Round 3 of remove unused functions from src/libudev/{conf-files,hashmap,util}

The following functions were removed:
  strv_env_get_n
  strv_env_get
  conf_files_list
  hashmap_remove
  hashmap_move
  log_dump_internal
  parse_uid
  read_full_file
  strstrip
  file_in_same_dir
  cunescape
  cunescape_length
  cunescape_length_with_prefix
  xescape
  dirent_is_file
  close_all_fds
  read_one_char
  ask
  reset_terminal_fd
  reset_terminal
  flush_fd
  loop_read
  get_ctty_devnr
  get_ctty
  rm_rf_children
  rm_rf_children_dangerous
  rm_rf
  status_vprintf
  fd_columns
  columns
  fd_lines
  lines
  on_tty
  ellipsize
  ellipsize_mem
  touch
  unquote
  resolve_dev_console
  tty_is_vc
  vtnr_from_tty
  terminal_vhangup_fd
  terminal_vhangup
  file_is_priv_sticky
  signal_from_string
  fd_wait_for_event
  memdup
  memdup_multiply

Signed-off-by: Anthony G. Basile <blueness@gentoo.org>

1 files changed, 0 insertions, 1282 deletions

diff --git a/src/libudev/util.c b/src/libudev/util.c
index 48469e6e34..dc1641c3bc 100644
--- a/src/libudev/util.c
+++ b/src/libudev/util.c
@@ -70,7 +70,6 @@
 #include "path-util.h"
 #include "exit-status.h"
 #include "hashmap.h"
-#include "env-util.h"
 
 int saved_argc = 0;
 char **saved_argv = NULL;
@@ -197,27 +196,6 @@ void close_nointr_nofail(int fd) {
         assert_se(close_nointr(fd) == 0);
 }
 
-int parse_uid(const char *s, uid_t* ret_uid) {
-        unsigned long ul = 0;
-        uid_t uid;
-        int r;
-
-        assert(s);
-        assert(ret_uid);
-
-        r = safe_atolu(s, &ul);
-        if (r < 0)
-                return r;
-
-        uid = (uid_t) ul;
-
-        if ((unsigned long) uid != ul)
-                return -ERANGE;
-
-        *ret_uid = uid;
-        return 0;
-}
-
 int safe_atou(const char *s, unsigned *ret_u) {
         char *x = NULL;
         unsigned long l;
@@ -418,62 +396,6 @@ int read_one_line_file(const char *fn, char **line) {
         return 0;
 }
 
-int read_full_file(const char *fn, char **contents, size_t *size) {
-        _cleanup_fclose_ FILE *f = NULL;
-        size_t n, l;
-        _cleanup_free_ char *buf = NULL;
-        struct stat st;
-
-        f = fopen(fn, "re");
-        if (!f)
-                return -errno;
-
-        if (fstat(fileno(f), &st) < 0)
-                return -errno;
-
-        /* Safety check */
-        if (st.st_size > 4*1024*1024)
-                return -E2BIG;
-
-        n = st.st_size > 0 ? st.st_size : LINE_MAX;
-        l = 0;
-
-        for (;;) {
-                char *t;
-                size_t k;
-
-                t = realloc(buf, n+1);
-                if (!t)
-                        return -ENOMEM;
-
-                buf = t;
-                k = fread(buf + l, 1, n - l, f);
-
-                if (k <= 0) {
-                        if (ferror(f))
-                                return -errno;
-
-                        break;
-                }
-
-                l += k;
-                n *= 2;
-
-                /* Safety check */
-                if (n > 4*1024*1024)
-                        return -E2BIG;
-        }
-
-        buf[l] = 0;
-        *contents = buf;
-        buf = NULL;
-
-        if (size)
-                *size = l;
-
-        return 0;
-}
-
 char *truncate_nl(char *s) {
         assert(s);
 
@@ -546,50 +468,6 @@ int readlink_malloc(const char *p, char **r) {
         }
 }
 
-char *strstrip(char *s) {
-        char *e;
-
-        /* Drops trailing whitespace. Modifies the string in
-         * place. Returns pointer to first non-space character */
-
-        s += strspn(s, WHITESPACE);
-
-        for (e = strchr(s, 0); e > s; e --)
-                if (!strchr(WHITESPACE, e[-1]))
-                        break;
-
-        *e = 0;
-
-        return s;
-}
-
-char *file_in_same_dir(const char *path, const char *filename) {
-        char *e, *r;
-        size_t k;
-
-        assert(path);
-        assert(filename);
-
-        /* This removes the last component of path and appends
-         * filename, unless the latter is absolute anyway or the
-         * former isn't */
-
-        if (path_is_absolute(filename))
-                return strdup(filename);
-
-        if (!(e = strrchr(path, '/')))
-                return strdup(filename);
-
-        k = strlen(filename);
-        if (!(r = new(char, e-path+1+k+1)))
-                return NULL;
-
-        memcpy(r, path, e-path+1);
-        memcpy(r+(e-path)+1, filename, k+1);
-
-        return r;
-}
-
 char hexchar(int x) {
         static const char table[16] = "0123456789abcdef";
 
