag &= ~BFCHG;
1.3 millert 229: for (wp = wheadp; wp != NULL; wp = wp->w_wndp) {
1.1 deraadt 230: if (wp->w_bufp == curbp) {
1.3 millert 231: wp->w_dotp = wp->w_linep = lforw(curbp->b_linep);
232: wp->w_doto = 0;
1.1 deraadt 233: wp->w_markp = NULL;
234: wp->w_marko = 0;
235: }
236: }
1.16 vincent 237:
1.32 db 238: /* We need to set the READONLY flag after we insert the file. */
1.16 vincent 239: if (access(fname, W_OK) && errno != ENOENT)
240: curbp->b_flag |= BFREADONLY;
241: else
242: curbp->b_flag &=~ BFREADONLY;
1.25 deraadt 243:
1.24 deraadt 244: if (startrow)
245: gotoline(FFARG, startrow);
1.16 vincent 246:
1.32 db 247: return (status);
1.1 deraadt 248: }
1.4 millert 249:
1.1 deraadt 250: /*
251: * NB, getting file attributes is done here under control of a flag
252: * rather than in readin, which would be cleaner. I was concerned
253: * that some operating system might require the file to be open
254: * in order to get the information. Similarly for writing.
255: */
256:
257: /*
1.9 mickey 258: * Insert a file in the current buffer, after dot. Set mark at the end of
259: * the text inserted; point at the beginning. Return a standard status.
1.31 henning 260: * Print a summary (lines read, error message) out as well. Unless the
1.32 db 261: * NO_BACKUP conditional is set, this routine also does the read end of
1.31 henning 262: * backup processing. The BFBAK flag, if set in a buffer, says that a
263: * backup should be taken. It is set when a file is read in, but not on
264: * a new file. (You don't need to make a backup copy of nothing.)
1.1 deraadt 265: */
1.9 mickey 266: static char *line = NULL;
267: static int linesize = 0;
1.1 deraadt 268:
1.3 millert 269: int
1.20 vincent 270: insertfile(char *fname, char *newname, int needinfo)
1.3 millert 271: {
1.4 millert 272: BUFFER *bp;
273: LINE *lp1, *lp2;
274: LINE *olp; /* line we started at */
275: MGWIN *wp;
1.23 vincent 276: int nbytes, s, nline, siz, x = -1, x2;
1.19 vincent 277: int opos; /* offset we started at */
1.4 millert 278:
1.23 vincent 279: if (needinfo)
280: x = undo_enable(FALSE);
281:
1.4 millert 282: lp1 = NULL;
1.1 deraadt 283: if (line == NULL) {
284: line = malloc(NLINE);
1.21 vincent 285: if (line == NULL)
286: panic("out of memory");
1.1 deraadt 287: linesize = NLINE;
288: }
1.4 millert 289:
290: /* cheap */
291: bp = curbp;
1.8 art 292: if (newname != NULL)
1.10 vincent 293: (void)strlcpy(bp->b_fname, newname, sizeof bp->b_fname);
1.4 millert 294:
295: /* hard file open */
1.8 art 296: if ((s = ffropen(fname, needinfo ? bp : NULL)) == FIOERR)
1.1 deraadt 297: goto out;
1.4 millert 298: if (s == FIOFNF) {
299: /* file not found */
1.1 deraadt 300: if (newname != NULL)
301: ewprintf("(New file)");
1.3 millert 302: else
303: ewprintf("(File not found)");
1.1 deraadt 304: goto out;
305: }
306: opos = curwp->w_doto;
1.4 millert 307:
308: /* open a new line, at point, and start inserting after it */
1.23 vincent 309: x2 = undo_enable(FALSE);
1.20 vincent 310: (void)lnewline();
1.1 deraadt 311: olp = lback(curwp->w_dotp);
1.3 millert 312: if (olp == curbp->b_linep) {
