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Rewrite of the StorageAPI

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This commit is contained in:
Maschell 2023-10-01 13:00:27 +02:00
parent f0bf943f72
commit 58a2d3f734
7 changed files with 272 additions and 772 deletions
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9
Makefile
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@ -3,7 +3,7 @@ include $(TOPDIR)/share/wups_rules
export WUPS_MAJOR := 0 export WUPS_MAJOR := 0
export WUPS_MINOR := 7 export WUPS_MINOR := 7
export WUPS_PATCH := 1 export WUPS_PATCH := 2
VERSION := $(WUPS_MAJOR).$(WUPS_MINOR).$(WUPS_PATCH) VERSION := $(WUPS_MAJOR).$(WUPS_MINOR).$(WUPS_PATCH)
@ -16,8 +16,7 @@ VERSION := $(WUPS_MAJOR).$(WUPS_MINOR).$(WUPS_PATCH)
#--------------------------------------------------------------------------------- #---------------------------------------------------------------------------------
TARGET := wups TARGET := wups
#BUILD := build #BUILD := build
SOURCES := libraries/libwups/ \ SOURCES := libraries/libwups/
libraries/libwups/utils
DATA := data DATA := data
INCLUDES := include INCLUDES := include
@ -104,10 +103,10 @@ lib:
@[ -d $@ ] || mkdir -p $@ @[ -d $@ ] || mkdir -p $@
release: release:
@[ -d $@ ] || mkdir -p $@ @$(shell [ ! -d 'release' ] && mkdir -p 'release')
debug: debug:
@[ -d $@ ] || mkdir -p $@ @$(shell [ ! -d 'debug' ] && mkdir -p 'debug')
lib/libwups.a : lib release $(SOURCES) $(INCLUDES) lib/libwups.a : lib release $(SOURCES) $(INCLUDES)
@$(MAKE) BUILD=release OUTPUT=$(CURDIR)/$@ \ @$(MAKE) BUILD=release OUTPUT=$(CURDIR)/$@ \

4
include/wups/hooks.h
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@ -47,7 +47,7 @@ typedef enum wups_loader_hook_type_t {
WUPS_LOADER_HOOK_GET_CONFIG, WUPS_LOADER_HOOK_GET_CONFIG,
WUPS_LOADER_HOOK_CONFIG_CLOSED, WUPS_LOADER_HOOK_CONFIG_CLOSED,
WUPS_LOADER_HOOK_INIT_STORAGE, /* Only for internal usage */ WUPS_LOADER_HOOK_INIT_STORAGE_DEPRECATED, /* Deprecated implementation */
WUPS_LOADER_HOOK_INIT_PLUGIN, /* Called when exiting the plugin loader */ WUPS_LOADER_HOOK_INIT_PLUGIN, /* Called when exiting the plugin loader */
WUPS_LOADER_HOOK_DEINIT_PLUGIN, /* Called when re-entering the plugin loader */ WUPS_LOADER_HOOK_DEINIT_PLUGIN, /* Called when re-entering the plugin loader */
@ -56,6 +56,8 @@ typedef enum wups_loader_hook_type_t {
WUPS_LOADER_HOOK_ACQUIRED_FOREGROUND, /* Called when an foreground is acquired */ WUPS_LOADER_HOOK_ACQUIRED_FOREGROUND, /* Called when an foreground is acquired */
WUPS_LOADER_HOOK_APPLICATION_REQUESTS_EXIT, /* Called when an application wants to exit */ WUPS_LOADER_HOOK_APPLICATION_REQUESTS_EXIT, /* Called when an application wants to exit */
WUPS_LOADER_HOOK_APPLICATION_ENDS, /* Called when an application ends */ WUPS_LOADER_HOOK_APPLICATION_ENDS, /* Called when an application ends */
WUPS_LOADER_HOOK_INIT_STORAGE, /* Only for internal usage */
} wups_loader_hook_type_t; } wups_loader_hook_type_t;
typedef struct wups_loader_hook_t { typedef struct wups_loader_hook_t {

2
include/wups/meta.h
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@ -38,7 +38,7 @@
extern "C" { extern "C" {
#endif #endif
#define WUPS_VERSION_STR "0.7.1" #define WUPS_VERSION_STR "0.7.2"
#define WUPS_PLUGIN_NAME(__plugin_name) \ #define WUPS_PLUGIN_NAME(__plugin_name) \
WUPS_META(name, __plugin_name); \ WUPS_META(name, __plugin_name); \
WUPS_META(wups, WUPS_VERSION_STR); \ WUPS_META(wups, WUPS_VERSION_STR); \

115
include/wups/storage.h
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@ -7,48 +7,64 @@ extern "C" {
#include <stdbool.h> #include <stdbool.h>
#include <stdint.h> #include <stdint.h>
typedef enum wups_storage_type_t_ {
WUPS_STORAGE_TYPE_INVALID,
WUPS_STORAGE_TYPE_STRING,
WUPS_STORAGE_TYPE_INT,
WUPS_STORAGE_TYPE_ITEM,
} wups_storage_type_t;
typedef enum { typedef enum {
WUPS_STORAGE_ERROR_SUCCESS = 0, WUPS_STORAGE_ERROR_SUCCESS = 0,
WUPS_STORAGE_ERROR_NOT_OPENED = -1, WUPS_STORAGE_ERROR_INVALID_ARGS = 1,
WUPS_STORAGE_ERROR_ALREADY_OPENED = -2, WUPS_STORAGE_ERROR_INVALID_POINTER = 2,
WUPS_STORAGE_ERROR_INVALID_ARGS = -3, WUPS_STORAGE_ERROR_INVALID_VERSION = 3,
WUPS_STORAGE_ERROR_NOT_FOUND = -4, WUPS_STORAGE_ERROR_UNEXPECTED_DATA_TYPE = 4,
WUPS_STORAGE_ERROR_NOT_INITIALIZED = -5, WUPS_STORAGE_ERROR_NOT_FOUND = 5,
WUPS_STORAGE_ERROR_INVALID_BACKEND_PARAMS = -6, WUPS_STORAGE_ERROR_MALLOC_FAILED = 6,
WUPS_STORAGE_ERROR_INVALID_JSON = -7, WUPS_STORAGE_ERROR_ALREADY_OPENED = 7,
WUPS_STORAGE_ERROR_IO = -8, WUPS_STORAGE_ERROR_BUFFER_TOO_SMALL = 8,
WUPS_STORAGE_ERROR_B64_DECODE_FAILED = -9, WUPS_STORAGE_ERROR_ALREADY_EXISTS = 9,
WUPS_STORAGE_ERROR_BUFFER_TOO_SMALL = -10, WUPS_STORAGE_ERROR_UNKNOWN_ERROR = 10
WUPS_STORAGE_ERROR_MALLOC_FAILED = -11,
WUPS_STORAGE_ERROR_NOT_ACTIVE_CATEGORY = -13,
} WUPSStorageError; } WUPSStorageError;
typedef struct wups_storage_item_t_ { typedef enum {
char *key; WUPS_STORAGE_ITEM_S32 = 0,
void *data; WUPS_STORAGE_ITEM_S64 = 1,
uint32_t data_size; WUPS_STORAGE_ITEM_U32 = 2,
uint32_t deleted; WUPS_STORAGE_ITEM_U64 = 3,
wups_storage_type_t type; WUPS_STORAGE_ITEM_STRING = 4,
} wups_storage_item_t; WUPS_STORAGE_ITEM_BINARY = 5,
WUPS_STORAGE_ITEM_BOOL = 6,
WUPS_STORAGE_ITEM_FLOAT = 7,
WUPS_STORAGE_ITEM_DOUBLE = 8,
} WUPSStorageItemTypes;
typedef WUPSStorageError (*OpenStorageFunction)(const char *plugin_id, wups_storage_item_t *items); typedef uint32_t WUPSStorageItemType;
typedef WUPSStorageError (*CloseStorageFunction)(const char *plugin_id, wups_storage_item_t *items);
typedef void *wups_storage_root_item;
typedef void *wups_storage_item;
typedef WUPSStorageError (*OpenStorageFunction)(const char *plugin_id, wups_storage_root_item *root);
