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505 lines
13 KiB
505 lines
13 KiB
#define _POSIX_C_SOURCE 200809L
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#define _XOPEN_SOURCE 700
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#include <stdio.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <libgen.h>
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#include <wordexp.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <sys/stat.h>
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#include <signal.h>
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#include <libinput.h>
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#include <limits.h>
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#include <float.h>
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#include <dirent.h>
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#include <strings.h>
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#ifdef __linux__
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#include <linux/input-event-codes.h>
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#elif __FreeBSD__
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#include <dev/evdev/input-event-codes.h>
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#endif
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#include <wlr/types/wlr_output.h>
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#include "sway/commands.h"
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#include "sway/config.h"
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#include "sway/layout.h"
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#include "readline.h"
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#include "stringop.h"
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#include "list.h"
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#include "log.h"
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struct sway_config *config = NULL;
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void free_config(struct sway_config *config) {
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// TODO
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}
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static void config_defaults(struct sway_config *config) {
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if (!(config->symbols = create_list())) goto cleanup;
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if (!(config->modes = create_list())) goto cleanup;
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if (!(config->bars = create_list())) goto cleanup;
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if (!(config->workspace_outputs = create_list())) goto cleanup;
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if (!(config->pid_workspaces = create_list())) goto cleanup;
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if (!(config->criteria = create_list())) goto cleanup;
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if (!(config->no_focus = create_list())) goto cleanup;
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if (!(config->input_configs = create_list())) goto cleanup;
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if (!(config->output_configs = create_list())) goto cleanup;
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if (!(config->cmd_queue = create_list())) goto cleanup;
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if (!(config->current_mode = malloc(sizeof(struct sway_mode)))) goto cleanup;
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if (!(config->current_mode->name = malloc(sizeof("default")))) goto cleanup;
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strcpy(config->current_mode->name, "default");
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if (!(config->current_mode->bindings = create_list())) goto cleanup;
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list_add(config->modes, config->current_mode);
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config->floating_mod = 0;
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config->dragging_key = BTN_LEFT;
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config->resizing_key = BTN_RIGHT;
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if (!(config->floating_scroll_up_cmd = strdup(""))) goto cleanup;
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if (!(config->floating_scroll_down_cmd = strdup(""))) goto cleanup;
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if (!(config->floating_scroll_left_cmd = strdup(""))) goto cleanup;
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if (!(config->floating_scroll_right_cmd = strdup(""))) goto cleanup;
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config->default_layout = L_NONE;
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config->default_orientation = L_NONE;
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if (!(config->font = strdup("monospace 10"))) goto cleanup;
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// TODO: border
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//config->font_height = get_font_text_height(config->font);
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// floating view
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config->floating_maximum_width = 0;
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config->floating_maximum_height = 0;
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config->floating_minimum_width = 75;
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config->floating_minimum_height = 50;
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// Flags
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config->focus_follows_mouse = true;
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config->mouse_warping = true;
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config->reloading = false;
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config->active = false;
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config->failed = false;
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config->auto_back_and_forth = false;
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config->seamless_mouse = true;
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config->reading = false;
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config->show_marks = true;
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config->edge_gaps = true;
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config->smart_gaps = false;
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config->gaps_inner = 0;
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config->gaps_outer = 0;
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if (!(config->active_bar_modifiers = create_list())) goto cleanup;
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if (!(config->config_chain = create_list())) goto cleanup;
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config->current_config = NULL;
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// borders
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config->border = B_NORMAL;
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config->floating_border = B_NORMAL;
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config->border_thickness = 2;
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config->floating_border_thickness = 2;
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config->hide_edge_borders = E_NONE;
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// border colors
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config->border_colors.focused.border = 0x4C7899FF;
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config->border_colors.focused.background = 0x285577FF;
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config->border_colors.focused.text = 0xFFFFFFFF;
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config->border_colors.focused.indicator = 0x2E9EF4FF;
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config->border_colors.focused.child_border = 0x285577FF;
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config->border_colors.focused_inactive.border = 0x333333FF;
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config->border_colors.focused_inactive.background = 0x5F676AFF;
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config->border_colors.focused_inactive.text = 0xFFFFFFFF;
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config->border_colors.focused_inactive.indicator = 0x484E50FF;
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config->border_colors.focused_inactive.child_border = 0x5F676AFF;
