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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* this example does not work for WIN32 */
#ifndef WIN32
#include <dlfcn.h> /* for dlopen(), dlerror(), dlclose() */
#include <unistd.h>
#endif
#include <dotconf.h>
/* define our callbacks; */
/* for definition of DOTCONF_CB see dotconf.h */
static DOTCONF_CB(cb_example);
static DOTCONF_CB(cb_moreargs);
static DOTCONF_CB(cb_addmodule);
static DOTCONF_CB(cb_multiline); /* here document test */
static DOTCONF_CB(cb_unknown); /* fallback for unknwon options */
/* define the Option ExampleOption that expects a string
* and tell the parser to call the function cb_example
*/
static const configoption_t options[] = {
{"ExampleOption", ARG_STR, cb_example, 0, 0},
{"MoreArgs", ARG_LIST, cb_moreargs, 0, 0},
{"AddModule", ARG_STR, cb_addmodule, 0, 0},
{"MultiLineRaw", ARG_STR, cb_multiline, 0, 0},
{"", ARG_NAME, cb_unknown, 0, 0},
LAST_OPTION
};
#define NUM_MODULES 10
static void *handles[NUM_MODULES]; /* handles of dynamically loaded modules */
int main(int argc, char **argv)
{
int i;
configfile_t *configfile;
memset(handles, 0, sizeof(handles));
putenv("TESTUSER=lukas");
/*
* start reading config, CASE_INSENSITIVE (specify NONE or 0 for the
* the default behaviour which matches case sensitive
*/
configfile = dotconf_create(argv[1] ? argv[1] : "sample.conf",
options, 0, CASE_INSENSITIVE);
if (!configfile) {
fprintf(stderr, "Error opening config file\n");
return 1;
}
if (dotconf_command_loop(configfile) == 0)
fprintf(stderr, "Error reading config file\n");
dotconf_cleanup(configfile);
for (i = 0; i < NUM_MODULES && handles[i]; i++)
dlclose(handles[i]);
return 0;
}
/* the error-handler; a new feature of v0.7.0 to filter out messages
issued using config_warning
FUNC_ERRORHANDLER(my_errorhandler)
{
printf("ERROR [type=%d][%d] %s\n", type, dc_errno, msg);
}
*/
/* declare our callback function */
DOTCONF_CB(cb_example)
{
printf("%s:%ld: ExampleOption: [arg=%s]\n", cmd->configfile->filename,
cmd->configfile->line, cmd->data.str);
return NULL;
}
/*
* we dont need the userdata, so dont mention it
* otherwise we should've appended it as argument 3
*/
DOTCONF_CB(cb_moreargs)
{
int i;
for (i = 0; i < cmd->arg_count; i++)
printf("%s:%ld: [MoreArgs] Arg #%d '%s'\n",
cmd->configfile->filename, cmd->configfile->line, i + 1,
cmd->data.list[i]);
return 0;
}
DOTCONF_CB(cb_addmodule)
{
int i;
char filename[128]; /* filename of modules */
for (i = 0; (i < NUM_MODULES) && (handles[i] != 0); i++) ;
snprintf(filename, 128, "./%s.so", cmd->data.str);
if (!access(filename, R_OK)) { /* if file access is permitted */
/* load library */
handles[i] = dlopen(filename, RTLD_LAZY);
if (!handles[i])
printf("Error opening library: %s\n", dlerror());
dotconf_register_options(cmd->configfile,
dlsym(handles[i], "new_options"));
}
printf("Module %s successfully loaded\n", cmd->data.str);
return NULL;
}
DOTCONF_CB(cb_multiline)
{
printf("%s:%ld: [MultiLine - START] -%s- [MultiLine - END]\n",
cmd->configfile->filename, cmd->configfile->line, cmd->data.str);
return NULL;
}
DOTCONF_CB(cb_unknown)
{
int i = 0;
printf("%s:%ld: UNKNOWN [%s]",
cmd->configfile->filename, cmd->configfile->line, cmd->name);
for (i = 0; cmd->data.list[i]; i++)
printf(", %s", cmd->data.list[i]);
printf("\n");
return NULL;
}
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