Annotation of src/usr.bin/mg/dired.c, Revision 1.57
1.57 ! lum 1: /* $OpenBSD: dired.c,v 1.56 2013/05/29 19:16:48 lum Exp $ */
1.6 niklas 2:
1.20 kjell 3: /* This file is in the public domain. */
4:
5: /* dired module for mg 2a
6: * by Robert A. Larson
7: */
1.1 deraadt 8:
9: #include "def.h"
1.28 kjell 10: #include "funmap.h"
1.9 vincent 11: #include "kbd.h"
1.27 kjell 12:
1.12 vincent 13: #include <sys/types.h>
14: #include <sys/stat.h>
1.25 deraadt 15: #include <sys/time.h>
16: #include <sys/resource.h>
1.12 vincent 17: #include <sys/wait.h>
18:
1.24 kjell 19: #include <ctype.h>
1.12 vincent 20: #include <signal.h>
21: #include <fcntl.h>
1.54 lum 22: #include <err.h>
1.12 vincent 23: #include <errno.h>
24: #include <libgen.h>
1.50 lum 25: #include <stdarg.h>
1.1 deraadt 26:
1.24 kjell 27: void dired_init(void);
1.27 kjell 28: static int dired(int, int);
29: static int d_otherwindow(int, int);
30: static int d_undel(int, int);
31: static int d_undelbak(int, int);
32: static int d_findfile(int, int);
33: static int d_ffotherwindow(int, int);
34: static int d_expunge(int, int);
35: static int d_copy(int, int);
36: static int d_del(int, int);
37: static int d_rename(int, int);
1.50 lum 38: static int d_exec(int, struct buffer *, const char *, const char *, ...);
1.27 kjell 39: static int d_shell_command(int, int);
40: static int d_create_directory(int, int);
1.34 kjell 41: static int d_makename(struct line *, char *, size_t);
1.49 lum 42: static int d_warpdot(struct line *, int *);
43: static int d_forwpage(int, int);
44: static int d_backpage(int, int);
45: static int d_forwline(int, int);
46: static int d_backline(int, int);
1.47 lum 47: static void reaper(int);
1.54 lum 48: static struct buffer *refreshbuffer(struct buffer *);
1.1 deraadt 49:
1.23 kjell 50: extern struct keymap_s helpmap, cXmap, metamap;
51:
52: static PF dirednul[] = {
53: setmark, /* ^@ */
54: gotobol, /* ^A */
55: backchar, /* ^B */
56: rescan, /* ^C */
57: d_del, /* ^D */
58: gotoeol, /* ^E */
59: forwchar, /* ^F */
60: ctrlg, /* ^G */
61: NULL, /* ^H */
1.12 vincent 62: };
63:
1.23 kjell 64: static PF diredcl[] = {
65: reposition, /* ^L */
1.15 db 66: d_findfile, /* ^M */
1.49 lum 67: d_forwline, /* ^N */
1.23 kjell 68: rescan, /* ^O */
1.49 lum 69: d_backline, /* ^P */
1.23 kjell 70: rescan, /* ^Q */
71: backisearch, /* ^R */
72: forwisearch, /* ^S */
73: rescan, /* ^T */
74: universal_argument, /* ^U */
1.49 lum 75: d_forwpage, /* ^V */
1.23 kjell 76: rescan, /* ^W */
77: NULL /* ^X */
78: };
79:
80: static PF diredcz[] = {
81: spawncli, /* ^Z */
82: NULL, /* esc */
83: rescan, /* ^\ */
84: rescan, /* ^] */
85: rescan, /* ^^ */
86: rescan, /* ^_ */
1.49 lum 87: d_forwline, /* SP */
1.27 kjell 88: d_shell_command, /* ! */
89: rescan, /* " */
90: rescan, /* # */
91: rescan, /* $ */
92: rescan, /* % */
93: rescan, /* & */
94: rescan, /* ' */
95: rescan, /* ( */
96: rescan, /* ) */
97: rescan, /* * */
98: d_create_directory /* + */
1.23 kjell 99: };
