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authorGravatar Arun Prakash Jana <engineerarun@gmail.com>2018-11-10 13:39:45 +0530
committerGravatar Arun Prakash Jana <engineerarun@gmail.com>2018-11-10 13:42:18 +0530
commita4eb852dba1cbe89b21f75d514a18d7bafb95805 (patch)
tree0b55624efa0629e7b3b447eb77194ddf55c5119f /src/nnn.c
parent497911e999d34fbb34a6abdb045afd3e6a6c2d1f (diff)
downloadnnn-a4eb852dba1cbe89b21f75d514a18d7bafb95805.tar.gz
Re-structure files
Diffstat (limited to 'src/nnn.c')
-rw-r--r--src/nnn.c3536
1 files changed, 3536 insertions, 0 deletions
diff --git a/src/nnn.c b/src/nnn.c
new file mode 100644
index 0000000..575f91d
--- /dev/null
+++ b/src/nnn.c
@@ -0,0 +1,3536 @@
+/*
+ * BSD 2-Clause License
+ *
+ * Copyright (c) 2014-2016, Lazaros Koromilas <lostd@2f30.org>
+ * Copyright (c) 2014-2016, Dimitris Papastamos <sin@2f30.org>
+ * Copyright (c) 2016-2018, Arun Prakash Jana <engineerarun@gmail.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef __linux__
+#ifdef __i386__
+#define _FILE_OFFSET_BITS 64 /* Support large files on 32-bit Linux */
+#endif
+#include <sys/inotify.h>
+#define LINUX_INOTIFY
+#if !defined(__GLIBC__)
+#include <sys/types.h>
+#endif
+#endif
+#include <sys/resource.h>
+#include <sys/stat.h>
+#include <sys/statvfs.h>
+#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
+#include <sys/types.h>
+#include <sys/event.h>
+#include <sys/time.h>
+#define BSD_KQUEUE
+#else
+#include <sys/sysmacros.h>
+#endif
+#include <sys/wait.h>
+
+#include <ctype.h>
+#ifdef __linux__ /* Fix failure due to mvaddnwstr() */
+#ifndef NCURSES_WIDECHAR
+#define NCURSES_WIDECHAR 1
+#endif
+#elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
+#ifndef _XOPEN_SOURCE_EXTENDED
+#define _XOPEN_SOURCE_EXTENDED
+#endif
+#endif
+#ifndef __USE_XOPEN /* Fix failure due to wcswidth(), ncursesw/curses.h includes whcar.h on Ubuntu 14.04 */
+#define __USE_XOPEN
+#endif
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <grp.h>
+#include <libgen.h>
+#include <limits.h>
+#ifdef __gnu_hurd__
+#define PATH_MAX 4096
+#endif
+#include <locale.h>
+#include <pwd.h>
+#include <regex.h>
+#include <signal.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+#include <time.h>
+#include <unistd.h>
+#ifndef __USE_XOPEN_EXTENDED
+#define __USE_XOPEN_EXTENDED 1
+#endif
+#include <ftw.h>
+#include <wchar.h>
+
+#include "nnn.h"
+
+#ifdef DEBUGMODE
+static int DEBUG_FD;
+
+static int
+xprintf(int fd, const char *fmt, ...)
+{
+ char buf[BUFSIZ];
+ int r;
+ va_list ap;
+
+ va_start(ap, fmt);
+ r = vsnprintf(buf, sizeof(buf), fmt, ap);
+ if (r > 0)
+ r = write(fd, buf, r);
+ va_end(ap);
+ return r;
+}
+
+static int
+enabledbg()
+{
+ FILE *fp = fopen("/tmp/nnn_debug", "w");
+
+ if (!fp) {
+ fprintf(stderr, "debug: open failed! (1)\n");
+
+ fp = fopen("./nnn_debug", "w");
+ if (!fp) {
+ fprintf(stderr, "debug: open failed! (2)\n");
+ return -1;
+ }
+ }
+
+ DEBUG_FD = fileno(fp);
+ if (DEBUG_FD == -1) {
+ fprintf(stderr, "debug: open fd failed!\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+static void
+disabledbg()
+{
+ close(DEBUG_FD);
+}
+
+#define DPRINTF_D(x) xprintf(DEBUG_FD, #x "=%d\n", x)
+#define DPRINTF_U(x) xprintf(DEBUG_FD, #x "=%u\n", x)
+#define DPRINTF_S(x) xprintf(DEBUG_FD, #x "=%s\n", x)
+#define DPRINTF_P(x) xprintf(DEBUG_FD, #x "=%p\n", x)
+#else
+#define DPRINTF_D(x)
+#define DPRINTF_U(x)
+#define DPRINTF_S(x)
+#define DPRINTF_P(x)
+#endif /* DEBUGMODE */
+
+/* Macro definitions */
+#define VERSION "2.0"
+#define GENERAL_INFO "License: BSD 2-Clause\nWebpage: https://github.com/jarun/nnn"
+
+#define LEN(x) (sizeof(x) / sizeof(*(x)))
+#undef MIN
+#define MIN(x, y) ((x) < (y) ? (x) : (y))
+#define ISODD(x) ((x) & 1)
+#define TOUPPER(ch) \
+ (((ch) >= 'a' && (ch) <= 'z') ? ((ch) - 'a' + 'A') : (ch))
+#define MAX_CMD_LEN 5120
+#define CURSR " > "
+#define EMPTY " "
+#define CURSYM(flag) ((flag) ? CURSR : EMPTY)
+#define FILTER '/'
+#define REGEX_MAX 128
+#define BM_MAX 10
+#define ENTRY_INCR 64 /* Number of dir 'entry' structures to allocate per shot */
+#define NAMEBUF_INCR 0x1000 /* 64 dir entries at a time, avg. 64 chars per filename = 64*64B = 4KB */
+#define DESCRIPTOR_LEN 32
+#define _ALIGNMENT 0x10
+#define _ALIGNMENT_MASK 0xF
+#define SYMLINK_TO_DIR 0x1
+#define MAX_HOME_LEN 64
+#define MAX_CTX 4
+#define DOT_FILTER_LEN 8
+
+/* Macros to define process spawn behaviour as flags */
+#define F_NONE 0x00 /* no flag set */
+#define F_MARKER 0x01 /* draw marker to indicate nnn spawned (e.g. shell) */
+#define F_NOWAIT 0x02 /* don't wait for child process (e.g. file manager) */
+#define F_NOTRACE 0x04 /* suppress stdout and strerr (no traces) */
+#define F_SIGINT 0x08 /* restore default SIGINT handler */
+#define F_NORMAL 0x80 /* spawn child process in non-curses regular CLI mode */
+
+/* CRC8 macros */
+#define WIDTH (sizeof(unsigned char) << 3)
+#define TOPBIT (1 << (WIDTH - 1))
+#define POLYNOMIAL 0xD8 /* 11011 followed by 0's */
+#define CRC8_TABLE_LEN 256
+
+/* Volume info */
+#define FREE 0
+#define CAPACITY 1
+
+/* Function macros */
+#define exitcurses() endwin()
+#define clearprompt() printmsg("")
+#define printwarn() printmsg(strerror(errno))
+#define istopdir(path) ((path)[1] == '\0' && (path)[0] == '/')
+#define copycurname() xstrlcpy(lastname, dents[cur].name, NAME_MAX + 1)
+#define settimeout() timeout(1000)
+#define cleartimeout() timeout(-1)
+#define errexit() printerr(__LINE__)
+#define setdirwatch() (cfg.filtermode ? (presel = FILTER) : (dir_changed = TRUE))
+
+#ifdef LINUX_INOTIFY
+#define EVENT_SIZE (sizeof(struct inotify_event))
+#define EVENT_BUF_LEN (1024 * (EVENT_SIZE + 16))
+#elif defined(BSD_KQUEUE)
+#define NUM_EVENT_SLOTS 1
+#define NUM_EVENT_FDS 1
+#endif
+
+/* TYPE DEFINITIONS */
+typedef unsigned long ulong;
+typedef unsigned int uint;
+typedef unsigned char uchar;
+typedef unsigned short ushort;
+
+/* STRUCTURES */
+
+/* Directory entry */
+typedef struct entry {
+ char *name;
+ time_t t;
+ off_t size;
+ blkcnt_t blocks; /* number of 512B blocks allocated */
+ mode_t mode;
+ ushort nlen; /* Length of file name; can be uchar (< NAME_MAX + 1) */
+ uchar flags; /* Flags specific to the file */
+} __attribute__ ((packed, aligned(_ALIGNMENT))) *pEntry;
+
+/* Bookmark */
+typedef struct {
+ char *key;
+ char *loc;
+} bm;
+
+/* Settings */
+typedef struct {
+ uint filtermode : 1; /* Set to enter filter mode */
+ uint mtimeorder : 1; /* Set to sort by time modified */
+ uint sizeorder : 1; /* Set to sort by file size */
+ uint apparentsz : 1; /* Set to sort by apparent size (disk usage) */
+ uint blkorder : 1; /* Set to sort by blocks used (disk usage) */
+ uint showhidden : 1; /* Set to show hidden files */
+ uint copymode : 1; /* Set when copying files */
+ uint autoselect : 1; /* Auto-select dir in nav-as-you-type mode */
+ uint showdetail : 1; /* Clear to show fewer file info */
+ uint showcolor : 1; /* Set to show dirs in blue */
+ uint dircolor : 1; /* Current status of dir color */
+ uint metaviewer : 1; /* Index of metadata viewer in utils[] */
+ uint quote : 1; /* Copy paths within quotes */
+ uint color : 3; /* Color code for directories */
+ uint ctxactive : 1; /* Context active or not */
+ uint reserved : 12;
+ /* The following settings are global */
+ uint curctx : 2; /* Current context number */
+ uint char_key : 1; /* All keys are single character long */
+} settings;
+
+/* Contexts or workspaces */
+typedef struct {
+ char c_path[PATH_MAX]; /* Current dir */
+ char c_init[PATH_MAX]; /* Initial dir */
+ char c_last[PATH_MAX]; /* Last visited dir */
+ char c_name[NAME_MAX + 1]; /* Current file name */
+ settings c_cfg; /* Current configuration */
+ char c_fltr[DOT_FILTER_LEN]; /* Hidden filter */
+} context;
+
+/* GLOBALS */
+
+/* Configuration, contexts */
+static settings cfg = {0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 4, 1, 0, 0, 1};
+static context g_ctx[MAX_CTX] __attribute__ ((aligned));
+
+static struct entry *dents;
+static char *pnamebuf, *pcopybuf;
+static int ndents, cur, total_dents = ENTRY_INCR;
+static uint idle;
+static uint idletimeout, copybufpos, copybuflen;
+static char *copier;
+static char *editor;
+static blkcnt_t ent_blocks;
+static blkcnt_t dir_blocks;
+static ulong num_files;
+static uint open_max;
+static bm bookmark[BM_MAX];
+static size_t g_tmpfplen; /* path to tmp files for copy without X, keybind help and file stats */
+static uchar g_crc;
+static uchar BLK_SHIFT = 9;
+
+/* CRC data */
+static uchar crc8table[CRC8_TABLE_LEN] __attribute__ ((aligned));
+
+/* For use in functions which are isolated and don't return the buffer */
+static char g_buf[MAX_CMD_LEN] __attribute__ ((aligned));
+
+/* Buffer for file path copy file */
+static char g_cppath[MAX_HOME_LEN] __attribute__ ((aligned));
+
+/* Buffer to store tmp file path */
+static char g_tmpfpath[MAX_HOME_LEN] __attribute__ ((aligned));
+
+#ifdef LINUX_INOTIFY
+static int inotify_fd, inotify_wd = -1;
+static uint INOTIFY_MASK = IN_ATTRIB | IN_CREATE | IN_DELETE | IN_DELETE_SELF | IN_MODIFY | IN_MOVE_SELF | IN_MOVED_FROM | IN_MOVED_TO;
+#elif defined(BSD_KQUEUE)
+static int kq, event_fd = -1;
+static struct kevent events_to_monitor[NUM_EVENT_FDS];
+static uint KQUEUE_FFLAGS = NOTE_DELETE | NOTE_EXTEND | NOTE_LINK | NOTE_RENAME | NOTE_REVOKE | NOTE_WRITE;
+static struct timespec gtimeout;
+#endif
+
+/* Macros for utilities */
+#define MEDIAINFO 0
+#define EXIFTOOL 1
+#define OPENER 2
+#define ATOOL 3
+#define APACK 4
+#define VIDIR 5
+#define LOCKER 6
+#define UNKNOWN 7
+
+/* Utilities to open files, run actions */
+static char * const utils[] = {
+ "mediainfo",
+ "exiftool",
+#ifdef __APPLE__
+ "/usr/bin/open",
+#elif defined __CYGWIN__
+ "cygstart",
+#else
+ "xdg-open",
+#endif
+ "atool",
+ "apack",
+ "vidir",
+#ifdef __APPLE__
+ "bashlock",
+#elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
+ "lock",
+#else
+ "vlock",
+#endif
+ "UNKNOWN"
+};
+
+/* Common strings */
+#define STR_NFTWFAIL_ID 0
+#define STR_NOHOME_ID 1
+#define STR_INPUT_ID 2
+#define STR_INVBM_ID 3
+#define STR_COPY_ID 4
+#define STR_DATE_ID 5
+
+static const char messages[][16] = {
+ "nftw failed",
+ "HOME not set",
+ "no traversal",
+ "invalid key",
+ "copy not set",
+ "%F %T %z",
+};
+
+/* Forward declarations */
+static void redraw(char *path);
+static char *get_output(char *buf, size_t bytes, char *file, char *arg1, char *arg2, int pager);
+int (*nftw_fn) (const char *fpath, const struct stat *sb, int typeflag, struct FTW *ftwbuf);
+
+/* Functions */
+
+/*
+ * CRC8 source:
+ * https://barrgroup.com/Embedded-Systems/How-To/CRC-Calculation-C-Code
+ */
+static void crc8init()
+{
+ uchar remainder, bit;
+ uint dividend;
+
+ /* Compute the remainder of each possible dividend */
+ for (dividend = 0; dividend < CRC8_TABLE_LEN; ++dividend) {
+ /* Start with the dividend followed by zeros */
+ remainder = dividend << (WIDTH - 8);
+
+ /* Perform modulo-2 division, a bit at a time */
+ for (bit = 8; bit > 0; --bit) {
+ /* Try to divide the current data bit */
+ if (remainder & TOPBIT)
+ remainder = (remainder << 1) ^ POLYNOMIAL;
+ else
+ remainder = (remainder << 1);
+ }
+
+ /* Store the result into the table */
+ crc8table[dividend] = remainder;
+ }
+}
+
+static uchar crc8fast(uchar const message[], size_t n)
+{
+ static uchar data, remainder;
+ static size_t byte;
+
+ /* Divide the message by the polynomial, a byte at a time */
+ for (remainder = byte = 0; byte < n; ++byte) {
+ data = message[byte] ^ (remainder >> (WIDTH - 8));
+ remainder = crc8table[data] ^ (remainder << 8);
+ }
+
+ /* The final remainder is the CRC */
+ return remainder;
+}
+
+/* Messages show up at the bottom */
+static void printmsg(const char *msg)
+{
+ mvprintw(LINES - 1, 0, "%s\n", msg);
+}
+
+/* Kill curses and display error before exiting */
+static void printerr(int linenum)
+{
+ exitcurses();
+ fprintf(stderr, "line %d: (%d) %s\n", linenum, errno, strerror(errno));
+ if (g_cppath[0])
+ unlink(g_cppath);
+ exit(1);
+}
+
+/* Print prompt on the last line */
+static void printprompt(char *str)
+{
+ clearprompt();
+ printw(str);
+}
+
+/* Increase the limit on open file descriptors, if possible */
+static rlim_t max_openfds()
+{
+ struct rlimit rl;
+ rlim_t limit = getrlimit(RLIMIT_NOFILE, &rl);
+
+ if (limit != 0)
+ return 32;
+
+ limit = rl.rlim_cur;
+ rl.rlim_cur = rl.rlim_max;
+
+ /* Return ~75% of max possible */
+ if (setrlimit(RLIMIT_NOFILE, &rl) == 0) {
+ limit = rl.rlim_max - (rl.rlim_max >> 2);
+ /*
+ * 20K is arbitrary. If the limit is set to max possible
+ * value, the memory usage increases to more than double.
