chiark / gitweb /
[PATCH] remove udev_dbus.h from Makefile
[elogind.git] / udevinfo.c
index b94376c9cee22131d7348f4f837982efc7bbe021..800882eb1aa4b2d077bc7315d41a448e77c99e2b 100644 (file)
@@ -30,6 +30,7 @@
 #include "libsysfs/sysfs/libsysfs.h"
 #include "libsysfs/dlist.h"
 #include "udev.h"
+#include "udev_lib.h"
 #include "udev_version.h"
 #include "logging.h"
 #include "udevdb.h"
@@ -41,7 +42,7 @@ char **main_argv;
 int main_argc;
 
 #ifdef LOG
-unsigned char logname[42];
+unsigned char logname[LOGNAME_SIZE];
 void log_message (int level, const char *format, ...)
 {
        va_list args;
@@ -73,7 +74,7 @@ static int print_all_attributes(const char *path)
 
        dlist_for_each_data(attributes, attr, struct sysfs_attribute) {
                if (attr->value != NULL) {
-                       strncpy(value, attr->value, SYSFS_VALUE_MAX);
+                       strfieldcpy(value, attr->value);
                        len = strlen(value);
                        if (len == 0)
                                continue;
@@ -111,6 +112,9 @@ static int print_record(char *path, struct udevice *dev)
        printf("S: %s\n", dev->symlink);
        printf("O: %s\n", dev->owner);
        printf("G: %s\n", dev->group);
+       printf("F: %s\n", dev->config_file);
+       printf("L: %i\n", dev->config_line);
+       printf("T: %li\n", dev->config_time);
        printf("\n");
        return 0;
 }
@@ -122,7 +126,8 @@ enum query_type {
        SYMLINK,
        MODE,
        OWNER,
-       GROUP
+       GROUP,
+       ALL
 };
 
 static int print_device_chain(const char *path)
@@ -148,8 +153,14 @@ static int print_device_chain(const char *path)
                retval = -1;
                goto exit;
        }
-       printf("\ndevice '%s' has major:minor %s", class_dev->path, attr->value);
-       sysfs_close_attribute(attr);
+
+       printf("\nudevinfo starts with the device the node belongs to and then walks up the\n"
+              "device chain, to print for every device found, all possibly useful attributes\n"
+              "in the udev key format.\n"
+              "Only attributes within one device section may be used together in one rule,\n"
+              "to match the device for which the node will be created.\n"
+              "\n");
+       printf("device '%s' has major:minor %s", class_dev->path, attr->value);
 
        /* open sysfs class device directory and print all attributes */
        printf("  looking at class device '%s':\n", class_dev->path);
@@ -161,11 +172,11 @@ static int print_device_chain(const char *path)
 
        /* get the device link (if parent exists look here) */
        class_dev_parent = sysfs_get_classdev_parent(class_dev);
-       if (class_dev_parent != NULL) {
-               //sysfs_close_class_device(class_dev);
-               class_dev = class_dev_parent;
-       }
-       sysfs_dev = sysfs_get_classdev_device(class_dev);
+       if (class_dev_parent != NULL) 
+               sysfs_dev = sysfs_get_classdev_device(class_dev_parent);
+       else 
+               sysfs_dev = sysfs_get_classdev_device(class_dev);
+       
        if (sysfs_dev != NULL)
                printf("follow the class device's \"device\"\n");
 
@@ -182,13 +193,11 @@ static int print_device_chain(const char *path)
                if (sysfs_dev_parent == NULL)
                        break;
 
-               //sysfs_close_device(sysfs_dev);
                sysfs_dev = sysfs_dev_parent;
        }
-       sysfs_close_device(sysfs_dev);
 
 exit:
-       //sysfs_close_class_device(class_dev);
+       sysfs_close_class_device(class_dev);
        return retval;
 }
 
@@ -258,6 +267,11 @@ static int process_options(void)
                                break;
                        }
 
+                       if (strcmp(optarg, "all") == 0) {
+                               query = ALL;
+                               break;
+                       }
+
                        printf("unknown query type\n");
                        exit(1);
 
@@ -306,8 +320,8 @@ static int process_options(void)
                        } else {
                                if (path[0] != '/') {
                                        /* prepend '/' if missing */
-                                       strcat(temp, "/");
-                                       strncat(temp, path, sizeof(path));
+                                       strfieldcat(temp, "/");
+                                       strfieldcat(temp, path);
                                        pos = temp;
                                } else {
                                        pos = path;
@@ -343,7 +357,7 @@ print:
                case NAME:
                        if (root)
                                strfieldcpy(result, udev_root);
-                       strncat(result, dev.name, sizeof(result));
+                       strfieldcat(result, dev.name);
                        break;
 
                case SYMLINK:
@@ -366,6 +380,10 @@ print:
                        strfieldcpy(result, path);
                        break;
 
+               case ALL:
+                       print_record(path, &dev);
+                       goto exit;
+
                default:
                        goto exit;
                }
@@ -385,7 +403,7 @@ exit:
                                /* prepend sysfs mountpoint if not given */
                                strfieldcpy(temp, path);
                                strfieldcpy(path, sysfs_path);
-                               strncat(path, temp, sizeof(path));
+                               strfieldcat(path, temp);
                        }
                        print_device_chain(path);
                        return 0;
@@ -406,8 +424,10 @@ help:
               "             'owner'   of node\n"
               "             'group'   of node\n"
               "             'path'    sysfs device path\n"
+              "             'all'     all values\n"
+              "\n"
               "  -p PATH  sysfs device path used for query or chain\n"
-              "  -n NAME  node name used for query\n"
+              "  -n NAME  node/symlink name used for query\n"
               "\n"
               "  -r       print udev root\n"
               "  -a       print all SYSFS_attributes along the device chain\n"