Unverified Commit 8677a38b authored by RobLoach's avatar RobLoach
Browse files

Update libretro-common

parent 40e92255
......@@ -61,26 +61,31 @@ SOURCES_C += $(LUALIB_DIR)/lapi.c \
$(LUALIB_DIR)/ldump.c
endif
SOURCES_C += $(CORE_DIR)/libretro-common/formats/png/rpng.c
ifneq ($(STATIC_LINKING), 1)
SOURCES_C += \
$(CORE_DIR)/libretro-common/file/file_path.c \
$(CORE_DIR)/libretro-common/file/file_path_io.c \
$(CORE_DIR)/libretro-common/features/features_cpu.c \
$(CORE_DIR)/libretro-common/audio/conversion/float_to_s16.c \
$(CORE_DIR)/libretro-common/audio/conversion/s16_to_float.c \
$(CORE_DIR)/libretro-common/audio/audio_mix.c \
$(CORE_DIR)/libretro-common/compat/compat_posix_string.c \
$(CORE_DIR)/libretro-common/memmap/memalign.c \
$(CORE_DIR)/libretro-common/memmap/memmap.c \
$(CORE_DIR)/libretro-common/compat/compat_strcasestr.c \
$(CORE_DIR)/libretro-common/compat/compat_strl.c \
$(CORE_DIR)/libretro-common/encodings/encoding_crc32.c \
$(CORE_DIR)/libretro-common/encodings/encoding_utf.c \
$(CORE_DIR)/libretro-common/file/file_path.c \
$(CORE_DIR)/libretro-common/time/rtime.c \
$(CORE_DIR)/libretro-common/streams/file_stream.c \
$(CORE_DIR)/libretro-common/streams/trans_stream.c \
$(CORE_DIR)/libretro-common/streams/interface_stream.c \
$(CORE_DIR)/libretro-common/streams/memory_stream.c \
$(CORE_DIR)/libretro-common/string/stdstring.c \
$(CORE_DIR)/libretro-common/vfs/vfs_implementation.c \
$(CORE_DIR)/libretro-common/compat/fopen_utf8.c
$(CORE_DIR)/libretro-common/compat/fopen_utf8.c \
$(CORE_DIR)/libretro-common/formats/png/rpng.c \
$(CORE_DIR)/libretro-common/formats/png/rpng_encode.c
ifeq ($(HAVE_NEON),1)
SOURCES_ASM += \
$(CORE_DIR)/libretro-common/audio/conversion/float_to_s16_neon.S \
......
/* Copyright (C) 2010-2020 The RetroArch team
*
* ---------------------------------------------------------------------------------------
* The following license statement only applies to this file (encoding_crc32.c).
* ---------------------------------------------------------------------------------------
*
* Permission is hereby granted, free of charge,
* to any person obtaining a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <stdint.h>
#include <stddef.h>
#include <encodings/crc32.h>
#include <streams/file_stream.h>
#include <stdlib.h>
static const uint32_t crc32_table[256] = {
0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L,
0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L,
0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L,
0x90bf1d91L, 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL,
0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L, 0x136c9856L,
0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L,
0xfa0f3d63L, 0x8d080df5L, 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L,
0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL,
0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L,
0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L, 0x26d930acL, 0x51de003aL,
0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L,
0xb8bda50fL, 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L,
0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL, 0x76dc4190L,
0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL,
0x9fbfe4a5L, 0xe8b8d433L, 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL,
0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L,
0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL,
0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L, 0x65b0d9c6L, 0x12b7e950L,
0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L,
0xfbd44c65L, 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L,
0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL, 0x4369e96aL,
0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L,
0xaa0a4c5fL, 0xdd0d7cc9L, 0x5005713cL, 0x270241aaL, 0xbe0b1010L,
0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL,
0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L,
0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL, 0xedb88320L, 0x9abfb3b6L,
0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L,
