X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udevinfo.c;h=800882eb1aa4b2d077bc7315d41a448e77c99e2b;hp=b94376c9cee22131d7348f4f837982efc7bbe021;hb=dd64e26b0c88892b367f57c4c7a7484e35641c7c;hpb=c80da5085f915bf6305e7ed6b786b63f6e9b14ea diff --git a/udevinfo.c b/udevinfo.c index b94376c9c..800882eb1 100644 --- a/udevinfo.c +++ b/udevinfo.c @@ -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"