Annotation of src/usr.bin/mg/file.c, Revision 1.38
1.38 ! kjell 1: /* $OpenBSD: file.c,v 1.37 2005/06/14 18:14:40 kjell Exp $ */
1.37 kjell 2:
3: /* This file is in the public domain. */
1.5 niklas 4:
1.1 deraadt 5: /*
1.4 millert 6: * File commands.
1.1 deraadt 7: */
8:
1.6 art 9: #include <libgen.h>
1.4 millert 10: #include "def.h"
11:
1.1 deraadt 12: /*
1.4 millert 13: * Insert a file into the current buffer. Real easy - just call the
1.1 deraadt 14: * insertfile routine with the file name.
15: */
1.3 millert 16: /* ARGSUSED */
17: int
1.15 vincent 18: fileinsert(int f, int n)
1.1 deraadt 19: {
1.29 vincent 20: char fname[NFILEN], *bufp, *adjf;
1.1 deraadt 21:
1.29 vincent 22: bufp = eread("Insert file: ", fname, NFILEN, EFNEW | EFCR | EFFILE);
23: if (bufp == NULL)
1.32 db 24: return (ABORT);
1.29 vincent 25: else if (bufp[0] == '\0')
1.32 db 26: return (FALSE);
1.29 vincent 27: adjf = adjustname(bufp);
1.22 vincent 28: if (adjf == NULL)
29: return (FALSE);
1.32 db 30: return (insertfile(adjf, NULL, FALSE));
1.1 deraadt 31: }
32:
33: /*
1.9 mickey 34: * Select a file for editing. Look around to see if you can find the file
1.4 millert 35: * in another buffer; if you can find it, just switch to the buffer. If
1.9 mickey 36: * you cannot find the file, create a new buffer, read in the text, and
1.4 millert 37: * switch to the new buffer.
1.1 deraadt 38: */
1.3 millert 39: /* ARGSUSED */
40: int
1.15 vincent 41: filevisit(int f, int n)
1.1 deraadt 42: {
1.4 millert 43: BUFFER *bp;
1.34 cloder 44: char fname[NFILEN], *bufp, *adjf, *slash;
45:
46: if (curbp->b_fname && curbp->b_fname[0] != '\0') {
47: strlcpy(fname, curbp->b_fname, sizeof(fname));
48: if ((slash = strrchr(fname, '/')) != NULL) {
49: *(slash + 1) = '\0';
50: }
51: }
52: else
53: fname[0] = '\0';
1.1 deraadt 54:
1.38 ! kjell 55: bufp = eread("Find file: ", fname, NFILEN,
! 56: EFNEW | EFCR | EFFILE | EFDEF);
1.29 vincent 57: if (bufp == NULL)
1.32 db 58: return (ABORT);
1.29 vincent 59: else if (bufp[0] == '\0')
1.32 db 60: return (FALSE);
1.1 deraadt 61: adjf = adjustname(fname);
1.22 vincent 62: if (adjf == NULL)
63: return (FALSE);
1.3 millert 64: if ((bp = findbuffer(adjf)) == NULL)
1.32 db 65: return (FALSE);
1.1 deraadt 66: curbp = bp;
1.3 millert 67: if (showbuffer(bp, curwp, WFHARD) != TRUE)
1.32 db 68: return (FALSE);
1.30 jfb 69: if (bp->b_fname[0] == 0) {
70: int status;
71:
72: if ((status = readin(adjf)) != TRUE)
73: killbuffer(bp);
1.32 db 74: return (status);
1.30 jfb 75: }
1.32 db 76: return (TRUE);
1.35 jason 77: }
78:
1.36 kjell 79: /*
80: * Replace the current file with an alternate one. Semantics for finding
81: * the replacement file are the same as 'filevisit', except the current
82: * buffer is killed before the switch. If the kill fails, or is aborted,
83: * revert to the original file.
