Annotation of src/usr.bin/mg/dired.c, Revision 1.59
1.59 ! lum 1: /* $OpenBSD: dired.c,v 1.58 2013/05/30 04:27:18 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: {
1.59 ! lum 401: char frname[NFILEN], toname[NFILEN], sname[NFILEN];
! 402: char *topath, *bufp;
! 403: int ret;
! 404: size_t off;
! 405: struct buffer *bp;
1.1 deraadt 406:
1.15 db 407: if (d_makename(curwp->w_dotp, frname, sizeof(frname)) != FALSE) {
1.5 millert 408: ewprintf("Not a file");
1.15 db 409: return (FALSE);
1.5 millert 410: }
1.15 db 411: off = strlcpy(toname, curbp->b_fname, sizeof(toname));
412: if (off >= sizeof(toname) - 1) { /* can't happen, really */
1.18 cloder 413: ewprintf("Directory name too long");
1.12 vincent 414: return (FALSE);
415: }
1.48 kjell 416: (void)xbasename(sname, frname, NFILEN);
417: bufp = eread("Copy %s to: ", toname, sizeof(toname),
418: EFDEF | EFNEW | EFCR, sname);
419: if (bufp == NULL)
1.15 db 420: return (ABORT);
1.14 vincent 421: else if (bufp[0] == '\0')
1.17 otto 422: return (FALSE);
1.59 ! lum 423:
! 424: topath = adjustname(toname, TRUE);
! 425: ret = (copy(frname, topath) >= 0) ? TRUE : FALSE;
1.33 kjell 426: if (ret != TRUE)
427: return (ret);
1.54 lum 428: if ((bp = refreshbuffer(curbp)) == NULL)
429: return (FALSE);
1.37 kjell 430: return (showbuffer(bp, curwp, WFFULL | WFMODE));
1.1 deraadt 431: }
432:
1.5 millert 433: /* ARGSUSED */
434: int
1.10 vincent 435: d_rename(int f, int n)
1.1 deraadt 436: {
1.59 ! lum 437: char frname[NFILEN], toname[NFILEN];
! 438: char *topath, *bufp;
1.33 kjell 439: int ret;
1.31 deraadt 440: size_t off;
441: struct buffer *bp;
1.48 kjell 442: char sname[NFILEN];
1.1 deraadt 443:
1.15 db 444: if (d_makename(curwp->w_dotp, frname, sizeof(frname)) != FALSE) {
1.5 millert 445: ewprintf("Not a file");
1.15 db 446: return (FALSE);
1.5 millert 447: }
1.15 db 448: off = strlcpy(toname, curbp->b_fname, sizeof(toname));
449: if (off >= sizeof(toname) - 1) { /* can't happen, really */
1.18 cloder 450: ewprintf("Directory name too long");
1.12 vincent 451: return (FALSE);
452: }
1.48 kjell 453: (void)xbasename(sname, frname, NFILEN);
454: bufp = eread("Rename %s to: ", toname,
455: sizeof(toname), EFDEF | EFNEW | EFCR, sname);
456: if (bufp == NULL)
1.15 db 457: return (ABORT);
1.14 vincent 458: else if (bufp[0] == '\0')
1.15 db 459: return (FALSE);
1.59 ! lum 460:
! 461: topath = adjustname(toname, TRUE);
! 462: ret = (rename(frname, topath) >= 0) ? TRUE : FALSE;
1.33 kjell 463: if (ret != TRUE)
464: return (ret);
1.54 lum 465: if ((bp = refreshbuffer(curbp)) == NULL)
466: return (FALSE);
1.37 kjell 467: return (showbuffer(bp, curwp, WFFULL | WFMODE));
1.1 deraadt 468: }
1.12 vincent 469:
1.31 deraadt 470: /* ARGSUSED */
1.12 vincent 471: void
472: reaper(int signo __attribute__((unused)))
473: {
1.22 deraadt 474: int save_errno = errno, status;
1.12 vincent 475:
1.25 deraadt 476: while (waitpid(-1, &status, WNOHANG) >= 0)
1.12 vincent 477: ;
1.22 deraadt 478: errno = save_errno;
1.12 vincent 479: }
480:
481: /*
482: * Pipe the currently selected file through a shell command.