typedef WUPSStorageError (*CloseStorageFunction)(const char *plugin_id);
typedef WUPSStorageError (*DeleteItemFunction)(wups_storage_root_item root, wups_storage_item parent, const char *key);
typedef WUPSStorageError (*CreateSubItemFunction)(wups_storage_root_item root, wups_storage_item parent, const char *key, wups_storage_item *outItem);
typedef WUPSStorageError (*GetSubItemFunction)(wups_storage_root_item root, wups_storage_item parent, const char *key, wups_storage_item *outItem);
typedef WUPSStorageError (*StoreItemFunction)(wups_storage_root_item root, wups_storage_item parent, const char *key, WUPSStorageItemType itemType, void *data, uint32_t length);
typedef WUPSStorageError (*GetItemFunction)(wups_storage_root_item root, wups_storage_item parent, const char *key, WUPSStorageItemType itemType, void *data, uint32_t maxSize, uint32_t *outSize);
typedef WUPSStorageError (*GetItemSizeFunction)(wups_storage_root_item root, wups_storage_item parent, const char *key, uint32_t *outSize);
typedef uint32_t WUPS_STORAGE_API_VERSION;
#define WUPS_STORAGE_CUR_API_VERSION 0x02
typedef struct wups_loader_init_storage_args_t_ { typedef struct wups_loader_init_storage_args_t_ {
WUPS_STORAGE_API_VERSION version;
OpenStorageFunction open_storage_ptr; OpenStorageFunction open_storage_ptr;
CloseStorageFunction close_storage_ptr; CloseStorageFunction close_storage_ptr;
DeleteItemFunction delete_item_function_ptr;
CreateSubItemFunction create_sub_item_function_ptr;
GetSubItemFunction get_sub_item_function_ptr;
StoreItemFunction store_item_function_ptr;
GetItemFunction get_item_function_ptr;
GetItemSizeFunction get_item_size_function_ptr;
const char *plugin_id; const char *plugin_id;
} wups_loader_init_storage_args_t; } wups_loader_init_storage_args_t;
/* called by backend */ /* called by backend */
void WUPS_InitStorage(wups_loader_init_storage_args_t args); WUPSStorageError WUPS_InitStorage(wups_loader_init_storage_args_t args);
const char *WUPS_GetStorageStatusStr(WUPSStorageError status); const char *WUPS_GetStorageStatusStr(WUPSStorageError status);
@ -59,24 +75,37 @@ WUPSStorageError WUPS_OpenStorage(void);
WUPSStorageError WUPS_CloseStorage(void); WUPSStorageError WUPS_CloseStorage(void);
/* deletes key from storage */ /* deletes key from storage */
WUPSStorageError WUPS_DeleteItem(wups_storage_item_t *parent, const char *key); WUPSStorageError WUPS_DeleteItem(wups_storage_item parent, const char *key);
/* returns the size of key on success, or an error code */ WUPSStorageError WUPS_CreateSubItem(wups_storage_item parent, const char *key, wups_storage_item *outItem);
// TODO do we need this? what about binary data? WUPSStorageError WUPS_GetSubItem(wups_storage_item parent, const char *key, wups_storage_item *outItem);
// int32_t WUPS_GetSize(const char* key);
WUPSStorageError WUPS_CreateSubItem(wups_storage_item_t *parent, const char *key, wups_storage_item_t **outItem); WUPSStorageError WUPS_StoreString(wups_storage_item parent, const char *key, const char *string);
WUPSStorageError WUPS_GetSubItem(wups_storage_item_t *parent, const char *key, wups_storage_item_t **outItem); WUPSStorageError WUPS_StoreBool(wups_storage_item parent, const char *key, bool value);
WUPSStorageError WUPS_StoreInt(wups_storage_item parent, const char *key, int32_t value);
WUPSStorageError WUPS_StoreS32(wups_storage_item parent, const char *key, int32_t value);
WUPSStorageError WUPS_StoreS64(wups_storage_item parent, const char *key, int64_t value);
WUPSStorageError WUPS_StoreU32(wups_storage_item parent, const char *key, uint32_t value);
WUPSStorageError WUPS_StoreU64(wups_storage_item parent, const char *key, uint64_t value);
WUPSStorageError WUPS_StoreFloat(wups_storage_item parent, const char *key, float value);
WUPSStorageError WUPS_StoreDouble(wups_storage_item parent, const char *key, double value);
WUPSStorageError WUPS_StoreBinary(wups_storage_item parent, const char *key, const void *data, uint32_t size);
WUPSStorageError WUPS_StoreString(wups_storage_item_t *parent, const char *key, const char *string); WUPSStorageError WUPS_GetString(wups_storage_item parent, const char *key, char *outString, uint32_t maxSize, uint32_t *outSize);
WUPSStorageError WUPS_StoreBool(wups_storage_item_t *parent, const char *key, bool value); WUPSStorageError WUPS_GetBool(wups_storage_item parent, const char *key, bool *outValue);
WUPSStorageError WUPS_StoreInt(wups_storage_item_t *parent, const char *key, int32_t value); WUPSStorageError WUPS_GetInt(wups_storage_item parent, const char *key, int32_t *outValue);
WUPSStorageError WUPS_StoreBinary(wups_storage_item_t *parent, const char *key, const void *data, uint32_t size); WUPSStorageError WUPS_GetS32(wups_storage_item parent, const char *key, int32_t *outValue);
WUPSStorageError WUPS_GetS64(wups_storage_item parent, const char *key, int64_t *outValue);
WUPSStorageError WUPS_GetU32(wups_storage_item parent, const char *key, uint32_t *outValue);
WUPSStorageError WUPS_GetU64(wups_storage_item parent, const char *key, uint64_t *outValue);
WUPSStorageError WUPS_GetFloat(wups_storage_item parent, const char *key, float *outValue);
WUPSStorageError WUPS_GetDouble(wups_storage_item parent, const char *key, double *outValue);
WUPSStorageError WUPS_GetBinary(wups_storage_item parent, const char *key, void *outData, uint32_t maxSize, uint32_t *outSize);
WUPSStorageError WUPS_GetString(wups_storage_item_t *parent, const char *key, char *outString, uint32_t maxSize); /**
WUPSStorageError WUPS_GetBool(wups_storage_item_t *parent, const char *key, bool *outBool); * Return the size of a stored string or binary item.
