hostname: only suppress setting of pretty hostname if it is non-equal to the static...

[elogind.git] / src / shared / util.c

diff --git a/src/shared/util.c b/src/shared/util.c
index f9ec14aff4f6b112a58c99498de562b349f38e5f..673e0da6b69f38112708581ff81abe65a1675c1b 100644 (file)
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -1449,7 +1449,7 @@ char *ascii_strlower(char *t) {
         return t;
 }
 
-static bool ignore_file_allow_backup(const char *filename) {
+_pure_ static bool ignore_file_allow_backup(const char *filename) {
         assert(filename);
 
         return
@@ -1512,7 +1512,7 @@ int fd_cloexec(int fd, bool cloexec) {
         return 0;
 }
 
-static bool fd_in_set(int fd, const int fdset[], unsigned n_fdset) {
+_pure_ static bool fd_in_set(int fd, const int fdset[], unsigned n_fdset) {
         unsigned i;
 
         assert(n_fdset == 0 || fdset);
@@ -2770,7 +2770,7 @@ int rm_rf_children_dangerous(int fd, bool only_dirs, bool honour_sticky, struct
         return ret;
 }
 
-static int is_temporary_fs(struct statfs *s) {
+_pure_ static int is_temporary_fs(struct statfs *s) {
         assert(s);
         return
                 F_TYPE_CMP(s->f_type, TMPFS_MAGIC) ||
@@ -3838,24 +3838,29 @@ bool hostname_is_valid(const char *s) {
         return true;
 }
 
-char* hostname_cleanup(char *s) {
+char* hostname_cleanup(char *s, bool lowercase) {
         char *p, *d;
         bool dot;
 
         for (p = s, d = s, dot = true; *p; p++) {
                 if (*p == '.') {
-                        if (dot || p[1] == 0)
+                        if (dot)
                                 continue;
 
+                        *(d++) = '.';
                         dot = true;
-                } else
+                } else if (hostname_valid_char(*p)) {
+                        *(d++) = lowercase ? tolower(*p) : *p;
                         dot = false;
+                }
 
-                if (hostname_valid_char(*p))
-                        *(d++) = *p;
         }
 
-        *d = 0;
+        if (dot && d > s)
+                d[-1] = 0;
+        else
+                *d = 0;
+
         strshorten(s, HOST_NAME_MAX);
 
         return s;
@@ -5090,59 +5095,6 @@ int getenv_for_pid(pid_t pid, const char *field, char **_value) {
         return r;
 }
 
-int can_sleep(const char *type) {
-        char *w, *state;
-        size_t l, k;
-        int r;
-        _cleanup_free_ char *p = NULL;
-
-        assert(type);
-
-        /* If /sys is read-only we cannot sleep */
-        if (access("/sys/power/state", W_OK) < 0)
-                return false;
-
-        r = read_one_line_file("/sys/power/state", &p);
-        if (r < 0)
-                return false;
-
-        k = strlen(type);
-        FOREACH_WORD_SEPARATOR(w, l, p, WHITESPACE, state)
-                if (l == k && memcmp(w, type, l) == 0)
-                        return true;
-
-        return false;
-}
-
-int can_sleep_disk(const char *type) {
-        char *w, *state;
-        size_t l, k;
-        int r;
-        _cleanup_free_ char *p = NULL;
-
-        assert(type);
-
-        /* If /sys is read-only we cannot sleep */
-        if (access("/sys/power/state", W_OK) < 0 ||
-            access("/sys/power/disk", W_OK) < 0)
-                return false;
-
-        r = read_one_line_file("/sys/power/disk", &p);
-        if (r < 0)
-                return false;
-
-        k = strlen(type);
-        FOREACH_WORD_SEPARATOR(w, l, p, WHITESPACE, state) {
-                if (l == k && memcmp(w, type, l) == 0)
-                        return true;
-
-                if (l == k + 2 && w[0] == '[' && memcmp(w + 1, type, l - 2) == 0 && w[l-1] == ']')
-                        return true;
-        }
-
-        return false;
-}
-
 bool is_valid_documentation_url(const char *url) {
         assert(url);