100:
101: static PF diredc[] = {
102: d_copy, /* c */
103: d_del, /* d */
104: d_findfile, /* e */
105: d_findfile /* f */
106: };
107:
108: static PF diredn[] = {
1.49 lum 109: d_forwline, /* n */
1.23 kjell 110: d_ffotherwindow, /* o */
1.49 lum 111: d_backline, /* p */
1.23 kjell 112: rescan, /* q */
113: d_rename, /* r */
114: rescan, /* s */
115: rescan, /* t */
116: d_undel, /* u */
117: rescan, /* v */
118: rescan, /* w */
119: d_expunge /* x */
120: };
121:
122: static PF direddl[] = {
123: d_undelbak /* del */
1.9 vincent 124: };
1.13 deraadt 125:
1.49 lum 126: static PF diredbp[] = {
127: d_backpage /* v */
128: };
129:
130: static PF dirednull[] = {
131: NULL
132: };
133:
1.23 kjell 134: #ifndef DIRED_XMAPS
135: #define NDIRED_XMAPS 0 /* number of extra map sections */
136: #endif /* DIRED_XMAPS */
137:
1.49 lum 138: static struct KEYMAPE (1 + IMAPEXT) d_backpagemap = {
139: 1,
140: 1 + IMAPEXT,
141: rescan,
142: {
143: {
144: 'v', 'v', diredbp, NULL
145: }
146: }
147: };
148:
149: static struct KEYMAPE (7 + NDIRED_XMAPS + IMAPEXT) diredmap = {
150: 7 + NDIRED_XMAPS,
151: 7 + NDIRED_XMAPS + IMAPEXT,
1.9 vincent 152: rescan,
153: {
1.23 kjell 154: {
155: CCHR('@'), CCHR('H'), dirednul, (KEYMAP *) & helpmap
156: },
157: {
158: CCHR('L'), CCHR('X'), diredcl, (KEYMAP *) & cXmap
159: },
160: {
1.49 lum 161: CCHR('['), CCHR('['), dirednull, (KEYMAP *) &
162: d_backpagemap
163: },
164: {
1.27 kjell 165: CCHR('Z'), '+', diredcz, (KEYMAP *) & metamap
1.23 kjell 166: },
167: {
168: 'c', 'f', diredc, NULL
169: },
170: {
171: 'n', 'x', diredn, NULL
172: },
173: {
174: CCHR('?'), CCHR('?'), direddl, NULL
175: },
176: #ifdef DIRED_XMAPS
177: DIRED_XMAPS, /* map sections for dired mode keys */
178: #endif /* DIRED_XMAPS */
1.9 vincent 179: }
180: };
181:
1.23 kjell 182: void
183: dired_init(void)
184: {
1.27 kjell 185: funmap_add(dired, "dired");
186: funmap_add(d_undelbak, "dired-backup-unflag");
1.53 lum 187: funmap_add(d_create_directory, "dired-create-directory");
1.27 kjell 188: funmap_add(d_copy, "dired-copy-file");
189: funmap_add(d_expunge, "dired-do-deletions");
190: funmap_add(d_findfile, "dired-find-file");
191: funmap_add(d_ffotherwindow, "dired-find-file-other-window");
192: funmap_add(d_del, "dired-flag-file-deleted");
1.49 lum 193: funmap_add(d_forwline, "dired-next-line");
1.27 kjell 194: funmap_add(d_otherwindow, "dired-other-window");
1.49 lum 195: funmap_add(d_backline, "dired-previous-line");
1.27 kjell 196: funmap_add(d_rename, "dired-rename-file");
1.49 lum 197: funmap_add(d_backpage, "dired-scroll-down");
198: funmap_add(d_forwpage, "dired-scroll-up");
1.27 kjell 199: funmap_add(d_undel, "dired-unflag");
1.23 kjell 200: maps_add((KEYMAP *)&diredmap, "dired");
1.27 kjell 201: dobindkey(fundamental_map, "dired", "^Xd");
1.23 kjell 202: }
1.12 vincent 203:
1.5 millert 204: /* ARGSUSED */
205: int
1.10 vincent 206: dired(int f, int n)
1.1 deraadt 207: {
1.33 kjell 208: char dname[NFILEN], *bufp, *slash;
