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/* SPDX-License-Identifier: BSD-2-Clause */
/* Copyright 2025 The NASM Authors - All Rights Reserved */
/*
* This needs to be in a separate file because zlib.h conflicts
* with opflags.h.
*/
#include "compiler.h"
#include "zlib.h"
#include "macros.h"
#include "nasmlib.h"
#include "error.h"
/*
* read line from standard macros set,
* if there no more left -- return NULL
*/
static void *nasm_z_alloc(void *opaque, unsigned int items, unsigned int size)
{
(void)opaque;
return nasm_calloc(items, size);
}
static void nasm_z_free(void *opaque, void *ptr)
{
(void)opaque;
nasm_free(ptr);
}
char *uncompress_stdmac(macros_t *sm)
{
z_stream zs;
void *buf = nasm_malloc(sm->dsize);
nasm_zero(zs);
zs.next_in = (void *)sm->zdata;
zs.avail_in = sm->zsize;
zs.next_out = buf;
zs.avail_out = sm->dsize;
zs.zalloc = nasm_z_alloc;
zs.zfree = nasm_z_free;
if (inflateInit2(&zs, 0) != Z_OK)
panic();
if (inflate(&zs, Z_FINISH) != Z_STREAM_END)
panic();
inflateEnd(&zs);
return buf;
}
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