@@ -622,174 +500,6 @@ int unoctchar(char c) {
         return -1;
 }
 
-char *cunescape_length_with_prefix(const char *s, size_t length, const char *prefix) {
-        char *r, *t;
-        const char *f;
-        size_t pl;
-
-        assert(s);
-
-        /* Undoes C style string escaping, and optionally prefixes it. */
-
-        pl = prefix ? strlen(prefix) : 0;
-
-        r = new(char, pl+length+1);
-        if (!r)
-                return r;
-
-        if (prefix)
-                memcpy(r, prefix, pl);
-
-        for (f = s, t = r + pl; f < s + length; f++) {
-
-                if (*f != '\\') {
-                        *(t++) = *f;
-                        continue;
-                }
-
-                f++;
-
-                switch (*f) {
-
-                case 'a':
-                        *(t++) = '\a';
-                        break;
-                case 'b':
-                        *(t++) = '\b';
-                        break;
-                case 'f':
-                        *(t++) = '\f';
-                        break;
-                case 'n':
-                        *(t++) = '\n';
-                        break;
-                case 'r':
-                        *(t++) = '\r';
-                        break;
-                case 't':
-                        *(t++) = '\t';
-                        break;
-                case 'v':
-                        *(t++) = '\v';
-                        break;
-                case '\\':
-                        *(t++) = '\\';
-                        break;
-                case '"':
-                        *(t++) = '"';
-                        break;
-                case '\'':
-                        *(t++) = '\'';
-                        break;
-
-                case 's':
-                        /* This is an extension of the XDG syntax files */
-                        *(t++) = ' ';
-                        break;
-
-                case 'x': {
-                        /* hexadecimal encoding */
-                        int a, b;
-
-                        a = unhexchar(f[1]);
-                        b = unhexchar(f[2]);
-
-                        if (a < 0 || b < 0) {
-                                /* Invalid escape code, let's take it literal then */
-                                *(t++) = '\\';
-                                *(t++) = 'x';
-                        } else {
-                                *(t++) = (char) ((a << 4) | b);
-                                f += 2;
-                        }
-
-                        break;
-                }
-
-                case '0':
-                case '1':
-                case '2':
-                case '3':
-                case '4':
-                case '5':
-                case '6':
-                case '7': {
-                        /* octal encoding */
-                        int a, b, c;
-
-                        a = unoctchar(f[0]);
-                        b = unoctchar(f[1]);
-                        c = unoctchar(f[2]);
-
-                        if (a < 0 || b < 0 || c < 0) {
-                                /* Invalid escape code, let's take it literal then */
-                                *(t++) = '\\';
-                                *(t++) = f[0];
-                        } else {
-                                *(t++) = (char) ((a << 6) | (b << 3) | c);
-                                f += 2;
-                        }
-
-                        break;
-                }
-
-                case 0:
-                        /* premature end of string.*/
-                        *(t++) = '\\';
-                        goto finish;
-
-                default:
-                        /* Invalid escape code, let's take it literal then */
-                        *(t++) = '\\';
-                        *(t++) = *f;
-                        break;
-                }
-        }
-
-finish:
-        *t = 0;
-        return r;
-}
-
-char *cunescape_length(const char *s, size_t length) {
-        return cunescape_length_with_prefix(s, length, NULL);
-}
-
-char *cunescape(const char *s) {
-        assert(s);
-
-        return cunescape_length(s, strlen(s));
-}
-
-char *xescape(const char *s, const char *bad) {
-        char *r, *t;
-        const char *f;
-
-        /* Escapes all chars in bad, in addition to \ and all special
-         * chars, in \xFF style escaping. May be reversed with
-         * cunescape. */
-
-        r = new(char, strlen(s) * 4 + 1);
-        if (!r)
-                return NULL;
-
-        for (f = s, t = r; *f; f++) {
-
-                if ((*f < ' ') || (*f >= 127) ||
-                    (*f == '\\') || strchr(bad, *f)) {
-                        *(t++) = '\\';
-                        *(t++) = 'x';
-                        *(t++) = hexchar(*f >> 4);
-                        *(t++) = hexchar(*f);
-                } else
-                        *(t++) = *f;
-        }
-
-        *t = 0;
-
-        return r;
-}
-
 _pure_ static bool ignore_file_allow_backup(const char *filename) {
         assert(filename);
 
@@ -827,66 +537,6 @@ _pure_ static bool fd_in_set(int fd, const int fdset[], unsigned n_fdset) {
         return false;
 }
 