1.31 deraadt 209: struct buffer *bp;
1.1 deraadt 210:
1.19 cloder 211: if (curbp->b_fname && curbp->b_fname[0] != '\0') {
1.33 kjell 212: (void)strlcpy(dname, curbp->b_fname, sizeof(dname));
213: if ((slash = strrchr(dname, '/')) != NULL) {
1.19 cloder 214: *(slash + 1) = '\0';
215: }
216: } else {
1.33 kjell 217: if (getcwd(dname, sizeof(dname)) == NULL)
218: dname[0] = '\0';
1.19 cloder 219: }
220:
1.33 kjell 221: if ((bufp = eread("Dired: ", dname, NFILEN,
1.21 kjell 222: EFDEF | EFNEW | EFCR)) == NULL)
1.15 db 223: return (ABORT);
1.21 kjell 224: if (bufp[0] == '\0')
225: return (FALSE);
1.14 vincent 226: if ((bp = dired_(bufp)) == NULL)
1.15 db 227: return (FALSE);
1.23 kjell 228:
1.5 millert 229: curbp = bp;
1.37 kjell 230: return (showbuffer(bp, curwp, WFFULL | WFMODE));
1.1 deraadt 231: }
232:
1.5 millert 233: /* ARGSUSED */
234: int
1.10 vincent 235: d_otherwindow(int f, int n)
1.1 deraadt 236: {
1.33 kjell 237: char dname[NFILEN], *bufp, *slash;
1.31 deraadt 238: struct buffer *bp;
239: struct mgwin *wp;
1.5 millert 240:
1.23 kjell 241: if (curbp->b_fname && curbp->b_fname[0] != '\0') {
1.33 kjell 242: (void)strlcpy(dname, curbp->b_fname, sizeof(dname));
243: if ((slash = strrchr(dname, '/')) != NULL) {
1.23 kjell 244: *(slash + 1) = '\0';
245: }
246: } else {
1.33 kjell 247: if (getcwd(dname, sizeof(dname)) == NULL)
248: dname[0] = '\0';
1.23 kjell 249: }
250:
1.33 kjell 251: if ((bufp = eread("Dired other window: ", dname, NFILEN,
1.21 kjell 252: EFDEF | EFNEW | EFCR)) == NULL)
1.15 db 253: return (ABORT);
1.21 kjell 254: else if (bufp[0] == '\0')
255: return (FALSE);
1.14 vincent 256: if ((bp = dired_(bufp)) == NULL)
1.15 db 257: return (FALSE);
1.45 kjell 258: if ((wp = popbuf(bp, WNONE)) == NULL)
1.15 db 259: return (FALSE);
1.5 millert 260: curbp = bp;
261: curwp = wp;
1.15 db 262: return (TRUE);
1.1 deraadt 263: }
264:
1.5 millert 265: /* ARGSUSED */
266: int
1.10 vincent 267: d_del(int f, int n)
1.1 deraadt 268: {
1.5 millert 269: if (n < 0)
1.15 db 270: return (FALSE);
1.5 millert 271: while (n--) {
272: if (llength(curwp->w_dotp) > 0)
273: lputc(curwp->w_dotp, 0, 'D');
1.40 kjell 274: if (lforw(curwp->w_dotp) != curbp->b_headp)
1.5 millert 275: curwp->w_dotp = lforw(curwp->w_dotp);
276: }
1.44 kjell 277: curwp->w_rflag |= WFEDIT | WFMOVE;
1.56 lum 278: return (d_warpdot(curwp->w_dotp, &curwp->w_doto));
1.1 deraadt 279: }
280:
1.5 millert 281: /* ARGSUSED */
282: int
1.10 vincent 283: d_undel(int f, int n)
1.1 deraadt 284: {
1.5 millert 285: if (n < 0)
1.15 db 286: return (d_undelbak(f, -n));
1.5 millert 287: while (n--) {
288: if (llength(curwp->w_dotp) > 0)
289: lputc(curwp->w_dotp, 0, ' ');
1.40 kjell 290: if (lforw(curwp->w_dotp) != curbp->b_headp)
1.5 millert 291: curwp->w_dotp = lforw(curwp->w_dotp);
292: }
1.44 kjell 293: curwp->w_rflag |= WFEDIT | WFMOVE;
1.56 lum 294: return (d_warpdot(curwp->w_dotp, &curwp->w_doto));
1.1 deraadt 295: }
296:
1.5 millert 297: /* ARGSUSED */
