diff options
Diffstat (limited to 'libretro/libretro-common')
| -rw-r--r-- | libretro/libretro-common/include/compat/msvc/stdint.h | 254 | ||||
| -rw-r--r-- | libretro/libretro-common/include/retro_common.h | 37 | ||||
| -rw-r--r-- | libretro/libretro-common/include/retro_common_api.h | 107 | ||||
| -rw-r--r-- | libretro/libretro-common/include/streams/memory_stream.h | 61 | ||||
| -rw-r--r-- | libretro/libretro-common/streams/memory_stream.c | 190 | ||||
| -rw-r--r-- | libretro/libretro-common/streams/memory_stream.obj | bin | 0 -> 4354 bytes |
6 files changed, 649 insertions, 0 deletions
diff --git a/libretro/libretro-common/include/compat/msvc/stdint.h b/libretro/libretro-common/include/compat/msvc/stdint.h new file mode 100644 index 0000000..403e1f7 --- /dev/null +++ b/libretro/libretro-common/include/compat/msvc/stdint.h @@ -0,0 +1,254 @@ +/* ISO C9x compliant stdint.h for Microsoft Visual Studio + * Based on ISO/IEC 9899:TC2 Committee draft (May 6, 2005) WG14/N1124 + * + * Copyright (c) 2006-2008 Alexander Chemeris + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. The name of the author may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO + * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; + * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __RARCH_STDINT_H +#define __RARCH_STDINT_H + +#if _MSC_VER && (_MSC_VER < 1600) +/* Pre-MSVC 2010 needs an implementation of stdint.h. */ + +#if _MSC_VER > 1000 +#pragma once +#endif + +#include <limits.h> + +/* For Visual Studio 6 in C++ mode and for many Visual Studio versions when + * compiling for ARM we should wrap <wchar.h> include with 'extern "C++" {}' + * or compiler give many errors like this: + * + * error C2733: second C linkage of overloaded function 'wmemchr' not allowed + */ +#ifdef __cplusplus +extern "C" { +#endif +# include <wchar.h> +#ifdef __cplusplus +} +#endif + +/* Define _W64 macros to mark types changing their size, like intptr_t. */ +#ifndef _W64 +# if !defined(__midl) && (defined(_X86_) || defined(_M_IX86)) && _MSC_VER >= 1300 +# define _W64 __w64 +# else +# define _W64 +# endif +#endif + + +/* 7.18.1 Integer types. */ + +/* 7.18.1.1 Exact-width integer types. */ + +/* Visual Studio 6 and Embedded Visual C++ 4 doesn't + * realize that, e.g. char has the same size as __int8 + * so we give up on __intX for them. + */ +#if (_MSC_VER < 1300) + typedef signed char int8_t; + typedef signed short int16_t; + typedef signed int int32_t; + typedef unsigned char uint8_t; + typedef unsigned short uint16_t; + typedef unsigned int uint32_t; +#else + typedef signed __int8 int8_t; + typedef signed __int16 int16_t; + typedef signed __int32 int32_t; + typedef unsigned __int8 uint8_t; + typedef unsigned __int16 uint16_t; + typedef unsigned __int32 uint32_t; +#endif +typedef signed __int64 int64_t; +typedef unsigned __int64 uint64_t; + + +/* 7.18.1.2 Minimum-width integer types. */ +typedef int8_t int_least8_t; +typedef int16_t int_least16_t; +typedef int32_t int_least32_t; +typedef int64_t int_least64_t; +typedef uint8_t uint_least8_t; +typedef uint16_t uint_least16_t; +typedef uint32_t uint_least32_t; +typedef uint64_t uint_least64_t; + +/* 7.18.1.3 Fastest minimum-width integer types. */ +typedef int8_t int_fast8_t; +typedef int16_t int_fast16_t; +typedef int32_t int_fast32_t; +typedef int64_t int_fast64_t; +typedef uint8_t uint_fast8_t; +typedef uint16_t uint_fast16_t; +typedef uint32_t uint_fast32_t; +typedef uint64_t uint_fast64_t; + +/* 7.18.1.4 Integer types capable of holding object pointers. */ +#ifdef _WIN64 /* [ */ + typedef signed __int64 intptr_t; + typedef unsigned __int64 uintptr_t; +#else /* _WIN64 ][ */ + typedef _W64 signed int intptr_t; + typedef _W64 unsigned int uintptr_t; +#endif /* _WIN64 ] */ + +/* 7.18.1.5 Greatest-width integer types. */ +typedef int64_t intmax_t; +typedef uint64_t uintmax_t; + +/* 7.18.2 Limits of specified-width integer types. */ + +#if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS) +/* [ See footnote 220 at page 257 and footnote 221 at page 259. */ + +/* 7.18.2.1 Limits of exact-width integer types. */ +#define INT8_MIN ((int8_t)_I8_MIN) +#define INT8_MAX _I8_MAX +#define INT16_MIN ((int16_t)_I16_MIN) +#define INT16_MAX _I16_MAX +#define INT32_MIN ((int32_t)_I32_MIN) +#define INT32_MAX _I32_MAX +#define INT64_MIN ((int64_t)_I64_MIN) +#define INT64_MAX _I64_MAX +#define UINT8_MAX _UI8_MAX +#define UINT16_MAX _UI16_MAX +#define UINT32_MAX _UI32_MAX +#define UINT64_MAX _UI64_MAX + +/* 7.18.2.2 Limits of minimum-width integer types. */ +#define INT_LEAST8_MIN INT8_MIN +#define INT_LEAST8_MAX INT8_MAX +#define INT_LEAST16_MIN INT16_MIN +#define INT_LEAST16_MAX INT16_MAX +#define INT_LEAST32_MIN INT32_MIN +#define INT_LEAST32_MAX INT32_MAX +#define INT_LEAST64_MIN INT64_MIN +#define INT_LEAST64_MAX INT64_MAX +#define UINT_LEAST8_MAX UINT8_MAX +#define UINT_LEAST16_MAX UINT16_MAX +#define UINT_LEAST32_MAX UINT32_MAX +#define UINT_LEAST64_MAX UINT64_MAX + +/* 7.18.2.3 Limits of fastest minimum-width integer types. */ +#define INT_FAST8_MIN INT8_MIN +#define INT_FAST8_MAX INT8_MAX +#define INT_FAST16_MIN INT16_MIN +#define INT_FAST16_MAX INT16_MAX +#define INT_FAST32_MIN INT32_MIN +#define INT_FAST32_MAX INT32_MAX +#define INT_FAST64_MIN INT64_MIN +#define INT_FAST64_MAX INT64_MAX +#define UINT_FAST8_MAX UINT8_MAX +#define UINT_FAST16_MAX UINT16_MAX +#define UINT_FAST32_MAX UINT32_MAX +#define UINT_FAST64_MAX UINT64_MAX + +/* 7.18.2.4 Limits of integer types capable of holding object pointers. */ +#ifdef _WIN64 /* [ */ +# define INTPTR_MIN INT64_MIN +# define INTPTR_MAX INT64_MAX +# define UINTPTR_MAX UINT64_MAX +#else /* _WIN64 ][ */ +# define INTPTR_MIN INT32_MIN +# define INTPTR_MAX INT32_MAX +# define UINTPTR_MAX UINT32_MAX +#endif /* _WIN64 ] */ + +/* 7.18.2.5 Limits of greatest-width integer types */ +#define INTMAX_MIN INT64_MIN +#define INTMAX_MAX INT64_MAX +#define UINTMAX_MAX UINT64_MAX + +/* 7.18.3 Limits of other integer types */ + +#ifdef _WIN64 /* [ */ +# define PTRDIFF_MIN _I64_MIN +# define PTRDIFF_MAX _I64_MAX +#else /* _WIN64 ][ */ +# define PTRDIFF_MIN _I32_MIN +# define PTRDIFF_MAX _I32_MAX +#endif /* _WIN64 ] */ + +#define SIG_ATOMIC_MIN INT_MIN +#define SIG_ATOMIC_MAX INT_MAX + +#ifndef SIZE_MAX /* [ */ +# ifdef _WIN64 /* [ */ +# define SIZE_MAX _UI64_MAX +# else /* _WIN64 ][ */ +# define SIZE_MAX _UI32_MAX +# endif /* _WIN64 ] */ +#endif /* SIZE_MAX ] */ + +/* WCHAR_MIN and WCHAR_MAX are also defined in <wchar.h> */ +#ifndef WCHAR_MIN /* [ */ +# define WCHAR_MIN 0 +#endif /* WCHAR_MIN ] */ +#ifndef WCHAR_MAX // [ +# define WCHAR_MAX _UI16_MAX +#endif /* WCHAR_MAX ] */ + +#define WINT_MIN 0 +#define WINT_MAX _UI16_MAX + +#endif /* __STDC_LIMIT_MACROS ] */ + +/* 7.18.4 Limits of other integer types */ + +#if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS) +/* [ See footnote 224 at page 260 */ + +/* 7.18.4.1 Macros for minimum-width integer constants */ + +#define INT8_C(val) val##i8 +#define INT16_C(val) val##i16 +#define INT32_C(val) val##i32 +#define INT64_C(val) val##i64 + +#define UINT8_C(val) val##ui8 +#define UINT16_C(val) val##ui16 +#define UINT32_C(val) val##ui32 +#define UINT64_C(val) val##ui64 + +/* 7.18.4.2 Macros for greatest-width integer constants */ +#define INTMAX_C INT64_C +#define UINTMAX_C UINT64_C + +#endif +/* __STDC_CONSTANT_MACROS ] */ + +#else +/* Sanity for everything else. */ +#include <stdint.h> +#endif + +#endif + diff --git a/libretro/libretro-common/include/retro_common.h b/libretro/libretro-common/include/retro_common.h new file mode 100644 index 0000000..5938bea --- /dev/null +++ b/libretro/libretro-common/include/retro_common.h @@ -0,0 +1,37 @@ +/* Copyright (C) 2010-2017 The RetroArch team + * + * --------------------------------------------------------------------------------------- + * The following license statement only applies to this file (retro_common.