84: */
1.35 jason 85: int
86: filevisitalt(int f, int n)
87: {
1.36 kjell 88: BUFFER *bp;
89: char fname[NFILEN], *bufp, *adjf, *slash;
90: int status;
91:
92: if (curbp->b_fname && curbp->b_fname[0] != '\0') {
93: strlcpy(fname, curbp->b_fname, sizeof(fname));
94: if ((slash = strrchr(fname, '/')) != NULL) {
95: *(slash + 1) = '\0';
96: }
97: } else
98: fname[0] = '\0';
99:
100: bufp = eread("Find alternate file: ", fname, NFILEN,
101: EFNEW | EFCR | EFFILE | EFDEF);
102: if (bufp == NULL)
1.35 jason 103: return (ABORT);
1.36 kjell 104: else if (bufp[0] == '\0')
105: return (FALSE);
106:
107: status = killbuffer(curbp);
108: if (status == ABORT || status == FALSE)
109: return (ABORT);
110:
111: adjf = adjustname(fname);
112: if (adjf == NULL)
113: return (FALSE);
114: if ((bp = findbuffer(adjf)) == NULL)
115: return (FALSE);
116: curbp = bp;
117: if (showbuffer(bp, curwp, WFHARD) != TRUE)
118: return (FALSE);
119: if (bp->b_fname[0] == '\0') {
120: if ((status = readin(adjf)) != TRUE)
121: killbuffer(bp);
122: return (status);
123: }
124: return (TRUE);
1.1 deraadt 125: }
126:
1.17 vincent 127: int
128: filevisitro(int f, int n)
129: {
130: int error;
131:
132: error = filevisit(f, n);
133: if (error != TRUE)
134: return (error);
135: curbp->b_flag |= BFREADONLY;
136: return (TRUE);
137: }
1.32 db 138:
1.1 deraadt 139: /*
1.4 millert 140: * Pop to a file in the other window. Same as the last function, but uses
1.1 deraadt 141: * popbuf instead of showbuffer.
142: */
1.3 millert 143: /* ARGSUSED */
144: int
1.15 vincent 145: poptofile(int f, int n)
1.1 deraadt 146: {
1.4 millert 147: BUFFER *bp;
148: MGWIN *wp;
1.29 vincent 149: char fname[NFILEN], *adjf, *bufp;
1.1 deraadt 150:
1.29 vincent 151: if ((bufp = eread("Find file in other window: ", fname, NFILEN,
152: EFNEW | EFCR | EFFILE)) == NULL)
1.32 db 153: return (ABORT);
1.29 vincent 154: else if (bufp[0] == '\0')
1.32 db 155: return (FALSE);
1.1 deraadt 156: adjf = adjustname(fname);
1.22 vincent 157: if (adjf == NULL)
158: return (FALSE);
1.3 millert 159: if ((bp = findbuffer(adjf)) == NULL)
1.32 db 160: return (FALSE);
1.3 millert 161: if ((wp = popbuf(bp)) == NULL)
1.32 db 162: return (FALSE);
1.1 deraadt 163: curbp = bp;
164: curwp = wp;
1.30 jfb 165: if (bp->b_fname[0] == 0) {
166: int status;
167:
168: if ((status = readin(adjf)) != TRUE)
169: killbuffer(bp);
1.32 db 170: return (status);
1.30 jfb 171: }
1.32 db 172: return (TRUE);
1.1 deraadt 173: }
174:
175: /*
1.32 db 176: * Given a file name, either find the buffer it uses, or create a new
1.1 deraadt 177: * empty buffer to put it in.