-int close_all_fds(const int except[], unsigned n_except) {
-        DIR *d;
-        struct dirent *de;
-        int r = 0;
-
-        assert(n_except == 0 || except);
-
-        d = opendir("/proc/self/fd");
-        if (!d) {
-                int fd;
-                struct rlimit rl;
-
-                /* When /proc isn't available (for example in chroots)
-                 * the fallback is brute forcing through the fd
-                 * table */
-
-                assert_se(getrlimit(RLIMIT_NOFILE, &rl) >= 0);
-                for (fd = 3; fd < (int) rl.rlim_max; fd ++) {
-
-                        if (fd_in_set(fd, except, n_except))
-                                continue;
-
-                        if (close_nointr(fd) < 0)
-                                if (errno != EBADF && r == 0)
-                                        r = -errno;
-                }
-
-                return r;
-        }
-
-        while ((de = readdir(d))) {
-                int fd = -1;
-
-                if (ignore_file(de->d_name))
-                        continue;
-
-                if (safe_atoi(de->d_name, &fd) < 0)
-                        /* Let's better ignore this, just in case */
-                        continue;
-
-                if (fd < 3)
-                        continue;
-
-                if (fd == dirfd(d))
-                        continue;
-
-                if (fd_in_set(fd, except, n_except))
-                        continue;
-
-                if (close_nointr(fd) < 0) {
-                        /* Valgrind has its own FD and doesn't want to have it closed */
-                        if (errno != EBADF && r == 0)
-                                r = -errno;
-                }
-        }
-
-        closedir(d);
-        return r;
-}
-
 char *format_timespan(char *buf, size_t l, usec_t t) {
         static const struct {
                 const char *suffix;
@@ -942,190 +592,6 @@ char *format_timespan(char *buf, size_t l, usec_t t) {
         return buf;
 }
 
-int read_one_char(FILE *f, char *ret, usec_t t, bool *need_nl) {
-        struct termios old_termios, new_termios;
-        char c;
-        char line[LINE_MAX];
-
-        assert(f);
-        assert(ret);
-
-        if (tcgetattr(fileno(f), &old_termios) >= 0) {
-                new_termios = old_termios;
-
-                new_termios.c_lflag &= ~ICANON;
-                new_termios.c_cc[VMIN] = 1;
-                new_termios.c_cc[VTIME] = 0;
-
-                if (tcsetattr(fileno(f), TCSADRAIN, &new_termios) >= 0) {
-                        size_t k;
-
-                        if (t != (usec_t) -1) {
-                                if (fd_wait_for_event(fileno(f), POLLIN, t) <= 0) {
-                                        tcsetattr(fileno(f), TCSADRAIN, &old_termios);
-                                        return -ETIMEDOUT;
-                                }
-                        }
-
-                        k = fread(&c, 1, 1, f);
-
-                        tcsetattr(fileno(f), TCSADRAIN, &old_termios);
-
-                        if (k <= 0)
-                                return -EIO;
-
-                        if (need_nl)
-                                *need_nl = c != '\n';
-
-                        *ret = c;
-                        return 0;
-                }
-        }
-
-        if (t != (usec_t) -1)
-                if (fd_wait_for_event(fileno(f), POLLIN, t) <= 0)
-                        return -ETIMEDOUT;
-
-        if (!fgets(line, sizeof(line), f))
-                return -EIO;
-
-        truncate_nl(line);
-
-        if (strlen(line) != 1)
-                return -EBADMSG;
-
-        if (need_nl)
-                *need_nl = false;
-
-        *ret = line[0];
-        return 0;
-}
-
-int ask(char *ret, const char *replies, const char *text, ...) {
-
-        assert(ret);
-        assert(replies);
-        assert(text);
-
-        for (;;) {
-                va_list ap;
-                char c;
-                int r;
-                bool need_nl = true;
-
-                if (on_tty())
-                        fputs(ANSI_HIGHLIGHT_ON, stdout);
-
-                va_start(ap, text);
-                vprintf(text, ap);
-                va_end(ap);
-
-                if (on_tty())
-                        fputs(ANSI_HIGHLIGHT_OFF, stdout);
-
-                fflush(stdout);
-
-                r = read_one_char(stdin, &c, (usec_t) -1, &need_nl);
-                if (r < 0) {
-
-                        if (r == -EBADMSG) {
-                                puts("Bad input, please try again.");
-                                continue;
-                        }
-
-                        putchar('\n');
-                        return r;
-                }
-
-                if (need_nl)
-                        putchar('\n');
-
-                if (strchr(replies, c)) {
-                        *ret = c;
-                        return 0;
-                }
-
-                puts("Read unexpected character, please try again.");
-        }
-}
-
-int reset_terminal_fd(int fd, bool switch_to_text) {
-        struct termios termios;
-        int r = 0;
-
-        /* Set terminal to some sane defaults */
-
-        assert(fd >= 0);
-
-        /* We leave locked terminal attributes untouched, so that
-         * Plymouth may set whatever it wants to set, and we don't
-         * interfere with that. */
-
-        /* Disable exclusive mode, just in case */
-        ioctl(fd, TIOCNXCL);
-
-        /* Switch to text mode */
-        if (switch_to_text)
-                ioctl(fd, KDSETMODE, KD_TEXT);
-
-        /* Enable console unicode mode */
-        ioctl(fd, KDSKBMODE, K_UNICODE);
-
-        if (tcgetattr(fd, &termios) < 0) {
-                r = -errno;
-                goto finish;
-        }
-
-        /* We only reset the stuff that matters to the software. How
-         * hardware is set up we don't touch assuming that somebody
-         * else will do that for us */
-
-        termios.c_iflag &= ~(IGNBRK | BRKINT | ISTRIP | INLCR | IGNCR | IUCLC);
-        termios.c_iflag |= ICRNL | IMAXBEL | IUTF8;
-        termios.c_oflag |= ONLCR;
-        termios.c_cflag |= CREAD;
-        termios.c_lflag = ISIG | ICANON | IEXTEN | ECHO | ECHOE | ECHOK | ECHOCTL | ECHOPRT | ECHOKE;
-
-        termios.c_cc[VINTR]    =   03;  /* ^C */
-        termios.c_cc[VQUIT]    =  034;  /* ^\ */
-        termios.c_cc[VERASE]   = 0177;
-        termios.c_cc[VKILL]    =  025;  /* ^X */
-        termios.c_cc[VEOF]     =   04;  /* ^D */
-        termios.c_cc[VSTART]   =  021;  /* ^Q */
-        termios.c_cc[VSTOP]    =  023;  /* ^S */
-        termios.c_cc[VSUSP]    =  032;  /* ^Z */
-        termios.c_cc[VLNEXT]   =  026;  /* ^V */
-        termios.c_cc[VWERASE]  =  027;  /* ^W */
-        termios.c_cc[VREPRINT] =  022;  /* ^R */
-        termios.c_cc[VEOL]     =    0;
-        termios.c_cc[VEOL2]    =    0;
-
-        termios.c_cc[VTIME]  = 0;
-        termios.c_cc[VMIN]   = 1;
-
-        if (tcsetattr(fd, TCSANOW, &termios) < 0)
-                r = -errno;
-
-finish:
-        /* Just in case, flush all crap out */
-        tcflush(fd, TCIOFLUSH);
-
-        return r;
-}
-
-int reset_terminal(const char *name) {
-        int fd, r;
-
-        fd = open_terminal(name, O_RDWR|O_NOCTTY|O_CLOEXEC);
-        if (fd < 0)
-                return fd;
-
-        r = reset_terminal_fd(fd, true);
-        close_nointr_nofail(fd);
-
-        return r;
-}
-
 int open_terminal(const char *name, int mode) {
         int fd, r;
         unsigned c = 0;
@@ -1172,294 +638,6 @@ int open_terminal(const char *name, int mode) {
         return fd;
 }
 
