Phone
/* $Id$ */
/* Copyright (c) 2013-2020 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Desktop Phone */
/* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY ITS AUTHORS AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
#include <dirent.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <dlfcn.h>
#include "Phone/modem.h"
/* private */
/* prototypes */
static int _modems(void);
static int _dlerror(char const * message, int ret);
static int _error(char const * message, char const * error, int ret);
static int _perror(char const * message, int ret);
/* functions */
/* modems */
static int _modems(void)
{
int ret = 0;
const char path[] = "../src/modems";
#ifdef __APPLE__
const char ext[] = ".dylib";
#else
const char ext[] = ".so";
#endif
DIR * dir;
struct dirent * de;
size_t len;
char * s;
void * p;
ModemPluginDefinition * mpd;
if((dir = opendir(path)) == NULL)
return -_perror(path, 1);
while((de = readdir(dir)) != NULL)
{
if((len = strlen(de->d_name)) < sizeof(ext))
continue;
if(strcmp(&de->d_name[len - sizeof(ext) + 1], ext) != 0)
continue;
if((s = malloc(sizeof(path) + len + 1)) == NULL)
{
ret += _perror(de->d_name, 1);
continue;
}
snprintf(s, sizeof(path) + len + 1, "%s/%s", path, de->d_name);
if((p = dlopen(s, RTLD_LAZY)) == NULL)
{
ret += _dlerror(s, 1);
free(s);
continue;
}
if((mpd = dlsym(p, "plugin")) == NULL)
ret += _dlerror(s, 1);
else if(mpd->icon == NULL)
ret += _error(s, "No icon defined", 1);
else
printf("\n%s: %s (%s)\n", de->d_name, mpd->name,
mpd->icon);
free(s);
dlclose(p);
}
closedir(dir);
return ret;
}
/* dlerror */
static int _dlerror(char const * message, int ret)
{
fputs("modems: ", stderr);
fprintf(stderr, "%s: %s\n", message, dlerror());
return ret;
}
/* error */
static int _error(char const * message, char const * error, int ret)
{
fputs("modems: ", stderr);
fprintf(stderr, "%s: %s\n", message, error);
return ret;
}
/* perror */
static int _perror(char const * message, int ret)
{
fputs("modems: ", stderr);
perror(message);
return ret;
}
/* public */
/* functions */
/* main */
int main(void)
{
return (_modems() == 0) ? 0 : 2;
}