+ */
+ return limit > 20480 ? 20480 : limit;
+ }
+
+ return limit;
+}
+
+/*
+ * Wrapper to realloc()
+ * Frees current memory if realloc() fails and returns NULL.
+ *
+ * As per the docs, the *alloc() family is supposed to be memory aligned:
+ * Ubuntu: http://manpages.ubuntu.com/manpages/xenial/man3/malloc.3.html
+ * OS X: https://developer.apple.com/legacy/library/documentation/Darwin/Reference/ManPages/man3/malloc.3.html
+ */
+static void *xrealloc(void *pcur, size_t len)
+{
+ static void *pmem;
+
+ pmem = realloc(pcur, len);
+ if (!pmem)
+ free(pcur);
+
+ return pmem;
+}
+
+/*
+ * Just a safe strncpy(3)
+ * Always null ('\0') terminates if both src and dest are valid pointers.
+ * Returns the number of bytes copied including terminating null byte.
+ */
+static size_t xstrlcpy(char *dest, const char *src, size_t n)
+{
+ static ulong *s, *d;
+ static size_t len, blocks;
+ static const uint lsize = sizeof(ulong);
+ static const uint _WSHIFT = (sizeof(ulong) == 8) ? 3 : 2;
+
+ if (!src || !dest || !n)
+ return 0;
+
+ len = strlen(src) + 1;
+ if (n > len)
+ n = len;
+ else if (len > n)
+ /* Save total number of bytes to copy in len */
+ len = n;
+
+ /*
+ * To enable -O3 ensure src and dest are 16-byte aligned
+ * More info: http://www.felixcloutier.com/x86/MOVDQA.html
+ */
+ if ((n >= lsize) && (((ulong)src & _ALIGNMENT_MASK) == 0 && ((ulong)dest & _ALIGNMENT_MASK) == 0)) {
+ s = (ulong *)src;
+ d = (ulong *)dest;
+ blocks = n >> _WSHIFT;
+ n &= lsize - 1;
+
+ while (blocks) {
+ *d = *s;
+ ++d, ++s;
+ --blocks;
+ }
+
+ if (!n) {
+ dest = (char *)d;
+ *--dest = '\0';
+ return len;
+ }
+
+ src = (char *)s;
+ dest = (char *)d;
+ }
+
+ while (--n && (*dest = *src))
+ ++dest, ++src;
+
+ if (!n)
+ *dest = '\0';
+
+ return len;
+}
+
+/*
+ * The poor man's implementation of memrchr(3).
+ * We are only looking for '/' in this program.
+ * And we are NOT expecting a '/' at the end.
+ * Ideally 0 < n <= strlen(s).
+ */
+static void *xmemrchr(uchar *s, uchar ch, size_t n)
+{
+ static uchar *ptr;
+
+ if (!s || !n)
+ return NULL;
+
+ ptr = s + n;
+
+ do {
+ --ptr;
+
+ if (*ptr == ch)
+ return ptr;
+ } while (s != ptr);
+
+ return NULL;
+}
+
+/*
+ * The following dirname(3) implementation does not
+ * modify the input. We use a copy of the original.
+ *
+ * Modified from the glibc (GNU LGPL) version.
+ */
+static char *xdirname(const char *path)
+{
+ static char * const buf = g_buf, *last_slash, *runp;
+
+ xstrlcpy(buf, path, PATH_MAX);
+
+ /* Find last '/'. */
+ last_slash = xmemrchr((uchar *)buf, '/', strlen(buf));
+
+ if (last_slash != NULL && last_slash != buf && last_slash[1] == '\0') {
+ /* Determine whether all remaining characters are slashes. */
+ for (runp = last_slash; runp != buf; --runp)
+ if (runp[-1] != '/')
+ break;
+
+ /* The '/' is the last character, we have to look further. */
+ if (runp != buf)
+ last_slash = xmemrchr((uchar *)buf, '/', runp - buf);
+ }
+
+ if (last_slash != NULL) {
+ /* Determine whether all remaining characters are slashes. */
+ for (runp = last_slash; runp != buf; --runp)
+ if (runp[-1] != '/')
+ break;
+
+ /* Terminate the buffer. */
+ if (runp == buf) {
+ /* The last slash is the first character in the string.
+ * We have to return "/". As a special case we have to
+ * return "//" if there are exactly two slashes at the
+ * beginning of the string. See XBD 4.10 Path Name
+ * Resolution for more information.
+ */
+ if (last_slash == buf + 1)
+ ++last_slash;
+ else
+ last_slash = buf + 1;
+ } else
+ last_slash = runp;
+
+ last_slash[0] = '\0';
+ } else {
+ /* This assignment is ill-designed but the XPG specs require to
+ * return a string containing "." in any case no directory part
+ * is found and so a static and constant string is required.
+ */
+ buf[0] = '.';
+ buf[1] = '\0';
+ }
+
+ return buf;
+}
+
+static char *xbasename(char *path)
+{
+ static char *base;
+
+ base = xmemrchr((uchar *)path, '/', strlen(path));
+ return base ? base + 1 : path;
+}
+
+/* Writes buflen char(s) from buf to a file */
+static void writecp(const char *buf, const size_t buflen)
+{
+ if (!g_cppath[0]) {
+ printmsg(messages[STR_COPY_ID]);
+ return;
+ }
+
+ FILE *fp = fopen(g_cppath, "w");
+
+ if (fp) {
+ fwrite(buf, 1, buflen, fp);
+ fclose(fp);
+ } else
+ printwarn();
+}
+
+static bool appendfpath(const char *path, const size_t len)
+{
+ if ((copybufpos >= copybuflen) || ((len + 3) > (copybuflen - copybufpos))) {
+ copybuflen += PATH_MAX;
+ pcopybuf = xrealloc(pcopybuf, copybuflen);
+ if (!pcopybuf) {
+ printmsg("no memory!");
+ return FALSE;
+ }
+ }
+
+ if (copybufpos) {
+ pcopybuf[copybufpos - 1] = '\n';
+ if (cfg.quote) {
+ pcopybuf[copybufpos] = '\'';
+ ++copybufpos;
+ }
+ } else if (cfg.quote) {
+ pcopybuf[copybufpos] = '\'';
+ ++copybufpos;
+ }
+
+ copybufpos += xstrlcpy(pcopybuf + copybufpos, path, len);
+ if (cfg.quote) {
+ pcopybuf[copybufpos - 1] = '\'';
+ pcopybuf[copybufpos] = '\0';
+ ++copybufpos;
+ }
+
+ return TRUE;
+}
+
+static bool showcplist()
+{
+ ssize_t len;
+
+ if (!copybufpos)
+ return FALSE;
+
+ if (g_tmpfpath[0])
+ xstrlcpy(g_tmpfpath + g_tmpfplen - 1, "/.nnnXXXXXX", MAX_HOME_LEN - g_tmpfplen);
+ else {
+ printmsg(messages[STR_NOHOME_ID]);
+ return -1;
+ }
+
+ int fd = mkstemp(g_tmpfpath);
+ if (fd == -1)
+ return FALSE;
+
+ len = write(fd, pcopybuf, copybufpos - 1);
+ close(fd);
+
+ exitcurses();
+ if (len == copybufpos - 1)
+ get_output(NULL, 0, "cat", g_tmpfpath, NULL, 1);
+ unlink(g_tmpfpath);
+ refresh();
+ return TRUE;
+}
+
+/* Initialize curses mode */
+static void initcurses(void)
+{
+ if (initscr() == NULL) {
+ char *term = getenv("TERM");
+
+ if (term != NULL)
+ fprintf(stderr, "error opening TERM: %s\n", term);
+ else
+ fprintf(stderr, "initscr() failed\n");
+ exit(1);
+ }
+
+ cbreak();
+ noecho();
+ nonl();
+ intrflush(stdscr, FALSE);
+ keypad(stdscr, TRUE);
+ curs_set(FALSE); /* Hide cursor */
+ start_color();
+ use_default_colors();
+ if (cfg.showcolor)
+ init_pair(1, cfg.color, -1);
+ settimeout(); /* One second */
+}
+
+/*
+ * Spawns a child process. Behaviour can be controlled using flag.
+ * Limited to 2 arguments to a program, flag works on bit set.
+ */
+static void spawn(const char *file, const char *arg1, const char *arg2, const char *dir, uchar flag)
+{
+ static char *shlvl;
+ static pid_t pid;
+ static int status;
+
+ if (flag & F_NORMAL)
+ exitcurses();
+
+ pid = fork();
+ if (pid == 0) {
+ if (dir != NULL)
+ status = chdir(dir);
+
+ shlvl = getenv("SHLVL");
+
+ /* Show a marker (to indicate nnn spawned shell) */
+ if (flag & F_MARKER && shlvl != NULL) {
+ fprintf(stdout, "\n +-++-++-+\n | n n n |\n +-++-++-+\n\n");
+ fprintf(stdout, "Next shell level: %d\n", atoi(shlvl) + 1);
+ }
+
+ /* Suppress stdout and stderr */
+ if (flag & F_NOTRACE) {
+ int fd = open("/dev/null", O_WRONLY, 0200);
+
+ dup2(fd, 1);
+ dup2(fd, 2);
+ close(fd);
+ }
+
+ if (flag & F_NOWAIT) {
+ signal(SIGHUP, SIG_IGN);
+ signal(SIGPIPE, SIG_IGN);
+ setsid();
+ }
+
+ if (flag & F_SIGINT)
+ signal(SIGINT, SIG_DFL);
+ execlp(file, file, arg1, arg2, NULL);
+ _exit(1);
+ } else {
+ if (!(flag & F_NOWAIT))
+ /* Ignore interruptions */
+ while (waitpid(pid, &status, 0) == -1)
+ DPRINTF_D(status);
+
+ DPRINTF_D(pid);
+ if (flag & F_NORMAL)
+ refresh();
+ }
+}
+
+/* Get program name from env var, else return fallback program */
+static char *xgetenv(const char *name, char *fallback)
+{
+ static char *value;
+
+ if (name == NULL)
+ return fallback;
+
+ value = getenv(name);
+
+ return value && value[0] ? value : fallback;
+}
+
+/* Check if a dir exists, IS a dir and is readable */
+static bool xdiraccess(const char *path)
+{
+ static DIR *dirp;
+
+ dirp = opendir(path);
+ if (dirp == NULL) {
+ printwarn();
+ return FALSE;
+ }
+
+ closedir(dirp);
+ return TRUE;
+}
+
+/*
+ * We assume none of the strings are NULL.
+ *
+ * Let's have the logic to sort numeric names in numeric order.
+ * E.g., the order '1, 10, 2' doesn't make sense to human eyes.
+ *
+ * If the absolute numeric values are same, we fallback to alphasort.
