mirror of
https://dev.iopsys.eu/bbf/bbfdm.git
synced 2025-12-10 07:44:39 +01:00
120 lines
2.4 KiB
C
120 lines
2.4 KiB
C
/*
|
|
* Copyright (C) 2019 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: MOHAMED Kallel <mohamed.kallel@pivasoftware.com>
|
|
*
|
|
*/
|
|
|
|
#include "dmmem.h"
|
|
|
|
LIST_HEAD(memhead);
|
|
|
|
inline void *__dmmalloc(struct list_head *mem_list, size_t size)
|
|
{
|
|
struct dmmem *m = malloc(sizeof(struct dmmem) + size);
|
|
if (m == NULL) return NULL;
|
|
list_add(&m->list, mem_list);
|
|
return (void *)m->mem;
|
|
}
|
|
|
|
inline void *__dmcalloc(struct list_head *mem_list, int n, size_t size)
|
|
{
|
|
struct dmmem *m = calloc(n, sizeof(struct dmmem) + size);
|
|
if (m == NULL) return NULL;
|
|
list_add(&m->list, mem_list);
|
|
return (void *)m->mem;
|
|
}
|
|
|
|
inline void *__dmrealloc(struct list_head *mem_list, void *n, size_t size)
|
|
{
|
|
struct dmmem *m = NULL;
|
|
if (n != NULL) {
|
|
m = container_of(n, struct dmmem, mem);
|
|
list_del(&m->list);
|
|
}
|
|
|
|
struct dmmem *new_m = realloc(m, sizeof(struct dmmem) + size);
|
|
if (new_m == NULL) {
|
|
dmfree(m);
|
|
return NULL;
|
|
} else {
|
|
m = new_m;
|
|
}
|
|
|
|
list_add(&m->list, mem_list);
|
|
return (void *)m->mem;
|
|
}
|
|
|
|
inline void dmfree(void *m)
|
|
{
|
|
if (m == NULL) return;
|
|
struct dmmem *rm;
|
|
rm = container_of(m, struct dmmem, mem);
|
|
list_del(&rm->list);
|
|
free(rm);
|
|
}
|
|
|
|
inline void __dmcleanmem(struct list_head *mem_list)
|
|
{
|
|
struct dmmem *dmm;
|
|
while (mem_list->next != mem_list) {
|
|
dmm = list_entry(mem_list->next, struct dmmem, list);
|
|
list_del(&dmm->list);
|
|
free(dmm);
|
|
}
|
|
}
|
|
|
|
char *__dmstrdup(struct list_head *mem_list, const char *s)
|
|
{
|
|
if (s == NULL)
|
|
return NULL;
|
|
|
|
size_t len = strlen(s) + 1;
|
|
void *new = __dmmalloc(mem_list, len);
|
|
|
|
if (new == NULL)
|
|
return NULL;
|
|
|
|
return (char *) memcpy(new, s, len);
|
|
}
|
|
|
|
int __dmasprintf(struct list_head *mem_list, char **s, const char *format, ...)
|
|
{
|
|
int size;
|
|
char *str = NULL;
|
|
va_list arg;
|
|
|
|
va_start(arg, format);
|
|
size = vasprintf(&str, format, arg);
|
|
va_end(arg);
|
|
|
|
if (size < 0 || str == NULL)
|
|
return -1;
|
|
|
|
*s = __dmstrdup(mem_list, str);
|
|
|
|
free(str);
|
|
if (*s == NULL)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int __dmastrcat(struct list_head *mem_list, char **s, char *obj, char *lastname)
|
|
{
|
|
char buf[2048];
|
|
int olen = strlen(obj);
|
|
memcpy(buf, obj, olen);
|
|
int llen = strlen(lastname) + 1;
|
|
memcpy(buf + olen, lastname, llen);
|
|
|
|
*s = __dmstrdup(mem_list, buf);
|
|
if (*s == NULL)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|