Added required library

REVIEWED: `GenImageColor()`, `ImageRotate()`

src/external/tinyobj_loader_c.h

@@ -1020,7 +1020,12 @@ static int parseLine(Command *command, const char *p, unsigned int p_len,
                      int triangulate) {
   char linebuf[4096];
   const char *token;
-  assert(p_len < 4095);
+  
+  // @raysan5: 
+  // WARNING: If -DNDEBUG is set when compiling, assertions will not 
+  // be present in the compiled binary, replacing by a runtime check
+  //assert(p_len < 4095);
+  if (p_len > 4095) return 0;
 
   memcpy(linebuf, p, p_len);
   linebuf[p_len] = '\0';
@@ -1102,8 +1107,12 @@ static int parseLine(Command *command, const char *p, unsigned int p_len,
       tinyobj_vertex_index_t i1;
       tinyobj_vertex_index_t i2 = f[1];
 
-      assert(3 * num_f < TINYOBJ_MAX_FACES_PER_F_LINE);
-
+      // @raysan5: 
+      // WARNING: If -DNDEBUG is set when compiling, assertions will not 
+      // be present in the compiled binary, replacing by a runtime check
+      //assert(3 * num_f < TINYOBJ_MAX_FACES_PER_F_LINE);
+      if (3*num_f > TINYOBJ_MAX_FACES_PER_F_LINE) return 0;
+      
       for (k = 2; k < num_f; k++) {
         i1 = i2;
         i2 = f[k];
@@ -1119,7 +1128,13 @@ static int parseLine(Command *command, const char *p, unsigned int p_len,
 
     } else {
       unsigned int k = 0;
-      assert(num_f < TINYOBJ_MAX_FACES_PER_F_LINE);
+      
+      // @raysan5: 
+      // WARNING: If -DNDEBUG is set when compiling, assertions will not 
+      // be present in the compiled binary, replacing by a runtime check
+      //assert(num_f < TINYOBJ_MAX_FACES_PER_F_LINE);
+      if (num_f > TINYOBJ_MAX_FACES_PER_F_LINE) return 0;     
+      
       for (k = 0; k < num_f; k++) {
         command->f[k] = f[k];
       }

src/rcore.c

@@ -3601,10 +3601,14 @@ AutomationEventList LoadAutomationEventList(const char *fileName)
                     case 'c': sscanf(buffer, "c %i", &list.count); break;
                     case 'e':
                     {
-                        sscanf(buffer, "e %d %d %d %d %d %d %[^\n]s", &list.events[counter].frame, &list.events[counter].type,
-                               &list.events[counter].params[0], &list.events[counter].params[1], &list.events[counter].params[2], &list.events[counter].params[3], eventDesc);
+                        if (counter < list.capacity)
+                        {
+                            sscanf(buffer, "e %d %d %d %d %d %d %63[^\n]s", &list.events[counter].frame, &list.events[counter].type,
+                                   &list.events[counter].params[0], &list.events[counter].params[1], &list.events[counter].params[2], &list.events[counter].params[3], eventDesc);
 
-                        counter++;
+                            counter++;
+                        }
+                        else TRACELOG(LOG_WARNING, "AUTOMATION: Event goes beyond automated list capacity (MAX: %i): %s", buffer, list.capacity);
                     } break;
                     default: break;
                 }

src/rlgl.h

@@ -847,11 +847,11 @@ RLAPI void rlLoadDrawQuad(void);     // Load and draw a quad
         #define SW_CALLOC(n,sz) RL_CALLOC(n, sz)
         #define SW_REALLOC(ptr, newSz) RL_REALLOC(ptr, newSz)
         #define SW_FREE(ptr) RL_FREE(ptr)
-        #include "external/rlsw.h"          // OpenGL 1.1 software implementation
+        #include "external/rlsw.h"      // OpenGL 1.1 software implementation
     #else
         #if defined(__APPLE__)
-            #include <OpenGL/gl.h>          // OpenGL 1.1 library for OSX
-            #include <OpenGL/glext.h>       // OpenGL extensions library
+            #include <OpenGL/gl.h>      // OpenGL 1.1 library for OSX
+            #include <OpenGL/glext.h>   // OpenGL extensions library
         #else
             // APIENTRY for OpenGL function pointer declarations is required
             #if !defined(APIENTRY)
@@ -866,7 +866,7 @@ RLAPI void rlLoadDrawQuad(void);     // Load and draw a quad
                 #define WINGDIAPI __declspec(dllimport)
             #endif
 