WUPSStorageError WUPS_GetInt(wups_storage_item_t *parent, const char *key, int32_t *outInt); */
WUPSStorageError WUPS_GetBinary(wups_storage_item_t *parent, const char *key, void *outData, uint32_t maxSize); WUPSStorageError WUPS_GetItemSize(wups_storage_item parent, const char *key, uint32_t *outSize);
#ifdef __cplusplus #ifdef __cplusplus
} }

727
libraries/libwups/storage.cpp
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@ -2,632 +2,249 @@
#include <cstring> #include <cstring>
#include <wups.h> #include <wups.h>
#include "utils/base64.h" struct wups_internal_functions_t {
OpenStorageFunction openfunction_ptr = nullptr;
CloseStorageFunction closefunction_ptr = nullptr;
DeleteItemFunction delete_item_function_ptr = nullptr;
CreateSubItemFunction create_sub_item_function_ptr = nullptr;
GetSubItemFunction get_sub_item_function_ptr = nullptr;
StoreItemFunction store_item_function_ptr = nullptr;
GetItemFunction get_item_function_ptr = nullptr;
GetItemSizeFunction get_item_size_function_ptr = nullptr;
char plugin_id[256]{};
wups_storage_root_item __storageroot_item = nullptr;
};
static OpenStorageFunction openfunction_ptr __attribute__((section(".data"))) = nullptr; static wups_internal_functions_t __internal_functions __attribute__((section(".data"))) = {};
static CloseStorageFunction closefunction_ptr __attribute__((section(".data"))) = nullptr;
static char plugin_id[256] __attribute__((section(".data")));
static uint32_t storage_initialized __attribute__((section(".data"))) = false; WUPSStorageError WUPS_InitStorage(wups_loader_init_storage_args_t args) {
static uint32_t isOpened __attribute__((section(".data"))); if (args.version != WUPS_STORAGE_CUR_API_VERSION) {
static uint32_t isDirty __attribute__((section(".data"))); __internal_functions = {};
static wups_storage_item_t rootItem __attribute__((section(".data"))); return WUPS_STORAGE_ERROR_INVALID_VERSION;
}
__internal_functions.openfunction_ptr = args.open_storage_ptr;
__internal_functions.closefunction_ptr = args.close_storage_ptr;
__internal_functions.delete_item_function_ptr = args.delete_item_function_ptr;
__internal_functions.create_sub_item_function_ptr = args.create_sub_item_function_ptr;
__internal_functions.get_sub_item_function_ptr = args.get_sub_item_function_ptr;
__internal_functions.store_item_function_ptr = args.store_item_function_ptr;
__internal_functions.get_item_function_ptr = args.get_item_function_ptr;
__internal_functions.get_item_size_function_ptr = args.get_item_size_function_ptr;
static wups_storage_item_t *sActiveSubItem __attribute__((section(".data"))) = nullptr; strncpy(__internal_functions.plugin_id, args.plugin_id, sizeof(__internal_functions.plugin_id) - 1);
return WUPS_STORAGE_ERROR_SUCCESS;
void WUPS_InitStorage(wups_loader_init_storage_args_t args) {
openfunction_ptr = args.open_storage_ptr;
closefunction_ptr = args.close_storage_ptr;
strncpy(plugin_id, args.plugin_id, sizeof(plugin_id) - 1);
storage_initialized = true;
isOpened = false;
isDirty = false;
sActiveSubItem = nullptr;
rootItem.key = nullptr;
rootItem.data = nullptr;
rootItem.data_size = 0;
rootItem.deleted = false;
rootItem.type = WUPS_STORAGE_TYPE_ITEM;
} }
const char *WUPS_GetStorageStatusStr(WUPSStorageError status) { const char *WUPS_GetStorageStatusStr(WUPSStorageError status) {
switch (status) { switch (status) {
case WUPS_STORAGE_ERROR_SUCCESS: case WUPS_STORAGE_ERROR_SUCCESS:
return "WUPS_STORAGE_ERROR_SUCCESS"; return "WUPS_STORAGE_ERROR_SUCCESS";
case WUPS_STORAGE_ERROR_NOT_OPENED:
return "WUPS_STORAGE_ERROR_NOT_OPENED";
case WUPS_STORAGE_ERROR_ALREADY_OPENED:
return "WUPS_STORAGE_ERROR_ALREADY_OPENED";
case WUPS_STORAGE_ERROR_INVALID_ARGS: case WUPS_STORAGE_ERROR_INVALID_ARGS:
return "WUPS_STORAGE_ERROR_INVALID_ARGS"; return "WUPS_STORAGE_ERROR_INVALID_ARGS";
case WUPS_STORAGE_ERROR_INVALID_POINTER:
return "WUPS_STORAGE_ERROR_INVALID_POINTER";
case WUPS_STORAGE_ERROR_INVALID_VERSION:
return "WUPS_STORAGE_ERROR_INVALID_VERSION";
case WUPS_STORAGE_ERROR_UNEXPECTED_DATA_TYPE:
return "WUPS_STORAGE_ERROR_UNEXPECTED_DATA_TYPE";
case WUPS_STORAGE_ERROR_NOT_FOUND: case WUPS_STORAGE_ERROR_NOT_FOUND:
return "WUPS_STORAGE_ERROR_NOT_FOUND"; return "WUPS_STORAGE_ERROR_NOT_FOUND";
case WUPS_STORAGE_ERROR_NOT_INITIALIZED:
return "WUPS_STORAGE_ERROR_NOT_INITIALIZED";
case WUPS_STORAGE_ERROR_INVALID_BACKEND_PARAMS:
return "WUPS_STORAGE_ERROR_INVALID_BACKEND_PARAMS";
case WUPS_STORAGE_ERROR_INVALID_JSON:
return "WUPS_STORAGE_ERROR_INVALID_JSON";
case WUPS_STORAGE_ERROR_IO:
return "WUPS_STORAGE_ERROR_IO";
case WUPS_STORAGE_ERROR_B64_DECODE_FAILED:
return "WUPS_STORAGE_ERROR_B64_DECODE_FAILED";
case WUPS_STORAGE_ERROR_BUFFER_TOO_SMALL:
return "WUPS_STORAGE_ERROR_BUFFER_TOO_SMALL";
case WUPS_STORAGE_ERROR_MALLOC_FAILED: case WUPS_STORAGE_ERROR_MALLOC_FAILED:
