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bspwm/messages.c
Bastien Dejean 3e60b44c29 Only allow null nodes for the PATH descriptor 
Fixes #434.
2016-03-27 10:48:57 +02:00

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/* Copyright (c) 2012, Bastien Dejean
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <stdarg.h>
#include <unistd.h>
#include "bspwm.h"
#include "desktop.h"
#include "monitor.h"
#include "pointer.h"
#include "query.h"
#include "rule.h"
#include "restore.h"
#include "settings.h"
#include "tree.h"
#include "window.h"
#include "common.h"
#include "parse.h"
#include "messages.h"
void handle_message(char *msg, int msg_len, FILE *rsp)
{
int cap = INIT_CAP;
int num = 0;
char **args = malloc(cap * sizeof(char *));
if (args == NULL) {
perror("Handle message: malloc");
return;
}
for (int i = 0, j = 0; i < msg_len; i++) {
if (msg[i] == 0) {
args[num++] = msg + j;
j = i + 1;
}
if (num >= cap) {
cap *= 2;
char **new = realloc(args, cap * sizeof(char *));
if (new == NULL) {
free(args);
perror("Handle message: realloc");
return;
} else {
args = new;
}
}
}
if (num < 1) {
free(args);
fail(rsp, "No arguments given.\n");
return;
}
char **args_orig = args;
process_message(args, num, rsp);
free(args_orig);
}
void process_message(char **args, int num, FILE *rsp)
{
int ret = SUBSCRIBE_FAILURE;
if (streq("node", *args)) {
cmd_node(++args, --num, rsp);
} else if (streq("desktop", *args)) {
cmd_desktop(++args, --num, rsp);
} else if (streq("monitor", *args)) {
cmd_monitor(++args, --num, rsp);
} else if (streq("query", *args)) {
cmd_query(++args, --num, rsp);
} else if (streq("subscribe", *args)) {
ret = cmd_subscribe(++args, --num, rsp);
} else if (streq("wm", *args)) {
cmd_wm(++args, --num, rsp);
} else if (streq("rule", *args)) {
cmd_rule(++args, --num, rsp);
} else if (streq("pointer", *args)) {
cmd_pointer(++args, --num, rsp);
} else if (streq("config", *args)) {
cmd_config(++args, --num, rsp);
} else if (streq("quit", *args)) {
cmd_quit(++args, --num, rsp);
} else {
fail(rsp, "Unknown domain or command: '%s'.\n", *args);
}
fflush(rsp);
if (ret != SUBSCRIBE_SUCCESS) {
fclose(rsp);
}
}
void cmd_node(char **args, int num, FILE *rsp)
{
if (num < 1) {
fail(rsp, "node: Missing commands.\n");
return;
}
coordinates_t ref = {mon, mon->desk, mon->desk->focus};
coordinates_t trg = ref;
if ((*args)[0] != OPT_CHR) {
int ret;
if ((ret = node_from_desc(*args, &ref, &trg)) == SELECTOR_OK) {
num--, args++;
} else {
handle_failure(ret, "node", *args, rsp);
return;
}
}
bool changed = false;
while (num > 0) {
if (streq("-f", *args) || streq("--focus", *args)) {
coordinates_t dst = trg;
if (num > 1 && *(args + 1)[0] != OPT_CHR) {
num--, args++;
int ret;
if ((ret = node_from_desc(*args, &trg, &dst)) != SELECTOR_OK) {
handle_failure(ret, "node -f", *args, rsp);
break;
}
}
if (dst.node == NULL || !focus_node(dst.monitor, dst.desktop, dst.node)) {
fail(rsp, "");
break;
}
} else if (streq("-a", *args) || streq("--activate", *args)) {
coordinates_t dst = trg;
if (num > 1 && *(args + 1)[0] != OPT_CHR) {
num--, args++;
int ret;
if ((ret = node_from_desc(*args, &trg, &dst)) != SELECTOR_OK) {
handle_failure(ret, "node -a", *args, rsp);
break;
}
}
if (dst.node == NULL || !activate_node(dst.monitor, dst.desktop, dst.node)) {
fail(rsp, "");
break;
}
} else if (streq("-d", *args) || streq("--to-desktop", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "node %s: Not enough arguments.\n", *(args - 1));
break;
}
coordinates_t dst;
int ret;
if ((ret = desktop_from_desc(*args, &trg, &dst)) == SELECTOR_OK) {
if (transfer_node(trg.monitor, trg.desktop, trg.node, dst.monitor, dst.desktop, dst.desktop->focus)) {
trg.monitor = dst.monitor;
trg.desktop = dst.desktop;
} else {
fail(rsp, "");
break;
}
} else {
handle_failure(ret, "node -d", *args, rsp);
break;
}
} else if (streq("-m", *args) || streq("--to-monitor", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "node %s: Not enough arguments.\n", *(args - 1));
break;
}
coordinates_t dst;
int ret;
if ((ret = monitor_from_desc(*args, &trg, &dst)) == SELECTOR_OK) {
if (transfer_node(trg.monitor, trg.desktop, trg.node, dst.monitor, dst.monitor->desk, dst.monitor->desk->focus)) {
trg.monitor = dst.monitor;
trg.desktop = dst.monitor->desk;
} else {
fail(rsp, "");
break;
}
} else {
handle_failure(ret, "node -m", *args, rsp);
break;
}
} else if (streq("-n", *args) || streq("--to-node", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "node %s: Not enough arguments.\n", *(args - 1));
break;
}
coordinates_t dst;
int ret;
if ((ret = node_from_desc(*args, &trg, &dst)) == SELECTOR_OK) {
if (transfer_node(trg.monitor, trg.desktop, trg.node, dst.monitor, dst.desktop, dst.node)) {
