mirror of https://github.com/jarun/nnn.git
Use stat to show file details
This commit is contained in:
Arun Prakash Jana
parent
df7c023dca
commit
764c1fe60c
170
src/nnn.c
170
src/nnn.c
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@ -70,14 +70,12 @@
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#include <dirent.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <grp.h>
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#include <libgen.h>
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#include <limits.h>
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#ifdef __gnu_hurd__
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#define PATH_MAX 4096
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#endif
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#include <locale.h>
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#include <pwd.h>
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#include <stdio.h>
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#ifndef NORL
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#include <readline/history.h>
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@ -2064,73 +2062,6 @@ static void printent_long(const struct entry *ent, int sel, uint namecols)
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static void (*printptr)(const struct entry *ent, int sel, uint namecols) = &printent_long;
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static char get_fileind(char *desc, mode_t mode)
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{
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char c;
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switch (mode & S_IFMT) {
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case S_IFREG:
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c = '-';
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xstrlcpy(desc, "regular file", DESCRIPTOR_LEN);
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if (mode & 0100)
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/* Length of string "regular file" is 12 */
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xstrlcpy(desc + 12, ", executable", DESCRIPTOR_LEN - 12);
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break;
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case S_IFDIR:
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c = 'd';
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xstrlcpy(desc, "directory", DESCRIPTOR_LEN);
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break;
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case S_IFLNK:
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c = 'l';
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xstrlcpy(desc, "symbolic link", DESCRIPTOR_LEN);
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break;
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case S_IFSOCK:
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c = 's';
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xstrlcpy(desc, "socket", DESCRIPTOR_LEN);
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break;
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case S_IFIFO:
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c = 'p';
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xstrlcpy(desc, "FIFO", DESCRIPTOR_LEN);
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break;
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case S_IFBLK:
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c = 'b';
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xstrlcpy(desc, "block special device", DESCRIPTOR_LEN);
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break;
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case S_IFCHR:
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c = 'c';
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xstrlcpy(desc, "character special device", DESCRIPTOR_LEN);
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break;
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default:
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/* Unknown type -- possibly a regular file? */
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c = '?';
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desc[0] = '\0';
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break;
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}
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return c;
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}
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/* Convert a mode field into "ls -l" type perms field. */
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static char *get_lsperms(char *desc, mode_t mode)
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{
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static const char * const rwx[] = {"---", "--x", "-w-", "-wx", "r--", "r-x", "rw-", "rwx"};
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static char bits[11] = {'\0'};
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bits[0] = get_fileind(desc, mode);
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xstrlcpy(&bits[1], rwx[(mode >> 6) & 7], 4);
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xstrlcpy(&bits[4], rwx[(mode >> 3) & 7], 4);
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xstrlcpy(&bits[7], rwx[(mode & 7)], 4);
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if (mode & S_ISUID)
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bits[3] = (mode & 0100) ? 's' : 'S'; /* user executable */
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if (mode & S_ISGID)
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bits[6] = (mode & 0010) ? 's' : 'l'; /* group executable */
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if (mode & S_ISVTX)
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bits[9] = (mode & 0001) ? 't' : 'T'; /* others executable */
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return bits;
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}
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/*
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* Gets only a single line (that's what we need
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* for now) or shows full command output in pager.
