X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udevtrigger.c;h=4ef9612af070c0fe413c4070116af4ed1725dc89;hp=c809d2d47bda67cd696e8bcb53d6620155840402;hb=274da2b23d37f2dd174f765e9cfcc485e4a5a898;hpb=5ac285437500a857f69d8b883d5aac3692662d0f diff --git a/udevtrigger.c b/udevtrigger.c index c809d2d47..4ef9612af 100644 --- a/udevtrigger.c +++ b/udevtrigger.c @@ -101,7 +101,7 @@ static int device_list_insert(const char *path) return 0; } -static void trigger_uevent(const char *devpath) +static void trigger_uevent(const char *devpath, const char *action) { char filename[PATH_SIZE]; int fd; @@ -118,17 +118,17 @@ static void trigger_uevent(const char *devpath) fd = open(filename, O_WRONLY); if (fd < 0) { - dbg("error on opening %s: %s\n", filename, strerror(errno)); + dbg("error on opening %s: %s", filename, strerror(errno)); return; } - if (write(fd, "add", 3) < 0) - info("error on triggering %s: %s\n", filename, strerror(errno)); + if (write(fd, action, strlen(action)) < 0) + info("error writing '%s' to '%s': %s", action, filename, strerror(errno)); close(fd); } -static void exec_list(void) +static void exec_list(const char *action) { struct name_entry *loop_device; struct name_entry *tmp_device; @@ -137,14 +137,14 @@ static void exec_list(void) if (delay_device(loop_device->name)) continue; - trigger_uevent(loop_device->name); + trigger_uevent(loop_device->name, action); list_del(&loop_device->node); free(loop_device); } /* trigger remaining delayed devices */ list_for_each_entry_safe(loop_device, tmp_device, &device_list, node) { - trigger_uevent(loop_device->name); + trigger_uevent(loop_device->name, action); list_del(&loop_device->node); free(loop_device); } @@ -407,22 +407,14 @@ static void scan_failed(void) if (dir != NULL) { for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) { char device[PATH_SIZE]; - size_t start, end, i; + size_t start; if (dent->d_name[0] == '.') continue; - strlcpy(device, sysfs_path, sizeof(device)); - start = strlcat(device, "/", sizeof(device)); - end = strlcat(device, dent->d_name, sizeof(device)); - if (end > sizeof(device)) - end = sizeof(device); - - /* replace PATH_TO_NAME_CHAR with '/' */ - for (i = start; i < end; i++) - if (device[i] == PATH_TO_NAME_CHAR) - device[i] = '/'; - + start = strlcpy(device, sysfs_path, sizeof(device)); + strlcat(device, dent->d_name, sizeof(device)); + path_decode(&device[start]); device_list_insert(device); } closedir(dir); @@ -433,11 +425,13 @@ int main(int argc, char *argv[], char *envp[]) { int failed = 0; int option; + const char *action = "add"; static const struct option options[] = { { "verbose", 0, NULL, 'v' }, { "dry-run", 0, NULL, 'n' }, { "retry-failed", 0, NULL, 'F' }, { "help", 0, NULL, 'h' }, + { "action", 1, NULL, 'c' }, { "subsystem-match", 1, NULL, 's' }, { "subsystem-nomatch", 1, NULL, 'S' }, { "attr-match", 1, NULL, 'a' }, @@ -451,7 +445,7 @@ int main(int argc, char *argv[], char *envp[]) sysfs_init(); while (1) { - option = getopt_long(argc, argv, "vnFhs:S:a:A:", options, NULL); + option = getopt_long(argc, argv, "vnFhc:s:S:a:A:", options, NULL); if (option == -1) break; @@ -465,6 +459,9 @@ int main(int argc, char *argv[], char *envp[]) case 'F': failed = 1; break; + case 'c': + action = optarg; + break; case 's': name_list_add(&filter_subsystem_match_list, optarg, 0); break; @@ -519,7 +516,7 @@ int main(int argc, char *argv[], char *envp[]) scan_block(); } } - exec_list(); + exec_list(action); exit: name_list_cleanup(&filter_subsystem_match_list);