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Merge pull request #36 from Luminarys/master

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Added in config file loading from multiple sources
This commit is contained in:
Drew DeVault 2015-08-15 21:11:24 -04:00
parent d3d0ba3a4b 24231bef0e
commit 6cc8ea29e5
1 changed files with 130 additions and 10 deletions
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138
sway/config.c
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@ -1,6 +1,7 @@
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <unistd.h>
#include "readline.h"
#include "stringop.h"
#include "list.h"
@ -10,21 +11,140 @@
struct sway_config *config;
bool load_config() {
sway_log(L_INFO, "Loading config");
// TODO: Allow use of more config file locations
const char *name = "/.sway/config";
static bool exists(const char *path) {
return access(path, R_OK) != -1;
}
static char* get_config_path() {
char *name = "/.sway/config";
const char *home = getenv("HOME");
// Check home dir
sway_log(L_DEBUG, "Trying to find config in ~/.sway/config");
char *temp = malloc(strlen(home) + strlen(name) + 1);
strcpy(temp, home);
strcat(temp, name);
FILE *f = fopen(temp, "r");
if (!f) {
fprintf(stderr, "Unable to open %s for reading", temp);
free(temp);
if (exists(temp)) {
return temp;
}
// Check XDG_CONFIG_HOME with fallback to ~/.config/
sway_log(L_DEBUG, "Trying to find config in XDG_CONFIG_HOME/sway/config");
char *xdg_config_home = getenv("XDG_CONFIG_HOME");
if (xdg_config_home == NULL) {
sway_log(L_DEBUG, "Falling back to ~/.config/sway/config");
name = "/.config/sway/config";
temp = malloc(strlen(home) + strlen(name) + 1);
strcpy(temp, home);
strcat(temp, name);
} else {
name = "/sway/config";
temp = malloc(strlen(xdg_config_home) + strlen(name) + 1);
strcpy(temp, home);
strcat(temp, name);
}
if (exists(temp)) {
return temp;
}
// Check /etc/
sway_log(L_DEBUG, "Trying to find config in /etc/sway/config");
strcpy(temp, "/etc/sway/config");
if (exists(temp)) {
return temp;
}
// Check XDG_CONFIG_DIRS
sway_log(L_DEBUG, "Trying to find config in XDG_CONFIG_DIRS");
char *xdg_config_dirs = getenv("XDG_CONFIG_DIRS");
if (xdg_config_dirs != NULL) {
list_t *paths = split_string(xdg_config_dirs, ":");
name = "/sway/config";
int i;
for (i = 0; i < paths->length; i++ ) {
temp = malloc(strlen(paths->items[i]) + strlen(name) + 1);
strcpy(temp, paths->items[i]);
strcat(temp, name);
if (exists(temp)) {
free_flat_list(paths);
return temp;
}
}
free_flat_list(paths);
}
//Now fall back to i3 paths and try the same thing
name = "/.i3/config";
sway_log(L_DEBUG, "Trying to find config in ~/.i3/config");
char *temp = malloc(strlen(home) + strlen(name) + 1);
strcpy(temp, home);
strcat(temp, name);
if (exists(temp)) {
return temp;
}
sway_log(L_DEBUG, "Trying to find config in XDG_CONFIG_HOME/i3/config");
char *xdg_config_home = getenv("XDG_CONFIG_HOME");
if (xdg_config_home == NULL) {
sway_log(L_DEBUG, "Falling back to ~/.config/i3/config");
name = "/.config/i3/config";
temp = malloc(strlen(home) + strlen(name) + 1);
strcpy(temp, home);
strcat(temp, name);
} else {
name = "/i3/config";
temp = malloc(strlen(xdg_config_home) + strlen(name) + 1);
strcpy(temp, home);
strcat(temp, name);
}
if (exists(temp)) {
return temp;
}
sway_log(L_DEBUG, "Trying to find config in /etc/i3/config");
strcpy(temp, "/etc/i3/config");
if (exists(temp)) {
return temp;
}
sway_log(L_DEBUG, "Trying to find config in XDG_CONFIG_DIRS");
char *xdg_config_dirs = getenv("XDG_CONFIG_DIRS");
if (xdg_config_dirs != NULL) {
list_t *paths = split_string(xdg_config_dirs, ":");
name = "/i3/config";
int i;
for (i = 0; i < paths->length; i++ ) {
temp = malloc(strlen(paths->items[i]) + strlen(name) + 1);
strcpy(temp, paths->items[i]);
strcat(temp, name);
if (exists(temp)) {
free_flat_list(paths);
return temp;
}
}
free_flat_list(paths);
}
return NULL;
}
bool load_config() {
sway_log(L_INFO, "Loading config");
char *path = get_config_path();
if (path == NULL) {
sway_log(L_ERROR, "Unable to find a config file!");
return false;
}
free(temp);
FILE *f = fopen(path, "r");
if (!f) {
fprintf(stderr, "Unable to open %s for reading", path);
free(path);
return false;
}
free(path);
bool config_load_success;
if (config) {