trg.monitor = dst.monitor;
trg.desktop = dst.desktop;
} else {
fail(rsp, "");
break;
}
} else {
handle_failure(ret, "node -n", *args, rsp);
break;
}
} else if (streq("-s", *args) || streq("--swap", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "node %s: Not enough arguments.\n", *(args - 1));
break;
}
coordinates_t dst;
int ret;
if ((ret = node_from_desc(*args, &trg, &dst)) == SELECTOR_OK) {
if (swap_nodes(trg.monitor, trg.desktop, trg.node, dst.monitor, dst.desktop, dst.node)) {
trg.monitor = dst.monitor;
trg.desktop = dst.desktop;
} else {
fail(rsp, "");
break;
}
} else {
handle_failure(ret, "node -s", *args, rsp);
break;
}
} else if (streq("-l", *args) || streq("--layer", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "node %s: Not enough arguments.\n", *(args - 1));
break;
}
stack_layer_t lyr;
if (parse_stack_layer(*args, &lyr)) {
if (!set_layer(trg.monitor, trg.desktop, trg.node, lyr)) {
fail(rsp, "");
break;
}
} else {
fail(rsp, "node %s: Invalid argument: '%s'.\n", *(args - 1), *args);
break;
}
} else if (streq("-t", *args) || streq("--state", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "node %s: Not enough arguments.\n", *(args - 1));
break;
}
client_state_t cst;
bool alternate = false;
if ((*args)[0] == '~') {
alternate = true;
(*args)++;
}
if (parse_client_state(*args, &cst)) {
if (alternate && trg.node != NULL && trg.node->client != NULL &&
trg.node->client->state == cst) {
cst = trg.node->client->last_state;
}
if (!set_state(trg.monitor, trg.desktop, trg.node, cst)) {
fail(rsp, "");
break;
}
changed = true;
} else {
fail(rsp, "node %s: Invalid argument: '%s'.\n", *(args - 1), *args);
break;
}
} else if (streq("-g", *args) || streq("--flag", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "node %s: Not enough arguments.\n", *(args - 1));
break;
}
if (trg.node == NULL || trg.node->client == NULL) {
fail(rsp, "");
break;
}
char *key = strtok(*args, EQL_TOK);
char *val = strtok(NULL, EQL_TOK);
alter_state_t a;
bool b;
if (val == NULL) {
a = ALTER_TOGGLE;
} else {
if (parse_bool(val, &b)) {
a = ALTER_SET;
} else {
fail(rsp, "node %s: Invalid value for %s: '%s'.\n", *(args - 1), key, val);
break;
}
}
if (streq("locked", key)) {
set_locked(trg.monitor, trg.desktop, trg.node, (a == ALTER_SET ? b : !trg.node->locked));
} else if (streq("sticky", key)) {
set_sticky(trg.monitor, trg.desktop, trg.node, (a == ALTER_SET ? b : !trg.node->sticky));
} else if (streq("private", key)) {
set_private(trg.monitor, trg.desktop, trg.node, (a == ALTER_SET ? b : !trg.node->private));
} else {
fail(rsp, "node %s: Invalid key: '%s'.\n", *(args - 1), key);
break;
}
} else if (streq("-p", *args) || streq("--presel-dir", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "node %s: Not enough arguments.\n", *(args - 1));
break;
}
if (trg.node == NULL || trg.node->vacant) {
fail(rsp, "");
break;
}
if (streq("cancel", *args)) {
cancel_presel(trg.monitor, trg.desktop, trg.node);
} else {
bool alternate = false;
if ((*args)[0] == '~') {
alternate = true;
(*args)++;
}
direction_t dir;
if (parse_direction(*args, &dir)) {
if (alternate && trg.node->presel != NULL && trg.node->presel->split_dir == dir) {
cancel_presel(trg.monitor, trg.desktop, trg.node);
} else {
presel_dir(trg.monitor, trg.desktop, trg.node, dir);
if (!IS_RECEPTACLE(trg.node)) {
draw_presel_feedback(trg.monitor, trg.desktop, trg.node);
}
}
} else {
fail(rsp, "node %s: Invalid argument: '%s%s'.\n", *(args - 1), alternate?"~":"", *args);
break;
}
}
} else if (streq("-o", *args) || streq("--presel-ratio", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "node %s: Not enough arguments.\n", *(args - 1));
break;
}
if (trg.node == NULL || trg.node->vacant) {
fail(rsp, "");
break;
}
double rat;
if (sscanf(*args, "%lf", &rat) != 1 || rat <= 0 || rat >= 1) {
fail(rsp, "node %s: Invalid argument: '%s'.\n", *(args - 1), *args);
break;
} else {
presel_ratio(trg.monitor, trg.desktop, trg.node, rat);
draw_presel_feedback(trg.monitor, trg.desktop, trg.node);
}
} else if (streq("-r", *args) || streq("--ratio", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "node %s: Not enough arguments.\n", *(args - 1));
break;
}
if (trg.node == NULL) {
fail(rsp, "");
break;
}
if ((*args)[0] == '+' || (*args)[0] == '-') {
int pix;
if (sscanf(*args, "%i", &pix) == 1) {
int max = (trg.node->split_type == TYPE_HORIZONTAL ? trg.node->rectangle.height : trg.node->rectangle.width);
double rat = ((max * trg.node->split_ratio) + pix) / max;
if (rat > 0 && rat < 1) {
set_ratio(trg.node, rat);
} else {
fail(rsp, "");
break;
}
} else {
fail(rsp, "node %s: Invalid argument: '%s'.\n", *(args - 1), *args);
break;
}
