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Fix #36: uneven splitting of codepoints
Check if the number of columns needed to print name exceeds the number of cols. If it does, split the name str at the max number of columns available for name. Conversion to wide char ensures the split is done at a valid codepoint. The current patch adds some optimization as well: - No more copying to an intermediate (global) string. - If the name is shortened, escape chars are replaced only till the terminator.
This commit is contained in:
Arun Prakash Jana
parent
2e33c577b1
commit
1e5a0b8c5b
77
nnn.c
77
nnn.c
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@ -1160,19 +1160,28 @@ readinput(void)
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/*
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* Replace escape characters in a string with '?'
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* Adjust string length to maxcols if > 0;
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*/
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static char *
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unescape(const char *str)
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unescape(const char *str, uint maxcols)
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{
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static char buffer[PATH_MAX];
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static wchar_t wbuf[PATH_MAX];
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static wchar_t *buf;
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static size_t len, width;
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buffer[0] = '\0';
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buf = wbuf;
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/* Convert multi-byte to wide char */
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mbstowcs(wbuf, str, PATH_MAX);
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len = mbstowcs(wbuf, str, PATH_MAX);
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if (maxcols) {
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width = wcswidth(wbuf, len);
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if (width > maxcols)
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wbuf[maxcols] = 0;
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}
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while (*buf) {
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if (*buf <= '\x1f' || *buf == '\x7f')
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@ -1190,32 +1199,33 @@ static void
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printent(struct entry *ent, int sel)
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{
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static int ncols;
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static char *pname;
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if (PATH_MAX + 16 < COLS)
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ncols = PATH_MAX + 16;
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else
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ncols = COLS;
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pname = unescape(ent->name, ncols - 5);
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if (S_ISDIR(ent->mode))
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snprintf(g_buf, ncols, "%s%s/", CURSYM(sel), unescape(ent->name));
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printw("%s%s/\n", CURSYM(sel), pname);
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else if (S_ISLNK(ent->mode))
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snprintf(g_buf, ncols, "%s%s@", CURSYM(sel), unescape(ent->name));
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printw("%s%s@\n", CURSYM(sel), pname);
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else if (S_ISSOCK(ent->mode))
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snprintf(g_buf, ncols, "%s%s=", CURSYM(sel), unescape(ent->name));
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printw("%s%s=\n", CURSYM(sel), pname);
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else if (S_ISFIFO(ent->mode))
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snprintf(g_buf, ncols, "%s%s|", CURSYM(sel), unescape(ent->name));
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printw("%s%s|\n", CURSYM(sel), pname);
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else if (ent->mode & 0100)
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snprintf(g_buf, ncols, "%s%s*", CURSYM(sel), unescape(ent->name));
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printw("%s%s*\n", CURSYM(sel), pname);
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else
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snprintf(g_buf, ncols, "%s%s", CURSYM(sel), unescape(ent->name));
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printw("%s%s\n", CURSYM(sel), pname);
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/* Dirs are always shown on top */
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if (cfg.dircolor && !S_ISDIR(ent->mode)) {
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attroff(COLOR_PAIR(1) | A_BOLD);
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cfg.dircolor = 0;
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}
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printw("%s\n", g_buf);
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}
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static char *
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@ -1246,7 +1256,7 @@ static void
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printent_long(struct entry *ent, int sel)
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{
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static int ncols;
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static char buf[18];
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static char buf[18], *pname;
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if (PATH_MAX + 32 < COLS)
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ncols = PATH_MAX + 32;
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@ -1254,44 +1264,45 @@ printent_long(struct entry *ent, int sel)
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ncols = COLS;
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strftime(buf, 18, "%d-%m-%Y %H:%M", localtime(&ent->t));
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pname = unescape(ent->name, ncols - 32);
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if (sel)
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attron(A_REVERSE);
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if (!cfg.blkorder) {
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if (S_ISDIR(ent->mode))
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snprintf(g_buf, ncols, "%s%-16.16s / %s/", CURSYM(sel), buf, unescape(ent->name));
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printw("%s%-16.16s / %s/\n", CURSYM(sel), buf, pname);
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else if (S_ISLNK(ent->mode))
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snprintf(g_buf, ncols, "%s%-16.16s @ %s@", CURSYM(sel), buf, unescape(ent->name));
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printw("%s%-16.16s @ %s@\n", CURSYM(sel), buf, pname);
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else if (S_ISSOCK(ent->mode))
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snprintf(g_buf, ncols, "%s%-16.16s = %s=", CURSYM(sel), buf, unescape(ent->name));
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printf("%s%-16.16s = %s=\n", CURSYM(sel), buf, pname);