178: */
179: BUFFER *
1.14 vincent 180: findbuffer(char *fname)
1.1 deraadt 181: {
1.4 millert 182: BUFFER *bp;
1.10 vincent 183: char bname[NBUFN];
1.20 vincent 184: unsigned int count, remain, i;
1.1 deraadt 185:
1.3 millert 186: for (bp = bheadp; bp != NULL; bp = bp->b_bufp) {
1.6 art 187: if (strcmp(bp->b_fname, fname) == 0)
1.32 db 188: return (bp);
1.1 deraadt 189: }
1.14 vincent 190: i = strlcpy(bname, basename(fname), sizeof(bname));
1.33 beck 191: if (i >= sizeof(bname))
192: return NULL;
1.14 vincent 193: remain = sizeof(bname) - i;
194: for (count = 2; bfind(bname, FALSE) != NULL; count++)
195: snprintf(&bname[i], remain, "<%d>", count);
1.10 vincent 196:
1.32 db 197: return (bfind(bname, TRUE));
1.1 deraadt 198: }
199:
200: /*
1.9 mickey 201: * Read the file "fname" into the current buffer. Make all of the text
202: * in the buffer go away, after checking for unsaved changes. This is
203: * called by the "read" command, the "visit" command, and the mainline
1.19 vincent 204: * (for "mg file").
1.1 deraadt 205: */
1.3 millert 206: int
1.19 vincent 207: readin(char *fname)
1.3 millert 208: {
1.4 millert 209: MGWIN *wp;
1.18 vincent 210: int status, i;
1.20 vincent 211: PF *ael;
1.1 deraadt 212:
1.4 millert 213: /* might be old */
214: if (bclear(curbp) != TRUE)
1.32 db 215: return (TRUE);
1.30 jfb 216: if ((status = insertfile(fname, fname, TRUE)) != TRUE) {
217: ewprintf("File is not readable: %s", fname);
1.32 db 218: return (FALSE);
1.30 jfb 219: }
1.18 vincent 220:
221: /*
222: * Call auto-executing function if we need to.
223: */
224: if ((ael = find_autoexec(fname)) != NULL) {
225: for (i = 0; ael[i] != NULL; i++)
226: (*ael[i])(0, 1);
227: free(ael);
228: }
1.4 millert 229:
230: /* no change */
231: curbp->b_flag &= ~BFCHG;
1.3 millert 232: for (wp = wheadp; wp != NULL; wp = wp->w_wndp) {
1.1 deraadt 233: if (wp->w_bufp == curbp) {
1.3 millert 234: wp->w_dotp = wp->w_linep = lforw(curbp->b_linep);
235: wp->w_doto = 0;
1.1 deraadt 236: wp->w_markp = NULL;
237: wp->w_marko = 0;
238: }
239: }
1.16 vincent 240:
1.32 db 241: /* We need to set the READONLY flag after we insert the file. */
1.16 vincent 242: if (access(fname, W_OK) && errno != ENOENT)
243: curbp->b_flag |= BFREADONLY;
244: else
245: curbp->b_flag &=~ BFREADONLY;
1.25 deraadt 246:
1.24 deraadt 247: if (startrow)
248: gotoline(FFARG, startrow);
1.16 vincent 249:
1.32 db 250: return (status);
1.1 deraadt 251: }
1.4 millert 252:
1.1 deraadt 253: /*
254: * NB, getting file attributes is done here under control of a flag
255: * rather than in readin, which would be cleaner. I was concerned
256: * that some operating system might require the file to be open
257: * in order to get the information. Similarly for writing.
258: */
259:
260: /*
1.9 mickey 261: * Insert a file in the current buffer, after dot. Set mark at the end of
262: * the text inserted; point at the beginning. Return a standard status.
1.31 henning 263: * Print a summary (lines read, error message) out as well. Unless the
1.32 db 264: * NO_BACKUP conditional is set, this routine also does the read end of
1.31 henning 265: * backup processing. The BFBAK flag, if set in a buffer, says that a
266: * backup should be taken. It is set when a file is read in, but not on
267: * a new file. (You don't need to make a backup copy of nothing.)