0x73dc1683L, 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L,
0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L, 0xf00f9344L,
0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL,
0x196c3671L, 0x6e6b06e7L, 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL,
0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L,
0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L,
0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL, 0xd80d2bdaL, 0xaf0a1b4cL,
0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL,
0x4669be79L, 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L,
0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL, 0xc5ba3bbeL,
0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L,
0x2cd99e8bL, 0x5bdeae1dL, 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL,
0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L,
0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL,
0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L, 0x86d3d2d4L, 0xf1d4e242L,
0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L,
0x18b74777L, 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL,
0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L, 0xa00ae278L,
0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L,
0x4969474dL, 0x3e6e77dbL, 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L,
0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L,
0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L,
0xcdd70693L, 0x54de5729L, 0x23d967bfL, 0xb3667a2eL, 0xc4614ab8L,
0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL,
0x2d02ef8dL
};
uint32_t encoding_crc32(uint32_t crc, const uint8_t *buf, size_t len)
{
crc = crc ^ 0xffffffff;
while (len--)
crc = crc32_table[(crc ^ (*buf++)) & 0xff] ^ (crc >> 8);
return crc ^ 0xffffffff;
}
#define CRC32_BUFFER_SIZE 1048576
#define CRC32_MAX_MB 64
/**
* Calculate a CRC32 from the first part of the given file.
* "first part" being the first (CRC32_BUFFER_SIZE * CRC32_MAX_MB)
* bytes.
*
* Returns: the crc32, or 0 if there was an error.
*/
uint32_t file_crc32(uint32_t crc, const char *path)
{
unsigned i;
RFILE *file = NULL;
unsigned char *buf = NULL;
if (!path)
return 0;
file = filestream_open(path, RETRO_VFS_FILE_ACCESS_READ, 0);
if (!file)
goto error;
buf = (unsigned char*)malloc(CRC32_BUFFER_SIZE);
if (!buf)
goto error;
for (i = 0; i < CRC32_MAX_MB; i++)
{
int64_t nread = filestream_read(file, buf, CRC32_BUFFER_SIZE);
if (nread < 0)
goto error;
crc = encoding_crc32(crc, buf, (size_t)nread);
if (filestream_eof(file))
break;
}
free(buf);
filestream_close(file);
return crc;
error:
if (buf)
free(buf);
if (file)
filestream_close(file);
return 0;
}
/* Copyright (C) 2010-2020 The RetroArch team
*
* ---------------------------------------------------------------------------------------
* The following license statement only applies to this file (file_path_io.c).
* ---------------------------------------------------------------------------------------
*
* Permission is hereby granted, free of charge,
* to any person obtaining a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <errno.h>
#include <sys/stat.h>
#include <boolean.h>
#include <file/file_path.h>
#include <retro_assert.h>
#include <compat/strl.h>
#include <compat/posix_string.h>
#include <retro_miscellaneous.h>
#include <string/stdstring.h>
#define VFS_FRONTEND
#include <vfs/vfs_implementation.h>
#ifdef _WIN32
#include <direct.h>
#else
#include <unistd.h> /* stat() is defined here */
#endif
/* TODO/FIXME - globals */
static retro_vfs_stat_t path_stat_cb = retro_vfs_stat_impl;
static retro_vfs_mkdir_t path_mkdir_cb = retro_vfs_mkdir_impl;
void path_vfs_init(const struct retro_vfs_interface_info* vfs_info)
{
const struct retro_vfs_interface*
vfs_iface = vfs_info->iface;
path_stat_cb = retro_vfs_stat_impl;
path_mkdir_cb = retro_vfs_mkdir_impl;
if (vfs_info->required_interface_version < PATH_REQUIRED_VFS_VERSION || !vfs_iface)
return;
path_stat_cb = vfs_iface->stat;
path_mkdir_cb = vfs_iface->mkdir;
}
int path_stat(const char *path)
{
return path_stat_cb(path, NULL);
}
/**
* path_is_directory:
* @path : path
*
* Checks if path is a directory.
