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/*
*
* config.c
*
* Copyright (C) Stan Seibert - July 2000
* Copyright (C) Monty - Mar 2010
*
* This file is part of libao, a cross-platform audio output library. See
* README for a history of this source code.
*
* libao 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, or (at your option)
* any later version.
*
* libao 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 GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
********************************************************************
last mod: $Id: config.c 17763 2010-12-17 11:28:29Z xiphmont $
********************************************************************/
#include "ao/ao.h"
#include "ao/ao_private.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <ctype.h>
#define LINE_LEN 100
static char *trim(char *p){
char *t;
while(*p && isspace(*p))p++;
if(*p){
t=p+strlen(p);
while(t>p && isspace(*(t-1))){
t--;
*t='\0';
}
}
return p;
}
static int ao_read_config_file(ao_config *config, const char *config_file)
{
FILE *fp;
char line[LINE_LEN];
int end;
if ( !(fp = fopen(config_file, "r")) )
return 0; /* Can't open file */
while (fgets(line, LINE_LEN, fp)) {
/* All options are key=value */
if (strncmp(line, "default_driver=", 15) == 0) {
free(config->default_driver);
end = strlen(line);
if (line[end-1] == '\n')
line[end-1] = 0; /* Remove trailing newline */
config->default_driver = _strdup(line+15);
}else{
/* entries in the config file that don't parse as
directives to AO at large are treated as driver
options */
char *key=trim(line);
if(key && *key){
char *val=strchr(key,'=');
if(val){
*val='\0';
val++;
}
ao_append_global_option(key,val);
}
}
}
fclose(fp);
return 1;
}
void ao_read_config_files (ao_config *config)
{
char userfile[FILENAME_MAX+1];
char *homedir = getenv("HOME");
/* Read the system-wide config file */
ao_read_config_file(config, AO_SYSTEM_CONFIG);
/* Read the user config file */
if ( homedir!=NULL &&
strlen(homedir) <= FILENAME_MAX - strlen(AO_USER_CONFIG) )
{
strncpy(userfile, homedir, FILENAME_MAX);
strcat(userfile, AO_USER_CONFIG);
ao_read_config_file(config, userfile);
}
}
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