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@ -2210,34 +2141,14 @@ static bool getutil(const char *util)
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return TRUE;
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}
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static char *xgetpwuid(uid_t uid)
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{
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const struct passwd *pwd = getpwuid(uid);
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if (!pwd)
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return utils[UNKNOWN];
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return pwd->pw_name;
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}
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static char *xgetgrgid(gid_t gid)
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{
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const struct group *grp = getgrgid(gid);
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if (!grp)
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return utils[UNKNOWN];
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return grp->gr_name;
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}
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/*
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* Follows the stat(1) output closely
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*/
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static bool show_stats(const char *fpath, const char *fname, const struct stat *sb)
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{
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char desc[DESCRIPTOR_LEN];
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const char *perms = get_lsperms(desc, sb->st_mode);
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int fd;
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char *p, *begin = g_buf;
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FILE *fp;
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if (g_tmpfpath[0])
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xstrlcpy(g_tmpfpath + g_tmpfplen - 1, messages[STR_TMPFILE],
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@ -2247,75 +2158,20 @@ static bool show_stats(const char *fpath, const char *fname, const struct stat *
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return FALSE;
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}
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int fd = mkstemp(g_tmpfpath);
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fd = mkstemp(g_tmpfpath);
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if (fd == -1)
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return FALSE;
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dprintf(fd, " File: '%s'", unescape(fname, 0));
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xstrlcpy(g_buf, "stat ", 6);
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xstrlcpy(g_buf + 5, fpath, PATH_MAX);
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/* Show file name or 'symlink' -> 'target' */
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if (perms[0] == 'l') {
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/* Note that CMD_LEN_MAX > PATH_MAX */
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ssize_t len = readlink(fpath, g_buf, CMD_LEN_MAX);
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if (len != -1) {
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struct stat tgtsb;
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if (!stat(fpath, &tgtsb) && S_ISDIR(tgtsb.st_mode))
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g_buf[len++] = '/';
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g_buf[len] = '\0';
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/*
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* We pass g_buf but unescape() operates on g_buf too!
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* Read the API notes for information on how this works.
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*/
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dprintf(fd, " -> '%s'", unescape(g_buf, 0));
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}
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fp = popen(g_buf, "r");
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if (fp != NULL) {
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while (fgets(g_buf, CMD_LEN_MAX - 1, fp) != NULL)
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dprintf(fd, "%s", g_buf);
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pclose(fp);
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}
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/* Show size, blocks, file type */
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#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
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dprintf(fd, "\n Size: %-15lld Blocks: %-10lld IO Block: %-6d %s",
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(long long)sb->st_size, (long long)sb->st_blocks, sb->st_blksize, desc);
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#else
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dprintf(fd, "\n Size: %-15ld Blocks: %-10ld IO Block: %-6ld %s",
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sb->st_size, sb->st_blocks, (long)sb->st_blksize, desc);
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#endif
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/* Show containing device, inode, hardlink count */
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snprintf(g_buf, 32, "%lxh/%lud", (ulong)sb->st_dev, (ulong)sb->st_dev);
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#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
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dprintf(fd, "\n Device: %-15s Inode: %-11llu Links: %-9hu",
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g_buf, (unsigned long long)sb->st_ino, sb->st_nlink);
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#else
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dprintf(fd, "\n Device: %-15s Inode: %-11lu Links: %-9lu",
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g_buf, sb->st_ino, (ulong)sb->st_nlink);
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#endif
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/* Show major, minor number for block or char device */
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if (perms[0] == 'b' || perms[0] == 'c')
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dprintf(fd, " Device type: %x,%x", major(sb->st_rdev), minor(sb->st_rdev));
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/* Show permissions, owner, group */
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dprintf(fd, "\n Access: 0%d%d%d/%s Uid: (%u/%s) Gid: (%u/%s)",
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(sb->st_mode >> 6) & 7, (sb->st_mode >> 3) & 7,
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sb->st_mode & 7, perms, sb->st_uid, xgetpwuid(sb->st_uid),
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sb->st_gid, xgetgrgid(sb->st_gid));
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/* Show last access time */
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strftime(g_buf, 40, messages[STR_DATE_ID], localtime(&sb->st_atime));
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dprintf(fd, "\n\n Access: %s", g_buf);
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/* Show last modification time */
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strftime(g_buf, 40, messages[STR_DATE_ID], localtime(&sb->st_mtime));
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dprintf(fd, "\n Modify: %s", g_buf);
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/* Show last status change time */
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strftime(g_buf, 40, messages[STR_DATE_ID], localtime(&sb->st_ctime));
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dprintf(fd, "\n Change: %s", g_buf);
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if (S_ISREG(sb->st_mode)) {
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/* Show file(1) output */
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p = get_output(g_buf, CMD_LEN_MAX, "file", "-b", fpath, FALSE);
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@ -2332,11 +2188,9 @@ static bool show_stats(const char *fpath, const char *fname, const struct stat *
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}
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dprintf(fd, " %s", begin);
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}
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}
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dprintf(fd, "\n\n");
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} else
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dprintf(fd, "\n\n\n");
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dprintf(fd, "\n\n");
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close(fd);
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spawn(pager, pager_arg, g_tmpfpath, NULL, F_NORMAL);
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