298: int
1.10 vincent 299: d_undelbak(int f, int n)
1.1 deraadt 300: {
1.5 millert 301: if (n < 0)
1.15 db 302: return (d_undel(f, -n));
1.5 millert 303: while (n--) {
304: if (llength(curwp->w_dotp) > 0)
305: lputc(curwp->w_dotp, 0, ' ');
1.40 kjell 306: if (lback(curwp->w_dotp) != curbp->b_headp)
1.5 millert 307: curwp->w_dotp = lback(curwp->w_dotp);
308: }
1.44 kjell 309: curwp->w_rflag |= WFEDIT | WFMOVE;
1.56 lum 310: return (d_warpdot(curwp->w_dotp, &curwp->w_doto));
1.1 deraadt 311: }
312:
1.5 millert 313: /* ARGSUSED */
314: int
1.10 vincent 315: d_findfile(int f, int n)
1.1 deraadt 316: {
1.31 deraadt 317: struct buffer *bp;
318: int s;
319: char fname[NFILEN];
1.5 millert 320:
1.15 db 321: if ((s = d_makename(curwp->w_dotp, fname, sizeof(fname))) == ABORT)
322: return (FALSE);
1.12 vincent 323: if (s == TRUE)
324: bp = dired_(fname);
325: else
326: bp = findbuffer(fname);
327: if (bp == NULL)
1.15 db 328: return (FALSE);
1.5 millert 329: curbp = bp;
1.37 kjell 330: if (showbuffer(bp, curwp, WFFULL) != TRUE)
1.15 db 331: return (FALSE);
1.5 millert 332: if (bp->b_fname[0] != 0)
1.15 db 333: return (TRUE);
334: return (readin(fname));
1.1 deraadt 335: }
336:
1.5 millert 337: /* ARGSUSED */
338: int
1.10 vincent 339: d_ffotherwindow(int f, int n)
1.1 deraadt 340: {
1.31 deraadt 341: char fname[NFILEN];
342: int s;
343: struct buffer *bp;
344: struct mgwin *wp;
1.5 millert 345:
1.15 db 346: if ((s = d_makename(curwp->w_dotp, fname, sizeof(fname))) == ABORT)
347: return (FALSE);
1.5 millert 348: if ((bp = (s ? dired_(fname) : findbuffer(fname))) == NULL)
1.15 db 349: return (FALSE);
1.45 kjell 350: if ((wp = popbuf(bp, WNONE)) == NULL)
1.15 db 351: return (FALSE);
1.5 millert 352: curbp = bp;
353: curwp = wp;
354: if (bp->b_fname[0] != 0)
1.15 db 355: return (TRUE); /* never true for dired buffers */
356: return (readin(fname));
1.1 deraadt 357: }
358:
1.5 millert 359: /* ARGSUSED */
360: int
1.10 vincent 361: d_expunge(int f, int n)
1.1 deraadt 362: {
1.31 deraadt 363: struct line *lp, *nlp;
1.48 kjell 364: char fname[NFILEN], sname[NFILEN];
1.5 millert 365:
1.41 kjell 366: for (lp = bfirstlp(curbp); lp != curbp->b_headp; lp = nlp) {
1.5 millert 367: nlp = lforw(lp);
368: if (llength(lp) && lgetc(lp, 0) == 'D') {
1.15 db 369: switch (d_makename(lp, fname, sizeof(fname))) {
1.5 millert 370: case ABORT:
371: ewprintf("Bad line in dired buffer");
1.15 db 372: return (FALSE);
1.5 millert 373: case FALSE:
374: if (unlink(fname) < 0) {
1.48 kjell 375: (void)xbasename(sname, fname, NFILEN);
376: ewprintf("Could not delete '%s'", sname);
1.15 db 377: return (FALSE);
1.5 millert 378: }
379: break;
380: case TRUE:
381: if (rmdir(fname) < 0) {
1.48 kjell 382: (void)xbasename(sname, fname, NFILEN);
383: ewprintf("Could not delete directory "
384: "'%s'", sname);
1.15 db 385: return (FALSE);
1.5 millert 386: }
387: break;
388: }
389: lfree(lp);
1.39 kjell 390: curwp->w_bufp->b_lines--;
1.44 kjell 391: curwp->w_rflag |= WFFULL;