1.1 deraadt 268: */
1.9 mickey 269: static char *line = NULL;
270: static int linesize = 0;
1.1 deraadt 271:
1.3 millert 272: int
1.20 vincent 273: insertfile(char *fname, char *newname, int needinfo)
1.3 millert 274: {
1.4 millert 275: BUFFER *bp;
276: LINE *lp1, *lp2;
277: LINE *olp; /* line we started at */
278: MGWIN *wp;
1.23 vincent 279: int nbytes, s, nline, siz, x = -1, x2;
1.19 vincent 280: int opos; /* offset we started at */
1.4 millert 281:
1.23 vincent 282: if (needinfo)
283: x = undo_enable(FALSE);
284:
1.4 millert 285: lp1 = NULL;
1.1 deraadt 286: if (line == NULL) {
287: line = malloc(NLINE);
1.21 vincent 288: if (line == NULL)
289: panic("out of memory");
1.1 deraadt 290: linesize = NLINE;
291: }
1.4 millert 292:
293: /* cheap */
294: bp = curbp;
1.8 art 295: if (newname != NULL)
1.10 vincent 296: (void)strlcpy(bp->b_fname, newname, sizeof bp->b_fname);
1.4 millert 297:
298: /* hard file open */
1.8 art 299: if ((s = ffropen(fname, needinfo ? bp : NULL)) == FIOERR)
1.1 deraadt 300: goto out;
1.4 millert 301: if (s == FIOFNF) {
302: /* file not found */
1.1 deraadt 303: if (newname != NULL)
304: ewprintf("(New file)");
1.3 millert 305: else
306: ewprintf("(File not found)");
1.1 deraadt 307: goto out;
308: }
309: opos = curwp->w_doto;
1.4 millert 310:
311: /* open a new line, at point, and start inserting after it */
1.23 vincent 312: x2 = undo_enable(FALSE);
1.20 vincent 313: (void)lnewline();
1.1 deraadt 314: olp = lback(curwp->w_dotp);
1.3 millert 315: if (olp == curbp->b_linep) {
1.1 deraadt 316: /* if at end of buffer, create a line to insert before */
1.7 art 317: (void)lnewline();
1.1 deraadt 318: curwp->w_dotp = lback(curwp->w_dotp);
319: }
1.23 vincent 320: undo_enable(x2);
1.4 millert 321:
322: /* don't count fake lines at the end */
323: nline = 0;
1.19 vincent 324: siz = 0;
1.3 millert 325: while ((s = ffgetline(line, linesize, &nbytes)) != FIOERR) {
1.1 deraadt 326: doneread:
1.19 vincent 327: siz += nbytes + 1;
1.3 millert 328: switch (s) {
329: case FIOSUC:
330: ++nline;
331: /* and continue */
1.4 millert 332: case FIOEOF:
333: /* the last line of the file */
1.3 millert 334: if ((lp1 = lalloc(nbytes)) == NULL) {
1.4 millert 335: /* keep message on the display */
336: s = FIOERR;
337: goto endoffile;
1.3 millert 338: }
339: bcopy(line, <ext(lp1)[0], nbytes);
340: lp2 = lback(curwp->w_dotp);
341: lp2->l_fp = lp1;
342: lp1->l_fp = curwp->w_dotp;
343: lp1->l_bp = lp2;
344: curwp->w_dotp->l_bp = lp1;
345: if (s == FIOEOF)
346: goto endoffile;
347: break;
1.19 vincent 348: case FIOLONG: {
1.4 millert 349: /* a line too long to fit in our buffer */
1.9 mickey 350: char *cp;
351: int newsize;
1.3 millert 352:
353: newsize = linesize * 2;
354: if (newsize < 0 ||
1.4 millert 355: (cp = malloc((unsigned)newsize)) == NULL) {
1.3 millert 356: ewprintf("Could not allocate %d bytes",
1.4 millert 357: newsize);
358: s = FIOERR;
359: goto endoffile;