return "WUPS_STORAGE_ERROR_MALLOC_FAILED"; return "WUPS_STORAGE_ERROR_MALLOC_FAILED";
case WUPS_STORAGE_ERROR_NOT_ACTIVE_CATEGORY: case WUPS_STORAGE_ERROR_ALREADY_OPENED:
return "WUPS_STORAGE_ERROR_NOT_ACTIVE_CATEGORY"; return "WUPS_STORAGE_ERROR_ALREADY_OPENED";
case WUPS_STORAGE_ERROR_BUFFER_TOO_SMALL:
return "WUPS_STORAGE_ERROR_BUFFER_TOO_SMALL";
case WUPS_STORAGE_ERROR_ALREADY_EXISTS:
return "WUPS_STORAGE_ERROR_ALREADY_EXISTS";
case WUPS_STORAGE_ERROR_UNKNOWN_ERROR:
return "WUPS_STORAGE_ERROR_UNKNOWN_ERROR";
} }
return "WUPS_STORAGE_ERROR_UNKNOWN"; return "WUPS_STORAGE_ERROR_UNKNOWN";
} }
WUPSStorageError WUPS_OpenStorage(void) { WUPSStorageError WUPS_OpenStorage(void) {
if (!storage_initialized) { if (__internal_functions.openfunction_ptr == nullptr) {
return WUPS_STORAGE_ERROR_NOT_INITIALIZED; return WUPS_STORAGE_ERROR_INVALID_POINTER;
} }
auto res = __internal_functions.openfunction_ptr(__internal_functions.plugin_id, &__internal_functions.__storageroot_item);
if (isOpened) { if (res != WUPS_STORAGE_ERROR_SUCCESS) {
return WUPS_STORAGE_ERROR_ALREADY_OPENED; __internal_functions.__storageroot_item = nullptr;
} }
return res;
WUPSStorageError result = openfunction_ptr(plugin_id, &rootItem);
if (result == WUPS_STORAGE_ERROR_SUCCESS || result == WUPS_STORAGE_ERROR_INVALID_JSON) {
isOpened = true;
isDirty = false;
}
return result;
}
static void closeItem(wups_storage_item_t *item) {
if (!item) {
return;
}
if (item->type == WUPS_STORAGE_TYPE_ITEM) {
auto *items = (wups_storage_item_t *) item->data;
for (uint32_t i = 0; i < item->data_size; i++) {
closeItem(&items[i]);
}
}
free(item->data);
free(item->key);
} }
WUPSStorageError WUPS_CloseStorage(void) { WUPSStorageError WUPS_CloseStorage(void) {
if (!storage_initialized) { if (__internal_functions.closefunction_ptr == nullptr) {
return WUPS_STORAGE_ERROR_NOT_INITIALIZED; return WUPS_STORAGE_ERROR_INVALID_POINTER;
}
auto res = __internal_functions.closefunction_ptr(__internal_functions.plugin_id);
if (res == WUPS_STORAGE_ERROR_SUCCESS) {
__internal_functions.__storageroot_item = nullptr;
}
return res;
} }
if (!isOpened) { WUPSStorageError WUPS_DeleteItem(wups_storage_item parent, const char *key) {
return WUPS_STORAGE_ERROR_NOT_OPENED; if (__internal_functions.delete_item_function_ptr == nullptr) {
return WUPS_STORAGE_ERROR_INVALID_POINTER;
}
return __internal_functions.delete_item_function_ptr(__internal_functions.__storageroot_item, parent, key);
} }
WUPSStorageError result = WUPS_STORAGE_ERROR_SUCCESS; WUPSStorageError WUPS_CreateSubItem(wups_storage_item parent, const char *key, wups_storage_item *outItem) {
if (isDirty) { if (__internal_functions.create_sub_item_function_ptr == nullptr) {
result = closefunction_ptr(plugin_id, &rootItem); return WUPS_STORAGE_ERROR_INVALID_POINTER;
}
return __internal_functions.create_sub_item_function_ptr(__internal_functions.__storageroot_item, parent, key, outItem);
} }
if (result == WUPS_STORAGE_ERROR_SUCCESS) { WUPSStorageError WUPS_GetSubItem(wups_storage_item parent, const char *key, wups_storage_item *outItem) {
isOpened = false; if (__internal_functions.get_sub_item_function_ptr == nullptr) {
isDirty = false; return WUPS_STORAGE_ERROR_INVALID_POINTER;
closeItem(&rootItem);
rootItem.data_size = 0;
rootItem.data = nullptr;
rootItem.key = nullptr;
} }
sActiveSubItem = nullptr; return __internal_functions.get_sub_item_function_ptr(__internal_functions.__storageroot_item, parent, key, outItem);
return result;
} }
WUPSStorageError WUPS_DeleteItem(wups_storage_item_t *parent, const char *key) { static inline WUPSStorageError WUPS_StoreItem(wups_storage_item parent, const char *key, WUPSStorageItemType type, void *data, uint32_t size) {
if (!storage_initialized) { if (__internal_functions.store_item_function_ptr == nullptr) {
return WUPS_STORAGE_ERROR_NOT_INITIALIZED; return WUPS_STORAGE_ERROR_INVALID_POINTER;
}
return __internal_functions.store_item_function_ptr(__internal_functions.__storageroot_item, parent, key, type, data, size);
} }
if (!isOpened) { WUPSStorageError WUPS_StoreString(wups_storage_item parent, const char *key, const char *value) {
return WUPS_STORAGE_ERROR_NOT_OPENED; if (value == nullptr) {
return WUPS_STORAGE_ERROR_INVALID_ARGS;
}
return WUPS_StoreItem(parent, key, WUPS_STORAGE_ITEM_STRING, (void *) value, strlen(value));
} }
if (!key) { WUPSStorageError WUPS_StoreBool(wups_storage_item parent, const char *key, bool value) {
return WUPS_StoreItem(parent, key, WUPS_STORAGE_ITEM_BOOL, (void *) &value, sizeof(bool));
}
WUPSStorageError WUPS_StoreInt(wups_storage_item parent, const char *key, int32_t value) {
return WUPS_StoreItem(parent, key, WUPS_STORAGE_ITEM_S32, (void *) &value, sizeof(int32_t));
}
WUPSStorageError WUPS_StoreS32(wups_storage_item parent, const char *key, int32_t value) {