483: */
1.26 kjell 484: /* ARGSUSED */
1.12 vincent 485: int
486: d_shell_command(int f, int n)
487: {
1.50 lum 488: char command[512], fname[MAXPATHLEN], *bufp;
1.31 deraadt 489: struct buffer *bp;
490: struct mgwin *wp;
1.50 lum 491: char sname[NFILEN];
1.12 vincent 492:
493: bp = bfind("*Shell Command Output*", TRUE);
494: if (bclear(bp) != TRUE)
495: return (ABORT);
496:
1.15 db 497: if (d_makename(curwp->w_dotp, fname, sizeof(fname)) != FALSE) {
1.12 vincent 498: ewprintf("bad line");
499: return (ABORT);
500: }
501:
502: command[0] = '\0';
1.48 kjell 503: (void)xbasename(sname, fname, NFILEN);
504: bufp = eread("! on %s: ", command, sizeof(command), EFNEW, sname);
505: if (bufp == NULL)
1.12 vincent 506: return (ABORT);
1.50 lum 507:
508: if (d_exec(0, bp, fname, "sh", "-c", command, NULL) != TRUE)
509: return (ABORT);
510:
511: if ((wp = popbuf(bp, WNONE)) == NULL)
512: return (ABORT); /* XXX - free the buffer?? */
513: curwp = wp;
514: curbp = wp->w_bufp;
515: return (TRUE);
516: }
517:
518: /*
519: * Pipe input file to cmd and insert the command's output in the
520: * given buffer. Each line will be prefixed with the given
521: * number of spaces.
522: */
523: static int
524: d_exec(int space, struct buffer *bp, const char *input, const char *cmd, ...)
525: {
526: char buf[BUFSIZ];
527: va_list ap;
528: struct sigaction olda, newa;
529: char **argv = NULL, *cp;
530: FILE *fin;
531: int fds[2] = { -1, -1 };
532: int infd = -1;
533: int ret = (ABORT), n;
534: pid_t pid;
535:
536: if (sigaction(SIGCHLD, NULL, &olda) == -1)
537: return (ABORT);
538:
539: /* Find the number of arguments. */
540: va_start(ap, cmd);
541: for (n = 2; va_arg(ap, char *) != NULL; n++)
542: ;
543: va_end(ap);
544:
545: /* Allocate and build the argv. */
546: if ((argv = calloc(n, sizeof(*argv))) == NULL) {
547: ewprintf("Can't allocate argv : %s", strerror(errno));
548: goto out;
549: }
550:
551: n = 1;
552: argv[0] = (char *)cmd;
553: va_start(ap, cmd);
554: while ((argv[n] = va_arg(ap, char *)) != NULL)
555: n++;
556: va_end(ap);
557:
558: if (input == NULL)
559: input = "/dev/null";
560:
561: if ((infd = open(input, O_RDONLY)) == -1) {
1.12 vincent 562: ewprintf("Can't open input file : %s", strerror(errno));
1.50 lum 563: goto out;
1.12 vincent 564: }
1.50 lum 565:
1.12 vincent 566: if (pipe(fds) == -1) {
567: ewprintf("Can't create pipe : %s", strerror(errno));
1.50 lum 568: goto out;
1.12 vincent 569: }
570:
571: newa.sa_handler = reaper;
572: newa.sa_flags = 0;
1.50 lum 573: if (sigaction(SIGCHLD, &newa, NULL) == -1)
574: goto out;
575:
576: if ((pid = fork()) == -1) {
577: ewprintf("Can't fork");
578: goto out;
1.12 vincent 579: }
1.50 lum 580:
1.12 vincent 581: switch (pid) {
1.50 lum 582: case 0: /* Child */
1.12 vincent 583: close(fds[0]);
584: dup2(infd, STDIN_FILENO);
585: dup2(fds[1], STDOUT_FILENO);
586: dup2(fds[1], STDERR_FILENO);
1.50 lum 587: if (execvp(argv[0], argv) == -1)