1.3 millert 360: }
361: bcopy(line, cp, linesize);
362: free(line);
363: line = cp;
1.9 mickey 364: s = ffgetline(line + linesize, linesize,
1.4 millert 365: &nbytes);
1.3 millert 366: nbytes += linesize;
367: linesize = newsize;
368: if (s == FIOERR)
369: goto endoffile;
370: goto doneread;
371: }
372: default:
373: ewprintf("Unknown code %d reading file", s);
374: s = FIOERR;
375: break;
1.1 deraadt 376: }
377: }
378: endoffile:
1.28 vincent 379: undo_add_insert(olp, opos, siz-1);
1.19 vincent 380:
1.4 millert 381: /* ignore errors */
1.8 art 382: ffclose(NULL);
1.4 millert 383: /* don't zap an error */
384: if (s == FIOEOF) {
1.3 millert 385: if (nline == 1)
386: ewprintf("(Read 1 line)");
387: else
388: ewprintf("(Read %d lines)", nline);
1.1 deraadt 389: }
1.4 millert 390: /* set mark at the end of the text */
1.1 deraadt 391: curwp->w_dotp = curwp->w_markp = lback(curwp->w_dotp);
392: curwp->w_marko = llength(curwp->w_markp);
1.7 art 393: (void)ldelnewline();
1.1 deraadt 394: curwp->w_dotp = olp;
395: curwp->w_doto = opos;
1.3 millert 396: if (olp == curbp->b_linep)
397: curwp->w_dotp = lforw(olp);
1.1 deraadt 398: #ifndef NO_BACKUP
399: if (newname != NULL)
1.3 millert 400: bp->b_flag |= BFCHG | BFBAK; /* Need a backup. */
401: else
402: bp->b_flag |= BFCHG;
1.4 millert 403: #else /* !NO_BACKUP */
1.1 deraadt 404: bp->b_flag |= BFCHG;
1.4 millert 405: #endif /* !NO_BACKUP */
1.3 millert 406: /*
1.32 db 407: * If the insert was at the end of buffer, set lp1 to the end of
1.3 millert 408: * buffer line, and lp2 to the beginning of the newly inserted text.
409: * (Otherwise lp2 is set to NULL.) This is used below to set
410: * pointers in other windows correctly if they are also at the end of
411: * buffer.
1.1 deraadt 412: */
413: lp1 = bp->b_linep;
414: if (curwp->w_markp == lp1) {
415: lp2 = curwp->w_dotp;
416: } else {
1.4 millert 417: /* delete extraneous newline */
1.7 art 418: (void)ldelnewline();
1.1 deraadt 419: out: lp2 = NULL;
420: }
1.3 millert 421: for (wp = wheadp; wp != NULL; wp = wp->w_wndp) {
1.1 deraadt 422: if (wp->w_bufp == curbp) {
1.3 millert 423: wp->w_flag |= WFMODE | WFEDIT;
1.1 deraadt 424: if (wp != curwp && lp2 != NULL) {
1.3 millert 425: if (wp->w_dotp == lp1)
426: wp->w_dotp = lp2;
427: if (wp->w_markp == lp1)
428: wp->w_markp = lp2;
429: if (wp->w_linep == lp1)
430: wp->w_linep = lp2;
1.1 deraadt 431: }
432: }
433: }
1.23 vincent 434: if (x != -1)
435: undo_enable(x);
436:
1.4 millert 437: /* return false if error */
1.32 db 438: return (s != FIOERR);
1.1 deraadt 439: }
440:
441: /*
1.9 mickey 442: * Ask for a file name and write the contents of the current buffer to that
443: * file. Update the remembered file name and clear the buffer changed flag.
1.4 millert 444: * This handling of file names is different from the earlier versions and
1.27 jmc 445: * is more compatible with Gosling EMACS than with ITS EMACS.