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else if (S_ISFIFO(ent->mode))
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snprintf(g_buf, ncols, "%s%-16.16s | %s|", CURSYM(sel), buf, unescape(ent->name));
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printw("%s%-16.16s | %s|\n", CURSYM(sel), buf, pname);
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else if (S_ISBLK(ent->mode))
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snprintf(g_buf, ncols, "%s%-16.16s b %s", CURSYM(sel), buf, unescape(ent->name));
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printw("%s%-16.16s b %s\n", CURSYM(sel), buf, pname);
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else if (S_ISCHR(ent->mode))
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snprintf(g_buf, ncols, "%s%-16.16s c %s", CURSYM(sel), buf, unescape(ent->name));
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printw("%s%-16.16s c %s\n", CURSYM(sel), buf, pname);
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else if (ent->mode & 0100)
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snprintf(g_buf, ncols, "%s%-16.16s %8.8s* %s*", CURSYM(sel), buf, coolsize(ent->size), unescape(ent->name));
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printw("%s%-16.16s %8.8s* %s*\n", CURSYM(sel), buf, coolsize(ent->size), pname);
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else
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snprintf(g_buf, ncols, "%s%-16.16s %8.8s %s", CURSYM(sel), buf, coolsize(ent->size), unescape(ent->name));
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printw("%s%-16.16s %8.8s %s\n", CURSYM(sel), buf, coolsize(ent->size), pname);
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} else {
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if (S_ISDIR(ent->mode))
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snprintf(g_buf, ncols, "%s%-16.16s %8.8s/ %s/", CURSYM(sel), buf, coolsize(ent->blocks << 9), unescape(ent->name));
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printw("%s%-16.16s %8.8s/ %s/\n", CURSYM(sel), buf, coolsize(ent->blocks << 9), pname);
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else if (S_ISLNK(ent->mode))
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snprintf(g_buf, ncols, "%s%-16.16s @ %s@", CURSYM(sel), buf, unescape(ent->name));
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printw("%s%-16.16s @ %s@\n", CURSYM(sel), buf, pname);
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else if (S_ISSOCK(ent->mode))
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snprintf(g_buf, ncols, "%s%-16.16s = %s=", CURSYM(sel), buf, unescape(ent->name));
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printw("%s%-16.16s = %s=\n", CURSYM(sel), buf, pname);
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else if (S_ISFIFO(ent->mode))
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snprintf(g_buf, ncols, "%s%-16.16s | %s|", CURSYM(sel), buf, unescape(ent->name));
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printw("%s%-16.16s | %s|\n", CURSYM(sel), buf, pname);
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else if (S_ISBLK(ent->mode))
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snprintf(g_buf, ncols, "%s%-16.16s b %s", CURSYM(sel), buf, unescape(ent->name));
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printw("%s%-16.16s b %s\n", CURSYM(sel), buf, pname);
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else if (S_ISCHR(ent->mode))
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snprintf(g_buf, ncols, "%s%-16.16s c %s", CURSYM(sel), buf, unescape(ent->name));
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printw("%s%-16.16s c %s\n", CURSYM(sel), buf, pname);
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else if (ent->mode & 0100)
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snprintf(g_buf, ncols, "%s%-16.16s %8.8s* %s*", CURSYM(sel), buf, coolsize(ent->blocks << 9), unescape(ent->name));
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printw("%s%-16.16s %8.8s* %s*\n", CURSYM(sel), buf, coolsize(ent->blocks << 9), pname);
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else
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snprintf(g_buf, ncols, "%s%-16.16s %8.8s %s", CURSYM(sel), buf, coolsize(ent->blocks << 9), unescape(ent->name));
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printw("%s%-16.16s %8.8s %s\n", CURSYM(sel), buf, coolsize(ent->blocks << 9), pname);
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}
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/* Dirs are always shown on top */
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@ -1300,8 +1311,6 @@ printent_long(struct entry *ent, int sel)
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cfg.dircolor = 0;
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}
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printw("%s\n", g_buf);
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if (sel)
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attroff(A_REVERSE);
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}
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@ -1473,12 +1482,12 @@ show_stats(char *fpath, char *fname, struct stat *sb)
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if (len != -1) {
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g_buf[len] = '\0';
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dprintf(fd, " File: '%s' -> ", unescape(fname));
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dprintf(fd, "'%s'", unescape(g_buf));
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dprintf(fd, " File: '%s' -> ", unescape(fname, 0));
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dprintf(fd, "'%s'", unescape(g_buf, 0));
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xstrlcpy(g_buf, "symbolic link", MAX_CMD_LEN);
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}
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} else
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dprintf(fd, " File: '%s'", unescape(fname));
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dprintf(fd, " File: '%s'", unescape(fname, 0));
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/* Show size, blocks, file type */
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#ifdef __APPLE__
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@ -2007,10 +2016,10 @@ redraw(char *path)
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* be truncated in directory listing
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*/
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if (!cfg.blkorder)
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sprintf(g_buf, "total %d %s[%s%s]", ndents, sort, unescape(dents[cur].name), ind);
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sprintf(g_buf, "total %d %s[%s%s]", ndents, sort, unescape(dents[cur].name, 0), ind);
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else {
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i = sprintf(g_buf, "du: %s (%lu files) ", coolsize(dir_blocks << 9), num_files);
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sprintf(g_buf + i, "vol: %s free [%s%s]", coolsize(get_fs_free(path)), unescape(dents[cur].name), ind);
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sprintf(g_buf + i, "vol: %s free [%s%s]", coolsize(get_fs_free(path)), unescape(dents[cur].name, 0), ind);
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}
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printmsg(g_buf);
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