} else {
double rat;
if (sscanf(*args, "%lf", &rat) == 1 && rat > 0 && rat < 1) {
set_ratio(trg.node, rat);
} else {
fail(rsp, "node %s: Invalid argument: '%s'.\n", *(args - 1), *args);
break;
}
}
changed = true;
} else if (streq("-F", *args) || streq("--flip", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "node %s: Not enough arguments.\n", *(args - 1));
break;
}
if (trg.node == NULL) {
fail(rsp, "");
break;
}
flip_t flp;
if (parse_flip(*args, &flp)) {
flip_tree(trg.node, flp);
changed = true;
} else {
fail(rsp, "");
break;
}
} else if (streq("-R", *args) || streq("--rotate", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "node %s: Not enough arguments.\n", *(args - 1));
break;
}
if (trg.node == NULL) {
fail(rsp, "");
break;
}
int deg;
if (parse_degree(*args, &deg)) {
rotate_tree(trg.node, deg);
changed = true;
} else {
fail(rsp, "node %s: Invalid argument: '%s'.\n", *(args - 1), *args);
break;
}
} else if (streq("-E", *args) || streq("--equalize", *args)) {
if (trg.node == NULL) {
fail(rsp, "");
break;
}
equalize_tree(trg.node);
changed = true;
} else if (streq("-B", *args) || streq("--balance", *args)) {
if (trg.node == NULL) {
fail(rsp, "");
break;
}
balance_tree(trg.node);
changed = true;
} else if (streq("-C", *args) || streq("--circulate", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "node %s: Not enough arguments.\n", *(args - 1));
break;
}
if (trg.node == NULL) {
fail(rsp, "");
break;
}
circulate_dir_t cir;
if (parse_circulate_direction(*args, &cir)) {
circulate_leaves(trg.monitor, trg.desktop, trg.node, cir);
changed = true;
} else {
fail(rsp, "node %s: Invalid argument: '%s'.\n", *(args - 1), *args);
break;
}
} else if (streq("-i", *args) || streq("--insert-receptacle", *args)) {
insert_receptacle(trg.monitor, trg.desktop, trg.node);
changed = true;
} else if (streq("-c", *args) || streq("--close", *args)) {
if (num > 1) {
fail(rsp, "node %s: Trailing commands.\n", *args);
break;
}
if (trg.node == NULL || locked_count(trg.node) > 0) {
fail(rsp, "");
break;
}
close_node(trg.node);
break;
} else if (streq("-k", *args) || streq("--kill", *args)) {
if (num > 1) {
fail(rsp, "node %s: Trailing commands.\n", *args);
break;
}
if (trg.node == NULL) {
fail(rsp, "");
break;
}
kill_node(trg.monitor, trg.desktop, trg.node);
changed = true;
break;
} else {
fail(rsp, "node: Unknown command: '%s'.\n", *args);
break;
}
num--, args++;
}
if (changed) {
arrange(trg.monitor, trg.desktop);
}
}
void cmd_desktop(char **args, int num, FILE *rsp)
{
if (num < 1) {
fail(rsp, "desktop: Missing commands.\n");
return;
}
coordinates_t ref = {mon, mon->desk, NULL};
coordinates_t trg = ref;
if ((*args)[0] != OPT_CHR) {
int ret;
if ((ret = desktop_from_desc(*args, &ref, &trg)) == SELECTOR_OK) {
num--, args++;
} else {
handle_failure(ret, "desktop", *args, rsp);
return;
}
}
bool changed = false;
while (num > 0) {
if (streq("-f", *args) || streq("--focus", *args)) {
coordinates_t dst = trg;
if (num > 1 && *(args + 1)[0] != OPT_CHR) {
num--, args++;
int ret;
if ((ret = desktop_from_desc(*args, &trg, &dst)) != SELECTOR_OK) {
handle_failure(ret, "desktop -f", *args, rsp);
break;
}
}
focus_node(dst.monitor, dst.desktop, dst.desktop->focus);
} else if (streq("-a", *args) || streq("--activate", *args)) {
coordinates_t dst = trg;
if (num > 1 && *(args + 1)[0] != OPT_CHR) {
num--, args++;
int ret;
if ((ret = desktop_from_desc(*args, &trg, &dst)) != SELECTOR_OK) {
handle_failure(ret, "desktop -a", *args, rsp);
break;
}
}
activate_desktop(dst.monitor, dst.desktop);
} else if (streq("-m", *args) || streq("--to-monitor", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "desktop %s: Not enough arguments.\n", *(args - 1));
break;
}
if (trg.monitor->desk_head == trg.monitor->desk_tail) {
fail(rsp, "");
break;
}
coordinates_t dst;
int ret;
if ((ret = monitor_from_desc(*args, &trg, &dst)) == SELECTOR_OK) {
if (transfer_desktop(trg.monitor, dst.monitor, trg.desktop)) {
trg.monitor = dst.monitor;
} else {
fail(rsp, "");
break;
}
} else {
handle_failure(ret, "desktop -m", *args, rsp);
break;
}
} else if (streq("-s", *args) || streq("--swap", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "desktop %s: Not enough arguments.\n", *(args - 1));
break;
}
coordinates_t dst;
int ret;
if ((ret = desktop_from_desc(*args, &trg, &dst)) == SELECTOR_OK) {
if (swap_desktops(trg.monitor, trg.desktop, dst.monitor, dst.desktop)) {
trg.monitor = dst.monitor;
} else {
fail(rsp, "");
break;
}
} else {
handle_failure(ret, "desktop -s", *args, rsp);
break;
}
} else if (streq("-b", *args) || streq("--bubble", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "desktop %s: Not enough arguments.\n", *(args - 1));
