Exposing some file access results to user layer #1420

src/core.c

@@ -2299,8 +2299,10 @@ unsigned char *DecompressData(unsigned char *compData, int compDataLength, int *
 
 // Save integer value to storage file (to defined position)
 // NOTE: Storage positions is directly related to file memory layout (4 bytes each integer)
-void SaveStorageValue(unsigned int position, int value)
+bool SaveStorageValue(unsigned int position, int value)
 {
+    bool success = false;
+    
 #if defined(SUPPORT_DATA_STORAGE)
     char path[512] = { 0 };
 #if defined(PLATFORM_ANDROID)
@@ -2355,7 +2357,7 @@ void SaveStorageValue(unsigned int position, int value)
             dataPtr[position] = value;
         }
 
-        SaveFileData(path, newFileData, newDataSize);
+        success = SaveFileData(path, newFileData, newDataSize);
         RL_FREE(newFileData);
     }
     else
@@ -2367,10 +2369,12 @@ void SaveStorageValue(unsigned int position, int value)
         int *dataPtr = (int *)fileData;
         dataPtr[position] = value;
 
-        SaveFileData(path, fileData, dataSize);
+        success = SaveFileData(path, fileData, dataSize);
         RL_FREE(fileData);
     }
 #endif
+
+    return success;
 }
 
 // Load integer value from storage file (from defined position)

src/models.c

@@ -823,8 +823,10 @@ void UnloadMesh(Mesh mesh)
 }
 
 // Export mesh data to file
-void ExportMesh(Mesh mesh, const char *fileName)
+bool ExportMesh(Mesh mesh, const char *fileName)
 {
+    bool success = false;
+    
     if (IsFileExtension(fileName, ".obj"))
     {
         // Estimated data size, it should be enough...
@@ -875,7 +877,7 @@ void ExportMesh(Mesh mesh, const char *fileName)
         bytesCount += sprintf(txtData + bytesCount, "\n");
 
         // NOTE: Text data length exported is determined by '\0' (NULL) character
-        SaveFileText(fileName, txtData);
+        success = SaveFileText(fileName, txtData);
 
         RL_FREE(txtData);
     }
@@ -883,6 +885,8 @@ void ExportMesh(Mesh mesh, const char *fileName)
     {
         // TODO: Support additional file formats to export mesh vertex data
     }
+    
+    return success;
 }
 
 // Load materials from model file

src/raudio.c

@@ -386,8 +386,8 @@ static Wave LoadMP3(const unsigned char *fileData, unsigned int fileSize);   //
 #if defined(RAUDIO_STANDALONE)
 static bool IsFileExtension(const char *fileName, const char *ext); // Check file extension
 static unsigned char *LoadFileData(const char *fileName, unsigned int *bytesRead);     // Load file data as byte array (read)
-static void SaveFileData(const char *fileName, void *data, unsigned int bytesToWrite); // Save data to file from byte array (write)
+static bool SaveFileData(const char *fileName, void *data, unsigned int bytesToWrite); // Save data to file from byte array (write)
-static void SaveFileText(const char *fileName, char *text);         // Save text data to file (write), string must be '\0' terminated
+static bool SaveFileText(const char *fileName, char *text);         // Save text data to file (write), string must be '\0' terminated
 #endif
 
 //----------------------------------------------------------------------------------
@@ -812,7 +812,7 @@ void UpdateSound(Sound sound, const void *data, int samplesCount)
 }
 
 // Export wave data to file
-void ExportWave(Wave wave, const char *fileName)
+bool ExportWave(Wave wave, const char *fileName)
 {
     bool success = false;
 
@@ -824,17 +824,20 @@ void ExportWave(Wave wave, const char *fileName)
     {
         // Export raw sample data (without header)
         // NOTE: It's up to the user to track wave parameters
-        SaveFileData(fileName, wave.data, wave.sampleCount*wave.sampleSize/8);
+        success = SaveFileData(fileName, wave.data, wave.sampleCount*wave.sampleSize/8);
-        success = true;
     }
 
     if (success) TRACELOG(LOG_INFO, "FILEIO: [%s] Wave data exported successfully", fileName);
     else TRACELOG(LOG_WARNING, "FILEIO: [%s] Failed to export wave data", fileName);
+    
+    return success;
 }
 