+ */
+static int xstricmp(const char * const s1, const char * const s2)
+{
+ static const char *c1, *c2;
+
+ c1 = s1;
+ while (isspace(*c1))
+ ++c1;
+
+ c2 = s2;
+ while (isspace(*c2))
+ ++c2;
+
+ if (*c1 == '-' || *c1 == '+')
+ ++c1;
+
+ if (*c2 == '-' || *c2 == '+')
+ ++c2;
+
+ if (isdigit(*c1) && isdigit(*c2)) {
+ while (*c1 >= '0' && *c1 <= '9')
+ ++c1;
+ while (isspace(*c1))
+ ++c1;
+
+ while (*c2 >= '0' && *c2 <= '9')
+ ++c2;
+ while (isspace(*c2))
+ ++c2;
+ }
+
+ if (!*c1 && !*c2) {
+ static long long num1, num2;
+
+ num1 = strtoll(s1, NULL, 10);
+ num2 = strtoll(s2, NULL, 10);
+ if (num1 != num2) {
+ if (num1 > num2)
+ return 1;
+
+ return -1;
+ }
+ }
+
+ return strcoll(s1, s2);
+}
+
+/* Return the integer value of a char representing HEX */
+static char xchartohex(char c)
+{
+ if (c >= '0' && c <= '9')
+ return c - '0';
+
+ c = TOUPPER(c);
+ if (c >= 'A' && c <= 'F')
+ return c - 'A' + 10;
+
+ return c;
+}
+
+static char *getmime(const char *file)
+{
+ static regex_t regex;
+ static uint i;
+ static const uint len = LEN(assocs);
+
+ for (i = 0; i < len; ++i) {
+ if (regcomp(&regex, assocs[i].regex, REG_NOSUB | REG_EXTENDED | REG_ICASE) != 0)
+ continue;
+
+ if (regexec(&regex, file, 0, NULL, 0) == 0) {
+ regfree(&regex);
+ return assocs[i].mime;
+ }
+ }
+
+ regfree(&regex);
+ return NULL;
+}
+
+static int setfilter(regex_t *regex, char *filter)
+{
+ static size_t len;
+ static int r;
+
+ r = regcomp(regex, filter, REG_NOSUB | REG_EXTENDED | REG_ICASE);
+ if (r != 0 && filter && filter[0] != '\0') {
+ len = COLS;
+ if (len > NAME_MAX)
+ len = NAME_MAX;
+ regerror(r, regex, g_buf, len);
+ printmsg(g_buf);
+ }
+
+ return r;
+}
+
+static void initfilter(int dot, char *hfltr)
+{
+ dot ? (hfltr[0] = '.', hfltr[1] = '\0') : xstrlcpy(hfltr, "^[^.]", DOT_FILTER_LEN);
+}
+
+static int visible(regex_t *regex, char *file)
+{
+ return regexec(regex, file, 0, NULL, 0) == 0;
+}
+
+static int entrycmp(const void *va, const void *vb)
+{
+ static pEntry pa, pb;
+
+ pa = (pEntry)va;
+ pb = (pEntry)vb;
+
+ /* Sort directories first */
+ if (S_ISDIR(pb->mode) && !S_ISDIR(pa->mode))
+ return 1;
+
+ if (S_ISDIR(pa->mode) && !S_ISDIR(pb->mode))
+ return -1;
+
+ /* Do the actual sorting */
+ if (cfg.mtimeorder)
+ return pb->t - pa->t;
+
+ if (cfg.sizeorder) {
+ if (pb->size > pa->size)
+ return 1;
+
+ if (pb->size < pa->size)
+ return -1;
+ }
+
+ if (cfg.blkorder) {
+ if (pb->blocks > pa->blocks)
+ return 1;
+
+ if (pb->blocks < pa->blocks)
+ return -1;
+ }
+
+ return xstricmp(pa->name, pb->name);
+}
+
+/*
+ * Returns SEL_* if key is bound and 0 otherwise.
+ * Also modifies the run and env pointers (used on SEL_{RUN,RUNARG}).
+ * The next keyboard input can be simulated by presel.
+ */
+static int nextsel(char **run, char **env, int *presel)
+{
+ static int c;
+ static uint i;
+ static const uint len = LEN(bindings);
+#ifdef LINUX_INOTIFY
+ static char inotify_buf[EVENT_BUF_LEN];
+#elif defined(BSD_KQUEUE)
+ static struct kevent event_data[NUM_EVENT_SLOTS];
+#endif
+
+ c = *presel;
+
+ if (c == 0)
+ c = getch();
+ else {
+ /* Unwatch dir if we are still in a filtered view */
+#ifdef LINUX_INOTIFY
+ if (*presel == FILTER && inotify_wd >= 0) {
+ inotify_rm_watch(inotify_fd, inotify_wd);
+ inotify_wd = -1;
+ }
+#elif defined(BSD_KQUEUE)
+ if (*presel == FILTER && event_fd >= 0) {
+ close(event_fd);
+ event_fd = -1;
+ }
+#endif
+ *presel = 0;
+ }
+
+ if (c == -1) {
+ ++idle;
+
+ /* Do not check for directory changes in du
+ * mode. A redraw forces du calculation.
+ * Check for changes every odd second.
+ */
+#ifdef LINUX_INOTIFY
+ if (!cfg.blkorder && inotify_wd >= 0 && idle & 1 && read(inotify_fd, inotify_buf, EVENT_BUF_LEN) > 0)
+#elif defined(BSD_KQUEUE)
+ if (!cfg.blkorder && event_fd >= 0 && idle & 1
+ && kevent(kq, events_to_monitor, NUM_EVENT_SLOTS, event_data, NUM_EVENT_FDS, &gtimeout) > 0)
+#endif
+ c = CONTROL('L');
+ } else
+ idle = 0;
+
+ for (i = 0; i < len; ++i)
+ if (c == bindings[i].sym) {
+ *run = bindings[i].run;
+ *env = bindings[i].env;
+ return bindings[i].act;
+ }
+
+ return 0;
+}
+
+/*
+ * Move non-matching entries to the end
+ */
+static int fill(struct entry **dents, int (*filter)(regex_t *, char *), regex_t *re)
+{
+ static int count;
+ static struct entry _dent, *pdent1, *pdent2;
+
+ for (count = 0; count < ndents; ++count) {
+ if (filter(re, (*dents)[count].name) == 0) {
+ if (count != --ndents) {
+ pdent1 = &(*dents)[count];
+ pdent2 = &(*dents)[ndents];
+
+ *(&_dent) = *pdent1;
+ *pdent1 = *pdent2;
+ *pdent2 = *(&_dent);
+ --count;
+ }
+
+ continue;
+ }
+ }
+
+ return ndents;
+}
+
+static int matches(char *fltr)
+{
+ static regex_t re;
+
+ /* Search filter */
+ if (setfilter(&re, fltr) != 0)
+ return -1;
+
+ ndents = fill(&dents, visible, &re);
+ regfree(&re);
+ if (!ndents)
+ return 0;
+
+ qsort(dents, ndents, sizeof(*dents), entrycmp);
+
+ return 0;
+}
+
+static int filterentries(char *path)
+{
+ static char ln[REGEX_MAX] __attribute__ ((aligned));
+ static wchar_t wln[REGEX_MAX] __attribute__ ((aligned));
+ static wint_t ch[2] = {0};
+ int r, total = ndents, oldcur = cur, len = 1;
+ char *pln = ln + 1;
+
+ ln[0] = wln[0] = FILTER;
+ ln[1] = wln[1] = '\0';
+ cur = 0;
+
+ cleartimeout();
+ curs_set(TRUE);
+ printprompt(ln);
+
+ while ((r = get_wch(ch)) != ERR) {
+ switch (*ch) {
+ case KEY_DC: // fallthrough
+ case KEY_BACKSPACE: // fallthrough
+ case '\b': // fallthrough
+ case CONTROL('L'): // fallthrough
+ case 127: /* handle DEL */
+ if (len == 1 && *ch != CONTROL('L')) {
+ cur = oldcur;
+ *ch = CONTROL('L');
+ goto end;
+ }
+
+ if (*ch == CONTROL('L'))
+ while (len > 1)
+ wln[--len] = '\0';
+ else
+ wln[--len] = '\0';
+
+ if (len == 1)
+ cur = oldcur;
+
+ wcstombs(ln, wln, REGEX_MAX);
+ ndents = total;
+ if (matches(pln) != -1)
+ redraw(path);
+
+ printprompt(ln);
+ continue;
+ case 27: /* Exit filter mode on Escape */
+ cur = oldcur;
+ *ch = CONTROL('L');
+ goto end;
+ }
+
+ if (r == OK) {
+ /* Handle all control chars in main loop */
+ if (keyname(*ch)[0] == '^') {
+ if (len == 1)
+ cur = oldcur;
+ goto end;
+ }
+
+ switch (*ch) {
+ case '\r': // with nonl(), this is ENTER key value
+ if (len == 1) {
+ cur = oldcur;
+ goto end;
+ }
+
+ if (matches(pln) == -1)
+ goto end;
+
+ redraw(path);
+ goto end;
+ case '?': // '?' is an invalid regex, show help instead
+ if (len == 1) {
+ cur = oldcur;
+ goto end;
+ } // fallthrough
+ default:
+ /* Reset cur in case it's a repeat search */
+ if (len == 1)
+ cur = 0;
+
+ if (len == REGEX_MAX - 1)
+ break;
+
+ wln[len] = (wchar_t)*ch;
+ wln[++len] = '\0';
+ wcstombs(ln, wln, REGEX_MAX);
+
+ /* Forward-filtering optimization:
+ * - new matches can only be a subset of current matches.
+ */
+ /* ndents = total; */
+
+ if (matches(pln) == -1)
+ continue;
+
+ /* If the only match is a dir, auto-select and cd into it */
+ if (ndents == 1 && cfg.filtermode && cfg.autoselect && S_ISDIR(dents[0].mode)) {
+ *ch = KEY_ENTER;
+ cur = 0;
+ goto end;
+ }
+
+ /*
+ * redraw() should be above the auto-select optimization, for
+ * the case where there's an issue with dir auto-select, say,
+ * due to a permission problem. The transition is _jumpy_ in
+ * case of such an error. However, we optimize for successful
+ * cases where the dir has permissions. This skips a redraw().
+ */
+ redraw(path);
+ printprompt(ln);
+ }
+ } else {
+ if (len == 1)
+ cur = oldcur;
+ goto end;
+ }
+ }
+end:
+ curs_set(FALSE);
+ settimeout();
+
+ /* Return keys for navigation etc. */
+ return *ch;
+}
+
+/* Show a prompt with input string and return the changes */
+static char *xreadline(char *fname, char *prompt, bool single)
+{
+ size_t len, pos;
+ int x, y, r;
+ wint_t ch[2] = {0};
+ static wchar_t * const buf = (wchar_t *)g_buf;
+
+ cleartimeout();
+ if (single) {
+ buf[0] = getch();
+ len = 1;
+ goto END;
+ }
+
+ printprompt(prompt);
+
+ if (fname) {
+ DPRINTF_S(fname);
+ len = pos = mbstowcs(buf, fname, NAME_MAX);
+ } else
+ len = (size_t)-1;
+
+ if (len == (size_t)-1) {
+ buf[0] = '\0';
+ len = pos = 0;
+ }
+
+ getyx(stdscr, y, x);
+ curs_set(TRUE);
+
+ while (1) {
+ buf[len] = ' ';
+ mvaddnwstr(y, x, buf, len + 1);
+ move(y, x + wcswidth(buf, pos));
+
+ r = get_wch(ch);
+ if (r != ERR) {
+ if (r == OK) {
+ switch (*ch) {
+ case KEY_ENTER: //fallthrough
+ case '\n': //fallthrough
+ case '\r':
+ goto END;
+ case '\b': /* some old curses (e.g. rhel25) still send '\b' for backspace */
+ if (pos > 0) {
+ memmove(buf + pos - 1, buf + pos, (len - pos) << 2);
+ --len, --pos;
+ } //fallthrough
+ case '\t': /* TAB breaks cursor position, ignore it */
+ continue;
+ case CONTROL('L'):
+ clearprompt();
+ printprompt(prompt);
+ len = pos = 0;
+ continue;
+ case CONTROL('A'):
+ pos = 0;
+ continue;
+ case CONTROL('E'):
+ pos = len;
+ continue;
+ case CONTROL('U'):
+ clearprompt();
+ printprompt(prompt);
+ memmove(buf, buf + pos, (len - pos) << 2);
+ len -= pos;
+ pos = 0;
+ continue;
+ case 27: /* Exit prompt on Escape */
+ len = 0;
+ goto END;
+ }
+
+ /* Filter out all other control chars */
+ if (keyname(*ch)[0] == '^')
+ continue;
+
+ if (pos < NAME_MAX - 1) {
+ memmove(buf + pos + 1, buf + pos, (len - pos) << 2);
+ buf[pos] = *ch;
+ ++len, ++pos;
+ continue;
+ }
+ } else {
+ switch (*ch) {
+ case KEY_LEFT:
+ if (pos > 0)
+ --pos;
+ break;
+ case KEY_RIGHT:
+ if (pos < len)
+ ++pos;
+ break;
+ case KEY_BACKSPACE:
+ if (pos > 0) {
+ memmove(buf + pos - 1, buf + pos, (len - pos) << 2);
+ --len, --pos;
+ }
+ break;
+ case KEY_DC:
+ if (pos < len) {
+ memmove(buf + pos, buf + pos + 1, (len - pos - 1) << 2);
+ --len;
+ }
+ break;
+ default:
+ break;
+ }
+ }
+ }
+ }
+
+END:
+ curs_set(FALSE);
+ settimeout();
+ clearprompt();
+
+ buf[len] = '\0';
+ DPRINTF_S(buf);
+ wcstombs(g_buf + ((NAME_MAX + 1) << 4), buf, NAME_MAX);
+ return g_buf + ((NAME_MAX + 1) << 4);
+}
+
+/*
+ * Updates out with "dir/name or "/name"
+ * Returns the number of bytes copied including the terminating NULL byte
+ */
+static size_t mkpath(char *dir, char *name, char *out, size_t n)
+{
+ static size_t len;
+
+ /* Handle absolute path */
+ if (name[0] == '/')
+ return xstrlcpy(out, name, n);
+
+ /* Handle root case */
+ if (istopdir(dir))
+ len = 1;
+ else
+ len = xstrlcpy(out, dir, n);
+
+ out[len - 1] = '/';
+ return (xstrlcpy(out + len, name, n - len) + len);
+}
+
+static void parsebmstr()
+{
+ int i = 0;
+ char *bms = getenv("NNN_BMS");
+ if (!bms)
+ return;
+
+ while (*bms && i < BM_MAX) {
+ bookmark[i].key = bms;
+
+ ++bms;
+ while (*bms && *bms != ':') {
+ ++bms;
+
+ if (cfg.char_key)
+ cfg.char_key = 0;
+ }
+
+ if (!*bms) {
+ bookmark[i].key = NULL;
+ break;
+ }
+
+ *bms = '\0';
+
+ bookmark[i].loc = ++bms;
+ if (bookmark[i].loc[0] == '\0' || bookmark[i].loc[0] == ';') {
+ bookmark[i].key = NULL;
+ break;
+ }
+
+ while (*bms && *bms != ';')
+ ++bms;
+
+ if (*bms)
+ *bms = '\0';
+ else
+ break;
+
+ ++bms;
+ ++i;
+ }
+}
+
+/*
+ * Get the real path to a bookmark
+ *
+ * NULL is returned in case of no match, path resolution failure etc.
