294 lines
7.4 KiB
C
294 lines
7.4 KiB
C
/* $NetBSD: main.c,v 1.18 2020/06/07 05:49:05 thorpej Exp $ */
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/*-
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* Copyright (c) 2008 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: main.c,v 1.18 2020/06/07 05:49:05 thorpej Exp $");
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#endif /* !lint */
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#include <sys/module.h>
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#include <sys/queue.h>
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#include <assert.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <err.h>
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#include <prop/proplib.h>
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#include "prog_ops.h"
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static void parse_bool_param(prop_dictionary_t, const char *,
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const char *);
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static void parse_int_param(prop_dictionary_t, const char *,
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const char *);
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static void parse_param(prop_dictionary_t, const char *,
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void (*)(prop_dictionary_t, const char *,
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const char *));
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static void parse_string_param(prop_dictionary_t, const char *,
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const char *);
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static void usage(void) __dead;
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static void merge_dicts(prop_dictionary_t, const prop_dictionary_t);
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int
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main(int argc, char **argv)
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{
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SIMPLEQ_HEAD(del_head, del_item) del_head;
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modctl_load_t cmdargs;
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prop_dictionary_t ext_props, props;
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bool del_props, merge_props, output_props;
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const char *ext_file;
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char *propsstr;
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int ch;
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int flags;
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struct del_item {
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SIMPLEQ_ENTRY(del_item) del_items;
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const char *del_key;
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} *delp;
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SIMPLEQ_INIT(&del_head);
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ext_file = NULL;
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ext_props = NULL;
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props = prop_dictionary_create();
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del_props = merge_props = output_props = false;
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flags = 0;
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while ((ch = getopt(argc, argv, "Pb:d:fi:m:ps:")) != -1) {
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switch (ch) {
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case 'P':
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flags |= MODCTL_NO_PROP;
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break;
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case 'b':
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parse_param(props, optarg, parse_bool_param);
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break;
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case 'd':
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del_props = true;
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delp = malloc(sizeof(struct del_item));
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if (delp == NULL)
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errx(EXIT_FAILURE, "Out of memory");
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delp->del_key = optarg;
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SIMPLEQ_INSERT_TAIL(&del_head, delp, del_items);
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break;
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case 'f':
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flags |= MODCTL_LOAD_FORCE;
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break;
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case 'i':
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parse_param(props, optarg, parse_int_param);
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break;
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case 'm':
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merge_props = true;
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ext_file = optarg;
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break;
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case 'p':
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output_props = true;
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break;
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case 's':
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parse_param(props, optarg, parse_string_param);
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break;
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default:
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usage();
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/* NOTREACHED */
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}
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}
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argc -= optind;
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argv += optind;
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propsstr = prop_dictionary_externalize(props);
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if (propsstr == NULL)
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errx(EXIT_FAILURE, "Failed to process properties");
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if (output_props) {
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if (merge_props) {
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ext_props =
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prop_dictionary_internalize_from_file(ext_file);
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if (ext_props == NULL) {
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errx(EXIT_FAILURE, "Failed to read existing "
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"property list");
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}
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free(propsstr);
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merge_dicts(ext_props, props);
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if (del_props)
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SIMPLEQ_FOREACH(delp, &del_head, del_items)
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prop_dictionary_remove(ext_props,
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delp->del_key);
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propsstr = prop_dictionary_externalize(ext_props);
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if (propsstr == NULL)
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errx(EXIT_FAILURE, "Failed to process "
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"properties");
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}
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fputs(propsstr, stdout);
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} else {
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if (argc != 1)
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usage();
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if (prog_init && prog_init() == -1)
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err(1, "prog init failed");
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cmdargs.ml_filename = argv[0];
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cmdargs.ml_flags = flags;
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cmdargs.ml_props = propsstr;
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cmdargs.ml_propslen = strlen(propsstr);
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if (prog_modctl(MODCTL_LOAD, &cmdargs)) {
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err(EXIT_FAILURE, "%s", cmdargs.ml_filename);
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}
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}
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free(propsstr);
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prop_object_release(props);
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exit(EXIT_SUCCESS);
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}
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static void
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parse_bool_param(prop_dictionary_t props, const char *name,
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const char *value)
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{
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bool boolvalue;
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assert(name != NULL);
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assert(value != NULL);
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if (strcasecmp(value, "1") == 0 ||
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strcasecmp(value, "true") == 0 ||
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strcasecmp(value, "yes") == 0)
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boolvalue = true;
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else if (strcasecmp(value, "0") == 0 ||
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strcasecmp(value, "false") == 0 ||
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strcasecmp(value, "no") == 0)
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boolvalue = false;
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else
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errx(EXIT_FAILURE, "Invalid boolean value `%s'", value);
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if (!prop_dictionary_set_bool(props, name, boolvalue))
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err(EXIT_FAILURE, "prop_dictionary_set_bool");
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}
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static void
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parse_int_param(prop_dictionary_t props, const char *name,
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const char *value)
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{
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int64_t intvalue;
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assert(name != NULL);
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assert(value != NULL);
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if (dehumanize_number(value, &intvalue) != 0)
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err(EXIT_FAILURE, "Invalid integer value `%s'", value);
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if (!prop_dictionary_set_int64(props, name, intvalue))
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err(EXIT_FAILURE, "prop_dictionary_set_int64");
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}
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static void
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parse_param(prop_dictionary_t props, const char *origstr,
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void (*fmt_handler)(prop_dictionary_t, const char *, const char *))
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{
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char *name, *value;
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name = strdup(origstr);
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value = strchr(name, '=');
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if (value == NULL) {
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free(name);
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errx(EXIT_FAILURE, "Invalid parameter `%s'", origstr);
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}
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*value++ = '\0';
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fmt_handler(props, name, value);
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free(name);
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}
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static void
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parse_string_param(prop_dictionary_t props, const char *name,
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const char *value)
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{
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assert(name != NULL);
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assert(value != NULL);
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if (!prop_dictionary_set_string(props, name, value))
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err(EXIT_FAILURE, "prop_dictionary_set_string");
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}
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static void
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usage(void)
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{
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(void)fprintf(stderr,
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"Usage: %s [-fP] [-b var=boolean] [-i var=integer] "
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"[-s var=string] module\n"
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" %s -p [-b var=boolean] [-d var] [-i var=integer] "
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"[-m plist]\n [-s var=string]\n",
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getprogname(), getprogname());
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exit(EXIT_FAILURE);
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}
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static void
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merge_dicts(prop_dictionary_t existing_dict, const prop_dictionary_t new_dict)
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{
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prop_dictionary_keysym_t props_keysym;
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prop_object_iterator_t props_iter;
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prop_object_t props_obj;
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const char *props_key;
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props_iter = prop_dictionary_iterator(new_dict);
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if (props_iter == NULL) {
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errx(EXIT_FAILURE, "Failed to iterate new property list");
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}
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while ((props_obj = prop_object_iterator_next(props_iter)) != NULL) {
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props_keysym = (prop_dictionary_keysym_t)props_obj;
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props_key = prop_dictionary_keysym_value(props_keysym);
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props_obj = prop_dictionary_get_keysym(new_dict, props_keysym);
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if ((props_obj == NULL) || !prop_dictionary_set(existing_dict,
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props_key, props_obj)) {
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errx(EXIT_FAILURE, "Failed to copy "
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"existing property list");
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}
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}
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prop_object_iterator_release(props_iter);
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return;
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}
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