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/*
DeaDBeeF - ultimate music player for GNU/Linux systems with X11
Copyright (C) 2009-2010 Alexey Yakovenko <waker@users.sourceforge.net>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include "conf.h"
static DB_conf_item_t *conf_items;
static int changed = 0;
int
conf_load (void) {
extern char dbconfdir[1024]; // $HOME/.config/deadbeef
char str[1024];
snprintf (str, 1024, "%s/config", dbconfdir);
FILE *fp = fopen (str, "rt");
if (!fp) {
fprintf (stderr, "failed to load config file\n");
return -1;
}
int line = 0;
while (fgets (str, 1024, fp) != NULL) {
line++;
if (str[0] == '#' || str[0] <= 0x20) {
continue;
}
uint8_t *p = (uint8_t *)str;
while (*p && *p > 0x20) {
p++;
}
if (!*p) {
fprintf (stderr, "error in config file line %d\n", line);
continue;
}
*p = 0;
p++;
// skip whitespace
while (*p && *p <= 0x20) {
p++;
}
if (!*p) {
fprintf (stderr, "error in config file line %d\n", line);
continue;
}
char *value = p;
// remove trailing trash
while (*p && *p >= 0x20) {
p++;
}
*p = 0;
// new items are appended, to preserve order
conf_set_str (str, value);
}
fclose (fp);
changed = 0;
return 0;
}
int
conf_save (void) {
extern char dbconfdir[1024]; // $HOME/.config/deadbeef
char str[1024];
snprintf (str, 1024, "%s/config", dbconfdir);
FILE *fp = fopen (str, "w+t");
if (!fp) {
fprintf (stderr, "failed to open config file for writing\n");
return -1;
}
for (DB_conf_item_t *it = conf_items; it; it = it->next) {
fprintf (fp, "%s %s\n", it->key, it->value);
}
fclose (fp);
return 0;
}
void
conf_free (void) {
DB_conf_item_t *next = NULL;
for (DB_conf_item_t *it = conf_items; it; it = next) {
next = it->next;
conf_item_free (it);
}
}
void
conf_item_free (DB_conf_item_t *it) {
if (it) {
if (it->key) {
free (it->key);
}
if (it->value) {
free (it->value);
}
free (it);
}
}
const char *
conf_get_str (const char *key, const char *def) {
for (DB_conf_item_t *it = conf_items; it; it = it->next) {
if (!strcasecmp (key, it->key)) {
return it->value;
}
}
return def;
}
float
conf_get_float (const char *key, float def) {
const char *v = conf_get_str (key, NULL);
return v ? atof (v) : def;
}
int
conf_get_int (const char *key, int def) {
const char *v = conf_get_str (key, NULL);
return v ? atoi (v) : def;
}
DB_conf_item_t *
conf_find (const char *group, DB_conf_item_t *prev) {
int l = strlen (group);
for (DB_conf_item_t *it = prev ? prev->next : conf_items; it; it = it->next) {
if (!strncasecmp (group, it->key, l)) {
return it;
}
}
return NULL;
}
void
conf_set_str (const char *key, const char *val) {
changed = 1;
DB_conf_item_t *prev = NULL;
for (DB_conf_item_t *it = conf_items; it; it = it->next) {
int cmp = strcasecmp (key, it->key);
if (!cmp) {
free (it->value);
it->value = strdup (val);
return;
}
else if (cmp < 0) {
break;
}
prev = it;
}
if (!val) {
return;
}
DB_conf_item_t *it = malloc (sizeof (DB_conf_item_t));
memset (it, 0, sizeof (DB_conf_item_t));
it->key = strdup (key);
it->value = strdup (val);
if (prev) {
DB_conf_item_t *next = prev->next;
prev->next = it;
it->next = next;
}
else {
it->next = conf_items;
conf_items = it;
}
}
void
conf_set_int (const char *key, int val) {
char s[10];
snprintf (s, sizeof (s), "%d", val);
conf_set_str (key, s);
}
void
conf_set_float (const char *key, float val) {
char s[10];
snprintf (s, sizeof (s), "%0.7f", val);
conf_set_str (key, s);
}
int
conf_ischanged (void) {
return changed;
}
void
conf_setchanged (int c) {
changed = c;
}
void
conf_remove_items (const char *key) {
int l = strlen (key);
DB_conf_item_t *prev = NULL;
DB_conf_item_t *it;
for (it = conf_items; it; prev = it, it = it->next) {
if (!strncasecmp (key, it->key, l)) {
break;
}
}
DB_conf_item_t *next = NULL;
while (it) {
next = it->next;
conf_item_free (it);
it = next;
if (!it || strncasecmp (key, it->key, l)) {
break;
}
}
if (prev) {
prev->next = next;
}
else {
conf_items = next;
}
}
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