+ * buf would be modified, so check return value before access
+ */
+static char *get_bm_loc(char *key, char *buf)
+{
+ int r;
+
+ if (!key || !key[0])
+ return NULL;
+
+ for (r = 0; bookmark[r].key && r < BM_MAX; ++r) {
+ if (strcmp(bookmark[r].key, key) == 0) {
+ if (bookmark[r].loc[0] == '~') {
+ char *home = getenv("HOME");
+
+ if (!home) {
+ DPRINTF_S(messages[STR_NOHOME_ID]);
+ return NULL;
+ }
+
+ snprintf(buf, PATH_MAX, "%s%s", home, bookmark[r].loc + 1);
+ } else
+ xstrlcpy(buf, bookmark[r].loc, PATH_MAX);
+
+ return buf;
+ }
+ }
+
+ DPRINTF_S("Invalid key");
+ return NULL;
+}
+
+static void resetdircolor(mode_t mode)
+{
+ if (cfg.dircolor && !S_ISDIR(mode)) {
+ attroff(COLOR_PAIR(1) | A_BOLD);
+ cfg.dircolor = 0;
+ }
+}
+
+/*
+ * Replace escape characters in a string with '?'
+ * Adjust string length to maxcols if > 0;
+ *
+ * Interestingly, note that unescape() uses g_buf. What happens if
+ * str also points to g_buf? In this case we assume that the caller
+ * acknowledges that it's OK to lose the data in g_buf after this
+ * call to unescape().
+ * The API, on its part, first converts str to multibyte (after which
+ * it doesn't touch str anymore). Only after that it starts modifying
+ * g_buf. This is a phased operation.
+ */
+static char *unescape(const char *str, uint maxcols)
+{
+ static wchar_t wbuf[PATH_MAX] __attribute__ ((aligned));
+ static wchar_t *buf;
+ static size_t len;
+
+ /* Convert multi-byte to wide char */
+ len = mbstowcs(wbuf, str, PATH_MAX);
+
+ g_buf[0] = '\0';
+ buf = wbuf;
+
+ if (maxcols && len > maxcols) {
+ len = wcswidth(wbuf, len);
+
+ if (len > maxcols)
+ wbuf[maxcols] = 0;
+ }
+
+ while (*buf) {
+ if (*buf <= '\x1f' || *buf == '\x7f')
+ *buf = '\?';
+
+ ++buf;
+ }
+
+ /* Convert wide char to multi-byte */
+ wcstombs(g_buf, wbuf, PATH_MAX);
+ return g_buf;
+}
+
+static char *coolsize(off_t size)
+{
+ static const char * const U = "BKMGTPEZY";
+ static char size_buf[12]; /* Buffer to hold human readable size */
+ static off_t rem;
+ static int i;
+
+ i = 0;
+ rem = 0;
+
+ while (size > 1024) {
+ rem = size & (0x3FF); /* 1024 - 1 = 0x3FF */
+ size >>= 10;
+ ++i;
+ }
+
+ if (i == 1) {
+ rem = (rem * 1000) >> 10;
+
+ rem /= 10;
+ if (rem % 10 >= 5) {
+ rem = (rem / 10) + 1;
+ if (rem == 10) {
+ ++size;
+ rem = 0;
+ }
+ } else
+ rem /= 10;
+ } else if (i == 2) {
+ rem = (rem * 1000) >> 10;
+
+ if (rem % 10 >= 5) {
+ rem = (rem / 10) + 1;
+ if (rem == 100) {
+ ++size;
+ rem = 0;
+ }
+ } else
+ rem /= 10;
+ } else if (i > 0) {
+ rem = (rem * 10000) >> 10;
+
+ if (rem % 10 >= 5) {
+ rem = (rem / 10) + 1;
+ if (rem == 1000) {
+ ++size;
+ rem = 0;
+ }
+ } else
+ rem /= 10;
+ }
+
+ if (i > 0 && i < 6)
+ snprintf(size_buf, 12, "%lu.%0*lu%c", (ulong)size, i, (ulong)rem, U[i]);
+ else
+ snprintf(size_buf, 12, "%lu%c", (ulong)size, U[i]);
+
+ return size_buf;
+}
+
+static char *get_file_sym(mode_t mode)
+{
+ static char ind[2] = "\0\0";
+
+ if (S_ISDIR(mode))
+ ind[0] = '/';
+ else if (S_ISLNK(mode))
+ ind[0] = '@';
+ else if (S_ISSOCK(mode))
+ ind[0] = '=';
+ else if (S_ISFIFO(mode))
+ ind[0] = '|';
+ else if (mode & 0100)
+ ind[0] = '*';
+ else
+ ind[0] = '\0';
+
+ return ind;
+}
+
+static void printent(struct entry *ent, int sel, uint namecols)
+{
+ static char *pname;
+
+ pname = unescape(ent->name, namecols);
+
+ /* Directories are always shown on top */
+ resetdircolor(ent->mode);
+
+ printw("%s%s%s\n", CURSYM(sel), pname, get_file_sym(ent->mode));
+}
+
+static void printent_long(struct entry *ent, int sel, uint namecols)
+{
+ static char buf[18], *pname;
+
+ strftime(buf, 18, "%F %R", localtime(&ent->t));
+ pname = unescape(ent->name, namecols);
+
+ /* Directories are always shown on top */
+ resetdircolor(ent->mode);
+
+ if (sel)
+ attron(A_REVERSE);
+
+ if (S_ISDIR(ent->mode)) {
+ if (cfg.blkorder)
+ printw("%s%-16.16s %8.8s/ %s/\n", CURSYM(sel), buf, coolsize(ent->blocks << BLK_SHIFT), pname);
+ else
+ printw("%s%-16.16s / %s/\n", CURSYM(sel), buf, pname);
+ } else if (S_ISLNK(ent->mode)) {
+ if (ent->flags & SYMLINK_TO_DIR)
+ printw("%s%-16.16s @/ %s@\n", CURSYM(sel), buf, pname);
+ else
+ printw("%s%-16.16s @ %s@\n", CURSYM(sel), buf, pname);
+ } else if (S_ISSOCK(ent->mode))
+ printw("%s%-16.16s = %s=\n", CURSYM(sel), buf, pname);
+ else if (S_ISFIFO(ent->mode))
+ printw("%s%-16.16s | %s|\n", CURSYM(sel), buf, pname);
+ else if (S_ISBLK(ent->mode))
+ printw("%s%-16.16s b %s\n", CURSYM(sel), buf, pname);
+ else if (S_ISCHR(ent->mode))
+ printw("%s%-16.16s c %s\n", CURSYM(sel), buf, pname);
+ else if (ent->mode & 0100) {
+ if (cfg.blkorder)
+ printw("%s%-16.16s %8.8s* %s*\n", CURSYM(sel), buf, coolsize(ent->blocks << BLK_SHIFT), pname);
+ else
+ printw("%s%-16.16s %8.8s* %s*\n", CURSYM(sel), buf, coolsize(ent->size), pname);
+ } else {
+ if (cfg.blkorder)
+ printw("%s%-16.16s %8.8s %s\n", CURSYM(sel), buf, coolsize(ent->blocks << BLK_SHIFT), pname);
+ else
+ printw("%s%-16.16s %8.8s %s\n", CURSYM(sel), buf, coolsize(ent->size), pname);
+ }
+
+ if (sel)
+ attroff(A_REVERSE);
+}
+
+static void (*printptr)(struct entry *ent, int sel, uint namecols) = &printent_long;
+
+static char get_fileind(mode_t mode, char *desc)
+{
+ static char c;
+
+ if (S_ISREG(mode)) {
+ c = '-';
+ xstrlcpy(desc, "regular file", DESCRIPTOR_LEN);
+ if (mode & 0100)
+ xstrlcpy(desc + 12, ", executable", DESCRIPTOR_LEN - 12); /* Length of string "regular file" is 12 */
+ } else if (S_ISDIR(mode)) {
+ c = 'd';
+ xstrlcpy(desc, "directory", DESCRIPTOR_LEN);
+ } else if (S_ISBLK(mode)) {
+ c = 'b';
+ xstrlcpy(desc, "block special device", DESCRIPTOR_LEN);
+ } else if (S_ISCHR(mode)) {
+ c = 'c';
+ xstrlcpy(desc, "character special device", DESCRIPTOR_LEN);
+#ifdef S_ISFIFO
+ } else if (S_ISFIFO(mode)) {
+ c = 'p';
+ xstrlcpy(desc, "FIFO", DESCRIPTOR_LEN);
+#endif /* S_ISFIFO */
+#ifdef S_ISLNK
+ } else if (S_ISLNK(mode)) {
+ c = 'l';
+ xstrlcpy(desc, "symbolic link", DESCRIPTOR_LEN);
+#endif /* S_ISLNK */
+#ifdef S_ISSOCK
+ } else if (S_ISSOCK(mode)) {
+ c = 's';
+ xstrlcpy(desc, "socket", DESCRIPTOR_LEN);
+#endif /* S_ISSOCK */
+#ifdef S_ISDOOR
+ /* Solaris 2.6, etc. */
+ } else if (S_ISDOOR(mode)) {
+ c = 'D';
+ desc[0] = '\0';
+#endif /* S_ISDOOR */
+ } else {
+ /* Unknown type -- possibly a regular file? */
+ c = '?';
+ desc[0] = '\0';
+ }
+
+ return c;
+}
+
+/* Convert a mode field into "ls -l" type perms field. */
+static char *get_lsperms(mode_t mode, char *desc)
+{
+ static const char * const rwx[] = {"---", "--x", "-w-", "-wx", "r--", "r-x", "rw-", "rwx"};
+ static char bits[11] = {'\0'};
+
+ bits[0] = get_fileind(mode, desc);
+ xstrlcpy(&bits[1], rwx[(mode >> 6) & 7], 4);
+ xstrlcpy(&bits[4], rwx[(mode >> 3) & 7], 4);
+ xstrlcpy(&bits[7], rwx[(mode & 7)], 4);
+
+ if (mode & S_ISUID)
+ bits[3] = (mode & 0100) ? 's' : 'S'; /* user executable */
+ if (mode & S_ISGID)
+ bits[6] = (mode & 0010) ? 's' : 'l'; /* group executable */
+ if (mode & S_ISVTX)
+ bits[9] = (mode & 0001) ? 't' : 'T'; /* others executable */
+
+ return bits;
+}
+
+/*
+ * Gets only a single line (that's what we need
+ * for now) or shows full command output in pager.
+ *
+ * If pager is valid, returns NULL
+ */
+static char *get_output(char *buf, size_t bytes, char *file, char *arg1, char *arg2, int pager)
+{
+ pid_t pid;
+ int pipefd[2];
+ FILE *pf;
+ int tmp, flags;
+ char *ret = NULL;
+
+ if (pipe(pipefd) == -1)
+ errexit();
+
+ for (tmp = 0; tmp < 2; ++tmp) {
+ /* Get previous flags */
+ flags = fcntl(pipefd[tmp], F_GETFL, 0);
+
+ /* Set bit for non-blocking flag */
+ flags |= O_NONBLOCK;
+
+ /* Change flags on fd */
+ fcntl(pipefd[tmp], F_SETFL, flags);
+ }
+
+ pid = fork();
+ if (pid == 0) {
+ /* In child */
+ close(pipefd[0]);
+ dup2(pipefd[1], STDOUT_FILENO);
+ dup2(pipefd[1], STDERR_FILENO);
+ close(pipefd[1]);
+ execlp(file, file, arg1, arg2, NULL);
+ _exit(1);
+ }
+
+ /* In parent */
+ waitpid(pid, &tmp, 0);
+ close(pipefd[1]);
+
+ if (!pager) {
+ pf = fdopen(pipefd[0], "r");
+ if (pf) {
+ ret = fgets(buf, bytes, pf);
+ close(pipefd[0]);
+ }
+
+ return ret;
+ }
+
+
+ pid = fork();
+ if (pid == 0) {
+ /* Show in pager in child */
+ dup2(pipefd[0], STDIN_FILENO);
+ close(pipefd[0]);
+ execlp("less", "less", NULL);
+ _exit(1);
+ }
+
+ /* In parent */
+ waitpid(pid, &tmp, 0);
+ close(pipefd[0]);
+
+ return NULL;
+}
+
+static char *xgetpwuid(uid_t uid)
+{
+ struct passwd *pwd = getpwuid(uid);
+
+ if (!pwd)
+ return utils[UNKNOWN];
+
+ return pwd->pw_name;
+}
+
+static char *xgetgrgid(gid_t gid)
+{
+ struct group *grp = getgrgid(gid);
+
+ if (!grp)
+ return utils[UNKNOWN];
+
+ return grp->gr_name;
+}
+
+/*
+ * Follows the stat(1) output closely
+ */
+static int show_stats(char *fpath, char *fname, struct stat *sb)
+{
+ char desc[DESCRIPTOR_LEN];
+ char *perms = get_lsperms(sb->st_mode, desc);
+ char *p, *begin = g_buf;
+
+ if (g_tmpfpath[0])
+ xstrlcpy(g_tmpfpath + g_tmpfplen - 1, "/.nnnXXXXXX", MAX_HOME_LEN - g_tmpfplen);
+ else {
+ printmsg(messages[STR_NOHOME_ID]);
+ return -1;
+ }
+
+ int fd = mkstemp(g_tmpfpath);
+
+ if (fd == -1)
+ return -1;
+
+ dprintf(fd, " File: '%s'", unescape(fname, 0));
+
+ /* Show file name or 'symlink' -> 'target' */
+ if (perms[0] == 'l') {
+ /* Note that MAX_CMD_LEN > PATH_MAX */
+ ssize_t len = readlink(fpath, g_buf, MAX_CMD_LEN);
+
+ if (len != -1) {
+ struct stat tgtsb;
+ if (!stat(fpath, &tgtsb) && S_ISDIR(tgtsb.st_mode))
+ g_buf[len++] = '/';
+
+ g_buf[len] = '\0';
+
+ /*
+ * We pass g_buf but unescape() operates on g_buf too!
+ * Read the API notes for information on how this works.