1.1 deraadt 446: */
1.3 millert 447: /* ARGSUSED */
448: int
1.20 vincent 449: filewrite(int f, int n)
1.1 deraadt 450: {
1.4 millert 451: int s;
452: char fname[NFILEN];
1.29 vincent 453: char *adjfname, *p, *bufp;
454:
455: if ((bufp = eread("Write file: ", fname, NFILEN,
456: EFNEW | EFCR | EFFILE)) == NULL)
1.32 db 457: return (ABORT);
1.29 vincent 458: else if (bufp[0] == '\0')
1.32 db 459: return (FALSE);
1.1 deraadt 460:
461: adjfname = adjustname(fname);
1.22 vincent 462: if (adjfname == NULL)
463: return (FALSE);
1.1 deraadt 464: /* old attributes are no longer current */
465: bzero(&curbp->b_fi, sizeof(curbp->b_fi));
1.3 millert 466: if ((s = writeout(curbp, adjfname)) == TRUE) {
1.10 vincent 467: (void)strlcpy(curbp->b_fname, adjfname, sizeof curbp->b_fname);
1.26 vincent 468: p = strrchr(curbp->b_fname, '/');
469: if (p)
470: p++;
471: else
472: p = curbp->b_fname;
473: if (curbp->b_bname)
474: free((char *)curbp->b_bname);
475: curbp->b_bname = strdup(p);
1.1 deraadt 476: #ifndef NO_BACKUP
477: curbp->b_flag &= ~(BFBAK | BFCHG);
1.4 millert 478: #else /* !NO_BACKUP */
1.1 deraadt 479: curbp->b_flag &= ~BFCHG;
1.4 millert 480: #endif /* !NO_BACKUP */
1.1 deraadt 481: upmodes(curbp);
482: }
1.32 db 483: return (s);
1.1 deraadt 484: }
485:
486: /*
1.4 millert 487: * Save the contents of the current buffer back into its associated file.
1.1 deraadt 488: */
489: #ifndef NO_BACKUP
490: #ifndef MAKEBACKUP
491: #define MAKEBACKUP TRUE
1.4 millert 492: #endif /* !MAKEBACKUP */
1.9 mickey 493: static int makebackup = MAKEBACKUP;
1.4 millert 494: #endif /* !NO_BACKUP */
1.1 deraadt 495:
1.3 millert 496: /* ARGSUSED */
497: int
1.20 vincent 498: filesave(int f, int n)
1.1 deraadt 499: {
1.32 db 500: return (buffsave(curbp));
1.1 deraadt 501: }
502:
503: /*
1.9 mickey 504: * Save the contents of the buffer argument into its associated file. Do
505: * nothing if there have been no changes (is this a bug, or a feature?).
506: * Error if there is no remembered file name. If this is the first write
1.4 millert 507: * since the read or visit, then a backup copy of the file is made.
1.9 mickey 508: * Allow user to select whether or not to make backup files by looking at
1.4 millert 509: * the value of makebackup.