*
* Returns: true (1) if path is a directory, otherwise false (0).
*/
bool path_is_directory(const char *path)
{
return (path_stat_cb(path, NULL) & RETRO_VFS_STAT_IS_DIRECTORY) != 0;
}
bool path_is_character_special(const char *path)
{
return (path_stat_cb(path, NULL) & RETRO_VFS_STAT_IS_CHARACTER_SPECIAL) != 0;
}
bool path_is_valid(const char *path)
{
return (path_stat_cb(path, NULL) & RETRO_VFS_STAT_IS_VALID) != 0;
}
int32_t path_get_size(const char *path)
{
int32_t filesize = 0;
if (path_stat_cb(path, &filesize) != 0)
return filesize;
return -1;
}
/**
* path_mkdir:
* @dir : directory
*
* Create directory on filesystem.
*
* Returns: true (1) if directory could be created, otherwise false (0).
**/
bool path_mkdir(const char *dir)
{
bool sret = false;
bool norecurse = false;
char *basedir = NULL;
if (!(dir && *dir))
return false;
/* Use heap. Real chance of stack
* overflow if we recurse too hard. */
basedir = strdup(dir);
if (!basedir)
return false;
path_parent_dir(basedir);
if (!*basedir || !strcmp(basedir, dir))
{
free(basedir);
return false;
}
if (path_is_directory(basedir))
norecurse = true;
else
{
sret = path_mkdir(basedir);
if (sret)
norecurse = true;
}
free(basedir);
if (norecurse)
{
int ret = path_mkdir_cb(dir);
/* Don't treat this as an error. */
if (ret == -2 && path_is_directory(dir))
return true;
return (ret == 0);
}
return sret;
}
/* Copyright (C) 2010-2020 The RetroArch team
*
* ---------------------------------------------------------------------------------------
* The following license statement only applies to this file (crc32.h).
* ---------------------------------------------------------------------------------------
*
* Permission is hereby granted, free of charge,
* to any person obtaining a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef _LIBRETRO_ENCODINGS_CRC32_H
#define _LIBRETRO_ENCODINGS_CRC32_H
#include <stdint.h>
#include <stddef.h>
#include <retro_common_api.h>
RETRO_BEGIN_DECLS
uint32_t encoding_crc32(uint32_t crc, const uint8_t *buf, size_t len);
uint32_t file_crc32(uint32_t crc, const char *path);
RETRO_END_DECLS
#endif
/* Copyright (C) 2010-2020 The RetroArch team
*
* ---------------------------------------------------------------------------------------
* The following license statement only applies to this file (interface_stream.h).
* ---------------------------------------------------------------------------------------
*
* Permission is hereby granted, free of charge,
* to any person obtaining a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef _LIBRETRO_SDK_INTERFACE_STREAM_H
#define _LIBRETRO_SDK_INTERFACE_STREAM_H
#include <stdint.h>
#include <stddef.h>
#include <sys/types.h>
#include <retro_common_api.h>
#include <boolean.h>
RETRO_BEGIN_DECLS
enum intfstream_type
{
INTFSTREAM_FILE = 0,
INTFSTREAM_MEMORY,
INTFSTREAM_CHD,
INTFSTREAM_RZIP
};
typedef struct intfstream_internal intfstream_internal_t, intfstream_t;
typedef struct intfstream_info
{
struct
{
struct
{
uint8_t *data;
uint64_t size;
} buf;
bool writable;
} memory;
struct
{
void *handle;
int32_t track;
} chd;
enum intfstream_type type;
} intfstream_info_t;
void *intfstream_init(intfstream_info_t *info);
bool intfstream_resize(intfstream_internal_t *intf,
intfstream_info_t *info);
bool intfstream_open(intfstream_internal_t *intf,
const char *path, unsigned mode, unsigned hints);
int64_t intfstream_read(intfstream_internal_t *intf,
void *s, uint64_t len);
int64_t intfstream_write(intfstream_internal_t *intf,
const void *s, uint64_t len);
int intfstream_printf(intfstream_internal_t *intf,
const char* format, ...);