1.5 millert 392: }
1.1 deraadt 393: }
1.15 db 394: return (TRUE);
1.1 deraadt 395: }
396:
1.5 millert 397: /* ARGSUSED */
398: int
1.10 vincent 399: d_copy(int f, int n)
1.1 deraadt 400: {
1.48 kjell 401: char frname[NFILEN], toname[NFILEN], sname[NFILEN], *bufp;
1.33 kjell 402: int ret;
1.18 cloder 403: size_t off;
1.31 deraadt 404: struct buffer *bp;
1.1 deraadt 405:
1.15 db 406: if (d_makename(curwp->w_dotp, frname, sizeof(frname)) != FALSE) {
1.5 millert 407: ewprintf("Not a file");
1.15 db 408: return (FALSE);
1.5 millert 409: }
1.15 db 410: off = strlcpy(toname, curbp->b_fname, sizeof(toname));
411: if (off >= sizeof(toname) - 1) { /* can't happen, really */
1.18 cloder 412: ewprintf("Directory name too long");
1.12 vincent 413: return (FALSE);
414: }
1.48 kjell 415: (void)xbasename(sname, frname, NFILEN);
416: bufp = eread("Copy %s to: ", toname, sizeof(toname),
417: EFDEF | EFNEW | EFCR, sname);
418: if (bufp == NULL)
1.15 db 419: return (ABORT);
1.14 vincent 420: else if (bufp[0] == '\0')
1.17 otto 421: return (FALSE);
1.33 kjell 422: ret = (copy(frname, toname) >= 0) ? TRUE : FALSE;
423: if (ret != TRUE)
424: return (ret);
1.54 lum 425: if ((bp = refreshbuffer(curbp)) == NULL)
426: return (FALSE);
1.37 kjell 427: return (showbuffer(bp, curwp, WFFULL | WFMODE));
1.1 deraadt 428: }
429:
1.5 millert 430: /* ARGSUSED */
431: int
1.10 vincent 432: d_rename(int f, int n)
1.1 deraadt 433: {
1.31 deraadt 434: char frname[NFILEN], toname[NFILEN], *bufp;
1.33 kjell 435: int ret;
1.31 deraadt 436: size_t off;
437: struct buffer *bp;
1.48 kjell 438: char sname[NFILEN];
1.1 deraadt 439:
1.15 db 440: if (d_makename(curwp->w_dotp, frname, sizeof(frname)) != FALSE) {
1.5 millert 441: ewprintf("Not a file");
1.15 db 442: return (FALSE);
1.5 millert 443: }
1.15 db 444: off = strlcpy(toname, curbp->b_fname, sizeof(toname));
445: if (off >= sizeof(toname) - 1) { /* can't happen, really */
1.18 cloder 446: ewprintf("Directory name too long");
1.12 vincent 447: return (FALSE);
448: }
1.48 kjell 449: (void)xbasename(sname, frname, NFILEN);
450: bufp = eread("Rename %s to: ", toname,
451: sizeof(toname), EFDEF | EFNEW | EFCR, sname);
452: if (bufp == NULL)
1.15 db 453: return (ABORT);
1.14 vincent 454: else if (bufp[0] == '\0')
1.15 db 455: return (FALSE);
1.33 kjell 456: ret = (rename(frname, toname) >= 0) ? TRUE : FALSE;
457: if (ret != TRUE)
458: return (ret);
1.54 lum 459: if ((bp = refreshbuffer(curbp)) == NULL)
460: return (FALSE);
1.37 kjell 461: return (showbuffer(bp, curwp, WFFULL | WFMODE));
1.1 deraadt 462: }
1.12 vincent 463:
1.31 deraadt 464: /* ARGSUSED */
1.12 vincent 465: void
466: reaper(int signo __attribute__((unused)))
467: {
1.22 deraadt 468: int save_errno = errno, status;
1.12 vincent 469:
1.25 deraadt 470: while (waitpid(-1, &status, WNOHANG) >= 0)
1.12 vincent 471: ;
1.22 deraadt 472: errno = save_errno;
1.12 vincent 473: }
474:
475: /*
476: * Pipe the currently selected file through a shell command.
