WARNING: BREAKING: REMOVED: *StorageValue() functions

Those functions were platform dependent and user has no control over the file created. They have been removed from raylib and just moved to `core_storage_values` example.

CMakeOptions.txt

@@ -45,7 +45,6 @@ cmake_dependent_option(SUPPORT_GIF_RECORDING "Allow automatic gif recording of c
 cmake_dependent_option(SUPPORT_BUSY_WAIT_LOOP "Use busy wait loop for timing sync instead of a high-resolution timer" OFF CUSTOMIZE_BUILD OFF)
 cmake_dependent_option(SUPPORT_EVENTS_WAITING "Wait for events passively (sleeping while no events) instead of polling them actively every frame" OFF CUSTOMIZE_BUILD OFF)
 cmake_dependent_option(SUPPORT_WINMM_HIGHRES_TIMER "Setting a higher resolution can improve the accuracy of time-out intervals in wait functions" OFF CUSTOMIZE_BUILD OFF)
-cmake_dependent_option(SUPPORT_DATA_STORAGE "Support for persistent data storage" ON CUSTOMIZE_BUILD ON)
 cmake_dependent_option(SUPPORT_COMPRESSION_API "Support for compression API" ON CUSTOMIZE_BUILD ON)
 
 # rshapes.c

cmake/CompileDefinitions.cmake

@@ -27,7 +27,6 @@ if (${CUSTOMIZE_BUILD})
     define_if("raylib" SUPPORT_BUSY_WAIT_LOOP)
     define_if("raylib" SUPPORT_EVENTS_WAITING)
     define_if("raylib" SUPPORT_WINMM_HIGHRES_TIMER)
-    define_if("raylib" SUPPORT_DATA_STORAGE)
     define_if("raylib" SUPPORT_COMPRESSION_API)
     define_if("raylib" SUPPORT_QUADS_DRAW_MODE)
     define_if("raylib" SUPPORT_IMAGE_EXPORT)

examples/core/core_storage_values.c

@@ -11,12 +11,20 @@
 
 #include "raylib.h"
 
+#include <stdlib.h>         // Required for: calloc(), free()
+
+#define STORAGE_DATA_FILE   "storage.data"   // Storage file
+
 // NOTE: Storage positions must start with 0, directly related to file memory layout
 typedef enum {
     STORAGE_POSITION_SCORE      = 0,
     STORAGE_POSITION_HISCORE    = 1
 } StorageData;
 
+// Persistent storage functions
+static bool SaveStorageValue(unsigned int position, int value);
+static int LoadStorageValue(unsigned int position);
+
 //------------------------------------------------------------------------------------
 // Program main entry point
 //------------------------------------------------------------------------------------
@@ -87,4 +95,97 @@ int main(void)
     //--------------------------------------------------------------------------------------
 