+ */
+ dprintf(fd, " -> '%s'", unescape(g_buf, 0));
+ }
+ }
+
+ /* Show size, blocks, file type */
+#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
+ dprintf(fd, "\n Size: %-15lld Blocks: %-10lld IO Block: %-6d %s",
+ (long long)sb->st_size, (long long)sb->st_blocks, sb->st_blksize, desc);
+#else
+ dprintf(fd, "\n Size: %-15ld Blocks: %-10ld IO Block: %-6ld %s",
+ sb->st_size, sb->st_blocks, (long)sb->st_blksize, desc);
+#endif
+
+ /* Show containing device, inode, hardlink count */
+#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
+ snprintf(g_buf, 32, "%xh/%ud", sb->st_dev, sb->st_dev);
+ dprintf(fd, "\n Device: %-15s Inode: %-11llu Links: %-9hu",
+ g_buf, (unsigned long long)sb->st_ino, sb->st_nlink);
+#else
+ snprintf(g_buf, 32, "%lxh/%lud", (ulong)sb->st_dev, (ulong)sb->st_dev);
+ dprintf(fd, "\n Device: %-15s Inode: %-11lu Links: %-9lu",
+ g_buf, sb->st_ino, (ulong)sb->st_nlink);
+#endif
+
+ /* Show major, minor number for block or char device */
+ if (perms[0] == 'b' || perms[0] == 'c')
+ dprintf(fd, " Device type: %x,%x", major(sb->st_rdev), minor(sb->st_rdev));
+
+ /* Show permissions, owner, group */
+ dprintf(fd, "\n Access: 0%d%d%d/%s Uid: (%u/%s) Gid: (%u/%s)", (sb->st_mode >> 6) & 7, (sb->st_mode >> 3) & 7,
+ sb->st_mode & 7, perms, sb->st_uid, xgetpwuid(sb->st_uid), sb->st_gid, xgetgrgid(sb->st_gid));
+
+ /* Show last access time */
+ strftime(g_buf, 40, messages[STR_DATE_ID], localtime(&sb->st_atime));
+ dprintf(fd, "\n\n Access: %s", g_buf);
+
+ /* Show last modification time */
+ strftime(g_buf, 40, messages[STR_DATE_ID], localtime(&sb->st_mtime));
+ dprintf(fd, "\n Modify: %s", g_buf);
+
+ /* Show last status change time */
+ strftime(g_buf, 40, messages[STR_DATE_ID], localtime(&sb->st_ctime));
+ dprintf(fd, "\n Change: %s", g_buf);
+
+ if (S_ISREG(sb->st_mode)) {
+ /* Show file(1) output */
+ p = get_output(g_buf, MAX_CMD_LEN, "file", "-b", fpath, 0);
+ if (p) {
+ dprintf(fd, "\n\n ");
+ while (*p) {
+ if (*p == ',') {
+ *p = '\0';
+ dprintf(fd, " %s\n", begin);
+ begin = p + 1;
+ }
+
+ ++p;
+ }
+ dprintf(fd, " %s", begin);
+ }
+
+ dprintf(fd, "\n\n");
+ } else
+ dprintf(fd, "\n\n\n");
+
+ close(fd);
+
+ exitcurses();
+ get_output(NULL, 0, "cat", g_tmpfpath, NULL, 1);
+ unlink(g_tmpfpath);
+ refresh();
+ return 0;
+}
+
+static size_t get_fs_info(const char *path, bool type)
+{
+ static struct statvfs svb;
+
+ if (statvfs(path, &svb) == -1)
+ return 0;
+
+ if (type == CAPACITY)
+ return svb.f_blocks << ffs(svb.f_bsize >> 1);
+
+ return svb.f_bavail << ffs(svb.f_frsize >> 1);
+}
+
+static int show_mediainfo(char *fpath, char *arg)
+{
+ if (!get_output(g_buf, MAX_CMD_LEN, "which", utils[cfg.metaviewer], NULL, 0))
+ return -1;
+
+ exitcurses();
+ get_output(NULL, 0, utils[cfg.metaviewer], fpath, arg, 1);
+ refresh();
+ return 0;
+}
+
+static int handle_archive(char *fpath, char *arg, char *dir)
+{
+ if (!get_output(g_buf, MAX_CMD_LEN, "which", utils[ATOOL], NULL, 0))
+ return -1;
+
+ if (arg[1] == 'x')
+ spawn(utils[ATOOL], arg, fpath, dir, F_NORMAL);
+ else {
+ exitcurses();
+ get_output(NULL, 0, utils[ATOOL], arg, fpath, 1);
+ refresh();
+ }
+
+ return 0;
+}
+
+/*
+ * The help string tokens (each line) start with a HEX value
+ * which indicates the number of spaces to print before the
+ * particular token. This method was chosen instead of a flat
+ * string because the number of bytes in help was increasing
+ * the binary size by around a hundred bytes. This would only
+ * have increased as we keep adding new options.
+ */
+static int show_help(char *path)
+{
+ if (g_tmpfpath[0])
+ xstrlcpy(g_tmpfpath + g_tmpfplen - 1, "/.nnnXXXXXX", MAX_HOME_LEN - g_tmpfplen);
+ else {
+ printmsg(messages[STR_NOHOME_ID]);
+ return -1;
+ }
+
+ int i = 0, fd = mkstemp(g_tmpfpath);
+ char *start, *end;
+ static char helpstr[] = {
+ "cKey Desc\n"
+ "e----\n"
+ "7↑, k, ^P Up\n"
+ "7↓, j, ^N Down\n"
+ "7PgUp, ^U Scroll up\n"
+ "7PgDn, ^D Scroll down\n"
+"1Home, g, ^, ^A First entry\n"
+ "2End, G, $, ^E Last entry\n"
+ "4→, ↵, l, ^M Open file/enter dir\n"
+"1←, Bksp, h, ^H Parent dir\n"
+ "d^O Open with...\n"
+ "5Insert, ^I Toggle nav-as-you-type\n"
+ "e~ Go HOME\n"
+ "e& Start dir\n"
+ "e- Last visited dir\n"
+ "e/ Filter entries\n"
+ "e. Toggle show hidden\n"
+ "d^B Key prompt\n"
+ "eb Pin current dir\n"
+ "d^V Go to pinned dir\n"
+ "ed Toggle detail view\n"
+ "eD File details\n"
+ "bm, M Brief/full media info\n"
+ "en Create new\n"
+ "d^R Rename entry\n"
+ "er Open dir in vidir\n"
+ "es Toggle sort by size\n"
+ "eS Toggle apparent size\n"
+ "d^J Toggle du mode\n"
+ "et Toggle sort by mtime\n"
+ "a!, ^] Spawn SHELL in dir\n"
+ "eR Run custom script\n"
+ "ee Edit in EDITOR\n"
+ "ep Open in PAGER\n"
+ "ef Archive entry\n"
+ "eF List archive\n"
+ "d^F Extract archive\n"
+ "6Space, ^K Copy file path\n"
+ "d^Y Toggle multi-copy\n"
+ "ey Show copy buffer\n"
+ "d^T Toggle path quote\n"
+ "d^L Redraw, clear prompt\n"
+ "cEsc Exit prompt\n"
+ "eL Lock terminal\n"
+ "eo Launch GUI app\n"
+ "e? Help, settings\n"
+ "eq Quit context\n"
+ "d^G Quit and cd\n"
+ "aQ, ^X Quit\n\n"};
+
+ if (fd == -1)
+ return -1;
+
+ start = end = helpstr;
+ while (*end) {
+ while (*end != '\n')
+ ++end;
+
+ if (start == end) {
+ ++end;
+ continue;
+ }
+
+ dprintf(fd, "%*c%.*s", xchartohex(*start), ' ', (int)(end - start), start + 1);
+ start = ++end;
+ }
+
+ dprintf(fd, "\nVolume: %s of ", coolsize(get_fs_info(path, FREE)));
+ dprintf(fd, "%s free\n\n", coolsize(get_fs_info(path, CAPACITY)));
+
+ if (getenv("NNN_BMS")) {
+ dprintf(fd, "BOOKMARKS\n");
+ for (; i < BM_MAX; ++i)
+ if (bookmark[i].key)
+ dprintf(fd, " %s: %s\n", bookmark[i].key, bookmark[i].loc);
+ else
+ break;
+ dprintf(fd, "\n");
+ }
+
+ if (editor)
+ dprintf(fd, "NNN_USE_EDITOR: %s\n", editor);
+ if (idletimeout)
+ dprintf(fd, "NNN_IDLE_TIMEOUT: %d secs\n", idletimeout);
+ if (copier)
+ dprintf(fd, "NNN_COPIER: %s\n", copier);
+ else if (g_cppath[0])
+ dprintf(fd, "copy file: %s\n", g_cppath);
+ if (getenv("NNN_SCRIPT"))
+ dprintf(fd, "NNN_SCRIPT: %s\n", getenv("NNN_SCRIPT"));
+ if (getenv("NNN_MULTISCRIPT"))
+ dprintf(fd, "NNN_MULTISCRIPT: %s\n", getenv("NNN_MULTISCRIPT"));
+ if (getenv("NNN_SHOW_HIDDEN"))
+ dprintf(fd, "NNN_SHOW_HIDDEN: %s\n", getenv("NNN_SHOW_HIDDEN"));
+
+ dprintf(fd, "\n");
+
+ if (getenv("PWD"))
+ dprintf(fd, "PWD: %s\n", getenv("PWD"));
+ if (getenv("SHELL"))
+ dprintf(fd, "SHELL: %s\n", getenv("SHELL"));
+ if (getenv("SHLVL"))
+ dprintf(fd, "SHLVL: %s\n", getenv("SHLVL"));
+ if (getenv("VISUAL"))
+ dprintf(fd, "VISUAL: %s\n", getenv("VISUAL"));
+ else if (getenv("EDITOR"))
+ dprintf(fd, "EDITOR: %s\n", getenv("EDITOR"));
+ if (getenv("PAGER"))
+ dprintf(fd, "PAGER: %s\n", getenv("PAGER"));
+
+ dprintf(fd, "\nVersion: %s\n%s\n", VERSION, GENERAL_INFO);
+ close(fd);
+
+ exitcurses();
+ get_output(NULL, 0, "cat", g_tmpfpath, NULL, 1);
+ unlink(g_tmpfpath);
+ refresh();
+ return 0;
+}
+
+static int sum_bsizes(const char *fpath, const struct stat *sb,
+ int typeflag, struct FTW *ftwbuf)
+{
+ if (sb->st_blocks && (typeflag == FTW_F || typeflag == FTW_D))
+ ent_blocks += sb->st_blocks;
+
+ ++num_files;
+ return 0;
+}
+
+static int sum_sizes(const char *fpath, const struct stat *sb,
+ int typeflag, struct FTW *ftwbuf)
+{
+ if (sb->st_size && (typeflag == FTW_F || typeflag == FTW_D))
+ ent_blocks += sb->st_size;
+
+ ++num_files;
+ return 0;
+}
+
+static void dentfree(struct entry *dents)
+{
+ free(pnamebuf);
+ free(dents);
+}
+
+static int dentfill(char *path, struct entry **dents,
+ int (*filter)(regex_t *, char *), regex_t *re)
+{
+ static DIR *dirp;
+ static struct dirent *dp;
+ static char *namep, *pnb;
+ static struct entry *dentp;
+ static size_t off, namebuflen = NAMEBUF_INCR;
+ static ulong num_saved;
+ static int fd, n, count;
+ static struct stat sb_path, sb;
+
+ off = 0;
+
+ dirp = opendir(path);
+ if (dirp == NULL)
+ return 0;
+
+ fd = dirfd(dirp);
+
+ n = 0;
+
+ if (cfg.blkorder) {
+ num_files = 0;
+ dir_blocks = 0;
+
+ if (fstatat(fd, ".", &sb_path, 0) == -1) {
+ printwarn();
+ return 0;
+ }
+ }
+
+ while ((dp = readdir(dirp)) != NULL) {
+ namep = dp->d_name;
+
+ if (filter(re, namep) == 0) {
+ if (!cfg.blkorder)
+ continue;
+
+ /* Skip self and parent */
+ if ((namep[0] == '.' && (namep[1] == '\0' || (namep[1] == '.' && namep[2] == '\0'))))
+ continue;
+
+ if (fstatat(fd, namep, &sb, AT_SYMLINK_NOFOLLOW) == -1)
+ continue;
+
+ if (S_ISDIR(sb.st_mode)) {
+ if (sb_path.st_dev == sb.st_dev) {
+ ent_blocks = 0;
+ mkpath(path, namep, g_buf, PATH_MAX);
+
+ if (nftw(g_buf, nftw_fn, open_max, FTW_MOUNT | FTW_PHYS) == -1) {
+ printmsg(messages[STR_NFTWFAIL_ID]);
+ dir_blocks += (cfg.apparentsz ? sb.st_size : sb.st_blocks);
+ } else
+ dir_blocks += ent_blocks;
+ }
+ } else {
+ dir_blocks += (cfg.apparentsz ? sb.st_size : sb.st_blocks);
+ ++num_files;
+ }
+
+ continue;
+ }
+
+ /* Skip self and parent */
+ if ((namep[0] == '.' && (namep[1] == '\0' ||
+ (namep[1] == '.' && namep[2] == '\0'))))
+ continue;
+
+ if (fstatat(fd, namep, &sb, AT_SYMLINK_NOFOLLOW) == -1) {
+ DPRINTF_S(namep);
+ continue;
+ }
+
+ if (n == total_dents) {
+ total_dents += ENTRY_INCR;
+ *dents = xrealloc(*dents, total_dents * sizeof(**dents));
+ if (*dents == NULL) {
+ free(pnamebuf);
+ errexit();
+ }
+ DPRINTF_P(*dents);
+ }
+
+ /* If there's not enough bytes left to copy a file name of length NAME_MAX, re-allocate */
+ if (namebuflen - off < NAME_MAX + 1) {
+ namebuflen += NAMEBUF_INCR;
+
+ pnb = pnamebuf;
+ pnamebuf = (char *)xrealloc(pnamebuf, namebuflen);
+ if (pnamebuf == NULL) {
+ free(*dents);
+ errexit();
+ }
+ DPRINTF_P(pnamebuf);
+
+ /* realloc() may result in memory move, we must re-adjust if that happens */
+ if (pnb != pnamebuf) {
+ dentp = *dents;
+ dentp->name = pnamebuf;
+
+ for (count = 1; count < n; ++dentp, ++count)
+ /* Current filename starts at last filename start + length */
+ (dentp + 1)->name = (char *)((size_t)dentp->name + dentp->nlen);
+ }
+ }
+
+ dentp = *dents + n;
+
+ /* Copy file name */
+ dentp->name = (char *)((size_t)pnamebuf + off);
+ dentp->nlen = xstrlcpy(dentp->name, namep, NAME_MAX + 1);
+ off += dentp->nlen;
+
+ /* Copy other fields */
+ dentp->mode = sb.st_mode;
+ dentp->t = sb.st_mtime;
+ dentp->size = sb.st_size;
+
+ if (cfg.blkorder) {
+ if (S_ISDIR(sb.st_mode)) {
+ ent_blocks = 0;
+ num_saved = num_files + 1;
+ mkpath(path, namep, g_buf, PATH_MAX);
+
+ if (nftw(g_buf, nftw_fn, open_max, FTW_MOUNT | FTW_PHYS) == -1) {
+ printmsg(messages[STR_NFTWFAIL_ID]);
+ dentp->blocks = (cfg.apparentsz ? sb.st_size : sb.st_blocks);
+ } else
+ dentp->blocks = ent_blocks;
+
+ if (sb_path.st_dev == sb.st_dev)
+ dir_blocks += dentp->blocks;
+ else
+ num_files = num_saved;
+ } else {
+ dentp->blocks = (cfg.apparentsz ? sb.st_size : sb.st_blocks);
+ dir_blocks += dentp->blocks;
+ ++num_files;
+ }
+ }
+
+ /* Flag if this is a symlink to a dir */
+ if (S_ISLNK(sb.st_mode))
+ if (!fstatat(fd, namep, &sb, 0)) {
+ if (S_ISDIR(sb.st_mode))
+ dentp->flags |= SYMLINK_TO_DIR;
+ else
+ dentp->flags &= ~SYMLINK_TO_DIR;
+ }
+
+ ++n;
+ }
+
+ /* Should never be null */
+ if (closedir(dirp) == -1) {
+ dentfree(*dents);
+ errexit();
+ }
+
+ return n;
+}
+
+/* Return the position of the matching entry or 0 otherwise */
+static int dentfind(struct entry *dents, const char *fname, int n)
+{
+ static int i;
+
+ if (!fname)
+ return 0;
+
+ DPRINTF_S(fname);
+
+ for (i = 0; i < n; ++i)
+ if (strcmp(fname, dents[i].name) == 0)
+ return i;
+
+ return 0;
+}
+
+static int populate(char *path, char *lastname, char *fltr)
+{
+ static regex_t re;
+
+ /* Can fail when permissions change while browsing.
