1 #define _XOPEN_SOURCE       700
2 #define _XOPEN_SOURCE_EXTENDED
3 #define _FILE_OFFSET_BITS   64
4 
5 #include <stdlib.h>
6 #include <stdint.h>
7 #include <ctype.h>
8 #include <wchar.h>
9 #include <wctype.h>
10 #include <string.h>
11 #include <sys/types.h>  /* pid_t, ... */
12 #include <stdio.h>
13 #include <limits.h>     /* PATH_MAX */
14 #include <locale.h>     /* setlocale(), LC_ALL */
15 #include <unistd.h>     /* chdir(), getcwd(), read(), close(), ... */
16 #include <dirent.h>     /* DIR, struct dirent, opendir(), ... */
17 #include <libgen.h>
18 #include <sys/stat.h>
19 #include <fcntl.h>      /* open() */
20 #include <sys/wait.h>   /* waitpid() */
21 #include <signal.h>     /* struct sigaction, sigaction() */
22 #include <errno.h>
23 #include <stdarg.h>
24 #include <curses.h>
25 
26 #include "config.h"
27 
28 /*  This signal is not defined by POSIX, but should be
29    present on all systems that have resizable terminals. */
30 #ifndef SIGWINCH
31 #define SIGWINCH  28
32 #endif
33 
34 /* String buffers. */
35 #define BUFLEN  PATH_MAX
36 static char BUF1[BUFLEN];
37 static char BUF2[BUFLEN];
38 static char INPUT[BUFLEN];
39 static wchar_t WBUF[BUFLEN];
40 
41 /* Listing view parameters. */
42 #define HEIGHT      (LINES-4)
43 #define STATUSPOS   (COLS-16)
44 
45 /* Listing view flags. */
46 #define SHOW_FILES      0x01u
47 #define SHOW_DIRS       0x02u
48 #define SHOW_HIDDEN     0x04u
49 
50 /* Marks parameters. */
51 #define BULK_INIT   5
52 #define BULK_THRESH 256
53 
54 /* Information associated to each entry in listing. */
55 typedef struct Row {
56     char *name;
57     off_t size;
58     mode_t mode;
59     int islink;
60     int marked;
61 } Row;
62 
63 /* Dynamic array of marked entries. */
64 typedef struct Marks {
65     char dirpath[PATH_MAX];
66     int bulk;
67     int nentries;
68     char **entries;
69 } Marks;
70 
71 /* Line editing state. */
72 typedef struct Edit {
73     wchar_t buffer[BUFLEN+1];
74     int left, right;
75 } Edit;
76 
77 /* Each tab only stores the following information. */
78 typedef struct Tab {
79     int scroll;
80     int esel;
81     uint8_t flags;
82     char cwd[PATH_MAX];
83 } Tab;
84 
85 typedef struct Prog {
86     off_t partial;
87     off_t total;
88     const char *msg;
89 } Prog;
90 
91 /* Global state. */
92 static struct Rover {
93     int tab;
94     int nfiles;
95     Row *rows;
96     WINDOW *window;
97     Marks marks;
98     Edit edit;
99     int edit_scroll;
100     volatile sig_atomic_t pending_winch;
101     Prog prog;
102     Tab tabs[10];
103 } rover;
104 
105 /* Macros for accessing global state. */
106 #define ENAME(I)    rover.rows[I].name
107 #define ESIZE(I)    rover.rows[I].size
108 #define EMODE(I)    rover.rows[I].mode
109 #define ISLINK(I)   rover.rows[I].islink
110 #define MARKED(I)   rover.rows[I].marked
111 #define SCROLL      rover.tabs[rover.tab].scroll
112 #define ESEL        rover.tabs[rover.tab].esel
113 #define FLAGS       rover.tabs[rover.tab].flags
114 #define CWD         rover.tabs[rover.tab].cwd
115 
116 /* Helpers. */
117 #define MIN(A, B)   ((A) < (B) ? (A) : (B))
118 #define MAX(A, B)   ((A) > (B) ? (A) : (B))
119 #define ISDIR(E)    (strchr((E), '/') != NULL)
120 
121 /* Line Editing Macros. */
122 #define EDIT_FULL(E)       ((E).left == (E).right)
123 #define EDIT_CAN_LEFT(E)   ((E).left)
124 #define EDIT_CAN_RIGHT(E)  ((E).right < BUFLEN-1)
125 #define EDIT_LEFT(E)       (E).buffer[(E).right--] = (E).buffer[--(E).left]
126 #define EDIT_RIGHT(E)      (E).buffer[(E).left++] = (E).buffer[++(E).right]
127 #define EDIT_INSERT(E, C)  (E).buffer[(E).left++] = (C)
128 #define EDIT_BACKSPACE(E)  (E).left--
129 #define EDIT_DELETE(E)     (E).right++
130 #define EDIT_CLEAR(E)      do { (E).left = 0; (E).right = BUFLEN-1; } while(0)
131 
132 typedef enum EditStat {CONTINUE, CONFIRM, CANCEL} EditStat;
133 typedef enum Color {DEFAULT, RED, GREEN, YELLOW, BLUE, CYAN, MAGENTA, WHITE, BLACK} Color;
134 typedef int (*PROCESS)(const char *path);
135 
136 static void
137 init_marks(Marks *marks)
138 {
139     strcpy(marks->dirpath, "");
140     marks->bulk = BULK_INIT;
141     marks->nentries = 0;
142     marks->entries = calloc(marks->bulk, sizeof *marks->entries);
143 }
144 
145 /* Unmark all entries. */
146 static void
147 mark_none(Marks *marks)
148 {
149     int i;
150 
151     strcpy(marks->dirpath, "");
152     for (i = 0; i < marks->bulk && marks->nentries; i++)
153         if (marks->entries[i]) {
154             free(marks->entries[i]);
155             marks->entries[i] = NULL;
156             marks->nentries--;
157         }
158     if (marks->bulk > BULK_THRESH) {
159         /* Reset bulk to free some memory. */
160         free(marks->entries);
161         marks->bulk = BULK_INIT;
162         marks->entries = calloc(marks->bulk, sizeof *marks->entries);
163     }
164 }
165 
166 static void
167 add_mark(Marks *marks, char *dirpath, char *entry)
168 {
169     int i;
170 
171     if (!strcmp(marks->dirpath, dirpath)) {
172         /* Append mark to directory. */
173         if (marks->nentries == marks->bulk) {
174             /* Expand bulk to accomodate new entry. */
175             int extra = marks->bulk / 2;
176             marks->bulk += extra; /* bulk *= 1.5; */
177             marks->entries = realloc(marks->entries,
178                                      marks->bulk * sizeof *marks->entries);
179             memset(&marks->entries[marks->nentries], 0,
180                    extra * sizeof *marks->entries);
181             i = marks->nentries;
182         } else {
183             /* Search for empty slot (there must be one). */
184             for (i = 0; i < marks->bulk; i++)