     return 0;
+}
+
+// Save integer value to storage file (to defined position)
+// NOTE: Storage positions is directly related to file memory layout (4 bytes each integer)
+bool SaveStorageValue(unsigned int position, int value)
+{
+    bool success = false;
+    unsigned int dataSize = 0;
+    unsigned int newDataSize = 0;
+    unsigned char *fileData = LoadFileData(STORAGE_DATA_FILE, &dataSize);
+    unsigned char *newFileData = NULL;
+
+    if (fileData != NULL)
+    {
+        if (dataSize <= (position*sizeof(int)))
+        {
+            // Increase data size up to position and store value
+            newDataSize = (position + 1)*sizeof(int);
+            newFileData = (unsigned char *)RL_REALLOC(fileData, newDataSize);
+
+            if (newFileData != NULL)
+            {
+                // RL_REALLOC succeded
+                int *dataPtr = (int *)newFileData;
+                dataPtr[position] = value;
+            }
+            else
+            {
+                // RL_REALLOC failed
+                TraceLog(LOG_WARNING, "FILEIO: [%s] Failed to realloc data (%u), position in bytes (%u) bigger than actual file size", STORAGE_DATA_FILE, dataSize, position*sizeof(int));
+
+                // We store the old size of the file
+                newFileData = fileData;
+                newDataSize = dataSize;
+            }
+        }
+        else
+        {
+            // Store the old size of the file
+            newFileData = fileData;
+            newDataSize = dataSize;
+
+            // Replace value on selected position
+            int *dataPtr = (int *)newFileData;
+            dataPtr[position] = value;
+        }
+
+        success = SaveFileData(STORAGE_DATA_FILE, newFileData, newDataSize);
+        RL_FREE(newFileData);
+
+        TraceLog(LOG_INFO, "FILEIO: [%s] Saved storage value: %i", STORAGE_DATA_FILE, value);
+    }
+    else
+    {
+        TraceLog(LOG_INFO, "FILEIO: [%s] File created successfully", STORAGE_DATA_FILE);
+
+        dataSize = (position + 1)*sizeof(int);
+        fileData = (unsigned char *)RL_MALLOC(dataSize);
+        int *dataPtr = (int *)fileData;
+        dataPtr[position] = value;
+
+        success = SaveFileData(STORAGE_DATA_FILE, fileData, dataSize);
+        UnloadFileData(fileData);
+
+        TraceLog(LOG_INFO, "FILEIO: [%s] Saved storage value: %i", STORAGE_DATA_FILE, value);
+    }
+
+    return success;
+}
+
+// Load integer value from storage file (from defined position)
+// NOTE: If requested position could not be found, value 0 is returned
+int LoadStorageValue(unsigned int position)
+{
+    int value = 0;
+    unsigned int dataSize = 0;
+    unsigned char *fileData = LoadFileData(STORAGE_DATA_FILE, &dataSize);
+
+    if (fileData != NULL)
+    {
+        if (dataSize < (position*4)) TraceLog(LOG_WARNING, "FILEIO: [%s] Failed to find storage position: %i", STORAGE_DATA_FILE, position);
+        else
+        {
+            int *dataPtr = (int *)fileData;
+            value = dataPtr[position];
+        }
+
+        UnloadFileData(fileData);
+
+        TraceLog(LOG_INFO, "FILEIO: [%s] Loaded storage value: %i", STORAGE_DATA_FILE, value);
+    }
+
+    return value;
 }

src/config.h

@@ -63,8 +63,6 @@
 #define SUPPORT_GIF_RECORDING       1
 // Support CompressData() and DecompressData() functions
 #define SUPPORT_COMPRESSION_API     1
-// Support saving binary data automatically to a generated storage.data file. This file is managed internally.
-#define SUPPORT_DATA_STORAGE        1
 // Support automatic generated events, loading and recording of those events when required
 //#define SUPPORT_EVENTS_AUTOMATION     1
 // Support custom frame control, only for advance users

src/raylib.h

@@ -1081,10 +1081,6 @@ RLAPI unsigned char *DecompressData(const unsigned char *compData, int compDataS
 RLAPI char *EncodeDataBase64(const unsigned char *data, int dataSize, int *outputSize);               // Encode data to Base64 string, memory must be MemFree()
 RLAPI unsigned char *DecodeDataBase64(const unsigned char *data, int *outputSize);                    // Decode Base64 string data, memory must be MemFree()
 
-// Persistent storage management
-RLAPI bool SaveStorageValue(unsigned int position, int value);    // Save integer value to storage file (to defined position), returns true on success
-RLAPI int LoadStorageValue(unsigned int position);                // Load integer value from storage file (from defined position)
-
 RLAPI void OpenURL(const char *url);                              // Open URL with default system browser (if available)
 
 //------------------------------------------------------------------------------------

src/rcore.c

@@ -80,9 +80,6 @@
 *       provided by stb_image and stb_image_write libraries, so, those libraries must be enabled on textures module
 *       for linkage
 *
-*   #define SUPPORT_DATA_STORAGE
-*       Support saving binary data automatically to a generated storage.data file. This file is managed internally
-*
 *   #define SUPPORT_EVENTS_AUTOMATION
 *       Support automatic generated events, loading and recording of those events when required
 *
@@ -332,12 +329,6 @@
     #define MAX_CHAR_PRESSED_QUEUE        16        // Maximum number of characters in the char input queue
 #endif
 