return WUPS_StoreItem(parent, key, WUPS_STORAGE_ITEM_S32, (void *) &value, sizeof(int32_t));
}
WUPSStorageError WUPS_StoreS64(wups_storage_item parent, const char *key, int64_t value) {
return WUPS_StoreItem(parent, key, WUPS_STORAGE_ITEM_S64, (void *) &value, sizeof(int64_t));
}
WUPSStorageError WUPS_StoreU32(wups_storage_item parent, const char *key, uint32_t value) {
return WUPS_StoreItem(parent, key, WUPS_STORAGE_ITEM_U32, (void *) &value, sizeof(uint32_t));
}
WUPSStorageError WUPS_StoreU64(wups_storage_item parent, const char *key, uint64_t value) {
return WUPS_StoreItem(parent, key, WUPS_STORAGE_ITEM_U64, (void *) &value, sizeof(uint64_t));
}
WUPSStorageError WUPS_StoreFloat(wups_storage_item parent, const char *key, float value) {
return WUPS_StoreItem(parent, key, WUPS_STORAGE_ITEM_FLOAT, (void *) &value, sizeof(float));
}
WUPSStorageError WUPS_StoreDouble(wups_storage_item parent, const char *key, double value) {
return WUPS_StoreItem(parent, key, WUPS_STORAGE_ITEM_DOUBLE, (void *) &value, sizeof(double));
}
WUPSStorageError WUPS_StoreBinary(wups_storage_item parent, const char *key, const void *data, uint32_t size) {
if (data == nullptr) {
return WUPS_STORAGE_ERROR_INVALID_ARGS;
}
return WUPS_StoreItem(parent, key, WUPS_STORAGE_ITEM_BINARY, (void *) data, size);
}
static inline WUPSStorageError WUPS_GetItem(wups_storage_item parent, const char *key, WUPSStorageItemType type, void *data, uint32_t maxSize, uint32_t *outSize) {
if (__internal_functions.get_item_function_ptr == nullptr) {
return WUPS_STORAGE_ERROR_INVALID_POINTER;
}
return __internal_functions.get_item_function_ptr(__internal_functions.__storageroot_item, parent, key, type, data, maxSize, outSize);
}
WUPSStorageError WUPS_GetString(wups_storage_item parent, const char *key, char *outString, uint32_t maxSize, uint32_t *outSize) {
if (outString == nullptr) {
return WUPS_STORAGE_ERROR_INVALID_ARGS; return WUPS_STORAGE_ERROR_INVALID_ARGS;
} }
if (!parent) { return WUPS_GetItem(parent, key, WUPS_STORAGE_ITEM_STRING, outString, maxSize, outSize);
parent = &rootItem;
} else {
// We can only safely process items of a parent if the parent was the last
// item returned by WUPS_GetSubItem or WUPS_CreateSubItem
if (parent != sActiveSubItem) {
return WUPS_STORAGE_ERROR_NOT_ACTIVE_CATEGORY;
} }
if (parent->type != WUPS_STORAGE_TYPE_ITEM) {
WUPSStorageError WUPS_GetBool(wups_storage_item parent, const char *key, bool *outValue) {
if (outValue == nullptr) {
return WUPS_STORAGE_ERROR_INVALID_ARGS; return WUPS_STORAGE_ERROR_INVALID_ARGS;
} }
return WUPS_GetItem(parent, key, WUPS_STORAGE_ITEM_BOOL, outValue, sizeof(*outValue), nullptr);
} }
isDirty = true; WUPSStorageError WUPS_GetInt(wups_storage_item parent, const char *key, int32_t *outValue) {
if (outValue == nullptr) {
for (uint32_t i = 0; i < parent->data_size; i++) { return WUPS_STORAGE_ERROR_INVALID_ARGS;
wups_storage_item_t *item = &((wups_storage_item_t *) parent->data)[i]; }
return WUPS_GetItem(parent, key, WUPS_STORAGE_ITEM_S32, outValue, sizeof(*outValue), nullptr);
if (item->deleted || item->type == WUPS_STORAGE_TYPE_INVALID) {
continue;
} }
if (strcmp(item->key, key) == 0) { WUPSStorageError WUPS_GetS32(wups_storage_item parent, const char *key, int32_t *outValue) {
free(item->data); if (outValue == nullptr) {
free(item->key); return WUPS_STORAGE_ERROR_INVALID_ARGS;
item->key = nullptr;
item->data = nullptr;
item->deleted = true;
if (sActiveSubItem == item) {
sActiveSubItem = nullptr;
}
return WUPS_STORAGE_ERROR_SUCCESS;
} }
return WUPS_GetItem(parent, key, WUPS_STORAGE_ITEM_S32, outValue, sizeof(*outValue), nullptr);
} }
return WUPS_STORAGE_ERROR_NOT_FOUND; WUPSStorageError WUPS_GetS64(wups_storage_item parent, const char *key, int64_t *outValue) {
if (outValue == nullptr) {
return WUPS_STORAGE_ERROR_INVALID_ARGS;
}
return WUPS_GetItem(parent, key, WUPS_STORAGE_ITEM_S64, outValue, sizeof(*outValue), nullptr);
} }
// int32_t WUPS_GetSize(const char* key) { WUPSStorageError WUPS_GetU32(wups_storage_item parent, const char *key, uint32_t *outValue) {
// if (!storage_initialized) { if (outValue == nullptr) {
// return WUPS_STORAGE_ERROR_NOT_INITIALIZED; return WUPS_STORAGE_ERROR_INVALID_ARGS;
// }
// if (!isOpened) {
// return WUPS_STORAGE_ERROR_NOT_OPENED;
// }
// for (uint32_t i = 0; i < amount_of_items; i++) {
// wups_loader_storage_item_t* item = &items[i];
// if (item->pending_delete || item->type == WUPS_STORAGE_TYPE_INVALID) {
// continue;
// }
// if (strcmp(item->key, key) == 0) {
// return item->data_size;
// }
// }
// return WUPS_STORAGE_ERROR_NOT_FOUND;
// }
static wups_storage_item_t *addItem(wups_storage_item_t *parent, const char *key, wups_storage_type_t type, WUPSStorageError *error) {
wups_storage_item_t *foundItem = nullptr;
// First check for existing item with the same name.