int64_t intfstream_get_ptr(intfstream_internal_t *intf);
char *intfstream_gets(intfstream_internal_t *intf,
char *buffer, uint64_t len);
int intfstream_getc(intfstream_internal_t *intf);
int64_t intfstream_seek(intfstream_internal_t *intf,
int64_t offset, int whence);
void intfstream_rewind(intfstream_internal_t *intf);
int64_t intfstream_tell(intfstream_internal_t *intf);
int intfstream_eof(intfstream_internal_t *intf);
void intfstream_putc(intfstream_internal_t *intf, int c);
int intfstream_close(intfstream_internal_t *intf);
int64_t intfstream_get_size(intfstream_internal_t *intf);
int intfstream_flush(intfstream_internal_t *intf);
uint32_t intfstream_get_offset_to_start(intfstream_internal_t *intf);
uint32_t intfstream_get_frame_size(intfstream_internal_t *intf);
bool intfstream_is_compressed(intfstream_internal_t *intf);
bool intfstream_get_crc(intfstream_internal_t *intf, uint32_t *crc);
intfstream_t *intfstream_open_file(const char *path,
unsigned mode, unsigned hints);
intfstream_t *intfstream_open_memory(void *data,
unsigned mode, unsigned hints, uint64_t size);
intfstream_t *intfstream_open_writable_memory(void *data,
unsigned mode, unsigned hints, uint64_t size);
intfstream_t *intfstream_open_chd_track(const char *path,
unsigned mode, unsigned hints, int32_t track);
intfstream_t *intfstream_open_rzip_file(const char *path,
unsigned mode);
RETRO_END_DECLS
#endif
/* Copyright (C) 2010-2020 The RetroArch team
*
* ---------------------------------------------------------------------------------------
* The following license statement only applies to this file (memory_stream.h).
* ---------------------------------------------------------------------------------------
*
* Permission is hereby granted, free of charge,
* to any person obtaining a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef _LIBRETRO_SDK_FILE_MEMORY_STREAM_H
#define _LIBRETRO_SDK_FILE_MEMORY_STREAM_H
#include <stdint.h>
#include <stddef.h>
#include <retro_common_api.h>
RETRO_BEGIN_DECLS
typedef struct memstream memstream_t;
memstream_t *memstream_open(unsigned writing);
void memstream_close(memstream_t *stream);
uint64_t memstream_read(memstream_t *stream, void *data, uint64_t bytes);
uint64_t memstream_write(memstream_t *stream, const void *data, uint64_t bytes);
int memstream_getc(memstream_t *stream);
void memstream_putc(memstream_t *stream, int c);
char *memstream_gets(memstream_t *stream, char *buffer, size_t len);
uint64_t memstream_pos(memstream_t *stream);
void memstream_rewind(memstream_t *stream);
int64_t memstream_seek(memstream_t *stream, int64_t offset, int whence);
void memstream_set_buffer(uint8_t *buffer, uint64_t size);
uint64_t memstream_get_last_size(void);
uint64_t memstream_get_ptr(memstream_t *stream);
RETRO_END_DECLS
#endif
/* Copyright (C) 2010-2020 The RetroArch team
*
* ---------------------------------------------------------------------------------------
* The following license statement only applies to this file (memalign.c).
* ---------------------------------------------------------------------------------------
*
* Permission is hereby granted, free of charge,
* to any person obtaining a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <stdint.h>
#include <stdlib.h>
#include <memalign.h>
void *memalign_alloc(size_t boundary, size_t size)
{
void **place = NULL;
uintptr_t addr = 0;
void *ptr = (void*)malloc(boundary + size + sizeof(uintptr_t));
if (!ptr)
return NULL;
addr = ((uintptr_t)ptr + sizeof(uintptr_t) + boundary)
& ~(boundary - 1);
place = (void**)addr;
place[-1] = ptr;
return (void*)addr;