185                 if (!marks->entries[i])
186                     break;
187         }
188     } else {
189         /* Directory changed. Discard old marks. */
190         mark_none(marks);
191         strcpy(marks->dirpath, dirpath);
192         i = 0;
193     }
194     marks->entries[i] = malloc(strlen(entry) + 1);
195     strcpy(marks->entries[i], entry);
196     marks->nentries++;
197 }
198 
199 static void
200 del_mark(Marks *marks, char *entry)
201 {
202     int i;
203 
204     if (marks->nentries > 1) {
205         for (i = 0; i < marks->bulk; i++)
206             if (marks->entries[i] && !strcmp(marks->entries[i], entry))
207                 break;
208         free(marks->entries[i]);
209         marks->entries[i] = NULL;
210         marks->nentries--;
211     } else
212         mark_none(marks);
213 }
214 
215 static void
216 free_marks(Marks *marks)
217 {
218     int i;
219 
220     for (i = 0; i < marks->bulk && marks->nentries; i++)
221         if (marks->entries[i]) {
222             free(marks->entries[i]);
223             marks->nentries--;
224         }
225     free(marks->entries);
226 }
227 
228 static void
229 handle_winch(int sig)
230 {
231     rover.pending_winch = 1;
232 }
233 
234 static void
235 enable_handlers()
236 {
237     struct sigaction sa;
238 
239     memset(&sa, 0, sizeof (struct sigaction));
240     sa.sa_handler = handle_winch;
241     sigaction(SIGWINCH, &sa, NULL);
242 }
243 
244 static void
245 disable_handlers()
246 {
247     struct sigaction sa;
248 
249     memset(&sa, 0, sizeof (struct sigaction));
250     sa.sa_handler = SIG_DFL;
251     sigaction(SIGWINCH, &sa, NULL);
252 }
253 
254 static void update_view();
255 
256 /* Handle any signals received since last call. */
257 static void
258 sync_signals()
259 {
260     if (rover.pending_winch) {
261         /* SIGWINCH received: resize application accordingly. */
262         delwin(rover.window);
263         endwin();
264         refresh();
265         clear();
266         rover.window = subwin(stdscr, LINES - 2, COLS, 1, 0);
267         if (HEIGHT < rover.nfiles && SCROLL + HEIGHT > rover.nfiles)
268             SCROLL = ESEL - HEIGHT;
269         update_view();
270         rover.pending_winch = 0;
271     }
272 }
273 
274 /* This function must be used in place of getch().
275    It handles signals while waiting for user input. */
276 static int
277 rover_getch()
278 {
279     int ch;
280 
281     while ((ch = getch()) == ERR)
282         sync_signals();
283     return ch;
284 }
285 
286 /* This function must be used in place of get_wch().
287    It handles signals while waiting for user input. */
288 static int
289 rover_get_wch(wint_t *wch)
290 {
291     wint_t ret;
292 
293     while ((ret = get_wch(wch)) == (wint_t) ERR)
294         sync_signals();
295     return ret;
296 }
297 
298 /* Do a fork-exec to external program (e.g. $EDITOR). */
299 static void
300 spawn(char **args)
301 {
302     pid_t pid;
303     int status;
304 
305     setenv("RVSEL", rover.nfiles ? ENAME(ESEL) : "", 1);
306     pid = fork();
307     if (pid > 0) {
308         /* fork() succeeded. */
309         disable_handlers();
310         endwin();
311         waitpid(pid, &status, 0);
312         enable_handlers();
313         kill(getpid(), SIGWINCH);
314     } else if (pid == 0) {
315         /* Child process. */
316         execvp(args[0], args);
317     }
318 }
319 
320 static int
321 open_with_env(const char *env, char *path)
322 {
323     char *program = getenv(env);
324     if (program) {
325 #ifdef RV_SHELL
326         strncpy(BUF1, program, BUFLEN - 1);
327         strncat(BUF1, " ", BUFLEN - strlen(program) - 1);
328         strncat(BUF1, path, BUFLEN - strlen(program) - strlen(path) - 2);
329         spawn((char *[]) {RV_SHELL, "-c", BUF1, NULL});
330 #else
331         spawn((char *[]) {program, path, NULL});
332 #endif
333         return 1;
334     }
335     return 0;
336 }
337 
338 /* Curses setup. */
339 static void
340 init_term()
341 {
342     setlocale(LC_ALL, "");
343     initscr();
344     cbreak(); /* Get one character at a time. */
345     timeout(100); /* For getch(). */
346     noecho();
347     nonl(); /* No NL->CR/NL on output. */
348     intrflush(stdscr, FALSE);
349     keypad(stdscr, TRUE);
350     curs_set(FALSE); /* Hide blinking cursor. */
351     if (has_colors()) {
352         short bg;
353         start_color();
354 #ifdef NCURSES_EXT_FUNCS
355         use_default_colors();
356         bg = -1;
357 #else
358         bg = COLOR_BLACK;
359 #endif
360         init_pair(RED, COLOR_RED, bg);
361         init_pair(GREEN, COLOR_GREEN, bg);
362         init_pair(YELLOW, COLOR_YELLOW, bg);
363         init_pair(BLUE, COLOR_BLUE, bg);
364         init_pair(CYAN, COLOR_CYAN, bg);
365         init_pair(MAGENTA, COLOR_MAGENTA, bg);
366         init_pair(WHITE, COLOR_WHITE, bg);
367         init_pair(BLACK, COLOR_BLACK, bg);
368     }
369     atexit((void (*)(void)) endwin);
370     enable_handlers();
371 }
372 
373 /* Update the listing view. */
374 static void
375 update_view()
376 {
377     int i, j;
378     int numsize;
379     int ishidden;
380     int marking;
381 
382     mvhline(0, 0, ' ', COLS);
383     attr_on(A_BOLD, NULL);
384     color_set(RVC_TABNUM, NULL);
385     mvaddch(0, COLS - 2, rover.tab + '0');
386     attr_off(A_BOLD, NULL);
387     if (rover.marks.nentries) {
388         numsize = snprintf(BUF1, BUFLEN, "%d", rover.marks.nentries);
389         color_set(RVC_MARKS, NULL);
390         mvaddstr(0, COLS - 3 - numsize, BUF1);
391     } else
392         numsize = -1;
393     color_set(RVC_CWD, NULL);
394     mbstowcs(WBUF, CWD, PATH_MAX);
