chiark / gitweb /
encode db-file names, instead of just replacing '/'
[elogind.git] / udevinfo.c
index 5445b0fcc13e0ad1e6463a9b8439490e0afada35..3f47add87cd6f7197ec2d81dc5603bbf56564d3a 100644 (file)
@@ -104,6 +104,10 @@ static int print_device_chain(const char *devpath)
 {
        struct sysfs_device *dev;
 
 {
        struct sysfs_device *dev;
 
+       dev = sysfs_device_get(devpath);
+       if (dev == NULL)
+               return -1;
+
        printf("\n"
               "Udevinfo starts with the device specified by the devpath and then\n"
               "walks up the chain of parent devices. It prints for every device\n"
        printf("\n"
               "Udevinfo starts with the device specified by the devpath and then\n"
               "walks up the chain of parent devices. It prints for every device\n"
@@ -112,10 +116,6 @@ static int print_device_chain(const char *devpath)
               "and the attributes from one single parent device.\n"
               "\n");
 
               "and the attributes from one single parent device.\n"
               "\n");
 
-       dev = sysfs_device_get(devpath);
-       if (dev == NULL)
-               return -1;
-
        printf("  looking at device '%s':\n", dev->devpath);
        printf("    KERNEL==\"%s\"\n", dev->kernel);
        printf("    SUBSYSTEM==\"%s\"\n", dev->subsystem);
        printf("  looking at device '%s':\n", dev->devpath);
        printf("    KERNEL==\"%s\"\n", dev->kernel);
        printf("    SUBSYSTEM==\"%s\"\n", dev->subsystem);
@@ -190,7 +190,7 @@ int main(int argc, char *argv[], char *envp[])
                { "attribute-walk", 0, NULL, 'a' },
                { "export-db", 0, NULL, 'e' },
                { "root", 0, NULL, 'r' },
                { "attribute-walk", 0, NULL, 'a' },
                { "export-db", 0, NULL, 'e' },
                { "root", 0, NULL, 'r' },
-               { "version", 0, NULL, 'V' },
+               { "version", 0, NULL, 1 }, /* -V outputs braindead format */
                { "help", 0, NULL, 'h' },
                {}
        };
                { "help", 0, NULL, 'h' },
                {}
        };
@@ -290,6 +290,9 @@ int main(int argc, char *argv[], char *envp[])
                case 'e':
                        export_db(export_record);
                        goto exit;
                case 'e':
                        export_db(export_record);
                        goto exit;
+               case 1:
+                       printf("%s\n", UDEV_VERSION);
+                       goto exit;
                case 'V':
                        printf("udevinfo, version %s\n", UDEV_VERSION);
                        goto exit;
                case 'V':
                        printf("udevinfo, version %s\n", UDEV_VERSION);
                        goto exit;
@@ -308,7 +311,6 @@ int main(int argc, char *argv[], char *envp[])
                               "  --root            prepend to query result or print udev_root\n"
                               "  --attribute-walk  print all SYSFS_attributes along the device chain\n"
                               "  --export-db       export the content of the udev database\n"
                               "  --root            prepend to query result or print udev_root\n"
                               "  --attribute-walk  print all SYSFS_attributes along the device chain\n"
                               "  --export-db       export the content of the udev database\n"
-                              "  --verision        print udev version\n"
                               "  --help            print this text\n"
                               "\n");
                        goto exit;
                               "  --help            print this text\n"
                               "\n");
                        goto exit;
@@ -377,7 +379,11 @@ int main(int argc, char *argv[], char *envp[])
                break;
        case ACTION_ATTRIBUTE_WALK:
                if (path[0] != '\0') {
                break;
        case ACTION_ATTRIBUTE_WALK:
                if (path[0] != '\0') {
-                       print_device_chain(path);
+                       if (print_device_chain(path) != 0) {
+                               fprintf(stderr, "device not found\n");
+                               rc = 4;
+                               goto exit;
+                       }
                } else if (name[0] != '\0') {
                        char devpath[PATH_SIZE];
 
                } else if (name[0] != '\0') {
                        char devpath[PATH_SIZE];
 
@@ -386,7 +392,11 @@ int main(int argc, char *argv[], char *envp[])
                                rc = 4;
                                goto exit;
                        }
                                rc = 4;
                                goto exit;
                        }
-                       print_device_chain(devpath);
+                       if (print_device_chain(devpath) != 0) {
+                               fprintf(stderr, "device not found\n");
+                               rc = 4;
+                               goto exit;
+                       }
                } else {
                        fprintf(stderr, "attribute walk needs --path or node --name specified\n");
                        rc = 5;
                } else {
                        fprintf(stderr, "attribute walk needs --path or node --name specified\n");
                        rc = 5;