1.1 deraadt 313: /* if at end of buffer, create a line to insert before */
1.7 art 314: (void)lnewline();
1.1 deraadt 315: curwp->w_dotp = lback(curwp->w_dotp);
316: }
1.23 vincent 317: undo_enable(x2);
1.4 millert 318:
319: /* don't count fake lines at the end */
320: nline = 0;
1.19 vincent 321: siz = 0;
1.3 millert 322: while ((s = ffgetline(line, linesize, &nbytes)) != FIOERR) {
1.1 deraadt 323: doneread:
1.19 vincent 324: siz += nbytes + 1;
1.3 millert 325: switch (s) {
326: case FIOSUC:
327: ++nline;
328: /* and continue */
1.4 millert 329: case FIOEOF:
330: /* the last line of the file */
1.3 millert 331: if ((lp1 = lalloc(nbytes)) == NULL) {
1.4 millert 332: /* keep message on the display */
333: s = FIOERR;
334: goto endoffile;
1.3 millert 335: }
336: bcopy(line, <ext(lp1)[0], nbytes);
337: lp2 = lback(curwp->w_dotp);
338: lp2->l_fp = lp1;
339: lp1->l_fp = curwp->w_dotp;
340: lp1->l_bp = lp2;
341: curwp->w_dotp->l_bp = lp1;
342: if (s == FIOEOF)
343: goto endoffile;
344: break;
1.19 vincent 345: case FIOLONG: {
1.4 millert 346: /* a line too long to fit in our buffer */
1.9 mickey 347: char *cp;
348: int newsize;
1.3 millert 349:
350: newsize = linesize * 2;
351: if (newsize < 0 ||
1.4 millert 352: (cp = malloc((unsigned)newsize)) == NULL) {
1.3 millert 353: ewprintf("Could not allocate %d bytes",
1.4 millert 354: newsize);
355: s = FIOERR;
356: goto endoffile;
1.3 millert 357: }
358: bcopy(line, cp, linesize);
359: free(line);
360: line = cp;
1.9 mickey 361: s = ffgetline(line + linesize, linesize,
1.4 millert 362: &nbytes);
1.3 millert 363: nbytes += linesize;
364: linesize = newsize;
365: if (s == FIOERR)
366: goto endoffile;
367: goto doneread;
368: }
369: default:
370: ewprintf("Unknown code %d reading file", s);
371: s = FIOERR;
372: break;
1.1 deraadt 373: }
374: }
375: endoffile:
1.28 vincent 376: undo_add_insert(olp, opos, siz-1);
1.19 vincent 377:
1.4 millert 378: /* ignore errors */
1.8 art 379: ffclose(NULL);
1.4 millert 380: /* don't zap an error */
381: if (s == FIOEOF) {
1.3 millert 382: if (nline == 1)
383: ewprintf("(Read 1 line)");
384: else
385: ewprintf("(Read %d lines)", nline);
1.1 deraadt 386: }
1.4 millert 387: /* set mark at the end of the text */
1.1 deraadt 388: curwp->w_dotp = curwp->w_markp = lback(curwp->w_dotp);
389: curwp->w_marko = llength(curwp->w_markp);
1.7 art 390: (void)ldelnewline();
1.1 deraadt 391: curwp->w_dotp = olp;
392: curwp->w_doto = opos;
1.3 millert 393: if (olp == curbp->b_linep)
394: curwp->w_dotp = lforw(olp);
1.1 deraadt 395: #ifndef NO_BACKUP
396: if (newname != NULL)
1.3 millert 397: bp->b_flag |= BFCHG | BFBAK; /* Need a backup. */
398: else
399: bp->b_flag |= BFCHG;
1.4 millert 400: #else /* !NO_BACKUP */
1.1 deraadt 401: bp->b_flag |= BFCHG;
1.4 millert 402: #endif /* !NO_BACKUP */
1.3 millert 403: /*
1.32 db 404: * If the insert was at the end of buffer, set lp1 to the end of
1.3 millert 405: * buffer line, and lp2 to the beginning of the newly inserted text.
406: * (Otherwise lp2 is set to NULL.) This is used below to set
407: * pointers in other windows correctly if they are also at the end of
408: * buffer.