395     mvaddnwstr(0, 0, WBUF, COLS - 4 - numsize);
396     wcolor_set(rover.window, RVC_BORDER, NULL);
397     wborder(rover.window, 0, 0, 0, 0, 0, 0, 0, 0);
398     ESEL = MAX(MIN(ESEL, rover.nfiles - 1), 0);
399     /* Selection might not be visible, due to cursor wrapping or window
400        shrinking. In that case, the scroll must be moved to make it visible. */
401     if (rover.nfiles > HEIGHT) {
402         SCROLL = MAX(MIN(SCROLL, ESEL), ESEL - HEIGHT + 1);
403         SCROLL = MIN(MAX(SCROLL, 0), rover.nfiles - HEIGHT);
404     } else
405         SCROLL = 0;
406     marking = !strcmp(CWD, rover.marks.dirpath);
407     for (i = 0, j = SCROLL; i < HEIGHT && j < rover.nfiles; i++, j++) {
408         ishidden = ENAME(j)[0] == '.';
409         if (j == ESEL)
410             wattr_on(rover.window, A_REVERSE, NULL);
411         if (ISLINK(j))
412             wcolor_set(rover.window, RVC_LINK, NULL);
413         else if (ishidden)
414             wcolor_set(rover.window, RVC_HIDDEN, NULL);
415         else if (S_ISREG(EMODE(j))) {
416             if (EMODE(j) & (S_IXUSR | S_IXGRP | S_IXOTH))
417                 wcolor_set(rover.window, RVC_EXEC, NULL);
418             else
419                 wcolor_set(rover.window, RVC_REG, NULL);
420         } else if (S_ISDIR(EMODE(j)))
421             wcolor_set(rover.window, RVC_DIR, NULL);
422         else if (S_ISCHR(EMODE(j)))
423             wcolor_set(rover.window, RVC_CHR, NULL);
424         else if (S_ISBLK(EMODE(j)))
425             wcolor_set(rover.window, RVC_BLK, NULL);
426         else if (S_ISFIFO(EMODE(j)))
427             wcolor_set(rover.window, RVC_FIFO, NULL);
428         else if (S_ISSOCK(EMODE(j)))
429             wcolor_set(rover.window, RVC_SOCK, NULL);
430         if (S_ISDIR(EMODE(j))) {
431             mbstowcs(WBUF, ENAME(j), PATH_MAX);
432             if (ISLINK(j))
433                 wcscat(WBUF, L"/");
434         } else {
435             char *suffix, *suffixes = "BKMGTPEZY";
436             off_t human_size = ESIZE(j) * 10;
437             int length = mbstowcs(NULL, ENAME(j), 0);
438             for (suffix = suffixes; human_size >= 10240; suffix++)
439                 human_size = (human_size + 512) / 1024;
440             if (*suffix == 'B')
441                 swprintf(WBUF, PATH_MAX, L"%s%*d %c", ENAME(j),
442                          (int) (COLS - length - 6),
443                          (int) human_size / 10, *suffix);
444             else
445                 swprintf(WBUF, PATH_MAX, L"%s%*d.%d %c", ENAME(j),
446                          (int) (COLS - length - 8),
447                          (int) human_size / 10, (int) human_size % 10, *suffix);
448         }
449         mvwhline(rover.window, i + 1, 1, ' ', COLS - 2);
450         mvwaddnwstr(rover.window, i + 1, 2, WBUF, COLS - 4);
451         if (marking && MARKED(j)) {
452             wcolor_set(rover.window, RVC_MARKS, NULL);
453             mvwaddch(rover.window, i + 1, 1, RVS_MARK);
454         } else
455             mvwaddch(rover.window, i + 1, 1, ' ');
456         if (j == ESEL)
457             wattr_off(rover.window, A_REVERSE, NULL);
458     }
459     for (; i < HEIGHT; i++)
460         mvwhline(rover.window, i + 1, 1, ' ', COLS - 2);
461     if (rover.nfiles > HEIGHT) {
462         int center, height;
463         center = (SCROLL + HEIGHT / 2) * HEIGHT / rover.nfiles;
464         height = (HEIGHT-1) * HEIGHT / rover.nfiles;
465         if (!height) height = 1;
466         wcolor_set(rover.window, RVC_SCROLLBAR, NULL);
467         mvwvline(rover.window, center-height/2+1, COLS-1, RVS_SCROLLBAR, height);
468     }
469     BUF1[0] = FLAGS & SHOW_FILES  ? 'F' : ' ';
470     BUF1[1] = FLAGS & SHOW_DIRS   ? 'D' : ' ';
471     BUF1[2] = FLAGS & SHOW_HIDDEN ? 'H' : ' ';
472     if (!rover.nfiles)
473         strcpy(BUF2, "0/0");
474     else
475         snprintf(BUF2, BUFLEN, "%d/%d", ESEL + 1, rover.nfiles);
476     snprintf(BUF1+3, BUFLEN-3, "%12s", BUF2);
477     color_set(RVC_STATUS, NULL);
478     mvaddstr(LINES - 1, STATUSPOS, BUF1);
479     wrefresh(rover.window);
480 }
481 
482 /* Show a message on the status bar. */
483 static void
484 message(Color color, char *fmt, ...)
485 {
486     int len, pos;
487     va_list args;
488 
489     va_start(args, fmt);
490     vsnprintf(BUF1, MIN(BUFLEN, STATUSPOS), fmt, args);
491     va_end(args);
492     len = strlen(BUF1);
493     pos = (STATUSPOS - len) / 2;
494     attr_on(A_BOLD, NULL);
495     color_set(color, NULL);
496     mvaddstr(LINES - 1, pos, BUF1);
497     color_set(DEFAULT, NULL);
498     attr_off(A_BOLD, NULL);
499 }
500 
501 /* Clear message area, leaving only status info. */
502 static void
503 clear_message()
504 {
505     mvhline(LINES - 1, 0, ' ', STATUSPOS);
506 }
507 
508 /* Comparison used to sort listing entries. */
509 static int
510 rowcmp(const void *a, const void *b)
511 {
512     int isdir1, isdir2, cmpdir;
513     const Row *r1 = a;
514     const Row *r2 = b;
515     isdir1 = S_ISDIR(r1->mode);
516     isdir2 = S_ISDIR(r2->mode);
517     cmpdir = isdir2 - isdir1;
518     return cmpdir ? cmpdir : strcoll(r1->name, r2->name);
519 }
520 
521 /* Get all entries in current working directory. */
522 static int
523 ls(Row **rowsp, uint8_t flags)
524 {
525     DIR *dp;
526     struct dirent *ep;
527     struct stat statbuf;
528     Row *rows;
529     int i, n;
530 
531     if(!(dp = opendir("."))) return -1;
532     n = -2; /* We don't want the entries "." and "..". */
533     while (readdir(dp)) n++;
534     rewinddir(dp);
535     rows = malloc(n * sizeof *rows);
536     i = 0;
537     while ((ep = readdir(dp))) {
538         if (!strcmp(ep->d_name, ".") || !strcmp(ep->d_name, ".."))
