membuffer.hpp

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#ifndef COMPA_GENLIB_UTIL_MEMBUFFER_HPP
#define COMPA_GENLIB_UTIL_MEMBUFFER_HPP
/*******************************************************************************
 *
 * Copyright (c) 2000-2003 Intel Corporation
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 * Copyright (c) 2012 France Telecom All rights reserved.
 * Copyright (C) 2021+ GPL 3 and higher by Ingo Höft,  Ingo@Hoeft-online.de>
 * Redistribution only with this Copyright remark. Last modified: 2025-06-12
 *
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 * modification, are permitted provided that the following conditions are met:
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 * this list of conditions and the following disclaimer.
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 * may be used to endorse or promote products derived from this software
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// Last compare with pupnp original source file on 2024-02-14, ver 1.14.18
 
#include <cstddef>
 
struct memptr {
    char* buf;
    size_t length;
};
 
struct membuffer {
    char* buf;
    size_t length;
    size_t capacity;
    size_t size_inc;
};
inline constexpr size_t MEMBUF_DEF_SIZE_INC{5};
 
// Don't export function symbol; only used library intern.
char* str_alloc(
    const char* str,
    size_t str_len);
 
// Don't export function symbol; only used library intern.
int memptr_cmp(
    memptr* m,
    const char* s);
 
// Don't export function symbol; only used library intern.
int memptr_cmp_nocase(
    memptr* m,
    const char* s);
 
// Don't export function symbol; only used library intern.
int membuffer_set_size(
    membuffer* m,
    size_t new_length);
 
// Don't export function symbol; only used library intern.
void membuffer_init(
    membuffer* m);
 
// Don't export function symbol; only used library intern.
void membuffer_destroy(
    membuffer* m);
 
// Don't export function symbol; only used library intern.
int membuffer_assign(
    membuffer* m,
    const void* buf,
    size_t buf_len);
 
// Don't export function symbol; only used library intern.
int membuffer_assign_str(
    membuffer* m,
    const char* c_str);
 
// Don't export function symbol; only used library intern.
int membuffer_append(
    membuffer* m,
    const void* buf,
    size_t buf_len);
 
// Don't export function symbol; only used library intern.
int membuffer_append_str(
    membuffer* m,
    const char* c_str);
 
// Don't export function symbol; only used library intern.
int membuffer_insert(
    membuffer* m,
    const void* buf,
    size_t buf_len,
    size_t index);
 
// Don't export function symbol; only used library intern.
void membuffer_delete(
    membuffer* m,
    size_t index,
    size_t num_bytes);
 
// Don't export function symbol; only used library intern.
char* membuffer_detach(
    membuffer* m);
 
// Don't export function symbol; only used library intern.
void membuffer_attach(
    membuffer* m,
    char* new_buf,
    size_t buf_len);
 
#endif /* COMPA_GENLIB_UTIL_MEMBUFFER_HPP */