1.1 deraadt 409: */
410: lp1 = bp->b_linep;
411: if (curwp->w_markp == lp1) {
412: lp2 = curwp->w_dotp;
413: } else {
1.4 millert 414: /* delete extraneous newline */
1.7 art 415: (void)ldelnewline();
1.1 deraadt 416: out: lp2 = NULL;
417: }
1.3 millert 418: for (wp = wheadp; wp != NULL; wp = wp->w_wndp) {
1.1 deraadt 419: if (wp->w_bufp == curbp) {
1.3 millert 420: wp->w_flag |= WFMODE | WFEDIT;
1.1 deraadt 421: if (wp != curwp && lp2 != NULL) {
1.3 millert 422: if (wp->w_dotp == lp1)
423: wp->w_dotp = lp2;
424: if (wp->w_markp == lp1)
425: wp->w_markp = lp2;
426: if (wp->w_linep == lp1)
427: wp->w_linep = lp2;
1.1 deraadt 428: }
429: }
430: }
1.23 vincent 431: if (x != -1)
432: undo_enable(x);
433:
1.4 millert 434: /* return false if error */
1.32 db 435: return (s != FIOERR);
1.1 deraadt 436: }
437:
438: /*
1.9 mickey 439: * Ask for a file name and write the contents of the current buffer to that
440: * file. Update the remembered file name and clear the buffer changed flag.
1.4 millert 441: * This handling of file names is different from the earlier versions and
1.27 jmc 442: * is more compatible with Gosling EMACS than with ITS EMACS.
1.1 deraadt 443: */
1.3 millert 444: /* ARGSUSED */
445: int
1.20 vincent 446: filewrite(int f, int n)
1.1 deraadt 447: {
1.4 millert 448: int s;
449: char fname[NFILEN];
1.29 vincent 450: char *adjfname, *p, *bufp;
451:
452: if ((bufp = eread("Write file: ", fname, NFILEN,
453: EFNEW | EFCR | EFFILE)) == NULL)
1.32 db 454: return (ABORT);
1.29 vincent 455: else if (bufp[0] == '\0')
1.32 db 456: return (FALSE);
1.1 deraadt 457:
458: adjfname = adjustname(fname);
1.22 vincent 459: if (adjfname == NULL)
460: return (FALSE);
1.1 deraadt 461: /* old attributes are no longer current */
462: bzero(&curbp->b_fi, sizeof(curbp->b_fi));
1.3 millert 463: if ((s = writeout(curbp, adjfname)) == TRUE) {
1.10 vincent 464: (void)strlcpy(curbp->b_fname, adjfname, sizeof curbp->b_fname);
1.26 vincent 465: p = strrchr(curbp->b_fname, '/');
466: if (p)
467: p++;
468: else
469: p = curbp->b_fname;
470: if (curbp->b_bname)
471: free((char *)curbp->b_bname);
472: curbp->b_bname = strdup(p);
1.1 deraadt 473: #ifndef NO_BACKUP
474: curbp->b_flag &= ~(BFBAK | BFCHG);
1.4 millert 475: #else /* !NO_BACKUP */
1.1 deraadt 476: curbp->b_flag &= ~BFCHG;
1.4 millert 477: #endif /* !NO_BACKUP */
1.1 deraadt 478: upmodes(curbp);
479: }
1.32 db 480: return (s);
1.1 deraadt 481: }
482:
483: /*
1.4 millert 484: * Save the contents of the current buffer back into its associated file.
1.1 deraadt 485: */
486: #ifndef NO_BACKUP
487: #ifndef MAKEBACKUP
488: #define MAKEBACKUP TRUE
1.4 millert 489: #endif /* !MAKEBACKUP */
1.9 mickey 490: static int makebackup = MAKEBACKUP;
1.4 millert 491: #endif /* !NO_BACKUP */
1.1 deraadt 492:
1.3 millert 493: /* ARGSUSED */
494: int
1.20 vincent 495: filesave(int f, int n)
1.1 deraadt 496: {
1.32 db 497: return (buffsave(curbp));
1.1 deraadt 498: }
499:
500: /*
1.9 mickey 501: * Save the contents of the buffer argument into its associated file. Do
502: * nothing if there have been no changes (is this a bug, or a feature?).
503: * Error if there is no remembered file name. If this is the first write
1.4 millert 504: * since the read or visit, then a backup copy of the file is made.
1.9 mickey 505: * Allow user to select whether or not to make backup files by looking at
1.4 millert 506: * the value of makebackup.