539             continue;
540         if (!(flags & SHOW_HIDDEN) && ep->d_name[0] == '.')
541             continue;
542         lstat(ep->d_name, &statbuf);
543         rows[i].islink = S_ISLNK(statbuf.st_mode);
544         stat(ep->d_name, &statbuf);
545         if (S_ISDIR(statbuf.st_mode)) {
546             if (flags & SHOW_DIRS) {
547                 rows[i].name = malloc(strlen(ep->d_name) + 2);
548                 strcpy(rows[i].name, ep->d_name);
549                 if (!rows[i].islink)
550                     strcat(rows[i].name, "/");
551                 rows[i].mode = statbuf.st_mode;
552                 i++;
553             }
554         } else if (flags & SHOW_FILES) {
555             rows[i].name = malloc(strlen(ep->d_name) + 1);
556             strcpy(rows[i].name, ep->d_name);
557             rows[i].size = statbuf.st_size;
558             rows[i].mode = statbuf.st_mode;
559             i++;
560         }
561     }
562     n = i; /* Ignore unused space in array caused by filters. */
563     qsort(rows, n, sizeof (*rows), rowcmp);
564     closedir(dp);
565     *rowsp = rows;
566     return n;
567 }
568 
569 static void
570 free_rows(Row **rowsp, int nfiles)
571 {
572     int i;
573 
574     for (i = 0; i < nfiles; i++)
575         free((*rowsp)[i].name);
576     free(*rowsp);
577     *rowsp = NULL;
578 }
579 
580 /* Change working directory to the path in CWD. */
581 static void
582 cd(int reset)
583 {
584     int i, j;
585 
586     message(CYAN, "Loading...");
587     refresh();
588     if (reset) ESEL = SCROLL = 0;
589     chdir(CWD);
590     if (rover.nfiles)
591         free_rows(&rover.rows, rover.nfiles);
592     rover.nfiles = ls(&rover.rows, FLAGS);
593     if (!strcmp(CWD, rover.marks.dirpath)) {
594         for (i = 0; i < rover.nfiles; i++) {
595             for (j = 0; j < rover.marks.bulk; j++)
596                 if (
597                     rover.marks.entries[j] &&
598                     !strcmp(rover.marks.entries[j], ENAME(i))
599                 )
600                     break;
601             MARKED(i) = j < rover.marks.bulk;
602         }
603     } else
604         for (i = 0; i < rover.nfiles; i++)
605             MARKED(i) = 0;
606     clear_message();
607     update_view();
608 }
609 
610 /* Select a target entry, if it is present. */
611 static void
612 try_to_sel(const char *target)
613 {
614     ESEL = 0;
615     if (!ISDIR(target))
616         while ((ESEL+1) < rover.nfiles && S_ISDIR(EMODE(ESEL)))
617             ESEL++;
618     while ((ESEL+1) < rover.nfiles && strcoll(ENAME(ESEL), target) < 0)
619         ESEL++;
620 }
621 
622 /* Reload CWD, but try to keep selection. */
623 static void
624 reload()
625 {
626     if (rover.nfiles) {
627         strcpy(INPUT, ENAME(ESEL));
628         cd(0);
629         try_to_sel(INPUT);
630         update_view();
631     } else
632         cd(1);
633 }
634 
635 static off_t
636 count_dir(const char *path)
637 {
638     DIR *dp;
639     struct dirent *ep;
640     struct stat statbuf;
641     char subpath[PATH_MAX];
642     off_t total;
643 
644     if(!(dp = opendir(path))) return 0;
645     total = 0;
646     while ((ep = readdir(dp))) {
647         if (!strcmp(ep->d_name, ".") || !strcmp(ep->d_name, ".."))
648             continue;
649         snprintf(subpath, PATH_MAX, "%s%s", path, ep->d_name);
650         lstat(subpath, &statbuf);
651         if (S_ISDIR(statbuf.st_mode)) {
652             strcat(subpath, "/");
653             total += count_dir(subpath);
654         } else
655             total += statbuf.st_size;
656     }
657     closedir(dp);
658     return total;
659 }
660 
661 static off_t
662 count_marked()
663 {
664     int i;
665     char *entry;
666     off_t total;
667     struct stat statbuf;
668 
669     total = 0;
670     chdir(rover.marks.dirpath);
671     for (i = 0; i < rover.marks.bulk; i++) {
672         entry = rover.marks.entries[i];
673         if (entry) {
674             if (ISDIR(entry)) {
675                 total += count_dir(entry);
676             } else {
677                 lstat(entry, &statbuf);
678                 total += statbuf.st_size;
679             }
680         }
681     }
682     chdir(CWD);
683     return total;
684 }
685 
686 /* Recursively process a source directory using CWD as destination root.
687    For each node (i.e. directory), do the following:
688     1. call pre(destination);
689     2. call proc() on every child leaf (i.e. files);
690     3. recurse into every child node;
691     4. call pos(source).
692    E.g. to move directory /src/ (and all its contents) inside /dst/:
693     strcpy(CWD, "/dst/");
694     process_dir(adddir, movfile, deldir, "/src/"); */
695 static int
696 process_dir(PROCESS pre, PROCESS proc, PROCESS pos, const char *path)
697 {
698     int ret;
699     DIR *dp;
700     struct dirent *ep;
701     struct stat statbuf;
702     char subpath[PATH_MAX];
703 
704     ret = 0;
705     if (pre) {
706         char dstpath[PATH_MAX];
707         strcpy(dstpath, CWD);
708         strcat(dstpath, path + strlen(rover.marks.dirpath));
709         ret |= pre(dstpath);
710     }
711     if(!(dp = opendir(path))) return -1;
712     while ((ep = readdir(dp))) {
713         if (!strcmp(ep->d_name, ".") || !strcmp(ep->d_name, ".."))
714             continue;
715         snprintf(subpath, PATH_MAX, "%s%s", path, ep->d_name);
716         lstat(subpath, &statbuf);
717         if (S_ISDIR(statbuf.st_mode)) {
718             strcat(subpath, "/");
719             ret |= process_dir(pre, proc, pos, subpath);
720         } else
721             ret |= proc(subpath);
722     }
723     closedir(dp);
724     if (pos) ret |= pos(path);
725     return ret;
726 }
727 
728 /* Process all marked entries using CWD as destination root.