 // Export wave sample data to code (.h)
-void ExportWaveAsCode(Wave wave, const char *fileName)
+bool ExportWaveAsCode(Wave wave, const char *fileName)
 {
+    bool success = false;
+    
 #ifndef TEXT_BYTES_PER_LINE
     #define TEXT_BYTES_PER_LINE     20
 #endif
@@ -878,9 +881,11 @@ void ExportWaveAsCode(Wave wave, const char *fileName)
     bytesCount += sprintf(txtData + bytesCount, "0x%x };\n", ((unsigned char *)wave.data)[waveDataSize - 1]);
 
     // NOTE: Text data length exported is determined by '\0' (NULL) character
-    SaveFileText(fileName, txtData);
+    success = SaveFileText(fileName, txtData);
 
     RL_FREE(txtData);
+    
+    return success;
 }
 
 // Play a sound
@@ -1942,6 +1947,8 @@ static Wave LoadWAV(const unsigned char *fileData, unsigned int fileSize)
 // NOTE: Using dr_wav library
 static int SaveWAV(Wave wave, const char *fileName)
 {
+    int success = false;
+    
     drwav wav = { 0 };
     drwav_data_format format = { 0 };
     format.container = drwav_container_riff;
@@ -1952,14 +1959,15 @@ static int SaveWAV(Wave wave, const char *fileName)
 
     unsigned char *fileData = NULL;
     unsigned int fileDataSize = 0;
-    drwav_init_memory_write(&wav, &fileData, &fileDataSize, &format, NULL);
+    success = drwav_init_memory_write(&wav, &fileData, &fileDataSize, &format, NULL);
-    drwav_write_pcm_frames(&wav, wave.sampleCount/wave.channels, wave.data);
+    if (success) success = drwav_write_pcm_frames(&wav, wave.sampleCount/wave.channels, wave.data);
-    drwav_uninit(&wav);
+    drwav_result result = drwav_uninit(&wav);
-
+    
-    SaveFileData(fileName, fileData, fileDataSize);
+    if (result == DRWAV_SUCCESS) success = SaveFileData(fileName, fileData, fileDataSize);
+    
     drwav_free(fileData, NULL);
 
-    return true;
+    return success;
 }
 #endif
 
@@ -2110,7 +2118,7 @@ static unsigned char *LoadFileData(const char *fileName, unsigned int *bytesRead
 }
 
 // Save data to file from buffer
-static void SaveFileData(const char *fileName, void *data, unsigned int bytesToWrite)
+static bool SaveFileData(const char *fileName, void *data, unsigned int bytesToWrite)
 {
     if (fileName != NULL)
     {
@@ -2132,7 +2140,7 @@ static void SaveFileData(const char *fileName, void *data, unsigned int bytesToW
 }
 
 // Save text data to file (write), string must be '\0' terminated
-static void SaveFileText(const char *fileName, char *text)
+static bool SaveFileText(const char *fileName, char *text)
 {
     if (fileName != NULL)
     {

src/raylib.h

@@ -971,9 +971,9 @@ RLAPI int GetRandomValue(int min, int max);                       // Returns a r
 
 // Files management functions
 RLAPI unsigned char *LoadFileData(const char *fileName, unsigned int *bytesRead);     // Load file data as byte array (read)
-RLAPI void SaveFileData(const char *fileName, void *data, unsigned int bytesToWrite); // Save data to file from byte array (write)
+RLAPI bool SaveFileData(const char *fileName, void *data, unsigned int bytesToWrite); // Save data to file from byte array (write), returns true on success
 RLAPI char *LoadFileText(const char *fileName);                   // Load text data from file (read), returns a '\0' terminated string
-RLAPI void SaveFileText(const char *fileName, char *text);        // Save text data to file (write), string must be '\0' terminated
+RLAPI bool SaveFileText(const char *fileName, char *text);        // Save text data to file (write), string must be '\0' terminated, returns true on success
 RLAPI bool FileExists(const char *fileName);                      // Check if file exists
 RLAPI bool DirectoryExists(const char *dirPath);                  // Check if a directory path exists
 RLAPI bool IsFileExtension(const char *fileName, const char *ext);// Check file extension (including point: .png, .wav)
@@ -995,7 +995,7 @@ RLAPI unsigned char *CompressData(unsigned char *data, int dataLength, int *comp
 RLAPI unsigned char *DecompressData(unsigned char *compData, int compDataLength, int *dataLength);  // Decompress data (DEFLATE algorithm)
 