break;
}
cycle_dir_t cyc;
if (parse_cycle_direction(*args, &cyc)) {
desktop_t *d = trg.desktop;
if (cyc == CYCLE_PREV) {
if (d->prev == NULL) {
while (d->next != NULL) {
swap_desktops(trg.monitor, d, trg.monitor, d->next);
}
} else {
swap_desktops(trg.monitor, d, trg.monitor, d->prev);
}
} else {
if (d->next == NULL) {
while (d->prev != NULL) {
swap_desktops(trg.monitor, d, trg.monitor, d->prev);
}
} else {
swap_desktops(trg.monitor, d, trg.monitor, d->next);
}
}
} else {
fail(rsp, "desktop %s: Invalid argument: '%s'.\n", *(args - 1), *args);
break;
}
} else if (streq("-l", *args) || streq("--layout", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "desktop %s: Not enough arguments.\n", *(args - 1));
break;
}
layout_t lyt;
cycle_dir_t cyc;
if (parse_cycle_direction(*args, &cyc)) {
change_layout(trg.monitor, trg.desktop, (trg.desktop->layout + 1) % 2);
} else if (parse_layout(*args, &lyt)) {
change_layout(trg.monitor, trg.desktop, lyt);
} else {
fail(rsp, "desktop %s: Invalid argument: '%s'.\n", *(args - 1), *args);
break;
}
} else if (streq("-n", *args) || streq("--rename", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "desktop %s: Not enough arguments.\n", *(args - 1));
break;
}
rename_desktop(trg.monitor, trg.desktop, *args);
} else if (streq("-r", *args) || streq("--remove", *args)) {
if (num > 1) {
fail(rsp, "desktop %s: Trailing commands.\n", *args);
break;
}
if (trg.desktop->root == NULL &&
trg.monitor->desk_head != trg.monitor->desk_tail) {
remove_desktop(trg.monitor, trg.desktop);
return;
} else {
fail(rsp, "");
break;
}
} else {
fail(rsp, "desktop: Unknown command: '%s'.\n", *args);
break;
}
num--, args++;
}
if (changed) {
arrange(trg.monitor, trg.desktop);
}
}
void cmd_monitor(char **args, int num, FILE *rsp)
{
if (num < 1) {
fail(rsp, "monitor: Missing commands.\n");
return;
}
coordinates_t ref = {mon, NULL, NULL};
coordinates_t trg = ref;
if ((*args)[0] != OPT_CHR) {
int ret;
if ((ret = monitor_from_desc(*args, &ref, &trg)) == SELECTOR_OK) {
num--, args++;
} else {
handle_failure(ret, "monitor", *args, rsp);
return;
}
}
while (num > 0) {
if (streq("-f", *args) || streq("--focus", *args)) {
coordinates_t dst = trg;
if (num > 1 && *(args + 1)[0] != OPT_CHR) {
num--, args++;
int ret;
if ((ret = monitor_from_desc(*args, &trg, &dst)) != SELECTOR_OK) {
handle_failure(ret, "monitor -f", *args, rsp);
fail(rsp, "");
return;
}
}
focus_node(dst.monitor, dst.monitor->desk, dst.monitor->desk->focus);
} else if (streq("-d", *args) || streq("--reset-desktops", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "monitor %s: Not enough arguments.\n", *(args - 1));
return;
}
desktop_t *d = trg.monitor->desk_head;
while (num > 0 && d != NULL) {
rename_desktop(trg.monitor, d, *args);
d = d->next;
num--, args++;
}
put_status(SBSC_MASK_REPORT);
while (num > 0) {
add_desktop(trg.monitor, make_desktop(*args, XCB_NONE));
num--, args++;
}
while (d != NULL) {
desktop_t *next = d->next;
if (d == mon->desk) {
focus_node(trg.monitor, d->prev, d->prev->focus);
}
merge_desktops(trg.monitor, d, mon, mon->desk);
remove_desktop(trg.monitor, d);
d = next;
}
} else if (streq("-a", *args) || streq("--add-desktops", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "monitor %s: Not enough arguments.\n", *(args - 1));
return;
}
while (num > 0) {
add_desktop(trg.monitor, make_desktop(*args, XCB_NONE));
num--, args++;
}
} else if (streq("-r", *args) || streq("--remove", *args)) {
if (num > 1) {
fail(rsp, "monitor %s: Trailing commands.\n", *args);
return;
}
if (mon_head == mon_tail) {
fail(rsp, "");
return;
}
remove_monitor(trg.monitor);
return;
} else if (streq("-o", *args) || streq("--order-desktops", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "monitor %s: Not enough arguments.\n", *(args - 1));
return;
}
desktop_t *d = trg.monitor->desk_head;
while (d != NULL && num > 0) {
desktop_t *next = d->next;
coordinates_t dst;
if (locate_desktop(*args, &dst) && dst.monitor == trg.monitor) {
swap_desktops(trg.monitor, d, dst.monitor, dst.desktop);
if (next == dst.desktop) {
next = d;
}
}
d = next;
num--, args++;
}
} else if (streq("-g", *args) || streq("--rectangle", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "monitor %s: Not enough arguments.\n", *(args - 1));
return;
}
xcb_rectangle_t r;
if (parse_rectangle(*args, &r)) {
update_root(trg.monitor, &r);
} else {
fail(rsp, "monitor %s: Invalid argument: '%s'.\n", *(args - 1), *args);
return;
}
} else if (streq("-n", *args) || streq("--rename", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "monitor %s: Not enough arguments.\n", *(args - 1));
return;
}
rename_monitor(trg.monitor, *args);