729    All marked entries that are directories will be recursively processed.
730    See process_dir() for details on the parameters. */
731 static void
732 process_marked(PROCESS pre, PROCESS proc, PROCESS pos,
733                const char *msg_doing, const char *msg_done)
734 {
735     int i, ret;
736     char *entry;
737     char path[PATH_MAX];
738 
739     clear_message();
740     message(CYAN, "%s...", msg_doing);
741     refresh();
742     rover.prog = (Prog) {0, count_marked(), msg_doing};
743     for (i = 0; i < rover.marks.bulk; i++) {
744         entry = rover.marks.entries[i];
745         if (entry) {
746             ret = 0;
747             snprintf(path, PATH_MAX, "%s%s", rover.marks.dirpath, entry);
748             if (ISDIR(entry)) {
749                 if (!strncmp(path, CWD, strlen(path)))
750                     ret = -1;
751                 else
752                     ret = process_dir(pre, proc, pos, path);
753             } else
754                 ret = proc(path);
755             if (!ret) {
756                 del_mark(&rover.marks, entry);
757                 reload();
758             }
759         }
760     }
761     rover.prog.total = 0;
762     reload();
763     if (!rover.marks.nentries)
764         message(GREEN, "%s all marked entries.", msg_done);
765     else
766         message(RED, "Some errors occured while %s.", msg_doing);
767     RV_ALERT();
768 }
769 
770 static void
771 update_progress(off_t delta)
772 {
773     int percent;
774 
775     if (!rover.prog.total) return;
776     rover.prog.partial += delta;
777     percent = (int) (rover.prog.partial * 100 / rover.prog.total);
778     message(CYAN, "%s...%d%%", rover.prog.msg, percent);
779     refresh();
780 }
781 
782 /* Wrappers for file operations. */
783 static int delfile(const char *path) {
784     int ret;
785     struct stat st;
786 
787     ret = lstat(path, &st);
788     if (ret < 0) return ret;
789     update_progress(st.st_size);
790     return unlink(path);
791 }
792 static PROCESS deldir = rmdir;
793 static int addfile(const char *path) {
794     /* Using creat(2) because mknod(2) doesn't seem to be portable. */
795     int ret;
796 
797     ret = creat(path, 0644);
798     if (ret < 0) return ret;
799     return close(ret);
800 }
801 static int cpyfile(const char *srcpath) {
802     int src, dst, ret;
803     size_t size;
804     struct stat st;
805     char buf[BUFSIZ];
806     char dstpath[PATH_MAX];
807 
808     strcpy(dstpath, CWD);
809     strcat(dstpath, srcpath + strlen(rover.marks.dirpath));
810     ret = lstat(srcpath, &st);
811     if (ret < 0) return ret;
812     if (S_ISLNK(st.st_mode)) {
813         ret = readlink(srcpath, BUF1, BUFLEN);
814         if (ret < 0) return ret;
815         BUF1[ret] = '\0';
816         ret = symlink(BUF1, dstpath);
817     } else {
818         ret = src = open(srcpath, O_RDONLY);
819         if (ret < 0) return ret;
820         ret = dst = creat(dstpath, st.st_mode);
821         if (ret < 0) return ret;
822         while ((size = read(src, buf, BUFSIZ)) > 0) {
823             write(dst, buf, size);
824             update_progress(size);
825             sync_signals();
826         }
827         close(src);
828         close(dst);
829         ret = 0;
830     }
831     return ret;
832 }
833 static int adddir(const char *path) {
834     int ret;
835     struct stat st;
836 
837     ret = stat(CWD, &st);
838     if (ret < 0) return ret;
839     return mkdir(path, st.st_mode);
840 }
841 static int movfile(const char *srcpath) {
842     int ret;
843     struct stat st;
844     char dstpath[PATH_MAX];
845 
846     strcpy(dstpath, CWD);
847     strcat(dstpath, srcpath + strlen(rover.marks.dirpath));
848     ret = rename(srcpath, dstpath);
849     if (ret == 0) {
850         ret = lstat(dstpath, &st);
851         if (ret < 0) return ret;
852         update_progress(st.st_size);
853     } else if (errno == EXDEV) {
854         ret = cpyfile(srcpath);
855         if (ret < 0) return ret;
856         ret = unlink(srcpath);
857     }
858     return ret;
859 }
860 
861 static void
862 start_line_edit(const char *init_input)
863 {
864     curs_set(TRUE);
865     strncpy(INPUT, init_input, BUFLEN);
866     rover.edit.left = mbstowcs(rover.edit.buffer, init_input, BUFLEN);
867     rover.edit.right = BUFLEN - 1;
868     rover.edit.buffer[BUFLEN] = L'\0';
869     rover.edit_scroll = 0;
870 }
871 
872 /* Read input and change editing state accordingly. */
873 static EditStat
874 get_line_edit()
875 {
876     wchar_t eraser, killer, wch;
877     int ret, length;
878 
879     ret = rover_get_wch((wint_t *) &wch);
880     erasewchar(&eraser);
881     killwchar(&killer);
882     if (ret == KEY_CODE_YES) {
883         if (wch == KEY_ENTER) {
884             curs_set(FALSE);
885             return CONFIRM;
886         } else if (wch == KEY_LEFT) {
887             if (EDIT_CAN_LEFT(rover.edit)) EDIT_LEFT(rover.edit);
888         } else if (wch == KEY_RIGHT) {
889             if (EDIT_CAN_RIGHT(rover.edit)) EDIT_RIGHT(rover.edit);
890         } else if (wch == KEY_UP) {
891             while (EDIT_CAN_LEFT(rover.edit)) EDIT_LEFT(rover.edit);
892         } else if (wch == KEY_DOWN) {
893             while (EDIT_CAN_RIGHT(rover.edit)) EDIT_RIGHT(rover.edit);
894         } else if (wch == KEY_BACKSPACE) {
895             if (EDIT_CAN_LEFT(rover.edit)) EDIT_BACKSPACE(rover.edit);
896         } else if (wch == KEY_DC) {
897             if (EDIT_CAN_RIGHT(rover.edit)) EDIT_DELETE(rover.edit);
898         }
899     } else {
900         if (wch == L'\r' || wch == L'\n') {
901             curs_set(FALSE);
902             return CONFIRM;
903         } else if (wch == L'\t') {
904             curs_set(FALSE);
905             return CANCEL;
906         } else if (wch == eraser) {
907             if (EDIT_CAN_LEFT(rover.edit)) EDIT_BACKSPACE(rover.edit);
908         } else if (wch == killer) {
909             EDIT_CLEAR(rover.edit);
910             clear_message();
911         } else if (iswprint(wch)) {
912             if (!EDIT_FULL(rover.edit)) EDIT_INSERT(rover.edit, wch);
913         }
914     }
915     /* Encode edit contents in INPUT. */
916     rover.edit.buffer[rover.edit.left] = L'\0';
917     length = wcstombs(INPUT, rover.edit.buffer, BUFLEN);
918     wcstombs(&INPUT[length], &rover.edit.buffer[rover.edit.right+1],
919              BUFLEN-length);
920     return CONTINUE;
921 }