 // Persistent storage management
-RLAPI void SaveStorageValue(unsigned int position, int value);    // Save integer value to storage file (to defined position)
+RLAPI bool SaveStorageValue(unsigned int position, int value);    // Save integer value to storage file (to defined position)
 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)
@@ -1128,8 +1128,8 @@ RLAPI Image LoadImageRaw(const char *fileName, int width, int height, int format
 RLAPI Image LoadImageAnim(const char *fileName, int *frames);                                            // Load image sequence from file (frames appended to image.data)
 RLAPI Image LoadImageFromMemory(const char *fileType, const unsigned char *fileData, int dataSize);      // Load image from memory buffer, fileType refers to extension: i.e. "png"
 RLAPI void UnloadImage(Image image);                                                                     // Unload image from CPU memory (RAM)
-RLAPI void ExportImage(Image image, const char *fileName);                                               // Export image data to file
+RLAPI bool ExportImage(Image image, const char *fileName);                                               // Export image data to file, returns true on success
-RLAPI void ExportImageAsCode(Image image, const char *fileName);                                         // Export image as code file defining an array of bytes
+RLAPI bool ExportImageAsCode(Image image, const char *fileName);                                         // Export image as code file defining an array of bytes
 
 // Image generation functions
 RLAPI Image GenImageColor(int width, int height, Color color);                                           // Generate image: plain color
@@ -1322,8 +1322,8 @@ RLAPI void UnloadModel(Model model);
 
 // Mesh loading/unloading functions
 RLAPI Mesh *LoadMeshes(const char *fileName, int *meshCount);                                           // Load meshes from model file
-RLAPI void ExportMesh(Mesh mesh, const char *fileName);                                                 // Export mesh data to file
 RLAPI void UnloadMesh(Mesh mesh);                                                                       // Unload mesh from memory (RAM and/or VRAM)
+RLAPI bool ExportMesh(Mesh mesh, const char *fileName);                                                 // Export mesh data to file
 
 // Material loading/unloading functions
 RLAPI Material *LoadMaterials(const char *fileName, int *materialCount);                                // Load materials from model file
@@ -1445,8 +1445,8 @@ RLAPI Sound LoadSoundFromWave(Wave wave);                             // Load so
 RLAPI void UpdateSound(Sound sound, const void *data, int samplesCount);// Update sound buffer with new data
 RLAPI void UnloadWave(Wave wave);                                     // Unload wave data
 RLAPI void UnloadSound(Sound sound);                                  // Unload sound
-RLAPI void ExportWave(Wave wave, const char *fileName);               // Export wave data to file
+RLAPI bool ExportWave(Wave wave, const char *fileName);               // Export wave data to file
-RLAPI void ExportWaveAsCode(Wave wave, const char *fileName);         // Export wave sample data to code (.h)
+RLAPI bool ExportWaveAsCode(Wave wave, const char *fileName);         // Export wave sample data to code (.h)
 
 // Wave/Sound management functions
 RLAPI void PlaySound(Sound sound);                                    // Play a sound

src/textures.c

@@ -395,7 +395,7 @@ void UnloadImage(Image image)
 
 // Export image data to file
 // NOTE: File format depends on fileName extension
-void ExportImage(Image image, const char *fileName)
+bool ExportImage(Image image, const char *fileName)
 {
     int success = 0;
 