+ * It's assumed that path IS a directory when we are here.
+ */
+ if (access(path, R_OK) == -1)
+ return -1;
+
+ /* Search filter */
+ if (setfilter(&re, fltr) != 0)
+ return -1;
+
+ if (cfg.blkorder) {
+ printmsg("calculating...");
+ refresh();
+ }
+
+#ifdef DEBUGMODE
+ struct timespec ts1, ts2;
+
+ clock_gettime(CLOCK_REALTIME, &ts1); /* Use CLOCK_MONOTONIC on FreeBSD */
+#endif
+
+ ndents = dentfill(path, &dents, visible, &re);
+ regfree(&re);
+ if (!ndents)
+ return 0;
+
+ qsort(dents, ndents, sizeof(*dents), entrycmp);
+
+#ifdef DEBUGMODE
+ clock_gettime(CLOCK_REALTIME, &ts2);
+ DPRINTF_U(ts2.tv_nsec - ts1.tv_nsec);
+#endif
+
+ /* Find cur from history */
+ cur = dentfind(dents, lastname, ndents);
+ return 0;
+}
+
+static void redraw(char *path)
+{
+ static char buf[NAME_MAX + 65] __attribute__ ((aligned));
+ static size_t ncols;
+ static int nlines, i;
+ static bool mode_changed;
+
+ mode_changed = FALSE;
+ nlines = MIN(LINES - 4, ndents);
+
+ /* Clear screen */
+ erase();
+ if (cfg.copymode)
+ if (g_crc != crc8fast((uchar *)dents, ndents * sizeof(struct entry))) {
+ cfg.copymode = 0;
+ DPRINTF_S("copymode off");
+ }
+
+ /* Fail redraw if < than 11 columns, context info prints 10 chars */
+ if (COLS < 11) {
+ printmsg("too few columns!");
+ return;
+ }
+
+ /* Strip trailing slashes */
+ for (i = strlen(path) - 1; i > 0; --i)
+ if (path[i] == '/')
+ path[i] = '\0';
+ else
+ break;
+
+ DPRINTF_D(cur);
+ DPRINTF_S(path);
+
+ if (!realpath(path, g_buf)) {
+ printwarn();
+ return;
+ }
+
+ ncols = COLS;
+ if (ncols > PATH_MAX)
+ ncols = PATH_MAX;
+
+ printw("[");
+ for (i = 0; i < MAX_CTX; ++i) {
+ /* Print current context in reverse */
+ if (cfg.curctx == i) {
+ attron(A_REVERSE);
+ printw("%d", i + 1);
+ attroff(A_REVERSE);
+ printw(" ");
+ } else if (g_ctx[i].c_cfg.ctxactive) {
+ attron(A_UNDERLINE);
+ printw("%d", i + 1);
+ attroff(A_UNDERLINE);
+ printw(" ");
+ } else
+ printw("%d ", i + 1);
+ }
+ printw("\b] "); /* 10 chars printed in total for contexts - "[1 2 3 4] " */
+
+ attron(A_UNDERLINE);
+ /* No text wrapping in cwd line */
+ g_buf[ncols - 11] = '\0';
+ printw("%s\n\n", g_buf);
+ attroff(A_UNDERLINE);
+
+ /* Fallback to light mode if less than 35 columns */
+ if (ncols < 35 && cfg.showdetail) {
+ cfg.showdetail ^= 1;
+ printptr = &printent;
+ mode_changed = TRUE;
+ }
+
+ /* Calculate the number of cols available to print entry name */
+ if (cfg.showdetail)
+ ncols -= 32;
+ else
+ ncols -= 5;
+
+ if (cfg.showcolor) {
+ attron(COLOR_PAIR(1) | A_BOLD);
+ cfg.dircolor = 1;
+ }
+
+ /* Print listing */
+ if (cur < (nlines >> 1)) {
+ for (i = 0; i < nlines; ++i)
+ printptr(&dents[i], i == cur, ncols);
+ } else if (cur >= ndents - (nlines >> 1)) {
+ for (i = ndents - nlines; i < ndents; ++i)
+ printptr(&dents[i], i == cur, ncols);
+ } else {
+ static int odd;
+
+ odd = ISODD(nlines);
+ nlines >>= 1;
+ for (i = cur - nlines; i < cur + nlines + odd; ++i)
+ printptr(&dents[i], i == cur, ncols);
+ }
+
+ /* Must reset e.g. no files in dir */
+ if (cfg.dircolor) {
+ attroff(COLOR_PAIR(1) | A_BOLD);
+ cfg.dircolor = 0;
+ }
+
+ if (cfg.showdetail) {
+ if (ndents) {
+ static char sort[9];
+
+ if (cfg.mtimeorder)
+ xstrlcpy(sort, "by time ", 9);
+ else if (cfg.sizeorder)
+ xstrlcpy(sort, "by size ", 9);
+ else
+ sort[0] = '\0';
+
+ /* We need to show filename as it may be truncated in directory listing */
+ if (!cfg.blkorder)
+ snprintf(buf, NAME_MAX + 65, "%d/%d %s[%s%s]",
+ cur + 1, ndents, sort, unescape(dents[cur].name, NAME_MAX), get_file_sym(dents[cur].mode));
+ else {
+ i = snprintf(buf, 64, "%d/%d ", cur + 1, ndents);
+
+ if (cfg.apparentsz)
+ buf[i++] = 'a';
+ else
+ buf[i++] = 'd';
+
+ i += snprintf(buf + i, 64, "u: %s (%lu files) ", coolsize(dir_blocks << BLK_SHIFT), num_files);
+ snprintf(buf + i, NAME_MAX, "vol: %s free [%s%s]",
+ coolsize(get_fs_info(path, FREE)), unescape(dents[cur].name, NAME_MAX), get_file_sym(dents[cur].mode));
+ }
+
+ printmsg(buf);
+ } else
+ printmsg("0 items");
+ }
+
+ if (mode_changed) {
+ cfg.showdetail ^= 1;
+ printptr = &printent_long;
+ }
+}
+
+static void browse(char *ipath)
+{
+ static char newpath[PATH_MAX] __attribute__ ((aligned));
+ static char mark[PATH_MAX] __attribute__ ((aligned));
+ char *path, *lastdir, *lastname, *hfltr;
+ char *dir, *tmp, *run = NULL, *env = NULL;
+ struct stat sb;
+ int r, fd, presel, ncp = 0, copystartid = 0, copyendid = 0;
+ enum action sel = SEL_RUNARG + 1;
+ bool dir_changed = FALSE;
+
+ /* setup first context */
+ xstrlcpy(g_ctx[0].c_path, ipath, PATH_MAX); /* current directory */
+ path = g_ctx[0].c_path;
+ xstrlcpy(g_ctx[0].c_init, ipath, PATH_MAX); /* start directory */
+ g_ctx[0].c_last[0] = g_ctx[0].c_name[0] = newpath[0] = mark[0] = '\0';
+ lastdir = g_ctx[0].c_last; /* last visited directory */
+ lastname = g_ctx[0].c_name; /* last visited filename */
+ g_ctx[0].c_cfg = cfg; /* current configuration */
+ initfilter(cfg.showhidden, g_ctx[0].c_fltr); /* Show hidden filter */
+ hfltr = g_ctx[0].c_fltr;
+
+ if (cfg.filtermode)
+ presel = FILTER;
+ else
+ presel = 0;
+
+ dents = xrealloc(dents, total_dents * sizeof(struct entry));
+ if (dents == NULL)
+ errexit();
+ DPRINTF_P(dents);
+
+ /* Allocate buffer to hold names */
+ pnamebuf = (char *)xrealloc(pnamebuf, NAMEBUF_INCR);
+ if (pnamebuf == NULL) {
+ free(dents);
+ errexit();
+ }
+ DPRINTF_P(pnamebuf);
+
+begin:
+#ifdef LINUX_INOTIFY
+ if ((presel == FILTER || dir_changed) && inotify_wd >= 0) {
+ inotify_rm_watch(inotify_fd, inotify_wd);
+ inotify_wd = -1;
+ dir_changed = FALSE;
+ }
+#elif defined(BSD_KQUEUE)
+ if ((presel == FILTER || dir_changed) && event_fd >= 0) {
+ close(event_fd);
+ event_fd = -1;
+ dir_changed = FALSE;
+ }
+#endif
+
+ if (populate(path, lastname, hfltr) == -1) {
+ printwarn();
+ goto nochange;
+ }
+
+#ifdef LINUX_INOTIFY
+ if (inotify_wd == -1)
+ inotify_wd = inotify_add_watch(inotify_fd, path, INOTIFY_MASK);
+#elif defined(BSD_KQUEUE)
+ if (event_fd == -1) {
+#if defined(O_EVTONLY)
+ event_fd = open(path, O_EVTONLY);
+#else
+ event_fd = open(path, O_RDONLY);
+#endif
+ if (event_fd >= 0)
+ EV_SET(&events_to_monitor[0], event_fd, EVFILT_VNODE, EV_ADD | EV_CLEAR, KQUEUE_FFLAGS, 0, path);
+ }
+#endif
+
+ for (;;) {
+ redraw(path);
+nochange:
+ /* Exit if parent has exited */
+ if (getppid() == 1)
+ _exit(0);
+
+ sel = nextsel(&run, &env, &presel);
+
+ switch (sel) {
+ case SEL_BACK:
+ /* There is no going back */
+ if (istopdir(path)) {
+ /* Continue in navigate-as-you-type mode, if enabled */
+ if (cfg.filtermode)
+ presel = FILTER;
+ goto nochange;
+ }
+
+ dir = xdirname(path);
+ if (access(dir, R_OK) == -1) {
+ printwarn();
+ goto nochange;
+ }
+
+ /* Save history */
+ xstrlcpy(lastname, xbasename(path), NAME_MAX + 1);
+
+ /* Save last working directory */
+ xstrlcpy(lastdir, path, PATH_MAX);
+
+ xstrlcpy(path, dir, PATH_MAX);
+
+ setdirwatch();
+ goto begin;
+ case SEL_GOIN:
+ /* Cannot descend in empty directories */
+ if (!ndents)
+ goto begin;
+
+ mkpath(path, dents[cur].name, newpath, PATH_MAX);
+ DPRINTF_S(newpath);
+
+ /* Get path info */
+ fd = open(newpath, O_RDONLY | O_NONBLOCK);
+ if (fd == -1) {
+ printwarn();
+ goto nochange;
+ }
+ if (fstat(fd, &sb) == -1) {
+ printwarn();
+ close(fd);
+ goto nochange;
+ }
+ close(fd);
+ DPRINTF_U(sb.st_mode);
+
+ switch (sb.st_mode & S_IFMT) {
+ case S_IFDIR:
+ if (access(newpath, R_OK) == -1) {
+ printwarn();
+ goto nochange;
+ }
+
+ /* Save last working directory */
+ xstrlcpy(lastdir, path, PATH_MAX);
+
+ xstrlcpy(path, newpath, PATH_MAX);
+ lastname[0] = '\0';
+ setdirwatch();
+ goto begin;
+ case S_IFREG:
+ {
+ /* If NNN_USE_EDITOR is set,
+ * open text in EDITOR
+ */
+ if (editor) {
+ if (getmime(dents[cur].name)) {
+ spawn(editor, newpath, NULL, path, F_NORMAL);
+ continue;
+ }
+
+ /* Recognize and open plain
+ * text files with vi
+ */
+ if (get_output(g_buf, MAX_CMD_LEN, "file", "-bi", newpath, 0) == NULL)
+ continue;
+
+ if (strstr(g_buf, "text/") == g_buf) {
+ spawn(editor, newpath, NULL, path, F_NORMAL);
+ continue;
+ }
+ }
+
+ /* Invoke desktop opener as last resort */
+ spawn(utils[OPENER], newpath, NULL, NULL, F_NOWAIT | F_NOTRACE);
+ continue;
+ }
+ default:
+ printmsg("unsupported file");
+ goto nochange;
+ }
+ case SEL_NEXT:
+ if (cur < ndents - 1)
+ ++cur;
+ else if (ndents)
+ /* Roll over, set cursor to first entry */
+ cur = 0;
+ break;
+ case SEL_PREV:
+ if (cur > 0)
+ --cur;
+ else if (ndents)
+ /* Roll over, set cursor to last entry */
+ cur = ndents - 1;
+ break;
+ case SEL_PGDN:
+ if (cur < ndents - 1)
+ cur += MIN((LINES - 4) / 2, ndents - 1 - cur);
+ break;
+ case SEL_PGUP:
+ if (cur > 0)
+ cur -= MIN((LINES - 4) / 2, cur);
+ break;
+ case SEL_HOME:
+ cur = 0;
+ break;
+ case SEL_END:
+ cur = ndents - 1;
+ break;
+ case SEL_CDHOME:
+ dir = getenv("HOME");
+ if (dir == NULL) {
+ clearprompt();
+ goto nochange;
+ } // fallthrough
+ case SEL_CDBEGIN:
+ if (sel == SEL_CDBEGIN)
+ dir = ipath;
+
+ if (!xdiraccess(dir))
+ goto nochange;
+
+ if (strcmp(path, dir) == 0)
+ break;
+
+ /* Save last working directory */
+ xstrlcpy(lastdir, path, PATH_MAX);
+
+ xstrlcpy(path, dir, PATH_MAX);
+ lastname[0] = '\0';
+ DPRINTF_S(path);
+ setdirwatch();
+ goto begin;
+ case SEL_CDLAST: // fallthrough
+ case SEL_VISIT:
+ if (sel == SEL_VISIT) {
+ if (strcmp(mark, path) == 0)
+ break;
+
+ tmp = mark;
+ } else
+ tmp = lastdir;
+
+ if (tmp[0] == '\0') {
+ printmsg("not set");
+ goto nochange;
+ }
+
+ if (!xdiraccess(tmp))
+ goto nochange;
+
+ xstrlcpy(newpath, tmp, PATH_MAX);
+ xstrlcpy(lastdir, path, PATH_MAX);
+ xstrlcpy(path, newpath, PATH_MAX);
+ lastname[0] = '\0';
+ DPRINTF_S(path);
+ setdirwatch();
+ goto begin;
+ case SEL_CDBM:
+ tmp = xreadline(NULL, "key: ", cfg.char_key);
+ if (tmp == NULL || tmp[0] == '\0')
+ break;
+
+ /* Interpret ~, - and & keys */
+ if (tmp[1] == '\0') {
+ switch (tmp[0]) {
+ case 'q':
+ case '~': //fallthrough
+ case '-': //fallthrough
+ case '&':
+ presel = tmp[0];
+ goto nochange;
+ case '>':
+ case '.':
+ case '<':
+ case ',':
+ r = cfg.curctx;
+ if (tmp[0] == '>' || tmp[0] == '.')