for (uint32_t i = 0; i < parent->data_size; i++) {
wups_storage_item_t *item = &((wups_storage_item_t *) parent->data)[i];
if (item->key && strcmp(item->key, key) == 0) {
free(item->data);
foundItem = item;
break;
} }
return WUPS_GetItem(parent, key, WUPS_STORAGE_ITEM_U32, outValue, sizeof(*outValue), nullptr);
} }
if (!foundItem) { WUPSStorageError WUPS_GetU64(wups_storage_item parent, const char *key, uint64_t *outValue) {
// Then check if there are any deleted item we can override. if (outValue == nullptr) {
for (uint32_t i = 0; i < parent->data_size; i++) { return WUPS_STORAGE_ERROR_INVALID_ARGS;
wups_storage_item_t *item = &((wups_storage_item_t *) parent->data)[i]; }
return WUPS_GetItem(parent, key, WUPS_STORAGE_ITEM_U64, outValue, sizeof(*outValue), nullptr);
if (item->deleted) {
free(item->data);
free(item->key);
item->data = nullptr;
item->key = nullptr;
item->key = strdup(key);
if (item->key == nullptr) {
return nullptr;
} }
foundItem = item; WUPSStorageError WUPS_GetFloat(wups_storage_item parent, const char *key, float *outValue) {
break; if (outValue == nullptr) {
} return WUPS_STORAGE_ERROR_INVALID_ARGS;
} }
return WUPS_GetItem(parent, key, WUPS_STORAGE_ITEM_FLOAT, outValue, sizeof(*outValue), nullptr);
} }
if (!foundItem) { WUPSStorageError WUPS_GetDouble(wups_storage_item parent, const char *key, double *outValue) {
auto *newPtr = (wups_storage_item_t *) realloc(parent->data, (parent->data_size + 1) * sizeof(wups_storage_item_t)); if (outValue == nullptr) {
if (newPtr == nullptr) { return WUPS_STORAGE_ERROR_INVALID_ARGS;
*error = WUPS_STORAGE_ERROR_MALLOC_FAILED;
return nullptr;
}
parent->data = newPtr;
foundItem = &((wups_storage_item_t *) parent->data)[parent->data_size];
memset(foundItem, 0, sizeof(wups_storage_item_t));
foundItem->deleted = true;
parent->data_size += 1;
foundItem->key = strdup(key);
if (foundItem->key == nullptr) {
*error = WUPS_STORAGE_ERROR_MALLOC_FAILED;
return nullptr;
} }
return WUPS_GetItem(parent, key, WUPS_STORAGE_ITEM_DOUBLE, outValue, sizeof(*outValue), nullptr);
} }
foundItem->type = type; WUPSStorageError WUPS_GetBinary(wups_storage_item parent, const char *key, void *outData, uint32_t maxSize, uint32_t *outValue) {
foundItem->deleted = false; if (outData == nullptr) {
foundItem->data = nullptr;
foundItem->data_size = 0;
return foundItem;
}
WUPSStorageError WUPS_CreateSubItem(wups_storage_item_t *parent, const char *key, wups_storage_item_t **outItem) {
if (!storage_initialized) {
return WUPS_STORAGE_ERROR_NOT_INITIALIZED;
}
if (!isOpened) {
return WUPS_STORAGE_ERROR_NOT_OPENED;
}
if (!key || !outItem) {
return WUPS_STORAGE_ERROR_INVALID_ARGS; return WUPS_STORAGE_ERROR_INVALID_ARGS;
} }
if (!parent) { return WUPS_GetItem(parent, key, WUPS_STORAGE_ITEM_BINARY, outData, maxSize, outValue);
parent = &rootItem;
} else {
// We can only safely process items of a parent if the parent was the last
// item returned by WUPS_GetSubItem or WUPS_CreateSubItem
if (parent != sActiveSubItem) {
return WUPS_STORAGE_ERROR_NOT_ACTIVE_CATEGORY;
}
if (parent->type != WUPS_STORAGE_TYPE_ITEM) {
return WUPS_STORAGE_ERROR_INVALID_ARGS;
}
} }
isDirty = true; WUPSStorageError WUPS_GetItemSize(wups_storage_item parent, const char *key, uint32_t *outSize) {
if (outSize == nullptr) {
WUPSStorageError error;
wups_storage_item_t *item = addItem(parent, key, WUPS_STORAGE_TYPE_ITEM, &error);
if (item == nullptr) {
return error;
}
sActiveSubItem = item;
*outItem = item;
return WUPS_STORAGE_ERROR_SUCCESS;
}
WUPSStorageError WUPS_GetSubItem(wups_storage_item_t *parent, const char *key, wups_storage_item_t **outItem) {
if (!storage_initialized) {
return WUPS_STORAGE_ERROR_NOT_INITIALIZED;
}
if (!isOpened) {
return WUPS_STORAGE_ERROR_NOT_OPENED;
}
if (!key || outItem == nullptr) {
return WUPS_STORAGE_ERROR_INVALID_ARGS; return WUPS_STORAGE_ERROR_INVALID_ARGS;
} }
if (!parent) { if (__internal_functions.get_item_size_function_ptr == nullptr) {
parent = &rootItem; return WUPS_STORAGE_ERROR_INVALID_POINTER;
} else {
// We can only safely process items of a parent if the parent was the last
// item returned by WUPS_GetSubItem or WUPS_CreateSubItem
if (parent != sActiveSubItem) {
return WUPS_STORAGE_ERROR_NOT_ACTIVE_CATEGORY;
} }
if (parent->type != WUPS_STORAGE_TYPE_ITEM) { return __internal_functions.get_item_size_function_ptr(__internal_functions.__storageroot_item, parent, key, outSize);
return WUPS_STORAGE_ERROR_INVALID_ARGS;
}
}
for (uint32_t i = 0; i < parent->data_size; i++) {
wups_storage_item_t *item = &((wups_storage_item_t *) parent->data)[i];
if (item->deleted || item->type != WUPS_STORAGE_TYPE_ITEM) {
continue;
}
if (strcmp(item->key, key) == 0) {
sActiveSubItem = item;
*outItem = item;
return WUPS_STORAGE_ERROR_SUCCESS;
}
}
return WUPS_STORAGE_ERROR_NOT_FOUND;
}
WUPSStorageError WUPS_StoreString(wups_storage_item_t *parent, const char *key, const char *string) {