-int flush_fd(int fd) {
-        struct pollfd pollfd = {
-                .fd = fd,
-                .events = POLLIN,
-        };
-
-        for (;;) {
-                char buf[LINE_MAX];
-                ssize_t l;
-                int r;
-
-                r = poll(&pollfd, 1, 0);
-                if (r < 0) {
-                        if (errno == EINTR)
-                                continue;
-
-                        return -errno;
-
-                } else if (r == 0)
-                        return 0;
-
-                l = read(fd, buf, sizeof(buf));
-                if (l < 0) {
-
-                        if (errno == EINTR)
-                                continue;
-
-                        if (errno == EAGAIN)
-                                return 0;
-
-                        return -errno;
-                } else if (l == 0)
-                        return 0;
-        }
-}
-
-ssize_t loop_read(int fd, void *buf, size_t nbytes, bool do_poll) {
-        uint8_t *p;
-        ssize_t n = 0;
-
-        assert(fd >= 0);
-        assert(buf);
-
-        p = buf;
-
-        while (nbytes > 0) {
-                ssize_t k;
-
-                if ((k = read(fd, p, nbytes)) <= 0) {
-
-                        if (k < 0 && errno == EINTR)
-                                continue;
-
-                        if (k < 0 && errno == EAGAIN && do_poll) {
-                                struct pollfd pollfd = {
-                                        .fd = fd,
-                                        .events = POLLIN,
-                                };
-
-                                if (poll(&pollfd, 1, -1) < 0) {
-                                        if (errno == EINTR)
-                                                continue;
-
-                                        return n > 0 ? n : -errno;
-                                }
-
-                                if (pollfd.revents != POLLIN)
-                                        return n > 0 ? n : -EIO;
-
-                                continue;
-                        }
-
-                        return n > 0 ? n : (k < 0 ? -errno : 0);
-                }
-
-                p += k;
-                nbytes -= k;
-                n += k;
-        }
-
-        return n;
-}
-
-int get_ctty_devnr(pid_t pid, dev_t *d) {
-        _cleanup_fclose_ FILE *f = NULL;
-        char line[LINE_MAX], *p;
-        unsigned long ttynr;
-        const char *fn;
-        int k;
-
-        assert(pid >= 0);
-        assert(d);
-
-        if (pid == 0)
-                fn = "/proc/self/stat";
-        else
-                fn = procfs_file_alloca(pid, "stat");
-
-        f = fopen(fn, "re");
-        if (!f)
-                return -errno;
-
-        if (!fgets(line, sizeof(line), f)) {
-                k = feof(f) ? -EIO : -errno;
-                return k;
-        }
-
-        p = strrchr(line, ')');
-        if (!p)
-                return -EIO;
-
-        p++;
-
-        if (sscanf(p, " "
-                   "%*c "  /* state */
-                   "%*d "  /* ppid */
-                   "%*d "  /* pgrp */
-                   "%*d "  /* session */
-                   "%lu ", /* ttynr */
-                   &ttynr) != 1)
-                return -EIO;
-
-        if (major(ttynr) == 0 && minor(ttynr) == 0)
-                return -ENOENT;
-
-        *d = (dev_t) ttynr;
-        return 0;
-}
-
-int get_ctty(pid_t pid, dev_t *_devnr, char **r) {
-        int k;
-        char fn[sizeof("/dev/char/")-1 + 2*DECIMAL_STR_MAX(unsigned) + 1 + 1], *s, *b, *p;
-        dev_t devnr;
-
-        assert(r);
-
-        k = get_ctty_devnr(pid, &devnr);
-        if (k < 0)
-                return k;
-
-        snprintf(fn, sizeof(fn), "/dev/char/%u:%u", major(devnr), minor(devnr));
-
-        k = readlink_malloc(fn, &s);
-        if (k < 0) {
-
-                if (k != -ENOENT)
-                        return k;
-
-                /* This is an ugly hack */
-                if (major(devnr) == 136) {
-                        if (asprintf(&b, "pts/%lu", (unsigned long) minor(devnr)) < 0)
-                                return -ENOMEM;
-
-                        *r = b;
-                        if (_devnr)
-                                *_devnr = devnr;
-
-                        return 0;
-                }
-
-                /* Probably something like the ptys which have no