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config->border_colors.unfocused.border = 0x333333FF;
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config->border_colors.unfocused.background = 0x222222FF;
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config->border_colors.unfocused.text = 0x888888FF;
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config->border_colors.unfocused.indicator = 0x292D2EFF;
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config->border_colors.unfocused.child_border = 0x222222FF;
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config->border_colors.urgent.border = 0x2F343AFF;
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config->border_colors.urgent.background = 0x900000FF;
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config->border_colors.urgent.text = 0xFFFFFFFF;
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config->border_colors.urgent.indicator = 0x900000FF;
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config->border_colors.urgent.child_border = 0x900000FF;
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config->border_colors.placeholder.border = 0x000000FF;
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config->border_colors.placeholder.background = 0x0C0C0CFF;
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config->border_colors.placeholder.text = 0xFFFFFFFF;
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config->border_colors.placeholder.indicator = 0x000000FF;
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config->border_colors.placeholder.child_border = 0x0C0C0CFF;
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config->border_colors.background = 0xFFFFFFFF;
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// Security
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if (!(config->command_policies = create_list())) goto cleanup;
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if (!(config->feature_policies = create_list())) goto cleanup;
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if (!(config->ipc_policies = create_list())) goto cleanup;
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return;
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cleanup:
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sway_abort("Unable to allocate config structures");
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}
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static bool file_exists(const char *path) {
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return path && access(path, R_OK) != -1;
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}
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static char *get_config_path(void) {
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static const char *config_paths[] = {
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"$HOME/.sway/config",
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"$XDG_CONFIG_HOME/sway/config",
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"$HOME/.i3/config",
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"$XDG_CONFIG_HOME/i3/config",
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SYSCONFDIR "/sway/config",
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SYSCONFDIR "/i3/config",
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};
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if (!getenv("XDG_CONFIG_HOME")) {
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char *home = getenv("HOME");
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char *config_home = malloc(strlen(home) + strlen("/.config") + 1);
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if (!config_home) {
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sway_log(L_ERROR, "Unable to allocate $HOME/.config");
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} else {
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strcpy(config_home, home);
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strcat(config_home, "/.config");
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setenv("XDG_CONFIG_HOME", config_home, 1);
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sway_log(L_DEBUG, "Set XDG_CONFIG_HOME to %s", config_home);
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free(config_home);
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}
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}
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wordexp_t p;
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char *path;
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int i;
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for (i = 0; i < (int)(sizeof(config_paths) / sizeof(char *)); ++i) {
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if (wordexp(config_paths[i], &p, 0) == 0) {
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path = strdup(p.we_wordv[0]);
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wordfree(&p);
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if (file_exists(path)) {
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return path;
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}
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}
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}
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return NULL; // Not reached
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}
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const char *current_config_path;
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static bool load_config(const char *path, struct sway_config *config) {
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sway_log(L_INFO, "Loading config from %s", path);
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current_config_path = path;
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struct stat sb;
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if (stat(path, &sb) == 0 && S_ISDIR(sb.st_mode)) {
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return false;
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}
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if (path == NULL) {
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sway_log(L_ERROR, "Unable to find a config file!");
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return false;
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}
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FILE *f = fopen(path, "r");
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if (!f) {
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sway_log(L_ERROR, "Unable to open %s for reading", path);
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return false;
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}
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bool config_load_success = read_config(f, config);
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fclose(f);
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if (!config_load_success) {
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sway_log(L_ERROR, "Error(s) loading config!");
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}
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current_config_path = NULL;
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return true;
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}
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static int qstrcmp(const void* a, const void* b) {
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return strcmp(*((char**) a), *((char**) b));
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}
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bool load_main_config(const char *file, bool is_active) {
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char *path;
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if (file != NULL) {
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path = strdup(file);
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} else {
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path = get_config_path();
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}
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struct sway_config *old_config = config;
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config = calloc(1, sizeof(struct sway_config));
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if (!config) {
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sway_abort("Unable to allocate config");
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}
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config_defaults(config);
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if (is_active) {