-            #include <GL/gl.h>              // OpenGL 1.1 library
+            #include <GL/gl.h>          // OpenGL 1.1 library
         #endif
     #endif
 #endif
@@ -907,9 +907,10 @@ RLAPI void rlLoadDrawQuad(void);     // Load and draw a quad
     #endif
 #endif
 
-#include <stdlib.h>                     // Required for: calloc(), free()
-#include <string.h>                     // Required for: strcmp(), strlen() [Used in rlglInit(), on extensions loading]
-#include <math.h>                       // Required for: sqrtf(), sinf(), cosf(), floor(), log()
+#include <stdlib.h>             // Required for: calloc(), free()
+#include <string.h>             // Required for: strcmp(), strlen() [Used in rlglInit(), on extensions loading]
+#include <math.h>               // Required for: sqrtf(), sinf(), cosf(), floor(), log()
+#include <limits.h>             // Required for: INT_MAX
 
 //----------------------------------------------------------------------------------
 // Defines and Macros
@@ -5236,7 +5237,9 @@ static int rlGetPixelDataSize(int width, int height, int format)
         {
             int blockWidth = (width + 3)/4;
             int blockHeight = (height + 3)/4;
-            dataSize = blockWidth*blockHeight*8;
+            unsigned long long dataSizeBytes = blockWidth*blockHeight*8;
+            if (dataSizeBytes < INT_MAX) dataSize = (int)dataSizeBytes;
+            
         } break;
         case RL_PIXELFORMAT_COMPRESSED_DXT3_RGBA:
         case RL_PIXELFORMAT_COMPRESSED_DXT5_RGBA:
@@ -5245,13 +5248,17 @@ static int rlGetPixelDataSize(int width, int height, int format)
         {
             int blockWidth = (width + 3)/4;
             int blockHeight = (height + 3)/4;
-            dataSize = blockWidth*blockHeight*16;
+            unsigned long long dataSizeBytes = blockWidth*blockHeight*16;
+            if (dataSizeBytes < INT_MAX) dataSize = (int)dataSizeBytes;
+            
         } break;
         case RL_PIXELFORMAT_COMPRESSED_ASTC_8x8_RGBA: // 4 bytes per each 4x4 block
         {
             int blockWidth = (width + 3)/4;
             int blockHeight = (height + 3)/4;
-            dataSize = blockWidth*blockHeight*4;
+            unsigned long long dataSizeBytes = blockWidth*blockHeight*4;
+            if (dataSizeBytes < INT_MAX) dataSize = (int)dataSizeBytes;
+            
         } break;
         default: break;
     }
@@ -5260,9 +5267,11 @@ static int rlGetPixelDataSize(int width, int height, int format)
     if ((format >= RL_PIXELFORMAT_UNCOMPRESSED_GRAYSCALE) &&
         (format <= RL_PIXELFORMAT_UNCOMPRESSED_R16G16B16A16))
     {
-        double bytesPerPixel = (double)bpp/8.0;
-        dataSize = (int)(bytesPerPixel*width*height); // Total data size in bytes
+        unsigned long long dataSizeBytes = (width*height*bpp) >> 3;  // Get size in bytes (dividing by 8)
+        if (dataSizeBytes < INT_MAX) dataSize = (int)dataSizeBytes;
     }
+    
+    if (dataSize == 0) TRACELOG(LOG_WARNING, "Requested image size is larger than 2GB, it can not be allocated");
 
     return dataSize;
 }

src/rmodels.c

@@ -2320,7 +2320,7 @@ void UpdateModelAnimation(Model model, ModelAnimation anim, float frame)
         Matrix currentPoseMatrix = { 0 };
 
