chiark / gitweb /
rules: update md rules
[elogind.git] / udevinfo.c
index 3fc40faf143231952f4ae8ac4d57d9346660e542..b8e97c40746ddb051c3dfa2725a8254ad77f1f33 100644 (file)
@@ -54,6 +54,8 @@ static void print_all_attributes(const char *devpath, const char *key)
 
                        if (strcmp(dent->d_name, "uevent") == 0)
                                continue;
+                       if (strcmp(dent->d_name, "dev") == 0)
+                               continue;
 
                        strlcpy(filename, path, sizeof(filename));
                        strlcat(filename, "/", sizeof(filename));
@@ -69,7 +71,7 @@ static void print_all_attributes(const char *devpath, const char *key)
                        len = strlcpy(value, attr_value, sizeof(value));
                        if(len >= sizeof(value))
                                len = sizeof(value) - 1;
-                       dbg("attr '%s'='%s'(%zi)", dent->d_name, value, len);
+                       dbg("attr '%s'='%s'(%zi)\n", dent->d_name, value, len);
 
                        /* remove trailing newlines */
                        while (len && value[len-1] == '\n')
@@ -79,11 +81,10 @@ static void print_all_attributes(const char *devpath, const char *key)
                        while (len && isprint(value[len-1]))
                                len--;
                        if (len) {
-                               dbg("attribute value of '%s' non-printable, skip", dent->d_name);
+                               dbg("attribute value of '%s' non-printable, skip\n", dent->d_name);
                                continue;
                        }
 
-                       replace_chars(value, ALLOWED_CHARS_INPUT);
                        printf("    %s{%s}==\"%s\"\n", key, dent->d_name, value);
                }
        }
@@ -176,7 +177,7 @@ static int lookup_device_by_name(struct udevice *udev, const char *name)
        if (count <= 0)
                goto out;
 
-       info("found %i devices for '%s'", count, name);
+       info("found %i devices for '%s'\n", count, name);
 
        /* select the device that seems to match */
        list_for_each_entry(device, &name_list, node) {
@@ -186,7 +187,7 @@ static int lookup_device_by_name(struct udevice *udev, const char *name)
                udev_device_init(udev);
                if (udev_db_get_device(udev, device->name) != 0)
                        continue;
-               info("found db entry '%s'", device->name);
+               info("found db entry '%s'\n", device->name);
 
                /* make sure, we don't get a link of a differnt device */
                strlcpy(filename, udev_root, sizeof(filename));
@@ -195,7 +196,7 @@ static int lookup_device_by_name(struct udevice *udev, const char *name)
                if (stat(filename, &statbuf) != 0)
                        continue;
                if (major(udev->devt) > 0 && udev->devt != statbuf.st_rdev) {
-                       info("skip '%s', dev_t doesn't match", udev->name);
+                       info("skip '%s', dev_t doesn't match\n", udev->name);
                        continue;
                }
                rc = 0;
@@ -213,9 +214,6 @@ static int stat_device(const char *name)
        if (stat(name, &statbuf) != 0)
                return -1;
 
-       if (major(statbuf.st_dev) == 0)
-               return -1;
-
        printf("%d %d\n", major(statbuf.st_dev), minor(statbuf.st_dev));
        return 0;
 }
@@ -276,7 +274,7 @@ int udevinfo(int argc, char *argv[], char *envp[])
                if (option == -1)
                        break;
 
-               dbg("option '%c'", option);
+               dbg("option '%c'\n", option);
                switch (option) {
                case 'n':
                        /* remove /dev if given */
@@ -284,7 +282,8 @@ int udevinfo(int argc, char *argv[], char *envp[])
                                strlcpy(name, &optarg[strlen(udev_root)+1], sizeof(name));
                        else
                                strlcpy(name, optarg, sizeof(name));
-                       dbg("name: %s", name);
+                       remove_trailing_chars(name, '/');
+                       dbg("name: %s\n", name);
                        break;
                case 'p':
                        /* remove /sys if given */
@@ -292,7 +291,28 @@ int udevinfo(int argc, char *argv[], char *envp[])
                                strlcpy(path, &optarg[strlen(sysfs_path)], sizeof(path));
                        else
                                strlcpy(path, optarg, sizeof(path));
-                       dbg("path: %s", path);
+                       remove_trailing_chars(path, '/');
+
+                       /* possibly resolve to real devpath */
+                       if (sysfs_resolve_link(path, sizeof(path)) != 0) {
+                               char temp[PATH_SIZE];
+                               char *pos;
+
+                               /* also check if the parent is a link */
+                               strlcpy(temp, path, sizeof(temp));
+                               pos = strrchr(temp, '/');
+                               if (pos != 0) {
+                                       char tail[PATH_SIZE];
+
+                                       strlcpy(tail, pos, sizeof(tail));
+                                       pos[0] = '\0';
+                                       if (sysfs_resolve_link(temp, sizeof(temp)) == 0) {
+                                               strlcpy(path, temp, sizeof(path));
+                                               strlcat(path, tail, sizeof(path));
+                                       }
+                               }
+                       }
+                       dbg("path: %s\n", path);
                        break;
                case 'q':
                        action = ACTION_QUERY;