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_COMMON_RETRO_COMMON_H +#define _LIBRETRO_COMMON_RETRO_COMMON_H + +/* +This file is designed to normalize the libretro-common compiling environment. +It is not to be used in public API headers, as they should be designed as leanly as possible. +Nonetheless.. in the meantime, if you do something like use ssize_t, which is not fully portable, +in a public API, you may need this. +*/ + +/* conditional compilation is handled inside here */ +#include <compat/msvc.h> + +#endif + diff --git a/libretro/libretro-common/include/retro_common_api.h b/libretro/libretro-common/include/retro_common_api.h new file mode 100644 index 0000000..d637b96 --- /dev/null +++ b/libretro/libretro-common/include/retro_common_api.h @@ -0,0 +1,107 @@ +/* Copyright (C) 2010-2017 The RetroArch team + * + * --------------------------------------------------------------------------------------- + * The following license statement only applies to this file (retro_common_api.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_COMMON_RETRO_COMMON_API_H +#define _LIBRETRO_COMMON_RETRO_COMMON_API_H + +/* +This file is designed to normalize the libretro-common compiling environment +for public API headers. This should be leaner than a normal compiling environment, +since it gets #included into other project's sources. +*/ + +/* ------------------------------------ */ + +/* +Ordinarily we want to put #ifdef __cplusplus extern "C" in C library +headers to enable them to get used by c++ sources. +However, we want to support building this library as C++ as well, so a +special technique is called for. +*/ + +#define RETRO_BEGIN_DECLS +#define RETRO_END_DECLS + +#ifdef __cplusplus + +#ifdef CXX_BUILD +/* build wants everything to be built as c++, so no extern "C" */ +#else +#undef RETRO_BEGIN_DECLS +#undef RETRO_END_DECLS +#define RETRO_BEGIN_DECLS extern "C" { +#define RETRO_END_DECLS } +#endif + +#else + +/* header is included by a C source file, so no extern "C" */ + +#endif + +/* +IMO, this non-standard ssize_t should not be used. +However, it's a good example of how to handle something like this. +*/ +#ifdef _MSC_VER +#ifndef HAVE_SSIZE_T +#define HAVE_SSIZE_T +#if defined(_WIN64) +typedef __int64 ssize_t; +#elif defined(_WIN32) +typedef int ssize_t; +#endif +#endif +#elif defined(__MACH__) +#include <sys/types.h> +#endif + +#ifdef _MSC_VER +#ifndef PRId64 +#define PRId64 "I64d" +#define PRIu64 "I64u" +#define PRIuPTR "Iu" +#endif +#else +#include <inttypes.h> +#endif +#define STRING_REP_INT64 "%" PRId64 +#define STRING_REP_UINT64 "%" PRIu64 +#define STRING_REP_USIZE "%" PRIuPTR + +/* +I would like to see retro_inline.h moved in here; possibly boolean too. + +rationale: these are used in public APIs, and it is easier to find problems +and write code that works the first time portably when theyre included uniformly +than to do the analysis from scratch each time you think you need it, for each feature. + +Moreover it helps force you to make hard decisions: if you EVER bring in boolean.h, +then you should pay the price everywhere, so you can see how much grief it will cause. + +Of course, another school of thought is that you should do as little damage as possible +in as few places as possible... +*/ + + +/* _LIBRETRO_COMMON_RETRO_COMMON_API_H */ +#endif diff --git a/libretro/libretro-common/include/streams/memory_stream.h b/libretro/libretro-common/include/streams/memory_stream.h new file mode 100644 index 0000000..dca8e7a --- /dev/null +++ b/libretro/libretro-common/include/streams/memory_stream.h @@ -0,0 +1,61 @@ +/* Copyright (C) 2010-2017 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); + +size_t memstream_read(memstream_t *stream, void *data, size_t bytes); + +size_t memstream_write(memstream_t *stream, const void *data, size_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); + +size_t memstream_pos(memstream_t *stream); + +void memstream_rewind(memstream_t *stream); + +int memstream_seek(memstream_t *stream, int offset, int whence); + +void memstream_set_buffer(uint8_t *buffer, size_t size); + +size_t memstream_get_last_size(void); + +RETRO_END_DECLS + +#endif diff --git a/libretro/libretro-common/streams/memory_stream.c b/libretro/libretro-common/streams/memory_stream.c new file mode 100644 index 0000000..0141012 --- /dev/null +++ b/libretro/libretro-common/streams/memory_stream.c @@ -0,0 +1,190 @@ +/* Copyright (C) 2010-2017 The RetroArch team + * + * --------------------------------------------------------------------------------------- + * The following license statement only applies to this file (memory_stream.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 <streams/memory_stream.h> + +static uint8_t* g_buffer = NULL; +static size_t g_size = 0; +static size_t last_file_size = 0; + +struct memstream +{ + uint8_t *buf; + size_t size; + size_t ptr; + size_t max_ptr; + unsigned writing; +}; + +static void memstream_update_pos(memstream_t *stream) +{ + if (stream && stream->ptr > stream->max_ptr) + stream->max_ptr = stream->ptr; +} + +void memstream_set_buffer(uint8_t *buffer, size_t size) +{ + g_buffer = buffer; + g_size = size; +} + +size_t memstream_get_last_size(void) +{ + return last_file_size; +} + +static void memstream_init(memstream_t *stream, + uint8_t *buffer, size_t max_size, unsigned writing) +{ + if (!stream) + return; + + stream->buf = buffer; + stream->size = max_size; + stream->ptr = 0; + stream->max_ptr = 0; + stream->writing = writing; +} + +memstream_t *memstream_open(unsigned writing) +{ + memstream_t *stream; + if (!g_buffer || !g_size) + return NULL; + + stream = (memstream_t*)calloc(1, sizeof(*stream)); + memstream_init(stream, g_buffer, g_size, writing); + + g_buffer = NULL; + g_size = 0; + return stream; +} + +void memstream_close(memstream_t *stream) +{ + if (!stream) + return; + + last_file_size = stream->writing ? stream->max_ptr : stream->size; + free(stream); +} + +size_t memstream_read(memstream_t *stream, void *data, size_t bytes) +{ + size_t avail = 0; + + if (!stream) + return 0; + + avail = stream->size - stream->ptr; + if (bytes > avail) + bytes = avail; + + memcpy(data, stream->buf + stream->ptr, bytes); + stream->ptr += bytes; + memstream_update_pos(stream); + return bytes; +} + +size_t memstream_write(memstream_t *stream, const void *data, size_t bytes) +{ + size_t avail = 0; + + if (!stream) + return 0; + + avail = stream->size - stream->ptr; + if (bytes > avail) + bytes = avail; + + memcpy(stream->buf + stream->ptr, data, bytes); + stream->ptr += bytes; + memstream_update_pos(stream); + return bytes; +} + +int memstream_seek(memstream_t *stream, int offset, int whence) +{ + size_t ptr; + + switch (whence) + { + case SEEK_SET: + ptr = offset; + break; + case SEEK_CUR: + ptr = stream->ptr + offset; + break; + case SEEK_END: + ptr = (stream->writing ? stream->max_ptr : stream->size) + offset; + break; + default: + return -1; + } + + if (ptr <= stream->size) + { + stream->ptr = ptr; + return 0; + } + + return -1; +} + +void memstream_rewind(memstream_t *stream) +{ + memstream_seek(stream, 0L, SEEK_SET); +} + +size_t memstream_pos(memstream_t *stream) +{ + return stream->ptr; +} + +char *memstream_gets(memstream_t *stream, char *buffer, size_t len) +{ + return NULL; +} + +int memstream_getc(memstream_t *stream) +{ + int ret = 0; + if (stream->ptr >= stream->size) + return EOF; + ret = stream->buf[stream->ptr++]; + + memstream_update_pos(stream); + + return ret; +} + +void memstream_putc(memstream_t *stream, int c) +{ + if (stream->ptr < stream->size) + stream->buf[stream->ptr++] = c; + + memstream_update_pos(stream); +} diff --git a/libretro/libretro-common/streams/memory_stream.obj b/libretro/libretro-common/streams/memory_stream.obj Binary files differnew file mode 100644 index 0000000..b49f9cf --- /dev/null +++ b/libretro/libretro-common/streams/memory_stream.obj |