         // Update all bones and bone matrices of model
-        for (int boneIndex = 0; boneIndex < model.skeleton.boneCount; boneIndex++)
+        for (unsigned int boneIndex = 0; boneIndex < model.skeleton.boneCount; boneIndex++)
         {
             // Compute interpolated pose between current and next frame
             // NOTE: Storing animation frame data in model.currentPose
@@ -2390,7 +2390,7 @@ void UpdateModelAnimationEx(Model model, ModelAnimation animA, float frameA, Mod
         Matrix bindPoseMatrix = { 0 };
         Matrix currentPoseMatrix = { 0 };
 
-        for (int boneIndex = 0; boneIndex < model.skeleton.boneCount; boneIndex++)
+        for (unsigned int boneIndex = 0; boneIndex < model.skeleton.boneCount; boneIndex++)
         {
             // Get frame-interpolation for first animation
             Vector3 frameATranslation = Vector3Lerp(
@@ -5013,7 +5013,7 @@ static Model LoadIQM(const char *fileName)
     // Initialize runtime animation data: current pose and bone matrices
     model.currentPose = (Transform *)RL_CALLOC(model.skeleton.boneCount, sizeof(Transform));
     model.boneMatrices = (Matrix *)RL_CALLOC(model.skeleton.boneCount, sizeof(Matrix));
-    for (int j = 0; j < model.skeleton.boneCount; j++) model.boneMatrices[j] = MatrixIdentity();
+    for (unsigned int j = 0; j < model.skeleton.boneCount; j++) model.boneMatrices[j] = MatrixIdentity();
 
     UnloadFileData(fileData);
 
@@ -5241,7 +5241,7 @@ static ModelAnimation *LoadModelAnimationsIQM(const char *fileName, int *animCou
         // Build frameposes
         for (unsigned int frame = 0; frame < anim[a].num_frames; frame++)
         {
-            for (int i = 0; i < animations[a].boneCount; i++)
+            for (unsigned int i = 0; i < animations[a].boneCount; i++)
             {
                 if (bones[i].parent >= 0)
                 {
@@ -5371,7 +5371,7 @@ static Image LoadImageFromCgltfImage(cgltf_image *cgltfImage, const char *texPat
 // Load bone info from GLTF skin data
 static BoneInfo *LoadBoneInfoGLTF(cgltf_skin skin, unsigned int *boneCount)
 {
-    *boneCount = skin.joints_count;
+    *boneCount = (unsigned int)skin.joints_count;
     BoneInfo *bones = (BoneInfo *)RL_CALLOC(skin.joints_count, sizeof(BoneInfo));
 
     for (unsigned int i = 0; i < skin.joints_count; i++)
@@ -6144,7 +6144,7 @@ static Model LoadGLTF(const char *fileName)
             model.skeleton.bones = LoadBoneInfoGLTF(skin, &model.skeleton.boneCount);
             model.skeleton.bindPose = (Transform *)RL_CALLOC(model.skeleton.boneCount, sizeof(Transform));
 