-                 * symlink in /dev/char. Let's return something
-                 * vaguely useful. */
-
-                b = strdup(fn + 5);
-                if (!b)
-                        return -ENOMEM;
-
-                *r = b;
-                if (_devnr)
-                        *_devnr = devnr;
-
-                return 0;
-        }
-
-        if (startswith(s, "/dev/"))
-                p = s + 5;
-        else if (startswith(s, "../"))
-                p = s + 3;
-        else
-                p = s;
-
-        b = strdup(p);
-        free(s);
-
-        if (!b)
-                return -ENOMEM;
-
-        *r = b;
-        if (_devnr)
-                *_devnr = devnr;
-
-        return 0;
-}
-
-int rm_rf_children_dangerous(int fd, bool only_dirs, bool honour_sticky, struct stat *root_dev) {
-        DIR *d;
-        int ret = 0;
-
-        assert(fd >= 0);
-
-        /* This returns the first error we run into, but nevertheless
-         * tries to go on. This closes the passed fd. */
-
-        d = fdopendir(fd);
-        if (!d) {
-                close_nointr_nofail(fd);
-
-                return errno == ENOENT ? 0 : -errno;
-        }
-
-        for (;;) {
-                struct dirent *de;
-                union dirent_storage buf;
-                bool is_dir, keep_around;
-                struct stat st;
-                int r;
-
-                r = readdir_r(d, &buf.de, &de);
-                if (r != 0 && ret == 0) {
-                        ret = -r;
-                        break;
-                }
-
-                if (!de)
-                        break;
-
-                if (streq(de->d_name, ".") || streq(de->d_name, ".."))
-                        continue;
-
-                if (de->d_type == DT_UNKNOWN ||
-                    honour_sticky ||
-                    (de->d_type == DT_DIR && root_dev)) {
-                        if (fstatat(fd, de->d_name, &st, AT_SYMLINK_NOFOLLOW) < 0) {
-                                if (ret == 0 && errno != ENOENT)
-                                        ret = -errno;
-                                continue;
-                        }
-
-                        is_dir = S_ISDIR(st.st_mode);
-                        keep_around =
-                                honour_sticky &&
-                                (st.st_uid == 0 || st.st_uid == getuid()) &&
-                                (st.st_mode & S_ISVTX);
-                } else {
-                        is_dir = de->d_type == DT_DIR;
-                        keep_around = false;
-                }
-
-                if (is_dir) {
-                        int subdir_fd;
-
-                        /* if root_dev is set, remove subdirectories only, if device is same as dir */
-                        if (root_dev && st.st_dev != root_dev->st_dev)
-                                continue;
-
-                        subdir_fd = openat(fd, de->d_name,
-                                           O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW|O_NOATIME);
-                        if (subdir_fd < 0) {
-                                if (ret == 0 && errno != ENOENT)
-                                        ret = -errno;
-                                continue;
-                        }
-
-                        r = rm_rf_children_dangerous(subdir_fd, only_dirs, honour_sticky, root_dev);
-                        if (r < 0 && ret == 0)
-                                ret = r;
-
-                        if (!keep_around)
-                                if (unlinkat(fd, de->d_name, AT_REMOVEDIR) < 0) {
-                                        if (ret == 0 && errno != ENOENT)
-                                                ret = -errno;
-                                }
-
-                } else if (!only_dirs && !keep_around) {
-
-                        if (unlinkat(fd, de->d_name, 0) < 0) {
-                                if (ret == 0 && errno != ENOENT)
-                                        ret = -errno;
-                        }
-                }
-        }
-
-        closedir(d);
-
-        return ret;
-}
-
 _pure_ static int is_temporary_fs(struct statfs *s) {
         assert(s);
         return
@@ -1467,97 +645,6 @@ _pure_ static int is_temporary_fs(struct statfs *s) {
                 F_TYPE_CMP(s->f_type, RAMFS_MAGIC);
 }
 
