mirror of
https://dev.iopsys.eu/bbf/bbfdm.git
synced 2025-12-10 07:44:39 +01:00
131 lines
2.6 KiB
C
131 lines
2.6 KiB
C
/*
|
|
* Copyright (C) 2025 iopsys Software Solutions AB
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License version 2.1
|
|
* as published by the Free Software Foundation
|
|
*
|
|
* Author: Amin Ben Romdhane <amin.benromdhane@iopsys.eu>
|
|
*
|
|
*/
|
|
|
|
#include "bbfdm_api.h"
|
|
|
|
struct bbfdm_mem {
|
|
struct list_head list;
|
|
char mem[0];
|
|
};
|
|
|
|
void bbfdm_init_mem(struct bbfdm_ctx *bbfdm_ctx)
|
|
{
|
|
bbfdm_ctx->mem_head = calloc(1, sizeof(struct list_head));
|
|
if (bbfdm_ctx->mem_head == NULL) {
|
|
BBFDM_ERR("Failed to allocate memory for the list head!!!");
|
|
return;
|
|
}
|
|
|
|
// Initialize the list head
|
|
INIT_LIST_HEAD(bbfdm_ctx->mem_head);
|
|
}
|
|
|
|
void bbfdm_free_mem(struct bbfdm_ctx *bbfdm_ctx)
|
|
{
|
|
struct bbfdm_mem *dmm = NULL, *tmp = NULL;
|
|
|
|
if (bbfdm_ctx->mem_head == NULL) {
|
|
BBFDM_ERR("Memory list is NULL!");
|
|
return;
|
|
}
|
|
|
|
list_for_each_entry_safe(dmm, tmp, bbfdm_ctx->mem_head, list) {
|
|
list_del(&dmm->list);
|
|
BBFDM_FREE(dmm);
|
|
}
|
|
|
|
BBFDM_FREE(bbfdm_ctx->mem_head);
|
|
}
|
|
|
|
void *bbfdm_malloc(struct bbfdm_ctx *bbfdm_ctx, size_t size)
|
|
{
|
|
struct bbfdm_mem *m = malloc(sizeof(struct bbfdm_mem) + size);
|
|
if (m == NULL)
|
|
return NULL;
|
|
|
|
list_add(&m->list, bbfdm_ctx->mem_head);
|
|
return (void *)m->mem;
|
|
}
|
|
|
|
void *bbfdm_calloc(struct bbfdm_ctx *bbfdm_ctx, int n, size_t size)
|
|
{
|
|
struct bbfdm_mem *m = calloc(n, sizeof(struct bbfdm_mem) + size);
|
|
if (m == NULL)
|
|
return NULL;
|
|
|
|
list_add(&m->list, bbfdm_ctx->mem_head);
|
|
return (void *)m->mem;
|
|
}
|
|
|
|
void *bbfdm_realloc(struct bbfdm_ctx *bbfdm_ctx, void *n, size_t size)
|
|
{
|
|
struct bbfdm_mem *m = NULL;
|
|
if (n != NULL) {
|
|
m = container_of(n, struct bbfdm_mem, mem);
|
|
list_del(&m->list);
|
|
}
|
|
|
|
struct bbfdm_mem *new_m = realloc(m, sizeof(struct bbfdm_mem) + size);
|
|
if (new_m == NULL) {
|
|
bbfdm_free_mem_bloc(m);
|
|
return NULL;
|
|
} else {
|
|
m = new_m;
|
|
}
|
|
|
|
list_add(&m->list, bbfdm_ctx->mem_head);
|
|
return (void *)m->mem;
|
|
}
|
|
|
|
char *bbfdm_strdup(struct bbfdm_ctx *bbfdm_ctx, const char *s)
|
|
{
|
|
if (s == NULL)
|
|
return NULL;
|
|
|
|
size_t len = strlen(s) + 1;
|
|
void *new = bbfdm_malloc(bbfdm_ctx, len);
|
|
|
|
if (new == NULL)
|
|
return NULL;
|
|
|
|
return (char *) memcpy(new, s, len);
|
|
}
|
|
|
|
int bbfdm_asprintf(struct bbfdm_ctx *bbfdm_ctx, char **s, const char *format, ...)
|
|
{
|
|
va_list arg;
|
|
char *str = NULL;
|
|
int size = 0;
|
|
|
|
va_start(arg, format);
|
|
size = vasprintf(&str, format, arg);
|
|
va_end(arg);
|
|
|
|
if (size < 0 || str == NULL)
|
|
return -1;
|
|
|
|
*s = bbfdm_strdup(bbfdm_ctx, str);
|
|
|
|
BBFDM_FREE(str);
|
|
if (*s == NULL)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
void bbfdm_free_mem_bloc(const void *m)
|
|
{
|
|
if (m == NULL) return;
|
|
struct bbfdm_mem *rm;
|
|
rm = container_of(m, struct bbfdm_mem, mem);
|
|
list_del(&rm->list);
|
|
BBFDM_FREE(rm);
|
|
}
|