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/*
* Configfile operations for wellenreiter
*
* $Id$
*/
#include "wl_conf.hh"
#include "wl_log.hh"
#include "wl_types.hh"
/* Check whether configfile exists and is readable */
int wl_checkcfg(void)
{
FILE *wl_config;
if((wl_config = fopen(WL_CONFFILE, "r")) == NULL)
{
wl_logerr("Cannot open configfile: %s", strerror(errno));
return 0;
}
else
{
fclose(wl_config);
return 1;
}
}
/* Get value for given token from config file */
int wl_cfgvalue(const char *token, char *out, int maxlen)
{
FILE *wl_config;
char *ptr, *ptr2;
char confbuf[WL_CONFBUFF];
if(token == NULL)
return -1;
if((wl_config = fopen(WL_CONFFILE, "r")) == NULL)
{
wl_logerr("Cannot open configfile: %s", strerror(errno));
return -1;
}
/* Clear buffers */
memset(out, 0, maxlen);
memset(confbuf, 0, sizeof(confbuf));
while((fgets(confbuf, sizeof(confbuf) - 1, wl_config)) != NULL)
{
/* Ignore comments */
if(confbuf[0] == '#') continue;
/* Search for token, if found check whether next character
* is a '=' or a ' '
*/
if(strstr(confbuf, token) != NULL &&
(confbuf[strlen(token)] == '=' || confbuf[strlen(token)] == ' '))
{
/* Get value between quotes */
if((ptr = strstr(confbuf, "\"")) == NULL)
break;
++ptr;
if((ptr2 = strstr(ptr, "\"")) == NULL)
break;
ptr2[0] = '\0';
memcpy(out, ptr, maxlen - 1);
break;
}
memset(confbuf, 0, sizeof(confbuf));
}
fclose(wl_config);
return (out[0] == '\0' ? 0 : 1);
}
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