1.1 deraadt 510: */
1.3 millert 511: int
1.20 vincent 512: buffsave(BUFFER *bp)
1.3 millert 513: {
1.4 millert 514: int s;
1.1 deraadt 515:
1.4 millert 516: /* return, no changes */
517: if ((bp->b_flag & BFCHG) == 0) {
1.1 deraadt 518: ewprintf("(No changes need to be saved)");
1.32 db 519: return (TRUE);
1.1 deraadt 520: }
1.4 millert 521:
522: /* must have a name */
523: if (bp->b_fname[0] == '\0') {
1.1 deraadt 524: ewprintf("No file name");
525: return (FALSE);
526: }
1.4 millert 527:
1.1 deraadt 528: #ifndef NO_BACKUP
1.3 millert 529: if (makebackup && (bp->b_flag & BFBAK)) {
1.1 deraadt 530: s = fbackupfile(bp->b_fname);
1.4 millert 531: /* hard error */
532: if (s == ABORT)
1.32 db 533: return (FALSE);
1.4 millert 534: /* softer error */
1.9 mickey 535: if (s == FALSE &&
1.4 millert 536: (s = eyesno("Backup error, save anyway")) != TRUE)
1.32 db 537: return (s);
1.1 deraadt 538: }
1.4 millert 539: #endif /* !NO_BACKUP */
1.3 millert 540: if ((s = writeout(bp, bp->b_fname)) == TRUE) {
1.1 deraadt 541: #ifndef NO_BACKUP
542: bp->b_flag &= ~(BFCHG | BFBAK);
1.4 millert 543: #else /* !NO_BACKUP */
1.1 deraadt 544: bp->b_flag &= ~BFCHG;
1.4 millert 545: #endif /* !NO_BACKUP */
1.1 deraadt 546: upmodes(bp);
547: }
1.32 db 548: return (s);
1.1 deraadt 549: }
550:
551: #ifndef NO_BACKUP
1.3 millert 552: /*
553: * Since we don't have variables (we probably should) this is a command
554: * processor for changing the value of the make backup flag. If no argument
555: * is given, sets makebackup to true, so backups are made. If an argument is
556: * given, no backup files are made when saving a new version of a file. Only
557: * used when BACKUP is #defined.
1.1 deraadt 558: */
1.3 millert 559: /* ARGSUSED */
560: int
1.20 vincent 561: makebkfile(int f, int n)
1.1 deraadt 562: {
1.3 millert 563: if (f & FFARG)
564: makebackup = n > 0;
565: else
566: makebackup = !makebackup;
1.1 deraadt 567: ewprintf("Backup files %sabled", makebackup ? "en" : "dis");
1.32 db 568: return (TRUE);
1.1 deraadt 569: }
1.4 millert 570: #endif /* !NO_BACKUP */
1.1 deraadt 571:
572: /*
573: * NB: bp is passed to both ffwopen and ffclose because some
574: * attribute information may need to be updated at open time
575: * and others after the close. This is OS-dependent. Note
576: * that the ff routines are assumed to be able to tell whether
577: * the attribute information has been set up in this buffer
578: * or not.
579: */
580:
581: /*
1.9 mickey 582: * This function performs the details of file writing; writing the file
583: * in buffer bp to file fn. Uses the file management routines in the
1.4 millert 584: * "fileio.c" package. Most of the grief is checking of some sort.
1.1 deraadt 585: */
1.3 millert 586: int
1.20 vincent 587: writeout(BUFFER *bp, char *fn)
1.3 millert 588: {
1.4 millert 589: int s;
1.1 deraadt 590:
1.4 millert 591: /* open writes message */
592: if ((s = ffwopen(fn, bp)) != FIOSUC)
1.1 deraadt 593: return (FALSE);
594: s = ffputbuf(bp);
1.4 millert 595: if (s == FIOSUC) {
596: /* no write error */
1.1 deraadt 597: s = ffclose(bp);
1.3 millert 598: if (s == FIOSUC)
1.1 deraadt 599: ewprintf("Wrote %s", fn);
1.4 millert 600: } else
601: /* ignore close error if it is a write error */
1.7 art 602: (void)ffclose(bp);
1.32 db 603: return (s == FIOSUC);
1.1 deraadt 604: }
605:
606: /*
1.4 millert 607: * Tag all windows for bp (all windows if bp == NULL) as needing their
1.1 deraadt 608: * mode line updated.
609: */
1.7 art 610: void
1.20 vincent 611: upmodes(BUFFER *bp)
1.3 millert 612: {
1.4 millert 613: MGWIN *wp;
1.1 deraadt 614:
615: for (wp = wheadp; wp != NULL; wp = wp->w_wndp)
1.3 millert 616: if (bp == NULL || curwp->w_bufp == bp)
617: wp->w_flag |= WFMODE;
1.1 deraadt 618: }
![[BACK]](/icons/back.gif){kind=icon}
Return to file.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / mg