+int jt_lcfg_getparam(int argc, char **argv)
+{
+ int rc = 0, i;
+ struct param_opts popt;
+ char pattern[PATH_MAX];
+ char *path;
+
+ rc = getparam_cmdline(argc, argv, &popt);
+ if (rc < 0 || rc >= argc)
+ return CMD_HELP;
+
+ for (i = rc, rc = 0; i < argc; i++) {
+ int rc2;
+
+ path = argv[i];
+
+ clean_path(path);
+
+ lprocfs_param_pattern(argv[0], path, pattern, sizeof(pattern));
+
+ if (popt.po_only_path)
+ rc2 = listparam_display(&popt, pattern);
+ else
+ rc2 = getparam_display(&popt, pattern);
+ if (rc2 < 0 && rc == 0)
+ rc = rc2;
+ }
+
+ return rc;
+}
+
+static int setparam_cmdline(int argc, char **argv, struct param_opts *popt)
+{
+ int ch;
+
+ popt->po_show_path = 1;
+ popt->po_only_path = 0;
+ popt->po_show_type = 0;
+ popt->po_recursive = 0;
+ popt->po_params2 = 0;
+ popt->po_delete = 0;
+
+ while ((ch = getopt(argc, argv, "nPd")) != -1) {
+ switch (ch) {
+ case 'n':
+ popt->po_show_path = 0;
+ break;
+ case 'P':
+ popt->po_params2 = 1;
+ break;
+ case 'd':
+ popt->po_delete = 1;
+ break;
+ default:
+ return -1;
+ }
+ }
+ return optind;
+}
+
+static int setparam_display(struct param_opts *popt, char *pattern, char *value)
+{
+ int rc;
+ int fd;
+ int i;
+ glob_t glob_info;
+ char filename[PATH_MAX + 1]; /* extra 1 byte for file type */
+
+ rc = glob(pattern, GLOB_BRACE, NULL, &glob_info);
+ if (rc) {
+ fprintf(stderr, "error: set_param: %s: %s\n",
+ pattern, globerrstr(rc));
+ return -ESRCH;
+ }
+ for (i = 0; i < glob_info.gl_pathc; i++) {
+ char *valuename = NULL;
+
+ if (popt->po_show_path) {
+ if (strlen(glob_info.gl_pathv[i]) > sizeof(filename)-1)
+ return -E2BIG;
+ strncpy(filename, glob_info.gl_pathv[i],
+ sizeof(filename));
+ valuename = display_name(filename, 0);
+ if (valuename)
+ printf("%s=%s\n", valuename, value);
+ }
+ /* Write the new value to the file */
+ fd = open(glob_info.gl_pathv[i], O_WRONLY);
+ if (fd >= 0) {
+ rc = write(fd, value, strlen(value));
+ if (rc < 0)
+ fprintf(stderr, "error: set_param: setting "
+ "%s=%s: %s\n", glob_info.gl_pathv[i],
+ value, strerror(errno));
+ else
+ rc = 0;
+ close(fd);
+ } else {
+ fprintf(stderr, "error: set_param: %s opening %s\n",
+ strerror(rc = errno), glob_info.gl_pathv[i]);
+ }
+ }
+
+ globfree(&glob_info);
+ return rc;
+}
+
+int jt_lcfg_setparam(int argc, char **argv)
+{
+ int rc = 0, i;
+ struct param_opts popt;
+ char pattern[PATH_MAX];
+ char *path = NULL, *value = NULL;
+
+ rc = setparam_cmdline(argc, argv, &popt);
+ if (rc < 0 || rc >= argc)
+ return CMD_HELP;
+
+ if (popt.po_params2)
+ /* We can't delete parameters that were
+ * set with old conf_param interface */
+ return jt_lcfg_mgsparam2(argc, argv, &popt);
+
+ for (i = rc, rc = 0; i < argc; i++) {
+ int rc2;
+
+ if ((value = strchr(argv[i], '=')) != NULL) {
+ /* format: set_param a=b */
+ *value = '\0';
+ value ++;
+ path = argv[i];
+ if (*value == '\0')
+ break;
+ } else {
+ /* format: set_param a b */
+ if (path == NULL) {
+ path = argv[i];
+ continue;
+ } else {
+ value = argv[i];
+ }
+ }
+
+ clean_path(path);
+
+ lprocfs_param_pattern(argv[0], path, pattern, sizeof(pattern));
+
+ rc2 = setparam_display(&popt, pattern, value);
+ path = NULL;
+ value = NULL;
+ if (rc2 < 0 && rc == 0)
+ rc = rc2;
+ }
+ if (path != NULL && (value == NULL || *value == '\0'))
+ fprintf(stderr, "error: %s: setting %s=: %s\n",
+ jt_cmdname(argv[0]), path, strerror(rc = EINVAL));
+
+ return rc;
+}
+