-int rm_rf_children(int fd, bool only_dirs, bool honour_sticky, struct stat *root_dev) {
-        struct statfs s;
-
-        assert(fd >= 0);
-
-        if (fstatfs(fd, &s) < 0) {
-                close_nointr_nofail(fd);
-                return -errno;
-        }
-
-        /* We refuse to clean disk file systems with this call. This
-         * is extra paranoia just to be sure we never ever remove
-         * non-state data */
-        if (!is_temporary_fs(&s)) {
-                log_error("Attempted to remove disk file system, and we can't allow that.");
-                close_nointr_nofail(fd);
-                return -EPERM;
-        }
-
-        return rm_rf_children_dangerous(fd, only_dirs, honour_sticky, root_dev);
-}
-
-static int rm_rf_internal(const char *path, bool only_dirs, bool delete_root, bool honour_sticky, bool dangerous) {
-        int fd, r;
-        struct statfs s;
-
-        assert(path);
-
-        /* We refuse to clean the root file system with this
-         * call. This is extra paranoia to never cause a really
-         * seriously broken system. */
-        if (path_equal(path, "/")) {
-                log_error("Attempted to remove entire root file system, and we can't allow that.");
-                return -EPERM;
-        }
-
-        fd = open(path, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW|O_NOATIME);
-        if (fd < 0) {
-
-                if (errno != ENOTDIR)
-                        return -errno;
-
-                if (!dangerous) {
-                        if (statfs(path, &s) < 0)
-                                return -errno;
-
-                        if (!is_temporary_fs(&s)) {
-                                log_error("Attempted to remove disk file system, and we can't allow that.");
-                                return -EPERM;
-                        }
-                }
-
-                if (delete_root && !only_dirs)
-                        if (unlink(path) < 0 && errno != ENOENT)
-                                return -errno;
-
-                return 0;
-        }
-
-        if (!dangerous) {
-                if (fstatfs(fd, &s) < 0) {
-                        close_nointr_nofail(fd);
-                        return -errno;
-                }
-
-                if (!is_temporary_fs(&s)) {
-                        log_error("Attempted to remove disk file system, and we can't allow that.");
-                        close_nointr_nofail(fd);
-                        return -EPERM;
-                }
-        }
-
-        r = rm_rf_children_dangerous(fd, only_dirs, honour_sticky, NULL);
-        if (delete_root) {
-
-                if (honour_sticky && file_is_priv_sticky(path) > 0)
-                        return r;
-
-                if (rmdir(path) < 0 && errno != ENOENT) {
-                        if (r == 0)
-                                r = -errno;
-                }
-        }
-
-        return r;
-}
-
-int rm_rf(const char *path, bool only_dirs, bool delete_root, bool honour_sticky) {
-        return rm_rf_internal(path, only_dirs, delete_root, honour_sticky, false);
-}
-
 int chmod_and_chown(const char *path, mode_t mode, uid_t uid, gid_t gid) {
         assert(path);
 