+ do
+ (r == MAX_CTX - 1) ? (r = 0) : ++r;
+ while (!g_ctx[r].c_cfg.ctxactive);
+ else
+ do
+ (r == 0) ? (r = MAX_CTX - 1) : --r;
+ while (!g_ctx[r].c_cfg.ctxactive); //fallthrough
+ tmp[0] = '1' + r; //fallthrough
+ case '1': //fallthrough
+ case '2': //fallthrough
+ case '3': //fallthrough
+ case '4':
+ r = tmp[0] - '1'; /* Save the next context id */
+ if (cfg.curctx == r)
+ continue;
+
+ g_crc = 0;
+
+ /* Save current context */
+ xstrlcpy(g_ctx[cfg.curctx].c_name, dents[cur].name, NAME_MAX + 1);
+ g_ctx[cfg.curctx].c_cfg = cfg;
+
+ if (g_ctx[r].c_cfg.ctxactive) /* Switch to saved context */
+ cfg = g_ctx[r].c_cfg;
+ else { /* Setup a new context from current context */
+ g_ctx[r].c_cfg.ctxactive = 1;
+ xstrlcpy(g_ctx[r].c_path, path, PATH_MAX);
+ xstrlcpy(g_ctx[r].c_init, path, PATH_MAX);
+ g_ctx[r].c_last[0] = '\0';
+ xstrlcpy(g_ctx[r].c_name, dents[cur].name, NAME_MAX + 1);
+ g_ctx[r].c_cfg = cfg;
+ xstrlcpy(g_ctx[r].c_fltr, hfltr, DOT_FILTER_LEN);
+ }
+
+ /* Reset the pointers */
+ path = g_ctx[r].c_path;
+ ipath = g_ctx[r].c_init;
+ lastdir = g_ctx[r].c_last;
+ lastname = g_ctx[r].c_name;
+ hfltr = g_ctx[r].c_fltr;
+
+ cfg.curctx = r;
+ setdirwatch();
+ goto begin;
+ }
+ }
+
+ if (get_bm_loc(tmp, newpath) == NULL) {
+ printmsg(messages[STR_INVBM_ID]);
+ goto nochange;
+ }
+
+ if (!xdiraccess(newpath))
+ goto nochange;
+
+ if (strcmp(path, newpath) == 0)
+ break;
+
+ lastname[0] = '\0';
+
+ /* Save last working directory */
+ xstrlcpy(lastdir, path, PATH_MAX);
+
+ /* Save the newly opted dir in path */
+ xstrlcpy(path, newpath, PATH_MAX);
+ DPRINTF_S(path);
+
+ setdirwatch();
+ goto begin;
+ case SEL_PIN:
+ xstrlcpy(mark, path, PATH_MAX);
+ printmsg(mark);
+ goto nochange;
+ case SEL_FLTR:
+ presel = filterentries(path);
+ /* Save current */
+ if (ndents)
+ copycurname();
+ goto nochange;
+ case SEL_MFLTR:
+ cfg.filtermode ^= 1;
+ if (cfg.filtermode) {
+ presel = FILTER;
+ goto nochange;
+ }
+
+ /* Save current */
+ if (ndents)
+ copycurname();
+
+ dir_changed = TRUE;
+ /* Start watching the directory */
+ goto begin;
+ case SEL_TOGGLEDOT:
+ cfg.showhidden ^= 1;
+ initfilter(cfg.showhidden, hfltr);
+ /* Save current */
+ if (ndents)
+ copycurname();
+ goto begin;
+ case SEL_DETAIL:
+ cfg.showdetail ^= 1;
+ cfg.showdetail ? (printptr = &printent_long) : (printptr = &printent);
+ /* Save current */
+ if (ndents)
+ copycurname();
+ goto begin;
+ case SEL_STATS:
+ if (!ndents)
+ break;
+
+ mkpath(path, dents[cur].name, newpath, PATH_MAX);
+
+ if (lstat(newpath, &sb) == -1) {
+ dentfree(dents);
+ errexit();
+ }
+
+ if (show_stats(newpath, dents[cur].name, &sb) < 0) {
+ printwarn();
+ goto nochange;
+ }
+ break;
+ case SEL_LIST: // fallthrough
+ case SEL_EXTRACT: // fallthrough
+ case SEL_MEDIA: // fallthrough
+ case SEL_FMEDIA:
+ if (!ndents)
+ break;
+
+ mkpath(path, dents[cur].name, newpath, PATH_MAX);
+
+ if (sel == SEL_MEDIA || sel == SEL_FMEDIA)
+ r = show_mediainfo(newpath, run);
+ else
+ r = handle_archive(newpath, run, path);
+
+ if (r == -1) {
+ xstrlcpy(newpath, "missing ", PATH_MAX);
+ if (sel == SEL_MEDIA || sel == SEL_FMEDIA)
+ xstrlcpy(newpath + 8, utils[cfg.metaviewer], 32);
+ else
+ xstrlcpy(newpath + 8, utils[ATOOL], 32);
+
+ printmsg(newpath);
+ goto nochange;
+ }
+
+ /* In case of successful archive extract, reload contents */
+ if (sel == SEL_EXTRACT) {
+ /* Continue in navigate-as-you-type mode, if enabled */
+ if (cfg.filtermode)
+ presel = FILTER;
+
+ /* Save current */
+ copycurname();
+
+ /* Repopulate as directory content may have changed */
+ goto begin;
+ }
+ break;
+ case SEL_FSIZE:
+ cfg.sizeorder ^= 1;
+ cfg.mtimeorder = 0;
+ cfg.apparentsz = 0;
+ cfg.blkorder = 0;
+ cfg.copymode = 0;
+ /* Save current */
+ if (ndents)
+ copycurname();
+ goto begin;
+ case SEL_ASIZE:
+ cfg.apparentsz ^= 1;
+ if (cfg.apparentsz) {
+ nftw_fn = &sum_sizes;
+ cfg.blkorder = 1;
+ BLK_SHIFT = 0;
+ } else
+ cfg.blkorder = 0; // fallthrough
+ case SEL_BSIZE:
+ if (sel == SEL_BSIZE) {
+ if (!cfg.apparentsz)
+ cfg.blkorder ^= 1;
+ nftw_fn = &sum_bsizes;
+ cfg.apparentsz = 0;
+ BLK_SHIFT = 9;
+ }
+
+ if (cfg.blkorder) {
+ cfg.showdetail = 1;
+ printptr = &printent_long;
+ }
+ cfg.mtimeorder = 0;
+ cfg.sizeorder = 0;
+ cfg.copymode = 0;
+ /* Save current */
+ if (ndents)
+ copycurname();
+ goto begin;
+ case SEL_MTIME:
+ cfg.mtimeorder ^= 1;
+ cfg.sizeorder = 0;
+ cfg.apparentsz = 0;
+ cfg.blkorder = 0;
+ cfg.copymode = 0;
+ /* Save current */
+ if (ndents)
+ copycurname();
+ goto begin;
+ case SEL_REDRAW:
+ /* Save current */
+ if (ndents)
+ copycurname();
+ goto begin;
+ case SEL_COPY:
+ if (!ndents)
+ goto nochange;
+
+ if (cfg.copymode) {
+ r = mkpath(path, dents[cur].name, newpath, PATH_MAX);
+ if (!appendfpath(newpath, r))
+ goto nochange;
+ ++ncp;
+ printmsg(newpath);
+ } else if (cfg.quote) {
+ g_buf[0] = '\'';
+ r = mkpath(path, dents[cur].name, g_buf + 1, PATH_MAX);
+ g_buf[r] = '\'';
+ g_buf[r + 1] = '\0';
+
+ if (!copier)
+ writecp(g_buf, r + 1); /* Truncate NULL from end */
+ else
+ spawn(copier, g_buf, NULL, NULL, F_NOTRACE);
+
+ g_buf[r] = '\0';
+ printmsg(g_buf + 1);
+ } else {
+ r = mkpath(path, dents[cur].name, newpath, PATH_MAX);
+ if (!copier)
+ writecp(newpath, r - 1); /* Truncate NULL from end */
+ else
+ spawn(copier, newpath, NULL, NULL, F_NOTRACE);
+ printmsg(newpath);
+ }
+ goto nochange;
+ case SEL_COPYMUL:
+ if (!ndents)
+ goto nochange;
+
+ cfg.copymode ^= 1;
+ if (cfg.copymode) {
+ g_crc = crc8fast((uchar *)dents, ndents * sizeof(struct entry));
+ copystartid = cur;
+ copybufpos = 0;
+ ncp = 0;
+ printmsg("multi-copy on");
+ DPRINTF_S("copymode on");
+ goto nochange;
+ }
+
+ if (!ncp) { /* Handle range selection */
+ if (cur < copystartid) {
+ copyendid = copystartid;
+ copystartid = cur;
+ } else
+ copyendid = cur;
+
+ if (copystartid < copyendid) {
+ for (r = copystartid; r <= copyendid; ++r)
+ if (!appendfpath(newpath, mkpath(path, dents[r].name, newpath, PATH_MAX)))
+ goto nochange;
+
+ snprintf(newpath, PATH_MAX, "%d files copied", copyendid - copystartid + 1);
+ printmsg(newpath);
+ }
+ }
+
+ if (copybufpos) { /* File path(s) written to the buffer */
+ if (!copier)
+ writecp(pcopybuf, copybufpos - 1); /* Truncate NULL from end */
+ else
+ spawn(copier, pcopybuf, NULL, NULL, F_NOTRACE);
+
+ if (ncp) { /* Some files cherry picked */
+ snprintf(newpath, PATH_MAX, "%d files copied", ncp);
+ printmsg(newpath);
+ }
+ } else
+ printmsg("multi-copy off");
+ goto nochange;
+ case SEL_COPYLIST:
+ if (cfg.copymode)
+ showcplist();
+ else
+ printmsg("multi-copy off");
+ goto nochange;
+ case SEL_QUOTE:
+ cfg.quote ^= 1;
+ DPRINTF_D(cfg.quote);
+ if (cfg.quote)
+ printmsg("quotes on");
+ else
+ printmsg("quotes off");
+ goto nochange;
+ case SEL_OPEN: // fallthrough
+ case SEL_ARCHIVE:
+ if (!ndents)
+ break; // fallthrough
+ case SEL_LAUNCH: // fallthrough
+ case SEL_NEW:
+ if (sel == SEL_OPEN)
+ tmp = xreadline(NULL, "open with: ", FALSE);
+ else if (sel == SEL_LAUNCH)
+ tmp = xreadline(NULL, "launch: ", FALSE);
+ else if (sel == SEL_ARCHIVE)
+ tmp = xreadline(dents[cur].name, "name: ", FALSE);
+ else
+ tmp = xreadline(NULL, "name: ", FALSE);
+
+ if (tmp == NULL || tmp[0] == '\0')
+ break;
+
+ /* Allow only relative, same dir paths */
+ if ((sel != SEL_LAUNCH) &&
+ (tmp[0] == '/' || strcmp(xbasename(tmp), tmp) != 0)) {
+ printmsg(messages[STR_INPUT_ID]);
+ goto nochange;
+ }
+
+ if (sel == SEL_OPEN) {
+ printprompt("press 'c' for cli mode");
+ cleartimeout();
+ r = getch();
+ settimeout();
+ if (r == 'c')
+ r = F_NORMAL;
+ else
+ r = F_NOWAIT | F_NOTRACE;
+
+ mkpath(path, dents[cur].name, newpath, PATH_MAX);
+ spawn(tmp, newpath, NULL, path, r);
+ continue;
+ }
+
+ if (sel == SEL_LAUNCH) {
+ uint args = 0;
+ char *ptr = tmp, *ptr1 = NULL, *ptr2 = NULL;
+
+ while (*ptr) {
+ if (*ptr == ' ') {
+ *ptr = '\0';
+ if (args == 0)
+ ptr1 = ptr + 1;
+ else if (args == 1)
+ ptr2 = ptr + 1;
+ else
+ break;
+
+ ++args;
+ }
+
+ ++ptr;
+ }
+
+ spawn(tmp, ptr1, ptr2, path, F_NOWAIT | F_NOTRACE);
+ break;
+ }
+
+ if (sel == SEL_ARCHIVE) {
+ /* newpath is used as temporary buffer */
+ if (!get_output(newpath, PATH_MAX, "which", utils[APACK], NULL, 0)) {
+ printmsg("apack missing");
+ continue;
+ }
+
+ spawn(utils[APACK], tmp, dents[cur].name, path, F_NORMAL);
+
+ /* Continue in navigate-as-you-type mode, if enabled */
+ if (cfg.filtermode)
+ presel = FILTER;
+
+ /* Save current */
+ copycurname();
+
+ /* Repopulate as directory content may have changed */
+ goto begin;
+ }
+