-#if defined(SUPPORT_DATA_STORAGE)
-    #ifndef STORAGE_DATA_FILE
-        #define STORAGE_DATA_FILE  "storage.data"   // Automatic storage filename
-    #endif
-#endif
-
 #ifndef MAX_DECOMPRESSION_SIZE
     #define MAX_DECOMPRESSION_SIZE        64        // Maximum size allocated for decompression in MB
 #endif
@@ -3398,110 +3389,6 @@ unsigned char *DecodeDataBase64(const unsigned char *data, int *outputSize)
     return decodedData;
 }
 
-// Save integer value to storage file (to defined position)
-// NOTE: Storage positions is directly related to file memory layout (4 bytes each integer)
-bool SaveStorageValue(unsigned int position, int value)
-{
-    bool success = false;
-
-#if defined(SUPPORT_DATA_STORAGE)
-    char path[512] = { 0 };
-    strcpy(path, TextFormat("%s/%s", CORE.Storage.basePath, STORAGE_DATA_FILE));
-
-    unsigned int dataSize = 0;
-    unsigned int newDataSize = 0;
-    unsigned char *fileData = LoadFileData(path, &dataSize);
-    unsigned char *newFileData = NULL;
-
-    if (fileData != NULL)
-    {
-        if (dataSize <= (position*sizeof(int)))
-        {
-            // Increase data size up to position and store value
-            newDataSize = (position + 1)*sizeof(int);
-            newFileData = (unsigned char *)RL_REALLOC(fileData, newDataSize);
-
-            if (newFileData != NULL)
-            {
-                // RL_REALLOC succeded
-                int *dataPtr = (int *)newFileData;
-                dataPtr[position] = value;
-            }
-            else
-            {
-                // RL_REALLOC failed
-                TRACELOG(LOG_WARNING, "FILEIO: [%s] Failed to realloc data (%u), position in bytes (%u) bigger than actual file size", path, dataSize, position*sizeof(int));
-
-                // We store the old size of the file
-                newFileData = fileData;
-                newDataSize = dataSize;
-            }
-        }
-        else
-        {
-            // Store the old size of the file
-            newFileData = fileData;
-            newDataSize = dataSize;
-
-            // Replace value on selected position
-            int *dataPtr = (int *)newFileData;
-            dataPtr[position] = value;
-        }
-
-        success = SaveFileData(path, newFileData, newDataSize);
-        RL_FREE(newFileData);
-
-        TRACELOG(LOG_INFO, "FILEIO: [%s] Saved storage value: %i", path, value);
-    }
-    else
-    {
-        TRACELOG(LOG_INFO, "FILEIO: [%s] File created successfully", path);
-
-        dataSize = (position + 1)*sizeof(int);
-        fileData = (unsigned char *)RL_MALLOC(dataSize);
-        int *dataPtr = (int *)fileData;
-        dataPtr[position] = value;
-
-        success = SaveFileData(path, fileData, dataSize);
-        UnloadFileData(fileData);
-
-        TRACELOG(LOG_INFO, "FILEIO: [%s] Saved storage value: %i", path, value);
-    }
-#endif
-
-    return success;
-}
-
-// Load integer value from storage file (from defined position)
-// NOTE: If requested position could not be found, value 0 is returned
-int LoadStorageValue(unsigned int position)
-{
-    int value = 0;
-
-#if defined(SUPPORT_DATA_STORAGE)
-    char path[512] = { 0 };
-    strcpy(path, TextFormat("%s/%s", CORE.Storage.basePath, STORAGE_DATA_FILE));
-
-    unsigned int dataSize = 0;
-    unsigned char *fileData = LoadFileData(path, &dataSize);
-
-    if (fileData != NULL)
-    {
-        if (dataSize < (position*4)) TRACELOG(LOG_WARNING, "FILEIO: [%s] Failed to find storage position: %i", path, position);
-        else
-        {
-            int *dataPtr = (int *)fileData;
-            value = dataPtr[position];
-        }
-
-        UnloadFileData(fileData);
-
-        TRACELOG(LOG_INFO, "FILEIO: [%s] Loaded storage value: %i", path, value);
-    }
-#endif
-    return value;
-}
-
 // Open URL with default system browser (if available)
 // NOTE: This function is only safe to use if you control the URL given.
 // A user could craft a malicious string performing another action.