477: */
1.26 kjell 478: /* ARGSUSED */
1.12 vincent 479: int
480: d_shell_command(int f, int n)
481: {
1.50 lum 482: char command[512], fname[MAXPATHLEN], *bufp;
1.31 deraadt 483: struct buffer *bp;
484: struct mgwin *wp;
1.50 lum 485: char sname[NFILEN];
1.12 vincent 486:
487: bp = bfind("*Shell Command Output*", TRUE);
488: if (bclear(bp) != TRUE)
489: return (ABORT);
490:
1.15 db 491: if (d_makename(curwp->w_dotp, fname, sizeof(fname)) != FALSE) {
1.12 vincent 492: ewprintf("bad line");
493: return (ABORT);
494: }
495:
496: command[0] = '\0';
1.48 kjell 497: (void)xbasename(sname, fname, NFILEN);
498: bufp = eread("! on %s: ", command, sizeof(command), EFNEW, sname);
499: if (bufp == NULL)
1.12 vincent 500: return (ABORT);
1.50 lum 501:
502: if (d_exec(0, bp, fname, "sh", "-c", command, NULL) != TRUE)
503: return (ABORT);
504:
505: if ((wp = popbuf(bp, WNONE)) == NULL)
506: return (ABORT); /* XXX - free the buffer?? */
507: curwp = wp;
508: curbp = wp->w_bufp;
509: return (TRUE);
510: }
511:
512: /*
513: * Pipe input file to cmd and insert the command's output in the
514: * given buffer. Each line will be prefixed with the given
515: * number of spaces.
516: */
517: static int
518: d_exec(int space, struct buffer *bp, const char *input, const char *cmd, ...)
519: {
520: char buf[BUFSIZ];
521: va_list ap;
522: struct sigaction olda, newa;
523: char **argv = NULL, *cp;
524: FILE *fin;
525: int fds[2] = { -1, -1 };
526: int infd = -1;
527: int ret = (ABORT), n;
528: pid_t pid;
529:
530: if (sigaction(SIGCHLD, NULL, &olda) == -1)
531: return (ABORT);
532:
533: /* Find the number of arguments. */
534: va_start(ap, cmd);
535: for (n = 2; va_arg(ap, char *) != NULL; n++)
536: ;
537: va_end(ap);
538:
539: /* Allocate and build the argv. */
540: if ((argv = calloc(n, sizeof(*argv))) == NULL) {
541: ewprintf("Can't allocate argv : %s", strerror(errno));
542: goto out;
543: }
544:
545: n = 1;
546: argv[0] = (char *)cmd;
547: va_start(ap, cmd);
548: while ((argv[n] = va_arg(ap, char *)) != NULL)
549: n++;
550: va_end(ap);
551:
552: if (input == NULL)
553: input = "/dev/null";
554:
555: if ((infd = open(input, O_RDONLY)) == -1) {
1.12 vincent 556: ewprintf("Can't open input file : %s", strerror(errno));
1.50 lum 557: goto out;
1.12 vincent 558: }
1.50 lum 559:
1.12 vincent 560: if (pipe(fds) == -1) {
561: ewprintf("Can't create pipe : %s", strerror(errno));
1.50 lum 562: goto out;
1.12 vincent 563: }
564:
565: newa.sa_handler = reaper;
566: newa.sa_flags = 0;
1.50 lum 567: if (sigaction(SIGCHLD, &newa, NULL) == -1)
568: goto out;
569:
570: if ((pid = fork()) == -1) {
571: ewprintf("Can't fork");
572: goto out;
1.12 vincent 573: }
1.50 lum 574:
1.12 vincent 575: switch (pid) {
1.50 lum 576: case 0: /* Child */
1.12 vincent 577: close(fds[0]);
578: dup2(infd, STDIN_FILENO);
579: dup2(fds[1], STDOUT_FILENO);
580: dup2(fds[1], STDERR_FILENO);
1.50 lum 581: if (execvp(argv[0], argv) == -1)
