X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fshared%2Futil.c;h=3a4d1965ae314788152999d7d518186744ad2601;hp=a6669c5a97b663c2b8f8edb518f0fcf3203652ee;hb=0bee65f0622c4faa8ac8ae771cc0c8a936dfa284;hpb=9588bc32096fc8342bfd8b989689717186d7d86e

diff --git a/src/shared/util.c b/src/shared/util.c
index a6669c5a9..3a4d1965a 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -41,7 +41,6 @@
 #include <stdarg.h>
 #include <sys/inotify.h>
 #include <sys/poll.h>
-#include <libgen.h>
 #include <ctype.h>
 #include <sys/prctl.h>
 #include <sys/utsname.h>
@@ -77,6 +76,7 @@
 #include "utf8.h"
 #include "gunicode.h"
 #include "virt.h"
+#include "def.h"
 
 int saved_argc = 0;
 char **saved_argv = NULL;
@@ -1356,78 +1356,6 @@ char *xescape(const char *s, const char *bad) {
         return r;
 }
 
-char *bus_path_escape(const char *s) {
-        char *r, *t;
-        const char *f;
-
-        assert(s);
-
-        /* Escapes all chars that D-Bus' object path cannot deal
-         * with. Can be reversed with bus_path_unescape(). We special
-         * case the empty string. */
-
-        if (*s == 0)
-                return strdup("_");
-
-        r = new(char, strlen(s)*3 + 1);
-        if (!r)
-                return NULL;
-
-        for (f = s, t = r; *f; f++) {
-
-                /* Escape everything that is not a-zA-Z0-9. We also
-                 * escape 0-9 if it's the first character */
-
-                if (!(*f >= 'A' && *f <= 'Z') &&
-                    !(*f >= 'a' && *f <= 'z') &&
-                    !(f > s && *f >= '0' && *f <= '9')) {
-                        *(t++) = '_';
-                        *(t++) = hexchar(*f >> 4);
-                        *(t++) = hexchar(*f);
-                } else
-                        *(t++) = *f;
-        }
-
-        *t = 0;
-
-        return r;
-}
-
-char *bus_path_unescape(const char *f) {
-        char *r, *t;
-
-        assert(f);
-
-        /* Special case for the empty string */
-        if (streq(f, "_"))
-                return strdup("");
-
-        r = new(char, strlen(f) + 1);
-        if (!r)
-                return NULL;
-
-        for (t = r; *f; f++) {
-
-                if (*f == '_') {
-                        int a, b;
-
-                        if ((a = unhexchar(f[1])) < 0 ||
-                            (b = unhexchar(f[2])) < 0) {
-                                /* Invalid escape code, let's take it literal then */
-                                *(t++) = '_';
-                        } else {
-                                *(t++) = (char) ((a << 4) | b);
-                                f += 2;
-                        }
-                } else
-                        *(t++) = *f;
-        }
-
-        *t = 0;
-
-        return r;
-}
-
 char *ascii_strlower(char *t) {
         char *p;
 
@@ -2597,10 +2525,8 @@ int get_ctty_devnr(pid_t pid, dev_t *d) {
         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";
@@ -2611,10 +2537,8 @@ int get_ctty_devnr(pid_t pid, dev_t *d) {
         if (!f)
                 return -errno;
 
-        if (!fgets(line, sizeof(line), f)) {
-                k = feof(f) ? -EIO : -errno;
-                return k;
-        }
+        if (!fgets(line, sizeof(line), f))
+                return feof(f) ? -EIO : -errno;
 
         p = strrchr(line, ')');
         if (!p)
@@ -2634,7 +2558,9 @@ int get_ctty_devnr(pid_t pid, dev_t *d) {
         if (major(ttynr) == 0 && minor(ttynr) == 0)
                 return -ENOENT;
 
-        *d = (dev_t) ttynr;
+        if (d)
+                *d = (dev_t) ttynr;
+
         return 0;
 }
 
@@ -3699,6 +3625,16 @@ char *resolve_dev_console(char **active) {
         else
                 tty = *active;
 
+        if (streq(tty, "tty0")) {
+                char *tmp;
+
+                /* Get the active VC (e.g. tty1) */
+                if (read_one_line_file("/sys/class/tty/tty0/active", &tmp) >= 0) {
+                        free(*active);
+                        tty = *active = tmp;
+                }
+        }
+
         return tty;
 }