if (!storage_initialized) {
return WUPS_STORAGE_ERROR_NOT_INITIALIZED;
}
if (!isOpened) {
return WUPS_STORAGE_ERROR_NOT_OPENED;
}
if (!key || !string) {
return WUPS_STORAGE_ERROR_INVALID_ARGS;
}
if (!parent) {
parent = &rootItem;
} else {
// We can only safely process items of a parent if the parent was the last
// item returned by WUPS_GetSubItem or WUPS_CreateSubItem
if (parent != sActiveSubItem) {
return WUPS_STORAGE_ERROR_NOT_ACTIVE_CATEGORY;
}
if (parent->type != WUPS_STORAGE_TYPE_ITEM) {
return WUPS_STORAGE_ERROR_INVALID_ARGS;
}
}
isDirty = true;
WUPSStorageError error;
wups_storage_item_t *item = addItem(parent, key, WUPS_STORAGE_TYPE_STRING, &error);
if (item == nullptr) {
return error;
}
uint32_t size = strlen(string) + 1;
item->data = malloc(size);
if (item->data == nullptr) {
item->key = nullptr;
item->deleted = true;
return WUPS_STORAGE_ERROR_MALLOC_FAILED;
}
item->data_size = size;
strcpy((char *) item->data, string);
return WUPS_STORAGE_ERROR_SUCCESS;
}
WUPSStorageError WUPS_StoreBool(wups_storage_item_t *parent, const char *key, bool value) {
return WUPS_StoreInt(parent, key, (int32_t) value);
}
WUPSStorageError WUPS_StoreInt(wups_storage_item_t *parent, const char *key, int32_t value) {
if (!storage_initialized) {
return WUPS_STORAGE_ERROR_NOT_INITIALIZED;
}
if (!isOpened) {
return WUPS_STORAGE_ERROR_NOT_OPENED;
}
if (!key) {
return WUPS_STORAGE_ERROR_INVALID_ARGS;
}
if (!parent) {
parent = &rootItem;
} else {
// We can only safely process items of a parent if the parent was the last
// item returned by WUPS_GetSubItem or WUPS_CreateSubItem
if (parent != sActiveSubItem) {
return WUPS_STORAGE_ERROR_NOT_ACTIVE_CATEGORY;
}
if (parent->type != WUPS_STORAGE_TYPE_ITEM) {
return WUPS_STORAGE_ERROR_INVALID_ARGS;
}
}
isDirty = true;
WUPSStorageError error;
wups_storage_item_t *item = addItem(parent, key, WUPS_STORAGE_TYPE_INT, &error);
if (item == nullptr) {
return error;
}
item->data = malloc(sizeof(int32_t));
if (item->data == nullptr) {
item->key = nullptr;
item->deleted = true;
return WUPS_STORAGE_ERROR_MALLOC_FAILED;
}
item->data_size = sizeof(int32_t);
*(int32_t *) item->data = value;
return WUPS_STORAGE_ERROR_SUCCESS;
}
WUPSStorageError WUPS_StoreBinary(wups_storage_item_t *parent, const char *key, const void *data, uint32_t size) {
if (!storage_initialized) {
return WUPS_STORAGE_ERROR_NOT_INITIALIZED;
}
if (!isOpened) {
return WUPS_STORAGE_ERROR_NOT_OPENED;
}
if (!key || !data || size == 0) {
return WUPS_STORAGE_ERROR_INVALID_ARGS;
}
if (!parent) {
parent = &rootItem;
} else {
// We can only safely process items of a parent if the parent was the last
// item returned by WUPS_GetSubItem or WUPS_CreateSubItem
if (parent != sActiveSubItem) {
return WUPS_STORAGE_ERROR_NOT_ACTIVE_CATEGORY;
}
if (parent->type != WUPS_STORAGE_TYPE_ITEM) {
return WUPS_STORAGE_ERROR_INVALID_ARGS;
}
}
isDirty = true;
WUPSStorageError error;
wups_storage_item_t *item = addItem(parent, key, WUPS_STORAGE_TYPE_STRING, &error);
if (item == nullptr) {
return error;
}
item->data = b64_encode((const uint8_t *) data, size);
if (item->data == nullptr) {
item->key = nullptr;
item->deleted = true;
return WUPS_STORAGE_ERROR_MALLOC_FAILED;
}
item->data_size = strlen((char *) data) + 1;
return WUPS_STORAGE_ERROR_SUCCESS;
}
WUPSStorageError WUPS_GetString(wups_storage_item_t *parent, const char *key, char *outString, uint32_t maxSize) {
if (!storage_initialized) {
return WUPS_STORAGE_ERROR_NOT_INITIALIZED;
}
if (!isOpened) {
return WUPS_STORAGE_ERROR_NOT_OPENED;
}
if (!key || !outString || maxSize == 0) {
return WUPS_STORAGE_ERROR_INVALID_ARGS;
}
if (!parent) {
parent = &rootItem;
} else {
// We can only safely process items of a parent if the parent was the last
// item returned by WUPS_GetSubItem or WUPS_CreateSubItem
if (parent != sActiveSubItem) {
return WUPS_STORAGE_ERROR_NOT_ACTIVE_CATEGORY;
}
if (parent->type != WUPS_STORAGE_TYPE_ITEM) {
return WUPS_STORAGE_ERROR_INVALID_ARGS;
}
}
for (uint32_t i = 0; i < parent->data_size; i++) {
wups_storage_item_t *item = &((wups_storage_item_t *) parent->data)[i];
if (item->deleted || item->type != WUPS_STORAGE_TYPE_STRING) {
continue;
}
if (strcmp(item->key, key) == 0) {
strncpy(outString, (char *) item->data, maxSize);
return WUPS_STORAGE_ERROR_SUCCESS;
}
}
return WUPS_STORAGE_ERROR_NOT_FOUND;
}
WUPSStorageError WUPS_GetBool(wups_storage_item_t *parent, const char *key, bool *outBool) {
int32_t out;
WUPSStorageError result = WUPS_GetInt(parent, key, &out);
if (result != WUPS_STORAGE_ERROR_SUCCESS) {
return result;
}
*outBool = out != 0;
return WUPS_STORAGE_ERROR_SUCCESS;
}
WUPSStorageError WUPS_GetInt(wups_storage_item_t *parent, const char *key, int32_t *outInt) {
if (!storage_initialized) {
return WUPS_STORAGE_ERROR_NOT_INITIALIZED;
}
if (!isOpened) {
return WUPS_STORAGE_ERROR_NOT_OPENED;