} else if (streq("-s", *args) || streq("--swap", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "monitor %s: Not enough arguments.\n", *(args - 1));
return;
}
coordinates_t dst;
int ret;
if ((ret = monitor_from_desc(*args, &trg, &dst)) == SELECTOR_OK) {
if (!swap_monitors(trg.monitor, dst.monitor)) {
fail(rsp, "");
return;
}
} else {
handle_failure(ret, "monitor -s", *args, rsp);
return;
}
} else {
fail(rsp, "monitor: Unknown command: '%s'.\n", *args);
return;
}
num--, args++;
}
}
void cmd_query(char **args, int num, FILE *rsp)
{
coordinates_t ref = {mon, mon->desk, mon->desk->focus};
coordinates_t trg = {NULL, NULL, NULL};
monitor_select_t *monitor_sel = NULL;
desktop_select_t *desktop_sel = NULL;
node_select_t *node_sel = NULL;
domain_t dom = DOMAIN_TREE;
int d = 0, t = 0;
while (num > 0) {
if (streq("-T", *args) || streq("--tree", *args)) {
dom = DOMAIN_TREE, d++;
} else if (streq("-M", *args) || streq("--monitors", *args)) {
dom = DOMAIN_MONITOR, d++;
} else if (streq("-D", *args) || streq("--desktops", *args)) {
dom = DOMAIN_DESKTOP, d++;
} else if (streq("-N", *args) || streq("--nodes", *args)) {
dom = DOMAIN_NODE, d++;
} else if (streq("-m", *args) || streq("--monitor", *args)) {
if (num > 1 && *(args + 1)[0] != OPT_CHR) {
num--, args++;
int ret;
if ((*args)[0] == '.') {
free(monitor_sel);
monitor_sel = malloc(sizeof(monitor_select_t));
*monitor_sel = make_monitor_select();
char *desc = copy_string(*args, strlen(*args));
if (!parse_monitor_modifiers(desc, monitor_sel)) {
handle_failure(SELECTOR_BAD_MODIFIERS, "query -m", *args, rsp);
free(desc);
goto end;
}
free(desc);
} else if ((ret = monitor_from_desc(*args, &ref, &trg)) != SELECTOR_OK) {
handle_failure(ret, "query -m", *args, rsp);
goto end;
}
} else {
trg.monitor = ref.monitor;
}
t++;
} else if (streq("-d", *args) || streq("--desktop", *args)) {
if (num > 1 && *(args + 1)[0] != OPT_CHR) {
num--, args++;
int ret;
if ((*args)[0] == '.') {
free(desktop_sel);
desktop_sel = malloc(sizeof(desktop_select_t));
*desktop_sel = make_desktop_select();
char *desc = copy_string(*args, strlen(*args));
if (!parse_desktop_modifiers(desc, desktop_sel)) {
handle_failure(SELECTOR_BAD_MODIFIERS, "query -d", *args, rsp);
free(desc);
goto end;
}
free(desc);
} else if ((ret = desktop_from_desc(*args, &ref, &trg)) != SELECTOR_OK) {
handle_failure(ret, "query -d", *args, rsp);
goto end;
}
} else {
trg.monitor = ref.monitor;
trg.desktop = ref.desktop;
}
t++;
} else if (streq("-n", *args) || streq("--node", *args)) {
if (num > 1 && *(args + 1)[0] != OPT_CHR) {
num--, args++;
int ret;
if ((*args)[0] == '.') {
free(node_sel);
node_sel = malloc(sizeof(node_select_t));
*node_sel = make_node_select();
char *desc = copy_string(*args, strlen(*args));
if (!parse_node_modifiers(desc, node_sel)) {
handle_failure(SELECTOR_BAD_MODIFIERS, "query -n", *args, rsp);
free(desc);
goto end;
}
free(desc);
} else if ((ret = node_from_desc(*args, &ref, &trg)) != SELECTOR_OK) {
handle_failure(ret, "query -n", *args, rsp);
goto end;
}
} else {
trg = ref;
if (ref.node == NULL) {
fail(rsp, "");
goto end;
}
}
t++;
} else {
fail(rsp, "query: Unknown option: '%s'.\n", *args);
goto end;
}
num--, args++;
}
if (d != 1 || t > 1) {
fail(rsp, "query: Exactly one domain and at most one constraint must be specified.\n");
goto end;
}
if (dom == DOMAIN_NODE) {
if (query_node_ids(trg, node_sel, rsp) < 1) {
fail(rsp, "");
}
} else if (dom == DOMAIN_DESKTOP) {
if (query_desktop_ids(trg, desktop_sel, rsp) < 1) {
fail(rsp, "");
}
} else if (dom == DOMAIN_MONITOR) {
if (query_monitor_ids(trg, monitor_sel, rsp) < 1) {
fail(rsp, "");
}
} else {
if (trg.node != NULL) {
query_node(trg.node, rsp);
} else if (trg.desktop != NULL) {
query_desktop(trg.desktop, rsp);
} else if (trg.monitor != NULL) {
query_monitor(trg.monitor, rsp);
} else {
fail(rsp, "");
goto end;
}
fprintf(rsp, "\n");
}
end:
free(monitor_sel);
free(desktop_sel);
free(node_sel);
}
void cmd_rule(char **args, int num, FILE *rsp)
{
if (num < 1) {
fail(rsp, "rule: Missing commands.\n");
return;
}
while (num > 0) {
if (streq("-a", *args) || streq("--add", *args)) {
num--, args++;
if (num < 2) {
fail(rsp, "rule %s: Not enough arguments.\n", *(args - 1));
return;
}
rule_t *rule = make_rule();
char *class_name = strtok(*args, COL_TOK);
char *instance_name = strtok(NULL, COL_TOK);
snprintf(rule->class_name, sizeof(rule->class_name), "%s", class_name);
snprintf(rule->instance_name, sizeof(rule->instance_name), "%s", instance_name==NULL?MATCH_ANY:instance_name);
num--, args++;
size_t i = 0;
while (num > 0) {
if (streq("-o", *args) || streq("--one-shot", *args)) {
rule->one_shot = true;
} else {
for (size_t j = 0; i < sizeof(rule->effect) && j < strlen(*args); i++, j++) {
