chiark / gitweb /
[PATCH] allow multiple symlinks
[elogind.git] / udev-add.c
index 17b69eadabc620abde5b12b817801f306b8668b1..e64a845c7e3a4f8149cf3c17db39191f06283241 100644 (file)
@@ -102,6 +102,8 @@ static int create_node(struct udevice *dev)
 {
        char filename[255];
        char linktarget[255];
+       char *linkname;
+       char *symlinks;
        int retval = 0;
        uid_t uid = 0;
        gid_t gid = 0;
@@ -186,39 +188,45 @@ static int create_node(struct udevice *dev)
                            filename, uid, gid, strerror(errno));
        }
 
-
        /* create symlink if requested */
        if (*dev->symlink) {
-               strncpy(filename, udev_root, sizeof(filename));
-               strncat(filename, dev->symlink, sizeof(filename));
-               dbg("symlink '%s' to node '%s' requested", filename, dev->name);
-               if (strrchr(dev->symlink, '/'))
-                       create_path(filename);
-
-               /* optimize relative link */
-               linktarget[0] = '\0';
-               i = 0;
-               tail = 0;
-               while ((dev->name[i] == dev->symlink[i]) && dev->name[i]) {
-                       if (dev->name[i] == '/')
-                               tail = i+1;
-                       i++;
-               }
-               while (dev->symlink[i]) {
-                       if (dev->symlink[i] == '/')
-                               strcat(linktarget, "../");
-                       i++;
-               }
+               symlinks = dev->symlink;
+               while (1) {
+                       linkname = strsep(&symlinks, " ");
+                       if (linkname == NULL)
+                               break;
+
+                       strncpy(filename, udev_root, sizeof(filename));
+                       strncat(filename, linkname, sizeof(filename));
+                       dbg("symlink '%s' to node '%s' requested", filename, dev->name);
+                       if (strrchr(linkname, '/'))
+                               create_path(filename);
+
+                       /* optimize relative link */
+                       linktarget[0] = '\0';
+                       i = 0;
+                       tail = 0;
+                       while ((dev->name[i] == linkname[i]) && dev->name[i]) {
+                               if (dev->name[i] == '/')
+                                       tail = i+1;
+                               i++;
+                       }
+                       while (linkname[i]) {
+                               if (linkname[i] == '/')
+                                       strcat(linktarget, "../");
+                               i++;
+                       }
 
-               if (*linktarget == '\0')
-                       strcpy(linktarget, "./");
-               strcat(linktarget, &dev->name[tail]);
+                       if (*linktarget == '\0')
+                               strcpy(linktarget, "./");
+                       strcat(linktarget, &dev->name[tail]);
 
-               dbg("symlink(%s, %s)", linktarget, filename);
-               retval = symlink(linktarget, filename);
-               if (retval)
-                       dbg("symlink(%s, %s) failed with error '%s'",
-                           linktarget, filename, strerror(errno));
+                       dbg("symlink(%s, %s)", linktarget, filename);
+                       retval = symlink(linktarget, filename);
+                       if (retval)
+                               dbg("symlink(%s, %s) failed with error '%s'",
+                                   linktarget, filename, strerror(errno));
+               }
        }
 
        return retval;