922 
923 /* Update line input on the screen. */
924 static void
925 update_input(const char *prompt, Color color)
926 {
927     int plen, ilen, maxlen;
928 
929     plen = strlen(prompt);
930     ilen = mbstowcs(NULL, INPUT, 0);
931     maxlen = STATUSPOS - plen - 2;
932     if (ilen - rover.edit_scroll < maxlen)
933         rover.edit_scroll = MAX(ilen - maxlen, 0);
934     else if (rover.edit.left > rover.edit_scroll + maxlen - 1)
935         rover.edit_scroll = rover.edit.left - maxlen;
936     else if (rover.edit.left < rover.edit_scroll)
937         rover.edit_scroll = MAX(rover.edit.left - maxlen, 0);
938     color_set(RVC_PROMPT, NULL);
939     mvaddstr(LINES - 1, 0, prompt);
940     color_set(color, NULL);
941     mbstowcs(WBUF, INPUT, COLS);
942     mvaddnwstr(LINES - 1, plen, &WBUF[rover.edit_scroll], maxlen);
943     mvaddch(LINES - 1, plen + MIN(ilen - rover.edit_scroll, maxlen + 1), ' ');
944     color_set(DEFAULT, NULL);
945     if (rover.edit_scroll)
946         mvaddch(LINES - 1, plen - 1, '<');
947     if (ilen > rover.edit_scroll + maxlen)
948         mvaddch(LINES - 1, plen + maxlen, '>');
949     move(LINES - 1, plen + rover.edit.left - rover.edit_scroll);
950 }
951 
952 int
953 main(int argc, char *argv[])
954 {
955     int i, ch;
956     char *program;
957     char *entry;
958     const char *key;
959     DIR *d;
960     EditStat edit_stat;
961     FILE *save_cwd_file = NULL;
962     FILE *save_marks_file = NULL;
963 
964     if (argc >= 2) {
965         if (!strcmp(argv[1], "-v") || !strcmp(argv[1], "--version")) {
966             printf("rover %s\n", RV_VERSION);
967             return 0;
968         } else if (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help")) {
969             printf(
970                 "Usage: rover [OPTIONS] [DIR [DIR [...]]]\n"
971                 "       Browse current directory or the ones specified.\n\n"
972                 "  or:  rover -h|--help\n"
973                 "       Print this help message and exit.\n\n"
974                 "  or:  rover -v|--version\n"
975                 "       Print program version and exit.\n\n"
976                 "See rover(1) for more information.\n"
977                 "Rover homepage: <https://github.com/lecram/rover>.\n"
978             );
979             return 0;
980         } else if (!strcmp(argv[1], "-d") || !strcmp(argv[1], "--save-cwd")) {
981             if (argc > 2) {
982                 save_cwd_file = fopen(argv[2], "w");
983                 argc -= 2; argv += 2;
984             } else {
985                 fprintf(stderr, "error: missing argument to %s\n", argv[1]);
986                 return 1;
987             }
988         } else if (!strcmp(argv[1], "-m") || !strcmp(argv[1], "--save-marks")) {
989             if (argc > 2) {
990                 save_marks_file = fopen(argv[2], "a");
991                 argc -= 2; argv += 2;
992             } else {
993                 fprintf(stderr, "error: missing argument to %s\n", argv[1]);
994                 return 1;
995             }
996         }
997     }
998     init_term();
999     rover.nfiles = 0;
1000     for (i = 0; i < 10; i++) {
1001         rover.tabs[i].esel = rover.tabs[i].scroll = 0;
1002         rover.tabs[i].flags = SHOW_FILES | SHOW_DIRS;
1003     }
1004     strcpy(rover.tabs[0].cwd, getenv("HOME"));
1005     for (i = 1; i < argc && i < 10; i++) {
1006         if ((d = opendir(argv[i]))) {
1007             realpath(argv[i], rover.tabs[i].cwd);
1008             closedir(d);
1009         } else
1010             strcpy(rover.tabs[i].cwd, rover.tabs[0].cwd);
1011     }
1012     getcwd(rover.tabs[i].cwd, PATH_MAX);
1013     for (i++; i < 10; i++)
1014         strcpy(rover.tabs[i].cwd, rover.tabs[i-1].cwd);
1015     for (i = 0; i < 10; i++)
1016         if (rover.tabs[i].cwd[strlen(rover.tabs[i].cwd) - 1] != '/')
1017             strcat(rover.tabs[i].cwd, "/");
1018     rover.tab = 1;
1019     rover.window = subwin(stdscr, LINES - 2, COLS, 1, 0);
1020     init_marks(&rover.marks);
1021     cd(1);
1022     while (1) {
1023         ch = rover_getch();
1024         key = keyname(ch);
1025         clear_message();
1026         if (!strcmp(key, RVK_QUIT)) break;
1027         else if (ch >= '0' && ch <= '9') {
1028             rover.tab = ch - '0';
1029             cd(0);
1030         } else if (!strcmp(key, RVK_HELP)) {
1031             spawn((char *[]) {"man", "rover", NULL});
1032         } else if (!strcmp(key, RVK_DOWN)) {
1033             if (!rover.nfiles) continue;
1034             ESEL = MIN(ESEL + 1, rover.nfiles - 1);
1035             update_view();
1036         } else if (!strcmp(key, RVK_UP)) {
1037             if (!rover.nfiles) continue;
1038             ESEL = MAX(ESEL - 1, 0);
1039             update_view();
1040         } else if (!strcmp(key, RVK_JUMP_DOWN)) {
1041             if (!rover.nfiles) continue;
1042             ESEL = MIN(ESEL + RV_JUMP, rover.nfiles - 1);
1043             if (rover.nfiles > HEIGHT)
1044                 SCROLL = MIN(SCROLL + RV_JUMP, rover.nfiles - HEIGHT);
1045             update_view();
1046         } else if (!strcmp(key, RVK_JUMP_UP)) {
1047             if (!rover.nfiles) continue;
1048             ESEL = MAX(ESEL - RV_JUMP, 0);
1049             SCROLL = MAX(SCROLL - RV_JUMP, 0);
1050             update_view();
1051         } else if (!strcmp(key, RVK_JUMP_TOP)) {
1052             if (!rover.nfiles) continue;
1053             ESEL = 0;
1054             update_view();
1055         } else if (!strcmp(key, RVK_JUMP_BOTTOM)) {
1056             if (!rover.nfiles) continue;
1057             ESEL = rover.nfiles - 1;
1058             update_view();
1059         } else if (!strcmp(key, RVK_CD_DOWN)) {
1060             if (!rover.nfiles || !S_ISDIR(EMODE(ESEL))) continue;
1061             if (chdir(ENAME(ESEL)) == -1) {
1062                 message(RED, "Cannot access \"%s\".", ENAME(ESEL));
1063                 continue;
1064             }
1065             strcat(CWD, ENAME(ESEL));
1066             cd(1);
1067         } else if (!strcmp(key, RVK_CD_UP)) {
1068             char *dirname, first;
1069             if (!strcmp(CWD, "/")) continue;
1070             CWD[strlen(CWD) - 1] = '\0';
1071             dirname = strrchr(CWD, '/') + 1;
1072             first = dirname[0];
1073             dirname[0] = '\0';
1074             cd(1);
1075             dirname[0] = first;
1076             dirname[strlen(dirname)] = '/';