588: ewprintf("Can't exec %s: %s", argv[0], strerror(errno));
1.12 vincent 589: exit(1);
1.29 deraadt 590: break;
1.50 lum 591: default: /* Parent */
1.12 vincent 592: close(infd);
593: close(fds[1]);
1.50 lum 594: infd = fds[1] = -1;
595: if ((fin = fdopen(fds[0], "r")) == NULL)
596: goto out;
1.15 db 597: while (fgets(buf, sizeof(buf), fin) != NULL) {
1.12 vincent 598: cp = strrchr(buf, '\n');
599: if (cp == NULL && !feof(fin)) { /* too long a line */
600: int c;
1.50 lum 601: addlinef(bp, "%*s%s...", space, "", buf);
1.12 vincent 602: while ((c = getc(fin)) != EOF && c != '\n')
603: ;
604: continue;
605: } else if (cp)
606: *cp = '\0';
1.50 lum 607: addlinef(bp, "%*s%s", space, "", buf);
1.12 vincent 608: }
609: fclose(fin);
610: break;
611: }
1.50 lum 612: ret = (TRUE);
613:
614: out:
1.12 vincent 615: if (sigaction(SIGCHLD, &olda, NULL) == -1)
616: ewprintf("Warning, couldn't reset previous signal handler");
1.50 lum 617: if (fds[0] != -1)
618: close(fds[0]);
619: if (fds[1] != -1)
620: close(fds[1]);
621: if (infd != -1)
622: close(infd);
623: if (argv != NULL)
624: free(argv);
625: return ret;
1.12 vincent 626: }
627:
1.26 kjell 628: /* ARGSUSED */
1.12 vincent 629: int
630: d_create_directory(int f, int n)
631: {
1.57 lum 632: int ret;
1.31 deraadt 633: struct buffer *bp;
1.12 vincent 634:
1.57 lum 635: ret = do_makedir();
636: if (ret != TRUE)
637: return(ret);
638:
1.54 lum 639: if ((bp = refreshbuffer(curbp)) == NULL)
640: return (FALSE);
1.57 lum 641:
1.37 kjell 642: return (showbuffer(bp, curwp, WFFULL | WFMODE));
1.54 lum 643: }
644:
645: struct buffer *
646: refreshbuffer(struct buffer *bp)
647: {
648: char *tmp;
649:
650: tmp = strdup(bp->b_fname);
1.55 lum 651: if (tmp == NULL) {
652: ewprintf("Out of memory");
653: return (FALSE);
654: }
1.54 lum 655:
656: killbuffer(bp);
657:
658: /* dired_() uses findbuffer() to create new buffer */
659: if ((bp = dired_(tmp)) == NULL) {
660: free(tmp);
661: return (NULL);
662: }
663: free(tmp);
664: curbp = bp;
665:
666: return (bp);
1.12 vincent 667: }
1.24 kjell 668:
669: static int
1.34 kjell 670: d_makename(struct line *lp, char *fn, size_t len)
1.24 kjell 671: {
1.50 lum 672: int start, nlen;
673: char *namep;
1.24 kjell 674:
1.50 lum 675: if (d_warpdot(lp, &start) == FALSE)
1.24 kjell 676: return (ABORT);
1.50 lum 677: namep = &lp->l_text[start];
678: nlen = llength(lp) - start;
679:
680: if (snprintf(fn, len, "%s%.*s", curbp->b_fname, nlen, namep) >= len)
681: return (ABORT); /* Name is too long. */
682:
683: /* Return TRUE if the entry is a directory. */
1.24 kjell 684: return ((lgetc(lp, 2) == 'd') ? TRUE : FALSE);
685: }
686:
1.50 lum 687: #define NAME_FIELD 9
688:
1.49 lum 689: static int
690: d_warpdot(struct line *dotp, int *doto)
691: {
692: char *tp = dotp->l_text;
693: int off = 0, field = 0, len;
694:
695: /*
696: * Find the byte offset to the (space-delimited) filename
697: * field in formatted ls output.