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sway_log(L_DEBUG, "Performing configuration file reload");
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config->reloading = true;
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config->active = true;
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}
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config->current_config = path;
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list_add(config->config_chain, path);
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config->reading = true;
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// Read security configs
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bool success = true;
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DIR *dir = opendir(SYSCONFDIR "/sway/security.d");
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if (!dir) {
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sway_log(L_ERROR, "%s does not exist, sway will have no security configuration"
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" and will probably be broken", SYSCONFDIR "/sway/security.d");
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} else {
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list_t *secconfigs = create_list();
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char *base = SYSCONFDIR "/sway/security.d/";
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struct dirent *ent = readdir(dir);
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struct stat s;
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while (ent != NULL) {
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char *_path = malloc(strlen(ent->d_name) + strlen(base) + 1);
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strcpy(_path, base);
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strcat(_path, ent->d_name);
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lstat(_path, &s);
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if (S_ISREG(s.st_mode) && ent->d_name[0] != '.') {
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list_add(secconfigs, _path);
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}
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else {
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free(_path);
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}
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ent = readdir(dir);
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}
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closedir(dir);
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list_qsort(secconfigs, qstrcmp);
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for (int i = 0; i < secconfigs->length; ++i) {
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char *_path = secconfigs->items[i];
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if (stat(_path, &s) || s.st_uid != 0 || s.st_gid != 0 || (((s.st_mode & 0777) != 0644) && (s.st_mode & 0777) != 0444)) {
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sway_log(L_ERROR, "Refusing to load %s - it must be owned by root and mode 644 or 444", _path);
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success = false;
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} else {
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success = success && load_config(_path, config);
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}
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}
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free_flat_list(secconfigs);
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}
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success = success && load_config(path, config);
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if (is_active) {
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config->reloading = false;
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}
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if (old_config) {
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free_config(old_config);
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}
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config->reading = false;
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if (success) {
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// TODO: bar
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//update_active_bar_modifiers();
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}
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return success;
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}
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bool read_config(FILE *file, struct sway_config *config) {
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bool success = true;
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enum cmd_status block = CMD_BLOCK_END;
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int line_number = 0;
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char *line;
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while (!feof(file)) {
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line = read_line(file);
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if (!line) {
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continue;
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}
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line_number++;
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line = strip_whitespace(line);
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if (line[0] == '#') {
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free(line);
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continue;
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}
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struct cmd_results *res;
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if (block == CMD_BLOCK_COMMANDS) {
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// Special case
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res = config_commands_command(line);
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} else {
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res = config_command(line, block);
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}
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switch(res->status) {
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case CMD_FAILURE:
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case CMD_INVALID:
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sway_log(L_ERROR, "Error on line %i '%s': %s (%s)", line_number, line,
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res->error, config->current_config);
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success = false;
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break;
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case CMD_DEFER:
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sway_log(L_DEBUG, "Defferring command `%s'", line);
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list_add(config->cmd_queue, strdup(line));
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break;
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case CMD_BLOCK_MODE:
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if (block == CMD_BLOCK_END) {
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block = CMD_BLOCK_MODE;
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} else {
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sway_log(L_ERROR, "Invalid block '%s'", line);
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}
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break;
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case CMD_BLOCK_INPUT:
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if (block == CMD_BLOCK_END) {
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block = CMD_BLOCK_INPUT;
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} else {
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sway_log(L_ERROR, "Invalid block '%s'", line);
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}
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break;
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case CMD_BLOCK_BAR:
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if (block == CMD_BLOCK_END) {
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block = CMD_BLOCK_BAR;
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} else {
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sway_log(L_ERROR, "Invalid block '%s'", line);
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}