1077             try_to_sel(dirname);
1078             dirname[0] = '\0';
1079             if (rover.nfiles > HEIGHT)
1080                 SCROLL = ESEL - HEIGHT / 2;
1081             update_view();
1082         } else if (!strcmp(key, RVK_HOME)) {
1083             strcpy(CWD, getenv("HOME"));
1084             if (CWD[strlen(CWD) - 1] != '/')
1085                 strcat(CWD, "/");
1086             cd(1);
1087         } else if (!strcmp(key, RVK_TARGET)) {
1088             char *bname, first;
1089             int is_dir = S_ISDIR(EMODE(ESEL));
1090             ssize_t len = readlink(ENAME(ESEL), BUF1, BUFLEN-1);
1091             if (len == -1) continue;
1092             BUF1[len] = '\0';
1093             if (access(BUF1, F_OK) == -1) {
1094                 char *msg;
1095                 switch (errno) {
1096                 case EACCES:
1097                     msg = "Cannot access \"%s\".";
1098                     break;
1099                 case ENOENT:
1100                     msg = "\"%s\" does not exist.";
1101                     break;
1102                 default:
1103                     msg = "Cannot navigate to \"%s\".";
1104                 }
1105                 strcpy(BUF2, BUF1); /* message() uses BUF1. */
1106                 message(RED, msg, BUF2);
1107                 continue;
1108             }
1109             realpath(BUF1, CWD);
1110             len = strlen(CWD);
1111             if (CWD[len - 1] == '/')
1112                 CWD[len - 1] = '\0';
1113             bname = strrchr(CWD, '/') + 1;
1114             first = *bname;
1115             *bname = '\0';
1116             cd(1);
1117             *bname = first;
1118             if (is_dir)
1119                 strcat(CWD, "/");
1120             try_to_sel(bname);
1121             *bname = '\0';
1122             update_view();
1123         } else if (!strcmp(key, RVK_REFRESH)) {
1124             reload();
1125         } else if (!strcmp(key, RVK_SHELL)) {
1126             program = getenv("SHELL");
1127             if (program) {
1128 #ifdef RV_SHELL
1129                 spawn((char *[]) {RV_SHELL, "-c", program, NULL});
1130 #else
1131                 spawn((char *[]) {program, NULL});
1132 #endif
1133                 reload();
1134             }
1135         } else if (!strcmp(key, RVK_VIEW)) {
1136             if (!rover.nfiles || S_ISDIR(EMODE(ESEL))) continue;
1137             if (open_with_env("PAGER", ENAME(ESEL)))
1138                 cd(0);
1139         } else if (!strcmp(key, RVK_EDIT)) {
1140             if (!rover.nfiles || S_ISDIR(EMODE(ESEL))) continue;
1141             if (open_with_env("EDITOR", ENAME(ESEL)))
1142                 cd(0);
1143         } else if (!strcmp(key, RVK_OPEN)) {
1144             if (!rover.nfiles || S_ISDIR(EMODE(ESEL))) continue;
1145             if (open_with_env("ROVER_OPEN", ENAME(ESEL)))
1146                 cd(0);
1147         } else if (!strcmp(key, RVK_SEARCH)) {
1148             int oldsel, oldscroll, length;
1149             if (!rover.nfiles) continue;
1150             oldsel = ESEL;
1151             oldscroll = SCROLL;
1152             start_line_edit("");
1153             update_input(RVP_SEARCH, RED);
1154             while ((edit_stat = get_line_edit()) == CONTINUE) {
1155                 int sel;
1156                 Color color = RED;
1157                 length = strlen(INPUT);
1158                 if (length) {
1159                     for (sel = 0; sel < rover.nfiles; sel++)
1160                         if (!strncmp(ENAME(sel), INPUT, length))
1161                             break;
1162                     if (sel < rover.nfiles) {
1163                         color = GREEN;
1164                         ESEL = sel;
1165                         if (rover.nfiles > HEIGHT) {
1166                             if (sel < 3)
1167                                 SCROLL = 0;
1168                             else if (sel - 3 > rover.nfiles - HEIGHT)
1169                                 SCROLL = rover.nfiles - HEIGHT;
1170                             else
1171                                 SCROLL = sel - 3;
1172                         }
1173                     }
1174                 } else {
1175                     ESEL = oldsel;
1176                     SCROLL = oldscroll;
1177                 }
1178                 update_view();
1179                 update_input(RVP_SEARCH, color);
1180             }
1181             if (edit_stat == CANCEL) {
1182                 ESEL = oldsel;
1183                 SCROLL = oldscroll;
1184             }
1185             clear_message();
1186             update_view();
1187         } else if (!strcmp(key, RVK_TG_FILES)) {
1188             FLAGS ^= SHOW_FILES;
1189             reload();
1190         } else if (!strcmp(key, RVK_TG_DIRS)) {
1191             FLAGS ^= SHOW_DIRS;
1192             reload();
1193         } else if (!strcmp(key, RVK_TG_HIDDEN)) {
1194             FLAGS ^= SHOW_HIDDEN;
1195             reload();
1196         } else if (!strcmp(key, RVK_NEW_FILE)) {
1197             int ok = 0;
1198             start_line_edit("");
1199             update_input(RVP_NEW_FILE, RED);
1200             while ((edit_stat = get_line_edit()) == CONTINUE) {
1201                 int length = strlen(INPUT);
1202                 ok = length;
1203                 for (i = 0; i < rover.nfiles; i++) {
1204                     if (
1205                         !strncmp(ENAME(i), INPUT, length) &&
1206                         (!strcmp(ENAME(i) + length, "") ||
1207                          !strcmp(ENAME(i) + length, "/"))
1208                     ) {
1209                         ok = 0;
1210                         break;
1211                     }
1212                 }
1213                 update_input(RVP_NEW_FILE, ok ? GREEN : RED);
1214             }
1215             clear_message();
1216             if (edit_stat == CONFIRM) {
1217                 if (ok) {
1218                     if (addfile(INPUT) == 0) {
1219                         cd(1);
1220                         try_to_sel(INPUT);
1221                         update_view();
1222                     } else
1223                         message(RED, "Could not create \"%s\".", INPUT);
1224                 } else
1225                     message(RED, "\"%s\" already exists.", INPUT);
1226             }
1227         } else if (!strcmp(key, RVK_NEW_DIR)) {