698: */
699: len = llength(dotp);
700: while (off < len) {
701: if (tp[off++] == ' ') {
1.50 lum 702: if (++field == NAME_FIELD) {
703: *doto = off;
704: return (TRUE);
705: }
1.49 lum 706: /* Skip the space. */
707: while (off < len && tp[off] == ' ')
708: off++;
709: }
710: }
1.50 lum 711: /* We didn't find the field. */
712: *doto = 0;
713: return (FALSE);
1.49 lum 714: }
715:
716: static int
717: d_forwpage(int f, int n)
718: {
719: forwpage(f | FFRAND, n);
720: return (d_warpdot(curwp->w_dotp, &curwp->w_doto));
721: }
722:
723: static int
724: d_backpage (int f, int n)
725: {
726: backpage(f | FFRAND, n);
727: return (d_warpdot(curwp->w_dotp, &curwp->w_doto));
728: }
729:
730: static int
731: d_forwline (int f, int n)
732: {
733: forwline(f | FFRAND, n);
734: return (d_warpdot(curwp->w_dotp, &curwp->w_doto));
735: }
736:
737: static int
738: d_backline (int f, int n)
739: {
740: backline(f | FFRAND, n);
741: return (d_warpdot(curwp->w_dotp, &curwp->w_doto));
742: }
743:
1.24 kjell 744: /*
1.33 kjell 745: * XXX dname needs to have enough place to store an additional '/'.
1.24 kjell 746: */
1.31 deraadt 747: struct buffer *
1.33 kjell 748: dired_(char *dname)
1.24 kjell 749: {
1.31 deraadt 750: struct buffer *bp;
1.52 haesbaer 751: int i;
752: size_t len;
1.46 kjell 753:
1.38 jason 754: if ((dname = adjustname(dname, FALSE)) == NULL) {
1.24 kjell 755: ewprintf("Bad directory name");
756: return (NULL);
757: }
758: /* this should not be done, instead adjustname() should get a flag */
1.33 kjell 759: len = strlen(dname);
760: if (dname[len - 1] != '/') {
761: dname[len++] = '/';
762: dname[len] = '\0';
1.58 lum 763: }
764: if ((access(dname, R_OK | X_OK)) == -1) {
765: if (errno == EACCES)
766: ewprintf("Permission denied");
767: return (NULL);
1.24 kjell 768: }
1.33 kjell 769: if ((bp = findbuffer(dname)) == NULL) {
1.24 kjell 770: ewprintf("Could not create buffer");
771: return (NULL);
772: }
773: if (bclear(bp) != TRUE)
774: return (NULL);
775: bp->b_flag |= BFREADONLY;
1.50 lum 776:
777: if ((d_exec(2, bp, NULL, "ls", "-al", dname, NULL)) != TRUE)
1.24 kjell 778: return (NULL);
1.49 lum 779:
780: /* Find the line with ".." on it. */
1.41 kjell 781: bp->b_dotp = bfirstlp(bp);
1.49 lum 782: for (i = 0; i < bp->b_lines; i++) {
783: bp->b_dotp = lforw(bp->b_dotp);
1.50 lum 784: if (d_warpdot(bp->b_dotp, &bp->b_doto) == FALSE)
1.49 lum 785: continue;
786: if (strcmp(ltext(bp->b_dotp) + bp->b_doto, "..") == 0)
787: break;
788: }
789:
790: /* We want dot on the entry right after "..", if possible. */
791: if (++i < bp->b_lines - 2)
792: bp->b_dotp = lforw(bp->b_dotp);
793: d_warpdot(bp->b_dotp, &bp->b_doto);
794:
1.36 kjell 795: (void)strlcpy(bp->b_fname, dname, sizeof(bp->b_fname));
796: (void)strlcpy(bp->b_cwd, dname, sizeof(bp->b_cwd));
1.24 kjell 797: if ((bp->b_modes[1] = name_mode("dired")) == NULL) {
798: bp->b_modes[0] = name_mode("fundamental");
799: ewprintf("Could not find mode dired");
800: return (NULL);
801: }
802: bp->b_nmodes = 1;
803: return (bp);
804: }
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