mirror of
https://github.com/SideStore/SideStore.git
synced 2026-02-15 01:33:25 +01:00
68 lines
1.9 KiB
C
68 lines
1.9 KiB
C
/*
|
|
* cbuf.c
|
|
* Simple char buffer implementation.
|
|
*
|
|
* Copyright (c) 2021 Nikias Bassen, All Rights Reserved.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include <config.h>
|
|
#endif
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
|
|
#include "common.h"
|
|
#include "libimobiledevice-glue/cbuf.h"
|
|
|
|
LIBIMOBILEDEVICE_GLUE_API struct char_buf* char_buf_new()
|
|
{
|
|
struct char_buf* cbuf = (struct char_buf*)malloc(sizeof(struct char_buf));
|
|
cbuf->capacity = 256;
|
|
cbuf->length = 0;
|
|
cbuf->data = (unsigned char*)malloc(cbuf->capacity);
|
|
return cbuf;
|
|
}
|
|
|
|
LIBIMOBILEDEVICE_GLUE_API void char_buf_free(struct char_buf* cbuf)
|
|
{
|
|
if (cbuf) {
|
|
free(cbuf->data);
|
|
free(cbuf);
|
|
}
|
|
}
|
|
|
|
LIBIMOBILEDEVICE_GLUE_API void char_buf_append(struct char_buf* cbuf, unsigned int length, unsigned char* data)
|
|
{
|
|
if (!cbuf || !cbuf->data) {
|
|
return;
|
|
}
|
|
if (cbuf->length + length > cbuf->capacity) {
|
|
unsigned int newcapacity = cbuf->capacity + ((length / 256) + 1) * 256;
|
|
unsigned char* newdata = realloc(cbuf->data, newcapacity);
|
|
if (!newdata) {
|
|
fprintf(stderr, "%s: ERROR: Failed to realloc\n", __func__);
|
|
return;
|
|
}
|
|
cbuf->data = newdata;
|
|
cbuf->capacity = newcapacity;
|
|
}
|
|
memcpy(cbuf->data + cbuf->length, data, length);
|
|
cbuf->length += length;
|
|
}
|