rule->effect[i] = (*args)[j];
}
if (num > 1 && i < sizeof(rule->effect)) {
rule->effect[i++] = ' ';
}
}
num--, args++;
}
rule->effect[MIN(i, sizeof(rule->effect) - 1)] = '\0';
add_rule(rule);
} else if (streq("-r", *args) || streq("--remove", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "rule %s: Not enough arguments.\n", *(args - 1));
return;
}
uint16_t idx;
while (num > 0) {
if (parse_index(*args, &idx)) {
remove_rule_by_index(idx - 1);
} else if (streq("tail", *args)) {
remove_rule(rule_tail);
} else if (streq("head", *args)) {
remove_rule(rule_head);
} else {
remove_rule_by_cause(*args);
}
num--, args++;
}
} else if (streq("-l", *args) || streq("--list", *args)) {
list_rules(rsp);
} else {
fail(rsp, "rule: Unknown command: '%s'.\n", *args);
return;
}
num--, args++;
}
}
void cmd_pointer(char **args, int num, FILE *rsp)
{
if (num < 1) {
fail(rsp, "pointer: Missing commands.\n");
return;
}
while (num > 0) {
if (streq("-t", *args) || streq("--track", *args)) {
num--, args++;
if (num < 2) {
fail(rsp, "pointer %s: Not enough arguments.\n", *(args - 1));
return;
}
int x, y;
if (sscanf(*args, "%i", &x) == 1 && sscanf(*(args + 1), "%i", &y) == 1) {
track_pointer(x, y);
} else {
fail(rsp, "");
return;
}
num--, args++;
} else if (streq("-g", *args) || streq("--grab", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "pointer %s: Not enough arguments.\n", *(args - 1));
return;
}
pointer_action_t pac;
if (parse_pointer_action(*args, &pac)) {
grab_pointer(pac);
} else {
fail(rsp, "pointer %s: Invalid argument: '%s'.\n", *(args - 1), *args);
return;
}
} else if (streq("-u", *args) || streq("--ungrab", *args)) {
ungrab_pointer();
} else {
fail(rsp, "pointer: Unknown command: '%s'.\n", *args);
return;
}
num--, args++;
}
}
void cmd_wm(char **args, int num, FILE *rsp)
{
if (num < 1) {
fail(rsp, "wm: Missing commands.\n");
return;
}
while (num > 0) {
if (streq("-d", *args) || streq("--dump-state", *args)) {
query_tree(rsp);
fprintf(rsp, "\n");
} else if (streq("-l", *args) || streq("--load-state", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "wm %s: Not enough arguments.\n", *(args - 1));
break;
}
if (!restore_tree(*args)) {
fail(rsp, "");
break;
}
} else if (streq("-a", *args) || streq("--add-monitor", *args)) {
num--, args++;
if (num < 2) {
fail(rsp, "wm %s: Not enough arguments.\n", *(args - 1));
break;
}
char *name = *args;
num--, args++;
xcb_rectangle_t r;
if (parse_rectangle(*args, &r)) {
monitor_t *m = make_monitor(&r, XCB_NONE);
snprintf(m->name, sizeof(m->name), "%s", name);
add_monitor(m);
add_desktop(m, make_desktop(NULL, XCB_NONE));
} else {
fail(rsp, "wm %s: Invalid argument: '%s'.\n", *(args - 1), *args);
break;
}
} else if (streq("-o", *args) || streq("--adopt-orphans", *args)) {
adopt_orphans();
} else if (streq("-g", *args) || streq("--get-status", *args)) {
print_report(rsp);
} else if (streq("-h", *args) || streq("--record-history", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "wm %s: Not enough arguments.\n", *(args - 1));
break;
}
bool b;
if (parse_bool(*args, &b)) {
record_history = b;
} else {
fail(rsp, "wm %s: Invalid argument: '%s'.\n", *(args - 1), *args);
break;
}
} else {
fail(rsp, "wm: Unkown command: '%s'.\n", *args);
break;
}
num--, args++;
}
}
int cmd_subscribe(char **args, int num, FILE *rsp)
{
int field = 0;
if (num < 1) {
field = SBSC_MASK_REPORT;
} else {
subscriber_mask_t mask;
while (num > 0) {
if (parse_subscriber_mask(*args, &mask)) {
field |= mask;
} else {
fail(rsp, "subscribe: Invalid argument: '%s'.\n", *args);
return SUBSCRIBE_FAILURE;
}
num--, args++;
}
}
add_subscriber(rsp, field);
return SUBSCRIBE_SUCCESS;
}
void cmd_quit(char **args, int num, FILE *rsp)
{
if (num > 0 && sscanf(*args, "%i", &exit_status) != 1) {
fail(rsp, "%s: Invalid argument: '%s'.\n", *(args - 1), *args);
return;
}
running = false;
}
void cmd_config(char **args, int num, FILE *rsp)
{
if (num < 1) {
fail(rsp, "config: Missing arguments.\n");
return;
}
coordinates_t ref = {mon, mon->desk, mon->desk->focus};
coordinates_t trg = {NULL, NULL, NULL};
while (num > 0 && (*args)[0] == OPT_CHR) {
if (streq("-m", *args) || streq("--monitor", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "config %s: Not enough arguments.\n", *(args - 1));
return;
}
int ret;
if ((ret = monitor_from_desc(*args, &ref, &trg)) != SELECTOR_OK) {
handle_failure(ret, "config -m", *args, rsp);
return;
}
} else if (streq("-d", *args) || streq("--desktop", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "config %s: Not enough arguments.\n", *(args - 1));
return;
}
int ret;
if ((ret = desktop_from_desc(*args, &ref, &trg)) != SELECTOR_OK) {
