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/*
* Ouroboros - Copyright (C) 2016 - 2024
*
* The IPC Resource Manager - Registry - Programs
*
* Dimitri Staessens <dimitri@ouroboros.rocks>
* Sander Vrijders <sander@ouroboros.rocks>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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
* along with this program; if not, write to the Free Software
* Foundation, Inc., http://www.fsf.org/about/contact/.
*/
#if defined(__linux__) || defined(__CYGWIN__)
#define _DEFAULT_SOURCE
#else
#define _POSIX_C_SOURCE 200809L
#endif
#include <ouroboros/errno.h>
#include <ouroboros/irm.h>
#include <ouroboros/utils.h>
#include "prog.h"
#include "utils.h"
#include <assert.h>
#include <stdlib.h>
#include <string.h>
static char ** create_argv(const char * prog,
size_t argc,
char ** argv)
{
char ** argv2;
size_t i;
argv2 = malloc((argc + 2) * sizeof(*argv2)); /* prog + args + NULL */
if (argv2 == 0)
goto fail_malloc;
argv2[0] = strdup(prog);
if (argv2[0] == NULL)
goto fail_prog;
for (i = 1; i <= argc; ++i) {
argv2[i] = strdup(argv[i - 1]);
if (argv2[i] == NULL)
goto fail_arg;
}
argv2[argc + 1] = NULL;
return argv2;
fail_arg:
argvfree(argv2);
fail_prog:
free(argv2);
fail_malloc:
return NULL;
}
struct reg_prog * reg_prog_create(const char * prog,
uint32_t flags,
int argc,
char ** argv)
{
struct reg_prog * p;
assert(prog);
p = malloc(sizeof(*p));
if (p == NULL)
goto fail_malloc;
memset(p, 0, sizeof(*p));
p->prog = strdup(path_strip(prog));
if (p->prog == NULL)
goto fail_prog;
if (argc > 0 && flags & BIND_AUTO) {
p->argv = create_argv(prog, argc, argv);
if (p->argv == NULL)
goto fail_argv;
}
list_head_init(&p->next);
list_head_init(&p->names);
p->flags = flags;
return p;
fail_argv:
free(p->prog);
fail_prog:
free(p);
fail_malloc:
return NULL;
}
void reg_prog_destroy(struct reg_prog * prog)
{
struct list_head * p;
struct list_head * h;
if (prog == NULL)
return;
list_for_each_safe(p, h, &prog->names) {
struct str_el * s = list_entry(p, struct str_el, next);
list_del(&s->next);
free(s->str);
free(s);
}
argvfree(prog->argv);
free(prog->prog);
free(prog);
}
int reg_prog_add_name(struct reg_prog * prog,
const char * name)
{
struct str_el * s;
if (prog == NULL || name == NULL)
return -EINVAL;
s = malloc(sizeof(*s));
if (s == NULL)
goto fail_malloc;
s->str = strdup(name);
if(s->str == NULL)
goto fail_name;
list_add(&s->next, &prog->names);
return 0;
fail_name:
free(s);
fail_malloc:
return -ENOMEM;
}
void reg_prog_del_name(struct reg_prog * prog,
const char * name)
{
struct list_head * p;
struct list_head * h;
list_for_each_safe(p, h, &prog->names) {
struct str_el * s = list_entry(p, struct str_el, next);
if (!strcmp(name, s->str)) {
list_del(&s->next);
free(s->str);
free(s);
}
}
}
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