+ /* Open the descriptor to currently open directory */
+ fd = open(path, O_RDONLY | O_DIRECTORY);
+ if (fd == -1) {
+ printwarn();
+ goto nochange;
+ }
+
+ /* Check if another file with same name exists */
+ if (faccessat(fd, tmp, F_OK, AT_SYMLINK_NOFOLLOW) != -1) {
+ printmsg("entry exists");
+ goto nochange;
+ }
+
+ /* Check if it's a dir or file */
+ printprompt("press 'f'(ile) or 'd'(ir)");
+ cleartimeout();
+ r = getch();
+ settimeout();
+ if (r == 'f') {
+ r = openat(fd, tmp, O_CREAT, 0666);
+ close(r);
+ } else if (r == 'd')
+ r = mkdirat(fd, tmp, 0777);
+ else {
+ close(fd);
+ break;
+ }
+
+ if (r == -1) {
+ printwarn();
+ close(fd);
+ goto nochange;
+ }
+
+ close(fd);
+ xstrlcpy(lastname, tmp, NAME_MAX + 1);
+ goto begin;
+ case SEL_RENAME:
+ if (!ndents)
+ break;
+
+ tmp = xreadline(dents[cur].name, "", FALSE);
+ if (tmp == NULL || tmp[0] == '\0')
+ break;
+
+ /* Allow only relative, same dir paths */
+ if (tmp[0] == '/' || strcmp(xbasename(tmp), tmp) != 0) {
+ printmsg(messages[STR_INPUT_ID]);
+ goto nochange;
+ }
+
+ /* Skip renaming to same name */
+ if (strcmp(tmp, dents[cur].name) == 0)
+ break;
+
+ /* Open the descriptor to currently open directory */
+ fd = open(path, O_RDONLY | O_DIRECTORY);
+ if (fd == -1) {
+ printwarn();
+ goto nochange;
+ }
+
+ /* Check if another file with same name exists */
+ if (faccessat(fd, tmp, F_OK, AT_SYMLINK_NOFOLLOW) != -1) {
+ /* File with the same name exists */
+ printprompt("press 'y' to overwrite");
+ cleartimeout();
+ r = getch();
+ settimeout();
+ if (r != 'y') {
+ close(fd);
+ break;
+ }
+ }
+
+ /* Rename the file */
+ if (renameat(fd, dents[cur].name, fd, tmp) != 0) {
+ printwarn();
+ close(fd);
+ goto nochange;
+ }
+
+ close(fd);
+ xstrlcpy(lastname, tmp, NAME_MAX + 1);
+ goto begin;
+ case SEL_RENAMEALL:
+ if (!get_output(g_buf, MAX_CMD_LEN, "which", utils[VIDIR], NULL, 0)) {
+ printmsg("vidir missing");
+ goto nochange;
+ }
+
+ spawn(utils[VIDIR], ".", NULL, path, F_NORMAL);
+
+ /* Save current */
+ if (ndents)
+ copycurname();
+ goto begin;
+ case SEL_HELP:
+ show_help(path);
+
+ /* Continue in navigate-as-you-type mode, if enabled */
+ if (cfg.filtermode)
+ presel = FILTER;
+ break;
+ case SEL_RUN: // fallthrough
+ case SEL_RUNSCRIPT:
+ run = xgetenv(env, run);
+
+ if (sel == SEL_RUNSCRIPT) {
+ tmp = getenv("NNN_SCRIPT");
+ if (tmp) {
+ if (getenv("NNN_MULTISCRIPT")) {
+ size_t _len = xstrlcpy(newpath, tmp, PATH_MAX);
+
+ tmp = xreadline(NULL, "script suffix: ", FALSE);
+ if (tmp && tmp[0])
+ xstrlcpy(newpath + _len - 1, tmp, PATH_MAX - _len);
+
+ tmp = newpath;
+ }
+
+ char *curfile = NULL;
+
+ if (ndents)
+ curfile = dents[cur].name;
+
+ spawn(run, tmp, curfile, path, F_NORMAL | F_SIGINT);
+ } else
+ printmsg("set NNN_SCRIPT");
+ } else {
+ spawn(run, NULL, NULL, path, F_NORMAL | F_MARKER);
+
+ /* Continue in navigate-as-you-type mode, if enabled */
+ if (cfg.filtermode)
+ presel = FILTER;
+ }
+
+ /* Save current */
+ if (ndents)
+ copycurname();
+
+ /* Repopulate as directory content may have changed */
+ goto begin;
+ case SEL_RUNARG:
+ run = xgetenv(env, run);
+ if ((!run || !run[0]) && (strcmp("VISUAL", env) == 0))
+ run = editor ? editor : xgetenv("EDITOR", "vi");
+ spawn(run, dents[cur].name, NULL, path, F_NORMAL);
+ break;
+ case SEL_LOCK:
+ spawn(utils[LOCKER], NULL, NULL, NULL, F_NORMAL | F_SIGINT);
+ break;
+ case SEL_QUITCTX:
+ {
+ uint iter = 1;
+ r = cfg.curctx;
+ while (iter < MAX_CTX) {
+ (r == MAX_CTX - 1) ? (r = 0) : ++r;
+ if (g_ctx[r].c_cfg.ctxactive) {
+ g_ctx[cfg.curctx].c_cfg.ctxactive = 0;
+
+ /* Switch to next active context */
+ path = g_ctx[r].c_path;
+ ipath = g_ctx[r].c_init;
+ lastdir = g_ctx[r].c_last;
+ lastname = g_ctx[r].c_name;
+ cfg = g_ctx[r].c_cfg;
+ hfltr = g_ctx[r].c_fltr;
+
+ cfg.curctx = r;
+ setdirwatch();
+ goto begin;
+ }
+
+ ++iter;
+ }
+
+ dentfree(dents);
+ return;
+ }
+ case SEL_CDQUIT:
+ {
+ tmp = getenv("NNN_TMPFILE");
+ if (!tmp) {
+ printmsg("set NNN_TMPFILE");
+ goto nochange;
+ }
+
+ FILE *fp = fopen(tmp, "w");
+
+ if (fp) {
+ fprintf(fp, "cd \"%s\"", path);
+ fclose(fp);
+ }
+
+ /* Fall through to exit */
+ } // fallthrough
+ case SEL_QUIT:
+ dentfree(dents);
+ return;
+ } /* switch (sel) */
+
+ /* Screensaver */
+ if (idletimeout != 0 && idle == idletimeout) {
+ idle = 0;
+ spawn(utils[LOCKER], NULL, NULL, NULL, F_NORMAL | F_SIGINT);
+ }
+ }
+}
+
+static void usage(void)
+{
+ fprintf(stdout,
+ "usage: nnn [-b key] [-c N] [-e] [-i] [-l]\n"
+ " [-S] [-v] [-h] [PATH]\n\n"
+ "The missing terminal file manager for X.\n\n"
+ "positional args:\n"
+ " PATH start dir [default: current dir]\n\n"
+ "optional args:\n"
+ " -b key bookmark key to open\n"
+ " -c N dir color, disables if N>7\n"
+ " -e use exiftool instead of mediainfo\n"
+ " -i start in navigate-as-you-type mode\n"
+ " -l start in light mode\n"
+ " -S start in disk usage analyser mode\n"
+ " -v show program version\n"
+ " -h show this help\n\n"
+ "Version: %s\n%s\n", VERSION, GENERAL_INFO);
+ exit(0);
+}
+
+int main(int argc, char *argv[])
+{
+ static char cwd[PATH_MAX] __attribute__ ((aligned));
+ char *ipath = NULL;
+ int opt;
+
+ /* Confirm we are in a terminal */
+ if (!isatty(0) || !isatty(1)) {
+ fprintf(stderr, "stdin or stdout is not a tty\n");
+ exit(1);
+ }
+
+ while ((opt = getopt(argc, argv, "Slib:c:evh")) != -1) {
+ switch (opt) {
+ case 'S':
+ cfg.blkorder = 1;
+ nftw_fn = sum_bsizes;
+ break;
+ case 'l':
+ cfg.showdetail = 0;
+ printptr = &printent;
+ break;
+ case 'i':
+ cfg.filtermode = 1;
+ break;
+ case 'b':
+ ipath = optarg;
+ break;
+ case 'c':
+ if (atoi(optarg) > 7)
+ cfg.showcolor = 0;
+ else
+ cfg.color = (uchar)atoi(optarg);
+ break;
+ case 'e':
+ cfg.metaviewer = EXIFTOOL;
+ break;
+ case 'v':
+ fprintf(stdout, "%s\n", VERSION);
+ return 0;
+ case 'h': // fallthrough
+ default:
+ usage();
+ }
+ }
+
+ /* Parse bookmarks string */
+ parsebmstr();
+
+ if (ipath) { /* Open a bookmark directly */
+ if (get_bm_loc(ipath, cwd) == NULL) {
+ fprintf(stderr, "%s\n", messages[STR_INVBM_ID]);
+ exit(1);
+ }
+
+ ipath = cwd;
+ } else if (argc == optind) {
+ /* Start in the current directory */
+ ipath = getcwd(cwd, PATH_MAX);
+ if (ipath == NULL)
+ ipath = "/";
+ } else {
+ ipath = realpath(argv[optind], cwd);
+ if (!ipath) {
+ fprintf(stderr, "%s: no such dir\n", argv[optind]);
+ exit(1);
+ }
+ }
+
+ /* Increase current open file descriptor limit */
+ open_max = max_openfds();
+
+ if (getuid() == 0 || getenv("NNN_SHOW_HIDDEN"))
+ cfg.showhidden = 1;
+
+#ifdef LINUX_INOTIFY
+ /* Initialize inotify */
+ inotify_fd = inotify_init1(IN_NONBLOCK);
+ if (inotify_fd < 0) {
+ fprintf(stderr, "inotify init! %s\n", strerror(errno));
+ exit(1);
+ }
+#elif defined(BSD_KQUEUE)
+ kq = kqueue();
+ if (kq < 0) {
+ fprintf(stderr, "kqueue init! %s\n", strerror(errno));
+ exit(1);
+ }
+#endif
+
+ /* Edit text in EDITOR, if opted */
+ if (getenv("NNN_USE_EDITOR")) {
+ editor = xgetenv("VISUAL", NULL);
+ if (!editor)
+ editor = xgetenv("EDITOR", "vi");
+ }
+
+ /* Get screensaver wait time, if set; copier used as tmp var */
+ copier = getenv("NNN_IDLE_TIMEOUT");
+ if (copier) {
+ opt = atoi(copier);
+ idletimeout = opt * ((opt > 0) - (opt < 0));
+ }
+
+ /* Get the default copier, if set */
+ copier = getenv("NNN_COPIER");
+
+ /* Enable quotes if opted */
+ if (getenv("NNN_QUOTE_ON"))
+ cfg.quote = 1;
+
+ if (getenv("HOME"))
+ g_tmpfplen = xstrlcpy(g_tmpfpath, getenv("HOME"), MAX_HOME_LEN);
+ else if (getenv("TMPDIR"))
+ g_tmpfplen = xstrlcpy(g_tmpfpath, getenv("TMPDIR"), MAX_HOME_LEN);
+ else if (xdiraccess("/tmp"))
+ g_tmpfplen = xstrlcpy(g_tmpfpath, "/tmp", MAX_HOME_LEN);
+
+ /* Check if X11 is available */
+ if (!copier && g_tmpfplen) {
+ xstrlcpy(g_cppath, g_tmpfpath, MAX_HOME_LEN);
+ xstrlcpy(g_cppath + g_tmpfplen - 1, "/.nnncp", MAX_HOME_LEN - g_tmpfplen);
+ }
+
+ /* Disable auto-select if opted */
+ if (getenv("NNN_NO_AUTOSELECT"))
+ cfg.autoselect = 0;
+
+ signal(SIGINT, SIG_IGN);
+
+ /* Test initial path */
+ if (!xdiraccess(ipath)) {
+ fprintf(stderr, "%s: %s\n", ipath, strerror(errno));
+ exit(1);
+ }
+
+ /* Set locale */
+ setlocale(LC_ALL, "");
+ crc8init();
+
+#ifdef DEBUGMODE
+ enabledbg();
+#endif
+ initcurses();
+ browse(ipath);
+ exitcurses();
+
+ if (g_cppath[0])
+ unlink(g_cppath);
+
+#ifdef LINUX_INOTIFY
+ /* Shutdown inotify */
+ if (inotify_wd >= 0)
+ inotify_rm_watch(inotify_fd, inotify_wd);
+ close(inotify_fd);
+#elif defined(BSD_KQUEUE)
+ if (event_fd >= 0)
+ close(event_fd);
+ close(kq);
+#endif
+
+#ifdef DEBUGMODE
+ disabledbg();
+#endif
+ exit(0);
+}