handle_failure(ret, "config -d", *args, rsp);
return;
}
} else if (streq("-n", *args) || streq("--node", *args)) {
num--, args++;
if (num < 1) {
fail(rsp, "config %s: Not enough arguments.\n", *(args - 1));
return;
}
int ret;
if ((ret = node_from_desc(*args, &ref, &trg)) != SELECTOR_OK) {
handle_failure(ret, "config -n", *args, rsp);
return;
}
} else {
fail(rsp, "config: Unknown option: '%s'.\n", *args);
return;
}
num--, args++;
}
if (num == 2) {
set_setting(trg, *args, *(args + 1), rsp);
} else if (num == 1) {
get_setting(trg, *args, rsp);
} else {
fail(rsp, "config: Was expecting 1 or 2 arguments, received %i.\n", num);
}
}
void set_setting(coordinates_t loc, char *name, char *value, FILE *rsp)
{
bool colors_changed = false;
#define SET_DEF_DEFMON_DEFDESK_WIN(k, v) \
if (loc.node != NULL) { \
loc.node->client->k = v; \
} else if (loc.desktop != NULL) { \
loc.desktop->k = v; \
for (node_t *n = first_extrema(loc.desktop->root); n != NULL; n = next_leaf(n, loc.desktop->root)) { \
if (n->client != NULL) { \
n->client->k = v; \
} \
} \
} else if (loc.monitor != NULL) { \
loc.monitor->k = v; \
for (desktop_t *d = loc.monitor->desk_head; d != NULL; d = d->next) { \
d->k = v; \
for (node_t *n = first_extrema(d->root); n != NULL; n = next_leaf(n, d->root)) { \
if (n->client != NULL) { \
n->client->k = v; \
} \
} \
} \
} else { \
k = v; \
for (monitor_t *m = mon_head; m != NULL; m = m->next) { \
m->k = v; \
for (desktop_t *d = m->desk_head; d != NULL; d = d->next) { \
d->k = v; \
for (node_t *n = first_extrema(d->root); n != NULL; n = next_leaf(n, d->root)) { \
if (n->client != NULL) { \
n->client->k = v; \
} \
} \
} \
} \
}
if (streq("border_width", name)) {
unsigned int bw;
if (sscanf(value, "%u", &bw) != 1) {
fail(rsp, "config: %s: Invalid value: '%s'.", name, value);
return;
}
SET_DEF_DEFMON_DEFDESK_WIN(border_width, bw)
#undef SET_DEF_DEFMON_DEFDESK_WIN
#define SET_DEF_DEFMON_DESK(k, v) \
if (loc.desktop != NULL) { \
loc.desktop->k = v; \
} else if (loc.monitor != NULL) { \
loc.monitor->k = v; \
for (desktop_t *d = loc.monitor->desk_head; d != NULL; d = d->next) { \
d->k = v; \
} \
} else { \
k = v; \
for (monitor_t *m = mon_head; m != NULL; m = m->next) { \
m->k = v; \
for (desktop_t *d = m->desk_head; d != NULL; d = d->next) { \
d->k = v; \
} \
} \
}
} else if (streq("window_gap", name)) {
int wg;
if (sscanf(value, "%i", &wg) != 1) {
fail(rsp, "");
return;
}
SET_DEF_DEFMON_DESK(window_gap, wg)
#undef SET_DEF_DEFMON_DESK
#define SET_DEF_MON_DESK(k, v) \
if (loc.desktop != NULL) { \
loc.desktop->k = v; \
} else if (loc.monitor != NULL) { \
loc.monitor->k = v; \
} else { \
k = v; \
for (monitor_t *m = mon_head; m != NULL; m = m->next) { \
m->k = v; \
} \
}
} else if (streq("top_padding", name)) {
int tp;
if (sscanf(value, "%i", &tp) != 1) {
fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value);
return;
}
SET_DEF_MON_DESK(padding.top, tp)
} else if (streq("right_padding", name)) {
int rp;
if (sscanf(value, "%i", &rp) != 1) {
fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value);
return;
}
SET_DEF_MON_DESK(padding.right, rp)
} else if (streq("bottom_padding", name)) {
int bp;
if (sscanf(value, "%i", &bp) != 1) {
fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value);
return;
}
SET_DEF_MON_DESK(padding.bottom, bp)
} else if (streq("left_padding", name)) {
int lp;
if (sscanf(value, "%i", &lp) != 1) {
fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value);
return;
}
SET_DEF_MON_DESK(padding.left, lp)
#undef SET_DEF_MON_DESK
#define SET_STR(s) \
} else if (streq(#s, name)) { \
if (snprintf(s, sizeof(s), "%s", value) < 0) { \
fail(rsp, ""); \
return; \
}
SET_STR(external_rules_command)
SET_STR(status_prefix)
#undef SET_STR
} else if (streq("split_ratio", name)) {
double r;
if (sscanf(value, "%lf", &r) == 1 && r > 0 && r < 1) {
split_ratio = r;
} else {
fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value); \
return;
}
return;
#define SET_COLOR(s) \
} else if (streq(#s, name)) { \
if (!is_hex_color(value)) { \
fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value); \
return; \
} else { \
snprintf(s, sizeof(s), "%s", value); \
colors_changed = true; \
}
SET_COLOR(normal_border_color)
SET_COLOR(active_border_color)
SET_COLOR(focused_border_color)
SET_COLOR(presel_feedback_color)
#undef SET_COLOR
} else if (streq("initial_polarity", name)) {
child_polarity_t p;
if (parse_child_polarity(value, &p)) {
initial_polarity = p;
} else {
fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value);
return;
}
} else if (streq("focus_follows_pointer", name)) {
bool b;
if (parse_bool(value, &b)) {
if (b == focus_follows_pointer) {
return;
}
focus_follows_pointer = b;