}
if (!key || !outInt) {
return WUPS_STORAGE_ERROR_INVALID_ARGS;
}
if (!parent) {
parent = &rootItem;
} else {
// We can only safely process items of a parent if the parent was the last
// item returned by WUPS_GetSubItem or WUPS_CreateSubItem
if (parent != sActiveSubItem) {
return WUPS_STORAGE_ERROR_NOT_ACTIVE_CATEGORY;
}
if (parent->type != WUPS_STORAGE_TYPE_ITEM) {
return WUPS_STORAGE_ERROR_INVALID_ARGS;
}
}
for (uint32_t i = 0; i < parent->data_size; i++) {
wups_storage_item_t *item = &((wups_storage_item_t *) parent->data)[i];
if (item->deleted || item->type != WUPS_STORAGE_TYPE_INT) {
continue;
}
if (strcmp(item->key, key) == 0) {
*outInt = *(int32_t *) item->data;
return WUPS_STORAGE_ERROR_SUCCESS;
}
}
return WUPS_STORAGE_ERROR_NOT_FOUND;
}
WUPSStorageError WUPS_GetBinary(wups_storage_item_t *parent, const char *key, void *outData, uint32_t maxSize) {
if (!storage_initialized) {
return WUPS_STORAGE_ERROR_NOT_INITIALIZED;
}
if (!isOpened) {
return WUPS_STORAGE_ERROR_NOT_OPENED;
}
if (!key || !outData || maxSize == 0) {
return WUPS_STORAGE_ERROR_INVALID_ARGS;
}
if (!parent) {
parent = &rootItem;
} else {
// We can only safely process items of a parent if the parent was the last
// item returned by WUPS_GetSubItem or WUPS_CreateSubItem
if (parent != sActiveSubItem) {
return WUPS_STORAGE_ERROR_NOT_ACTIVE_CATEGORY;
}
if (parent->type != WUPS_STORAGE_TYPE_ITEM) {
return WUPS_STORAGE_ERROR_INVALID_ARGS;
}
}
for (uint32_t i = 0; i < parent->data_size; i++) {
wups_storage_item_t *item = &((wups_storage_item_t *) parent->data)[i];
if (item->deleted || item->type != WUPS_STORAGE_TYPE_STRING) {
continue;
}
if (strcmp(item->key, key) == 0) {
if (b64_decoded_size((char *) item->data) > maxSize) {
return WUPS_STORAGE_ERROR_BUFFER_TOO_SMALL;
}
if (b64_decode((char *) item->data, (uint8_t *) outData, item->data_size)) {
return WUPS_STORAGE_ERROR_SUCCESS;
} else {
return WUPS_STORAGE_ERROR_B64_DECODE_FAILED;
}
}
}
return WUPS_STORAGE_ERROR_NOT_FOUND;
} }

127
libraries/libwups/utils/base64.cpp
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@ -1,127 +0,0 @@
#include "base64.h"
#include <string.h>
static const char b64chars[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
size_t b64_encoded_size(size_t inlen) {
size_t ret;
ret = inlen;
if (inlen % 3 != 0)
ret += 3 - (inlen % 3);
ret /= 3;
ret *= 4;
return ret;
}
char *b64_encode(const uint8_t *in, size_t len) {
char *out;
size_t elen;
size_t i;
size_t j;
size_t v;
if (in == NULL || len == 0)
return NULL;
elen = b64_encoded_size(len);
out = (char *) malloc(elen + 1);
out[elen] = '\0';
for (i = 0, j = 0; i < len; i += 3, j += 4) {
v = in[i];
v = i + 1 < len ? v << 8 | in[i + 1] : v << 8;
v = i + 2 < len ? v << 8 | in[i + 2] : v << 8;
out[j] = b64chars[(v >> 18) & 0x3F];
out[j + 1] = b64chars[(v >> 12) & 0x3F];
if (i + 1 < len) {
out[j + 2] = b64chars[(v >> 6) & 0x3F];
} else {
out[j + 2] = '=';
}
if (i + 2 < len) {
out[j + 3] = b64chars[v & 0x3F];
} else {
out[j + 3] = '=';
}
}
return out;
}
size_t b64_decoded_size(const char *in) {
size_t len;
size_t ret;
size_t i;
if (in == NULL)
return 0;
len = strlen(in);
ret = len / 4 * 3;
for (i = len; i-- > 0;) {
if (in[i] == '=') {
ret--;
} else {
break;
}
}
return ret;
}
static const int b64invs[] = {
62, -1, -1, -1, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1, -1, 0, 1, 2, 3,
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1,
-1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51};
static int b64_isvalidchar(char c) {
if (c >= '0' && c <= '9')
return 1;
if (c >= 'A' && c <= 'Z')
return 1;
if (c >= 'a' && c <= 'z')
return 1;
if (c == '+' || c == '/' || c == '=')
return 1;
return 0;
}
int b64_decode(const char *in, uint8_t *out, size_t outlen) {
size_t len;
size_t i;
size_t j;
int v;
if (in == NULL || out == NULL)
return 0;
len = strlen(in);
if (outlen < b64_decoded_size(in) || len % 4 != 0)
return 0;
for (i = 0; i < len; i++) {
if (!b64_isvalidchar(in[i])) {
return 0;
}
}
for (i = 0, j = 0; i < len; i += 4, j += 3) {
v = b64invs[in[i] - 43];
v = (v << 6) | b64invs[in[i + 1] - 43];
v = in[i + 2] == '=' ? v << 6 : (v << 6) | b64invs[in[i + 2] - 43];
v = in[i + 3] == '=' ? v << 6 : (v << 6) | b64invs[in[i + 3] - 43];
out[j] = (v >> 16) & 0xFF;
if (in[i + 2] != '=')
out[j + 1] = (v >> 8) & 0xFF;
if (in[i + 3] != '=')
out[j + 2] = v & 0xFF;
}
return 1;
}

20
libraries/libwups/utils/base64.h
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@ -1,20 +0,0 @@
#pragma once
#include <stdint.h>
#include <stdlib.h>
// based on https://nachtimwald.com/2017/11/18/base64-encode-and-decode-in-c/
#ifdef __cplusplus
extern "C" {
#endif
size_t b64_encoded_size(size_t inlen);
char *b64_encode(const uint8_t *in, size_t len);
size_t b64_decoded_size(const char *in);
int b64_decode(const char *in, uint8_t *out, size_t outlen);
#ifdef __cplusplus
}
#endif