582: ewprintf("Can't exec %s: %s", argv[0], strerror(errno));
1.12 vincent 583: exit(1);
1.29 deraadt 584: break;
1.50 lum 585: default: /* Parent */
1.12 vincent 586: close(infd);
587: close(fds[1]);
1.50 lum 588: infd = fds[1] = -1;
589: if ((fin = fdopen(fds[0], "r")) == NULL)
590: goto out;
1.15 db 591: while (fgets(buf, sizeof(buf), fin) != NULL) {
1.12 vincent 592: cp = strrchr(buf, '\n');
593: if (cp == NULL && !feof(fin)) { /* too long a line */
594: int c;
1.50 lum 595: addlinef(bp, "%*s%s...", space, "", buf);
1.12 vincent 596: while ((c = getc(fin)) != EOF && c != '\n')
597: ;
598: continue;
599: } else if (cp)
600: *cp = '\0';
1.50 lum 601: addlinef(bp, "%*s%s", space, "", buf);
1.12 vincent 602: }
603: fclose(fin);
604: break;
605: }
1.50 lum 606: ret = (TRUE);
607:
608: out:
1.12 vincent 609: if (sigaction(SIGCHLD, &olda, NULL) == -1)
610: ewprintf("Warning, couldn't reset previous signal handler");
1.50 lum 611: if (fds[0] != -1)
612: close(fds[0]);
613: if (fds[1] != -1)
614: close(fds[1]);
615: if (infd != -1)
616: close(infd);
617: if (argv != NULL)
618: free(argv);
619: return ret;
1.12 vincent 620: }
621:
1.26 kjell 622: /* ARGSUSED */
1.12 vincent 623: int
624: d_create_directory(int f, int n)
625: {
1.57 ! lum 626: int ret;
1.31 deraadt 627: struct buffer *bp;
1.12 vincent 628:
1.57 ! lum 629: ret = do_makedir();
! 630: if (ret != TRUE)
! 631: return(ret);
! 632:
1.54 lum 633: if ((bp = refreshbuffer(curbp)) == NULL)
634: return (FALSE);
1.57 ! lum 635:
1.37 kjell 636: return (showbuffer(bp, curwp, WFFULL | WFMODE));
1.54 lum 637: }
638:
639: struct buffer *
640: refreshbuffer(struct buffer *bp)
641: {
642: char *tmp;
643:
644: tmp = strdup(bp->b_fname);
1.55 lum 645: if (tmp == NULL) {
646: ewprintf("Out of memory");
647: return (FALSE);
648: }
1.54 lum 649:
650: killbuffer(bp);
651:
652: /* dired_() uses findbuffer() to create new buffer */
653: if ((bp = dired_(tmp)) == NULL) {
654: free(tmp);
655: return (NULL);
656: }
657: free(tmp);
658: curbp = bp;
659:
660: return (bp);
1.12 vincent 661: }
1.24 kjell 662:
663: static int
1.34 kjell 664: d_makename(struct line *lp, char *fn, size_t len)
1.24 kjell 665: {
1.50 lum 666: int start, nlen;
667: char *namep;
1.24 kjell 668:
1.50 lum 669: if (d_warpdot(lp, &start) == FALSE)
1.24 kjell 670: return (ABORT);
1.50 lum 671: namep = &lp->l_text[start];
672: nlen = llength(lp) - start;
673:
674: if (snprintf(fn, len, "%s%.*s", curbp->b_fname, nlen, namep) >= len)
675: return (ABORT); /* Name is too long. */
676:
677: /* Return TRUE if the entry is a directory. */
1.24 kjell 678: return ((lgetc(lp, 2) == 'd') ? TRUE : FALSE);
679: }
680:
1.50 lum 681: #define NAME_FIELD 9
682:
1.49 lum 683: static int
684: d_warpdot(struct line *dotp, int *doto)
685: {
686: char *tp = dotp->l_text;
687: int off = 0, field = 0, len;
688:
689: /*
690: * Find the byte offset to the (space-delimited) filename
691: * field in formatted ls output.