uint32_t values[] = {CLIENT_EVENT_MASK | (focus_follows_pointer ? XCB_EVENT_MASK_ENTER_WINDOW : 0)};
for (monitor_t *m = mon_head; m != NULL; m = m->next) {
for (desktop_t *d = m->desk_head; d != NULL; d = d->next) {
for (node_t *n = first_extrema(d->root); n != NULL; n = next_leaf(n, d->root)) {
if (n->client == NULL) {
continue;
}
xcb_change_window_attributes(dpy, n->id, XCB_CW_EVENT_MASK, values);
}
}
}
if (focus_follows_pointer) {
for (monitor_t *m = mon_head; m != NULL; m = m->next) {
window_show(m->root);
}
} else {
for (monitor_t *m = mon_head; m != NULL; m = m->next) {
window_hide(m->root);
}
disable_motion_recorder();
}
return;
} else {
fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value);
return;
}
#define SET_BOOL(s) \
} else if (streq(#s, name)) { \
if (!parse_bool(value, &s)) { \
fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value); \
return; \
}
SET_BOOL(borderless_monocle)
SET_BOOL(gapless_monocle)
SET_BOOL(paddingless_monocle)
SET_BOOL(single_monocle)
SET_BOOL(pointer_follows_focus)
SET_BOOL(pointer_follows_monitor)
SET_BOOL(history_aware_focus)
SET_BOOL(focus_by_distance)
SET_BOOL(ignore_ewmh_focus)
SET_BOOL(center_pseudo_tiled)
#undef SET_BOOL
#define SET_MON_BOOL(s) \
} else if (streq(#s, name)) { \
if (!parse_bool(value, &s)) { \
fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value); \
return; \
} \
if (s) { \
update_monitors(); \
}
SET_MON_BOOL(remove_disabled_monitors)
SET_MON_BOOL(remove_unplugged_monitors)
SET_MON_BOOL(merge_overlapping_monitors)
#undef SET_MON_BOOL
} else {
fail(rsp, "config: Unknown setting: '%s'.\n", name);
return;
}
for (monitor_t *m = mon_head; m != NULL; m = m->next) {
for (desktop_t *d = m->desk_head; d != NULL; d = d->next) {
arrange(m, d);
if (colors_changed) {
update_colors_in(d->root, d, m);
}
}
}
}
void get_setting(coordinates_t loc, char *name, FILE* rsp)
{
if (streq("split_ratio", name)) {
fprintf(rsp, "%lf", split_ratio);
} else if (streq("border_width", name)) {
if (loc.node != NULL) {
fprintf(rsp, "%u", loc.node->client->border_width);
} else if (loc.desktop != NULL) {
fprintf(rsp, "%u", loc.desktop->border_width);
} else if (loc.monitor != NULL) {
fprintf(rsp, "%u", loc.monitor->border_width);
} else {
fprintf(rsp, "%u", border_width);
}
} else if (streq("window_gap", name)) {
if (loc.desktop != NULL) {
fprintf(rsp, "%i", loc.desktop->window_gap);
} else if (loc.monitor != NULL) {
fprintf(rsp, "%i", loc.monitor->window_gap);
} else {
fprintf(rsp, "%i", window_gap);
}
#define GET_DEF_MON_DESK(k) \
if (loc.desktop != NULL) { \
fprintf(rsp, "%i", loc.desktop->k); \
} else if (loc.monitor != NULL) { \
fprintf(rsp, "%i", loc.monitor->k); \
} else { \
fprintf(rsp, "%i", k); \
}
} else if (streq("top_padding", name)) {
GET_DEF_MON_DESK(padding.top)
} else if (streq("right_padding", name)) {
GET_DEF_MON_DESK(padding.right)
} else if (streq("bottom_padding", name)) {
GET_DEF_MON_DESK(padding.bottom)
} else if (streq("left_padding", name)) {
GET_DEF_MON_DESK(padding.left)
#undef GET_DEF_MON_DESK
} else if (streq("external_rules_command", name)) {
fprintf(rsp, "%s", external_rules_command);
} else if (streq("status_prefix", name)) {
fprintf(rsp, "%s", status_prefix);
} else if (streq("initial_polarity", name)) {
fprintf(rsp, "%s", CHILD_POL_STR(initial_polarity));
#define GET_COLOR(s) \
} else if (streq(#s, name)) { \
fprintf(rsp, "%s", s);
GET_COLOR(normal_border_color)
GET_COLOR(active_border_color)
GET_COLOR(focused_border_color)
GET_COLOR(presel_feedback_color)
#undef GET_COLOR
#define GET_BOOL(s) \
} else if (streq(#s, name)) { \
fprintf(rsp, "%s", BOOL_STR(s));
GET_BOOL(borderless_monocle)
GET_BOOL(gapless_monocle)
GET_BOOL(paddingless_monocle)
GET_BOOL(single_monocle)
GET_BOOL(focus_follows_pointer)
GET_BOOL(pointer_follows_focus)
GET_BOOL(pointer_follows_monitor)
GET_BOOL(history_aware_focus)
GET_BOOL(focus_by_distance)
GET_BOOL(ignore_ewmh_focus)
GET_BOOL(center_pseudo_tiled)
GET_BOOL(remove_disabled_monitors)
GET_BOOL(remove_unplugged_monitors)
GET_BOOL(merge_overlapping_monitors)
#undef GET_BOOL
} else {
fail(rsp, "config: Unknown setting: '%s'.\n", name);
return;
}
fprintf(rsp, "\n");
}
void handle_failure(int code, char *src, char *val, FILE *rsp)
{
switch (code) {
case SELECTOR_BAD_DESCRIPTOR:
fail(rsp, "%s: Invalid descriptor found in '%s'.\n", src, val);
break;
case SELECTOR_BAD_MODIFIERS:
fail(rsp, "%s: Invalid modifier found in '%s'.\n", src, val);
break;
case SELECTOR_INVALID:
fail(rsp, "");
break;
}
}
void fail(FILE *rsp, char *fmt, ...)
{
fprintf(rsp, FAILURE_MESSAGE);
va_list ap;
va_start(ap, fmt);
vfprintf(rsp, fmt, ap);
va_end(ap);
}
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