1.1 deraadt 507: */
1.3 millert 508: int
1.20 vincent 509: buffsave(BUFFER *bp)
1.3 millert 510: {
1.4 millert 511: int s;
1.1 deraadt 512:
1.4 millert 513: /* return, no changes */
514: if ((bp->b_flag & BFCHG) == 0) {
1.1 deraadt 515: ewprintf("(No changes need to be saved)");
1.32 db 516: return (TRUE);
1.1 deraadt 517: }
1.4 millert 518:
519: /* must have a name */
520: if (bp->b_fname[0] == '\0') {
1.1 deraadt 521: ewprintf("No file name");
522: return (FALSE);
523: }
1.4 millert 524:
1.1 deraadt 525: #ifndef NO_BACKUP
1.3 millert 526: if (makebackup && (bp->b_flag & BFBAK)) {
1.1 deraadt 527: s = fbackupfile(bp->b_fname);
1.4 millert 528: /* hard error */
529: if (s == ABORT)
1.32 db 530: return (FALSE);
1.4 millert 531: /* softer error */
1.9 mickey 532: if (s == FALSE &&
1.4 millert 533: (s = eyesno("Backup error, save anyway")) != TRUE)
1.32 db 534: return (s);
1.1 deraadt 535: }
1.4 millert 536: #endif /* !NO_BACKUP */
1.3 millert 537: if ((s = writeout(bp, bp->b_fname)) == TRUE) {
1.1 deraadt 538: #ifndef NO_BACKUP
539: bp->b_flag &= ~(BFCHG | BFBAK);
1.4 millert 540: #else /* !NO_BACKUP */
1.1 deraadt 541: bp->b_flag &= ~BFCHG;
1.4 millert 542: #endif /* !NO_BACKUP */
1.1 deraadt 543: upmodes(bp);
544: }
1.32 db 545: return (s);
1.1 deraadt 546: }
547:
548: #ifndef NO_BACKUP
1.3 millert 549: /*
550: * Since we don't have variables (we probably should) this is a command
551: * processor for changing the value of the make backup flag. If no argument
552: * is given, sets makebackup to true, so backups are made. If an argument is
553: * given, no backup files are made when saving a new version of a file. Only
554: * used when BACKUP is #defined.
1.1 deraadt 555: */
1.3 millert 556: /* ARGSUSED */
557: int
1.20 vincent 558: makebkfile(int f, int n)
1.1 deraadt 559: {
1.3 millert 560: if (f & FFARG)
561: makebackup = n > 0;
562: else
563: makebackup = !makebackup;
1.1 deraadt 564: ewprintf("Backup files %sabled", makebackup ? "en" : "dis");
1.32 db 565: return (TRUE);
1.1 deraadt 566: }
1.4 millert 567: #endif /* !NO_BACKUP */
1.1 deraadt 568:
569: /*
570: * NB: bp is passed to both ffwopen and ffclose because some
571: * attribute information may need to be updated at open time
572: * and others after the close. This is OS-dependent. Note
573: * that the ff routines are assumed to be able to tell whether
574: * the attribute information has been set up in this buffer
575: * or not.
576: */
577:
578: /*
1.9 mickey 579: * This function performs the details of file writing; writing the file
580: * in buffer bp to file fn. Uses the file management routines in the
1.4 millert 581: * "fileio.c" package. Most of the grief is checking of some sort.
1.1 deraadt 582: */
1.3 millert 583: int
1.20 vincent 584: writeout(BUFFER *bp, char *fn)
1.3 millert 585: {
1.4 millert 586: int s;
1.1 deraadt 587:
1.4 millert 588: /* open writes message */
589: if ((s = ffwopen(fn, bp)) != FIOSUC)
1.1 deraadt 590: return (FALSE);
591: s = ffputbuf(bp);
1.4 millert 592: if (s == FIOSUC) {
593: /* no write error */
1.1 deraadt 594: s = ffclose(bp);
1.3 millert 595: if (s == FIOSUC)
1.1 deraadt 596: ewprintf("Wrote %s", fn);
1.4 millert 597: } else
598: /* ignore close error if it is a write error */
1.7 art 599: (void)ffclose(bp);
1.32 db 600: return (s == FIOSUC);
1.1 deraadt 601: }
602:
603: /*
1.4 millert 604: * Tag all windows for bp (all windows if bp == NULL) as needing their
1.1 deraadt 605: * mode line updated.
606: */
1.7 art 607: void
1.20 vincent 608: upmodes(BUFFER *bp)
1.3 millert 609: {
1.4 millert 610: MGWIN *wp;
1.1 deraadt 611:
612: for (wp = wheadp; wp != NULL; wp = wp->w_wndp)
1.3 millert 613: if (bp == NULL || curwp->w_bufp == bp)
614: wp->w_flag |= WFMODE;
1.1 deraadt 615: }
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