692: */
693: len = llength(dotp);
694: while (off < len) {
695: if (tp[off++] == ' ') {
1.50 lum 696: if (++field == NAME_FIELD) {
697: *doto = off;
698: return (TRUE);
699: }
1.49 lum 700: /* Skip the space. */
701: while (off < len && tp[off] == ' ')
702: off++;
703: }
704: }
1.50 lum 705: /* We didn't find the field. */
706: *doto = 0;
707: return (FALSE);
1.49 lum 708: }
709:
710: static int
711: d_forwpage(int f, int n)
712: {
713: forwpage(f | FFRAND, n);
714: return (d_warpdot(curwp->w_dotp, &curwp->w_doto));
715: }
716:
717: static int
718: d_backpage (int f, int n)
719: {
720: backpage(f | FFRAND, n);
721: return (d_warpdot(curwp->w_dotp, &curwp->w_doto));
722: }
723:
724: static int
725: d_forwline (int f, int n)
726: {
727: forwline(f | FFRAND, n);
728: return (d_warpdot(curwp->w_dotp, &curwp->w_doto));
729: }
730:
731: static int
732: d_backline (int f, int n)
733: {
734: backline(f | FFRAND, n);
735: return (d_warpdot(curwp->w_dotp, &curwp->w_doto));
736: }
737:
1.24 kjell 738: /*
1.33 kjell 739: * XXX dname needs to have enough place to store an additional '/'.
1.24 kjell 740: */
1.31 deraadt 741: struct buffer *
1.33 kjell 742: dired_(char *dname)
1.24 kjell 743: {
1.31 deraadt 744: struct buffer *bp;
1.52 haesbaer 745: int i;
746: size_t len;
1.46 kjell 747:
1.52 haesbaer 748: if ((access(dname, R_OK | X_OK)) == -1) {
1.46 kjell 749: if (errno == EACCES)
750: ewprintf("Permission denied");
751: return (NULL);
752: }
1.38 jason 753: if ((dname = adjustname(dname, FALSE)) == NULL) {
1.24 kjell 754: ewprintf("Bad directory name");
755: return (NULL);
756: }
757: /* this should not be done, instead adjustname() should get a flag */
1.33 kjell 758: len = strlen(dname);
759: if (dname[len - 1] != '/') {
760: dname[len++] = '/';
761: dname[len] = '\0';
1.24 kjell 762: }
1.33 kjell 763: if ((bp = findbuffer(dname)) == NULL) {
1.24 kjell 764: ewprintf("Could not create buffer");
765: return (NULL);
766: }
767: if (bclear(bp) != TRUE)
768: return (NULL);
769: bp->b_flag |= BFREADONLY;
1.50 lum 770:
771: if ((d_exec(2, bp, NULL, "ls", "-al", dname, NULL)) != TRUE)
1.24 kjell 772: return (NULL);
1.49 lum 773:
774: /* Find the line with ".." on it. */
1.41 kjell 775: bp->b_dotp = bfirstlp(bp);
1.49 lum 776: for (i = 0; i < bp->b_lines; i++) {
777: bp->b_dotp = lforw(bp->b_dotp);
1.50 lum 778: if (d_warpdot(bp->b_dotp, &bp->b_doto) == FALSE)
1.49 lum 779: continue;
780: if (strcmp(ltext(bp->b_dotp) + bp->b_doto, "..") == 0)
781: break;
782: }
783:
784: /* We want dot on the entry right after "..", if possible. */
785: if (++i < bp->b_lines - 2)
786: bp->b_dotp = lforw(bp->b_dotp);
787: d_warpdot(bp->b_dotp, &bp->b_doto);
788:
1.36 kjell 789: (void)strlcpy(bp->b_fname, dname, sizeof(bp->b_fname));
790: (void)strlcpy(bp->b_cwd, dname, sizeof(bp->b_cwd));
1.24 kjell 791: if ((bp->b_modes[1] = name_mode("dired")) == NULL) {
792: bp->b_modes[0] = name_mode("fundamental");
793: ewprintf("Could not find mode dired");
794: return (NULL);
795: }
796: bp->b_nmodes = 1;
797: return (bp);
798: }
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