@@ -1576,219 +663,6 @@ int chmod_and_chown(const char *path, mode_t mode, uid_t uid, gid_t gid) {
         return 0;
 }
 
-int status_vprintf(const char *status, bool ellipse, bool ephemeral, const char *format, va_list ap) {
-        static const char status_indent[] = "         "; /* "[" STATUS "] " */
-        _cleanup_free_ char *s = NULL;
-        _cleanup_close_ int fd = -1;
-        struct iovec iovec[6] = {};
-        int n = 0;
-        static bool prev_ephemeral;
-
-        assert(format);
-
-        /* This is independent of logging, as status messages are
-         * optional and go exclusively to the console. */
-
-        if (vasprintf(&s, format, ap) < 0)
-                return log_oom();
-
-        fd = open_terminal("/dev/console", O_WRONLY|O_NOCTTY|O_CLOEXEC);
-        if (fd < 0)
-                return fd;
-
-        if (ellipse) {
-                char *e;
-                size_t emax, sl;
-                int c;
-
-                c = fd_columns(fd);
-                if (c <= 0)
-                        c = 80;
-
-                sl = status ? sizeof(status_indent)-1 : 0;
-
-                emax = c - sl - 1;
-                if (emax < 3)
-                        emax = 3;
-
-                e = ellipsize(s, emax, 75);
-                if (e) {
-                        free(s);
-                        s = e;
-                }
-        }
-
-        if (prev_ephemeral)
-                IOVEC_SET_STRING(iovec[n++], "\r" ANSI_ERASE_TO_END_OF_LINE);
-        prev_ephemeral = ephemeral;
-
-        if (status) {
-                if (!isempty(status)) {
-                        IOVEC_SET_STRING(iovec[n++], "[");
-                        IOVEC_SET_STRING(iovec[n++], status);
-                        IOVEC_SET_STRING(iovec[n++], "] ");
-                } else
-                        IOVEC_SET_STRING(iovec[n++], status_indent);
-        }
-
-        IOVEC_SET_STRING(iovec[n++], s);
-        if (!ephemeral)
-                IOVEC_SET_STRING(iovec[n++], "\n");
-
-        if (writev(fd, iovec, n) < 0)
-                return -errno;
-
-        return 0;
-}
-
-int fd_columns(int fd) {
-        struct winsize ws = {};
-
-        if (ioctl(fd, TIOCGWINSZ, &ws) < 0)
-                return -errno;
-
-        if (ws.ws_col <= 0)
-                return -EIO;
-
-        return ws.ws_col;
-}
-
-unsigned columns(void) {
-        const char *e;
-        int c;
-
-        if (_likely_(cached_columns > 0))
-                return cached_columns;
-
-        c = 0;
-        e = getenv("COLUMNS");
-        if (e)
-                safe_atoi(e, &c);
-
-        if (c <= 0)
-                c = fd_columns(STDOUT_FILENO);
-
-        if (c <= 0)
-                c = 80;
-
-        cached_columns = c;
-        return c;
-}
-
-int fd_lines(int fd) {
-        struct winsize ws = {};
-
-        if (ioctl(fd, TIOCGWINSZ, &ws) < 0)
-                return -errno;
-
-        if (ws.ws_row <= 0)
-                return -EIO;
-
-        return ws.ws_row;
-}
-
-unsigned lines(void) {
-        const char *e;
-        unsigned l;
-
-        if (_likely_(cached_lines > 0))
-                return cached_lines;
-
-        l = 0;
-        e = getenv("LINES");
-        if (e)
-                safe_atou(e, &l);
-
-        if (l <= 0)
-                l = fd_lines(STDOUT_FILENO);
-
-        if (l <= 0)
-                l = 24;
-
-        cached_lines = l;
-        return cached_lines;
-}
-
-bool on_tty(void) {
-        static int cached_on_tty = -1;
-
-        if (_unlikely_(cached_on_tty < 0))
-                cached_on_tty = isatty(STDOUT_FILENO) > 0;
-
-        return cached_on_tty;
-}
-
-char *ellipsize_mem(const char *s, size_t old_length, size_t new_length, unsigned percent) {
-        size_t x;
-        char *r;
-
-        assert(s);
-        assert(percent <= 100);
-        assert(new_length >= 3);
-
-        if (old_length <= 3 || old_length <= new_length)
-                return strndup(s, old_length);
-
-        r = new0(char, new_length+1);
-        if (!r)
-                return r;
-
-        x = (new_length * percent) / 100;
-
-        if (x > new_length - 3)
-                x = new_length - 3;
-
-        memcpy(r, s, x);
-        r[x] = '.';
-        r[x+1] = '.';
-        r[x+2] = '.';
-        memcpy(r + x + 3,
-               s + old_length - (new_length - x - 3),
-               new_length - x - 3);
-
-        return r;
-}
-
-char *ellipsize(const char *s, size_t length, unsigned percent) {
-        return ellipsize_mem(s, strlen(s), length, percent);
-}
-
-int touch(const char *path) {
-        int fd;
-
-        assert(path);
-
-        /* This just opens the file for writing, ensuring it
-         * exists. It doesn't call utimensat() the way /usr/bin/touch
-         * does it. */
-
-        fd = open(path, O_WRONLY|O_CREAT|O_CLOEXEC|O_NOCTTY, 0644);
-        if (fd < 0)
-                return -errno;
-
-        close_nointr_nofail(fd);
-        return 0;
-}
-
-char *unquote(const char *s, const char* quotes) {
-        size_t l;
-        assert(s);
-
-        /* This is rather stupid, simply removes the heading and
-         * trailing quotes if there is one. Doesn't care about
-         * escaping or anything. We should make this smarter one
-         * day...*/
-
-        l = strlen(s);
-        if (l < 2)
-                return strdup(s);
-
-        if (strchr(quotes, s[0]) && s[l-1] == s[0])
-                return strndup(s+1, l-2);
-
-        return strdup(s);
-}
-
 bool null_or_empty(struct stat *st) {
         assert(st);
 
@@ -1812,76 +686,6 @@ int null_or_empty_path(const char *fn) {
         return null_or_empty(&st);
 }
 