1228             int ok = 0;
1229             start_line_edit("");
1230             update_input(RVP_NEW_DIR, RED);
1231             while ((edit_stat = get_line_edit()) == CONTINUE) {
1232                 int length = strlen(INPUT);
1233                 ok = length;
1234                 for (i = 0; i < rover.nfiles; i++) {
1235                     if (
1236                         !strncmp(ENAME(i), INPUT, length) &&
1237                         (!strcmp(ENAME(i) + length, "") ||
1238                          !strcmp(ENAME(i) + length, "/"))
1239                     ) {
1240                         ok = 0;
1241                         break;
1242                     }
1243                 }
1244                 update_input(RVP_NEW_DIR, ok ? GREEN : RED);
1245             }
1246             clear_message();
1247             if (edit_stat == CONFIRM) {
1248                 if (ok) {
1249                     if (adddir(INPUT) == 0) {
1250                         cd(1);
1251                         strcat(INPUT, "/");
1252                         try_to_sel(INPUT);
1253                         update_view();
1254                     } else
1255                         message(RED, "Could not create \"%s/\".", INPUT);
1256                 } else
1257                     message(RED, "\"%s\" already exists.", INPUT);
1258             }
1259         } else if (!strcmp(key, RVK_RENAME)) {
1260             int ok = 0;
1261             char *last;
1262             int isdir;
1263             strcpy(INPUT, ENAME(ESEL));
1264             last = INPUT + strlen(INPUT) - 1;
1265             if ((isdir = *last == '/'))
1266                 *last = '\0';
1267             start_line_edit(INPUT);
1268             update_input(RVP_RENAME, RED);
1269             while ((edit_stat = get_line_edit()) == CONTINUE) {
1270                 int length = strlen(INPUT);
1271                 ok = length;
1272                 for (i = 0; i < rover.nfiles; i++)
1273                     if (
1274                         !strncmp(ENAME(i), INPUT, length) &&
1275                         (!strcmp(ENAME(i) + length, "") ||
1276                          !strcmp(ENAME(i) + length, "/"))
1277                     ) {
1278                         ok = 0;
1279                         break;
1280                     }
1281                 update_input(RVP_RENAME, ok ? GREEN : RED);
1282             }
1283             clear_message();
1284             if (edit_stat == CONFIRM) {
1285                 if (isdir)
1286                     strcat(INPUT, "/");
1287                 if (ok) {
1288                     if (!rename(ENAME(ESEL), INPUT) && MARKED(ESEL)) {
1289                         del_mark(&rover.marks, ENAME(ESEL));
1290                         add_mark(&rover.marks, CWD, INPUT);
1291                     }
1292                     cd(1);
1293                     try_to_sel(INPUT);
1294                     update_view();
1295                 } else
1296                     message(RED, "\"%s\" already exists.", INPUT);
1297             }
1298         } else if (!strcmp(key, RVK_DELETE)) {
1299             if (rover.nfiles) {
1300                 message(YELLOW, "Delete \"%s\"? (Y/n)", ENAME(ESEL));
1301                 if (rover_getch() == 'Y') {
1302                     const char *name = ENAME(ESEL);
1303                     int ret = ISDIR(ENAME(ESEL)) ? deldir(name) : delfile(name);
1304                     reload();
1305                     if (ret)
1306                         message(RED, "Could not delete \"%s\".", ENAME(ESEL));
1307                 } else
1308                     clear_message();
1309             } else
1310                   message(RED, "No entry selected for deletion.");
1311         } else if (!strcmp(key, RVK_TG_MARK)) {
1312             if (MARKED(ESEL))
1313                 del_mark(&rover.marks, ENAME(ESEL));
1314             else
1315                 add_mark(&rover.marks, CWD, ENAME(ESEL));
1316             MARKED(ESEL) = !MARKED(ESEL);
1317             ESEL = (ESEL + 1) % rover.nfiles;
1318             update_view();
1319         } else if (!strcmp(key, RVK_INVMARK)) {
1320             for (i = 0; i < rover.nfiles; i++) {
1321                 if (MARKED(i))
1322                     del_mark(&rover.marks, ENAME(i));
1323                 else
1324                     add_mark(&rover.marks, CWD, ENAME(i));
1325                 MARKED(i) = !MARKED(i);
1326             }
1327             update_view();
1328         } else if (!strcmp(key, RVK_MARKALL)) {
1329             for (i = 0; i < rover.nfiles; i++)
1330                 if (!MARKED(i)) {
1331                     add_mark(&rover.marks, CWD, ENAME(i));
1332                     MARKED(i) = 1;
1333                 }
1334             update_view();
1335         } else if (!strcmp(key, RVK_MARK_DELETE)) {
1336             if (rover.marks.nentries) {
1337                 message(YELLOW, "Delete all marked entries? (Y/n)");
1338                 if (rover_getch() == 'Y')
1339                     process_marked(NULL, delfile, deldir, "Deleting", "Deleted");
1340                 else
1341                     clear_message();
1342             } else
1343                 message(RED, "No entries marked for deletion.");
1344         } else if (!strcmp(key, RVK_MARK_COPY)) {
1345             if (rover.marks.nentries)
1346                 process_marked(adddir, cpyfile, NULL, "Copying", "Copied");
1347             else
1348                 message(RED, "No entries marked for copying.");
1349         } else if (!strcmp(key, RVK_MARK_MOVE)) {
1350             if (rover.marks.nentries)
1351                 process_marked(adddir, movfile, deldir, "Moving", "Moved");
1352             else
1353                 message(RED, "No entries marked for moving.");
1354         }
1355     }
1356     if (rover.nfiles)
1357         free_rows(&rover.rows, rover.nfiles);
1358     delwin(rover.window);
1359     if (save_cwd_file != NULL) {
1360         fputs(CWD, save_cwd_file);
1361         fclose(save_cwd_file);
1362     }
1363     if (save_marks_file != NULL) {
1364         for (i = 0; i < rover.marks.bulk; i++) {
1365             entry = rover.marks.entries[i];
1366             if (entry)
1367                 fprintf(save_marks_file, "%s%s\n", rover.marks.dirpath, entry);
1368         }
1369         fclose(save_marks_file);
1370     }
1371     free_marks(&rover.marks);
1372     return 0;
1373 }