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break;
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case CMD_BLOCK_BAR_COLORS:
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if (block == CMD_BLOCK_BAR) {
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block = CMD_BLOCK_BAR_COLORS;
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} else {
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sway_log(L_ERROR, "Invalid block '%s'", line);
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}
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break;
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case CMD_BLOCK_COMMANDS:
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if (block == CMD_BLOCK_END) {
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block = CMD_BLOCK_COMMANDS;
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} else {
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sway_log(L_ERROR, "Invalid block '%s'", line);
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}
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break;
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case CMD_BLOCK_IPC:
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if (block == CMD_BLOCK_END) {
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block = CMD_BLOCK_IPC;
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} else {
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sway_log(L_ERROR, "Invalid block '%s'", line);
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}
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break;
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case CMD_BLOCK_IPC_EVENTS:
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if (block == CMD_BLOCK_IPC) {
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block = CMD_BLOCK_IPC_EVENTS;
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} else {
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sway_log(L_ERROR, "Invalid block '%s'", line);
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}
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break;
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case CMD_BLOCK_END:
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switch(block) {
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case CMD_BLOCK_MODE:
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sway_log(L_DEBUG, "End of mode block");
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config->current_mode = config->modes->items[0];
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block = CMD_BLOCK_END;
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break;
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case CMD_BLOCK_INPUT:
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sway_log(L_DEBUG, "End of input block");
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// TODO: input
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//current_input_config = NULL;
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block = CMD_BLOCK_END;
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break;
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case CMD_BLOCK_BAR:
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sway_log(L_DEBUG, "End of bar block");
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config->current_bar = NULL;
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block = CMD_BLOCK_END;
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break;
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case CMD_BLOCK_BAR_COLORS:
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sway_log(L_DEBUG, "End of bar colors block");
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block = CMD_BLOCK_BAR;
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break;
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case CMD_BLOCK_COMMANDS:
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sway_log(L_DEBUG, "End of commands block");
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block = CMD_BLOCK_END;
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break;
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case CMD_BLOCK_IPC:
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sway_log(L_DEBUG, "End of IPC block");
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block = CMD_BLOCK_END;
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break;
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case CMD_BLOCK_IPC_EVENTS:
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sway_log(L_DEBUG, "End of IPC events block");
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block = CMD_BLOCK_IPC;
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break;
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case CMD_BLOCK_END:
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sway_log(L_ERROR, "Unmatched }");
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break;
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default:;
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}
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default:;
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}
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free(line);
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free_cmd_results(res);
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}
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return success;
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}
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char *do_var_replacement(char *str) {
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int i;
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char *find = str;
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while ((find = strchr(find, '$'))) {
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// Skip if escaped.
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if (find > str && find[-1] == '\\') {
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if (find == str + 1 || !(find > str + 1 && find[-2] == '\\')) {
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++find;
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continue;
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}
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}
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// Find matching variable
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for (i = 0; i < config->symbols->length; ++i) {
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struct sway_variable *var = config->symbols->items[i];
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int vnlen = strlen(var->name);
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if (strncmp(find, var->name, vnlen) == 0) {
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int vvlen = strlen(var->value);
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char *newstr = malloc(strlen(str) - vnlen + vvlen + 1);
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if (!newstr) {
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sway_log(L_ERROR,
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"Unable to allocate replacement during variable expansion");
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break;
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}
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char *newptr = newstr;
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int offset = find - str;
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strncpy(newptr, str, offset);
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newptr += offset;
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strncpy(newptr, var->value, vvlen);
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newptr += vvlen;
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strcpy(newptr, find + vnlen);
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free(str);
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str = newstr;
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find = str + offset + vvlen;
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break;
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}
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}
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if (i == config->symbols->length) {
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++find;
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}
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}
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return str;
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}
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