-bool tty_is_vc(const char *tty) {
-        assert(tty);
-
-        if (startswith(tty, "/dev/"))
-                tty += 5;
-
-        return vtnr_from_tty(tty) >= 0;
-}
-
-int vtnr_from_tty(const char *tty) {
-        int i, r;
-
-        assert(tty);
-
-        if (startswith(tty, "/dev/"))
-                tty += 5;
-
-        if (!startswith(tty, "tty") )
-                return -EINVAL;
-
-        if (tty[3] < '0' || tty[3] > '9')
-                return -EINVAL;
-
-        r = safe_atoi(tty+3, &i);
-        if (r < 0)
-                return r;
-
-        if (i < 0 || i > 63)
-                return -EINVAL;
-
-        return i;
-}
-
-char *resolve_dev_console(char **active) {
-        char *tty;
-
-        /* Resolve where /dev/console is pointing to, if /sys is actually ours
-         * (i.e. not read-only-mounted which is a sign for container setups) */
-
-        if (path_is_read_only_fs("/sys") > 0)
-                return NULL;
-
-        if (read_one_line_file("/sys/class/tty/console/active", active) < 0)
-                return NULL;
-
-        /* If multiple log outputs are configured the last one is what
-         * /dev/console points to */
-        tty = strrchr(*active, ' ');
-        if (tty)
-                tty++;
-        else
-                tty = *active;
-
-        return tty;
-}
-
-bool dirent_is_file(const struct dirent *de) {
-        assert(de);
-
-        if (ignore_file(de->d_name))
-                return false;
-
-        if (de->d_type != DT_REG &&
-            de->d_type != DT_LNK &&
-            de->d_type != DT_UNKNOWN)
-                return false;
-
-        return true;
-}
-
 bool dirent_is_file_with_suffix(const struct dirent *de, const char *suffix) {
         assert(de);
 
@@ -1936,23 +740,6 @@ int execute_command(const char *command, char *const argv[])
         }
 }
 
-int fd_wait_for_event(int fd, int event, usec_t t) {
-        int r;
-        struct pollfd pollfd = {
-                .fd = fd,
-                .events = event,
-        };
-
-        r = poll(&pollfd, 1, t == (usec_t) -1 ? -1 : (int) (t / USEC_PER_MSEC));
-        if (r < 0)
-                return -errno;
-
-        if (r == 0)
-                return 0;
-
-        return pollfd.revents;
-}
-
 int fopen_temporary(const char *path, FILE **_f, char **_temp_path) {
         FILE *f;
         char *t;
@@ -1998,28 +785,6 @@ int fopen_temporary(const char *path, FILE **_f, char **_temp_path) {
         return 0;
 }
 
-int terminal_vhangup_fd(int fd) {
-        assert(fd >= 0);
-
-        if (ioctl(fd, TIOCVHANGUP) < 0)
-                return -errno;
-
-        return 0;
-}
-
-int terminal_vhangup(const char *name) {
-        int fd, r;
-
-        fd = open_terminal(name, O_RDWR|O_NOCTTY|O_CLOEXEC);
-        if (fd < 0)
-                return fd;
-
-        r = terminal_vhangup_fd(fd);
-        close_nointr_nofail(fd);
-
-        return r;
-}
-
 char *strjoin(const char *x, ...) {
         va_list ap;
         size_t l;
@@ -2086,19 +851,6 @@ bool is_main_thread(void) {
         return cached > 0;
 }
 
-int file_is_priv_sticky(const char *p) {
-        struct stat st;
-
-        assert(p);
-
-        if (lstat(p, &st) < 0)
-                return -errno;
-
-        return
-                (st.st_uid == 0 || st.st_uid == getuid()) &&
-                (st.st_mode & S_ISVTX);
-}
-
 static const char *const ioprio_class_table[] = {
         [IOPRIO_CLASS_NONE] = "none",
         [IOPRIO_CLASS_RT] = "realtime",
@@ -2251,40 +1003,6 @@ const char *signal_to_string(int signo) {
         return buf;
 }
 
-int signal_from_string(const char *s) {
-        int signo;
-        int offset = 0;
-        unsigned u;
-
-        signo = __signal_from_string(s);
-        if (signo > 0)
-                return signo;
-
-        if (startswith(s, "RTMIN+")) {
-                s += 6;
-                offset = SIGRTMIN;
-        }
-        if (safe_atou(s, &u) >= 0) {
-                signo = (int) u + offset;
-                if (signo > 0 && signo < _NSIG)
-                        return signo;
-        }
-        return -1;
-}
-
-void* memdup(const void *p, size_t l) {
-        void *r;
-
-        assert(p);
-
-        r = malloc(l);
-        if (!r)
-                return NULL;
-
-        memcpy(r, p, l);
-        return r;
-}
-
 int fd_inc_sndbuf(int fd, size_t n) {
         int r, value;
         socklen_t l = sizeof(value);