@@ -436,8 +436,7 @@ void ExportImage(Image image, const char *fileName)
     {
         // Export raw pixel data (without header)
         // NOTE: It's up to the user to track image parameters
-        SaveFileData(fileName, image.data, GetPixelDataSize(image.width, image.height, image.format));
+        success = SaveFileData(fileName, image.data, GetPixelDataSize(image.width, image.height, image.format));
-        success = true;
     }
 
     if (allocatedData) RL_FREE(imgData);
@@ -445,11 +444,15 @@ void ExportImage(Image image, const char *fileName)
 
     if (success != 0) TRACELOG(LOG_INFO, "FILEIO: [%s] Image exported successfully", fileName);
     else TRACELOG(LOG_WARNING, "FILEIO: [%s] Failed to export image", fileName);
+    
+    return success;
 }
 
 // Export image as code file (.h) defining an array of bytes
-void ExportImageAsCode(Image image, const char *fileName)
+bool ExportImageAsCode(Image image, const char *fileName)
 {
+    bool success = false;
+    
 #ifndef TEXT_BYTES_PER_LINE
     #define TEXT_BYTES_PER_LINE     20
 #endif
@@ -488,9 +491,11 @@ void ExportImageAsCode(Image image, const char *fileName)
     bytesCount += sprintf(txtData + bytesCount, "0x%x };\n", ((unsigned char *)image.data)[dataSize - 1]);
 
     // NOTE: Text data length exported is determined by '\0' (NULL) character
-    SaveFileText(fileName, txtData);
+    success = SaveFileText(fileName, txtData);
 
     RL_FREE(txtData);
+    
+    return success;
 }
 
 //------------------------------------------------------------------------------------
@@ -4230,12 +4235,12 @@ static int SaveKTX(Image image, const char *fileName)
         }
     }
 
-    SaveFileData(fileName, fileData, dataSize);
+    int success = SaveFileData(fileName, fileData, dataSize);
 
     RL_FREE(fileData);    // Free file data buffer
 
     // If all data has been written correctly to file, success = 1
-    return true;
+    return success;
 }
 #endif
 

src/utils.c

@@ -204,8 +204,10 @@ unsigned char *LoadFileData(const char *fileName, unsigned int *bytesRead)
 }
 
 // Save data to file from buffer
-void SaveFileData(const char *fileName, void *data, unsigned int bytesToWrite)
+bool SaveFileData(const char *fileName, void *data, unsigned int bytesToWrite)
 {
+    bool success = false;
+    
     if (fileName != NULL)
     {
         FILE *file = fopen(fileName, "wb");
@@ -218,11 +220,14 @@ void SaveFileData(const char *fileName, void *data, unsigned int bytesToWrite)
             else if (count != bytesToWrite) TRACELOG(LOG_WARNING, "FILEIO: [%s] File partially written", fileName);
             else TRACELOG(LOG_INFO, "FILEIO: [%s] File saved successfully", fileName);
 
-            fclose(file);
+            int result = fclose(file);
+            if (result == 0) success = true;
         }
         else TRACELOG(LOG_WARNING, "FILEIO: [%s] Failed to open file", fileName);
     }
     else TRACELOG(LOG_WARNING, "FILEIO: File name provided is not valid");
+    
+    return success;
 }
 
 // Load text data from file, returns a '\0' terminated string
@@ -270,8 +275,10 @@ char *LoadFileText(const char *fileName)
 }
 
 // Save text data to file (write), string must be '\0' terminated
-void SaveFileText(const char *fileName, char *text)
+bool SaveFileText(const char *fileName, char *text)
 {
+    bool success = false;
+    
     if (fileName != NULL)
     {
         FILE *file = fopen(fileName, "wt");
@@ -283,11 +290,14 @@ void SaveFileText(const char *fileName, char *text)
             if (count < 0) TRACELOG(LOG_WARNING, "FILEIO: [%s] Failed to write text file", fileName);
             else TRACELOG(LOG_INFO, "FILEIO: [%s] Text file saved successfully", fileName);
 
-            fclose(file);
+            int result = fclose(file);
+            if (result == 0) success = true;
         }
         else TRACELOG(LOG_WARNING, "FILEIO: [%s] Failed to open text file", fileName);
     }
     else TRACELOG(LOG_WARNING, "FILEIO: File name provided is not valid");
+    
+    return success;
 }
 
 #if defined(PLATFORM_ANDROID)