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trixy/example/main/c/main.c

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/*
* Copyright (C) 2023 - 2024:
* The Trinitrix Project <soispha@vhack.eu, antifallobst@systemausfall.org>
*
* This file is part of the Trixy crate for Trinitrix.
*
* Trixy is free software: you can redistribute it and/or modify
* it under the terms of the Lesser GNU General Public License as
* published by the Free Software Foundation, either version 3 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
* and the Lesser GNU General Public License along with this program.
* If not, see <https://www.gnu.org/licenses/>.
*/
#include "../dist/interface.h"
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define println(args...) \
printf ("(plugin): "); \
printf (args); \
printf ("\n"); \
fflush (stdout);
#define eprintln(args...) \
printf ("(plugin): "); \
printf (args); \
printf ("\n"); \
fflush (stdout);
int
p_main ()
{
// You can simply call functions ..
outstanding ("James");
// .. but they check their inputs:
// This call for example will fail, as a null pointer isn't supported.
//
// A error will be signaled by a 0 return code, then the error can be
// obtained with the `last_error_length` and `last_error_message` functions
if (!outstanding (0x0))
{
int error_length = last_error_length ();
char *error = malloc (error_length);
last_error_message (error, error_length);
eprintln ("Encountered error: %s", error);
free (error);
}
println ("Saying hi!");
string_t hi;
if (!one.hi (&hi, "Adam"))
{
int error_length = last_error_length ();
char *error = malloc (error_length);
last_error_message (error, error_length);
eprintln ("Encountered error: %s", error);
free (error);
}
println ("Rust returned: %s", hi);
string_free (hi);
return 0;
}