-            for (int i = 0; i < model.skeleton.boneCount; i++)
+            for (unsigned int i = 0; i < model.skeleton.boneCount; i++)
             {
                 Matrix bindMatrix = { 0 };
                 cgltf_float inverseBindTransform[16] = { 0 };
@@ -6309,7 +6309,7 @@ static Model LoadGLTF(const char *fileName)
                 if ((data->skins_count > 0) && !hasJoints && (node->parent != NULL) && (node->parent->mesh == NULL))
                 {
                     int parentBoneId = -1;
-                    for (int joint = 0; joint < model.skeleton.boneCount; joint++)
+                    for (unsigned int joint = 0; joint < model.skeleton.boneCount; joint++)
                     {
                         if (data->skins[0].joints[joint] == node->parent)
                         {
@@ -6347,7 +6347,7 @@ static Model LoadGLTF(const char *fileName)
         // Initialize runtime animation data: current pose and bone matrices
         model.currentPose = (Transform *)RL_CALLOC(model.skeleton.boneCount, sizeof(Transform));
         model.boneMatrices = (Matrix *)RL_CALLOC(model.skeleton.boneCount, sizeof(Matrix));
-        for (int j = 0; j < model.skeleton.boneCount; j++) model.boneMatrices[j] = MatrixIdentity();
+        for (unsigned int j = 0; j < model.skeleton.boneCount; j++) model.boneMatrices[j] = MatrixIdentity();
         //----------------------------------------------------------------------------------------------------
 
         // Free unused allocated memory in case of no bones defined
@@ -6670,7 +6670,7 @@ static ModelAnimation *LoadModelAnimationsGLTF(const char *fileName, int *animCo
                     animations[a].keyframePoses[j] = (Transform *)RL_CALLOC(animations[a].boneCount, sizeof(Transform));
                     float time = (float)j / GLTF_FRAMERATE;
 
-                    for (int k = 0; k < animations[a].boneCount; k++)
+                    for (unsigned int k = 0; k < animations[a].boneCount; k++)
                     {
                         Vector3 translation = {skin.joints[k]->translation[0], skin.joints[k]->translation[1], skin.joints[k]->translation[2]};
                         Quaternion rotation = {skin.joints[k]->rotation[0], skin.joints[k]->rotation[1], skin.joints[k]->rotation[2], skin.joints[k]->rotation[3]};
@@ -7204,7 +7204,7 @@ static Model LoadM3D(const char *fileName)
             // Initialize runtime animation data: current pose and bone matrices
             model.currentPose = (Transform *)RL_CALLOC(model.skeleton.boneCount, sizeof(Transform));
             model.boneMatrices = (Matrix *)RL_CALLOC(model.skeleton.boneCount, sizeof(Matrix));
-            for (int j = 0; j < model.skeleton.boneCount; j++) model.boneMatrices[j] = MatrixIdentity();
+            for (unsigned int j = 0; j < model.skeleton.boneCount; j++) model.boneMatrices[j] = MatrixIdentity();
         }
 
         m3d_free(m3d);

src/rtext.c

@@ -1699,7 +1699,7 @@ const char *TextSubtext(const char *text, int position, int length)
     static char buffer[MAX_TEXT_BUFFER_LENGTH] = { 0 };
     memset(buffer, 0, MAX_TEXT_BUFFER_LENGTH);
 
-    if (text != NULL)
+    if ((text != NULL) && (position > 0) && (length > 0))
     {
         int textLength = TextLength(text);
 
@@ -1975,10 +1975,11 @@ char *TextInsert(const char *text, const char *insert, int position)
 {
     static char buffer[MAX_TEXT_BUFFER_LENGTH] = { 0 };
     memset(buffer, 0, MAX_TEXT_BUFFER_LENGTH);
+    int textLen = TextLength(text);
 
-    if ((text != NULL) && (insert != NULL))
+    if ((text != NULL) && (insert != NULL) && (position >= 0))
     {
-        int textLen = TextLength(text);
+        if (position > textLen) position = textLen; // End of text string
         int insertLen = TextLength(insert);
 
         if ((textLen + insertLen) < (MAX_TEXT_BUFFER_LENGTH - 1))
@@ -1987,7 +1988,7 @@ char *TextInsert(const char *text, const char *insert, int position)
 
             for (int i = 0; i < position; i++) buffer[i] = text[i];
             for (int i = position; i < insertLen + position; i++) buffer[i] = insert[i - position];
-            for (int i = (insertLen + position); i < (textLen + insertLen); i++) buffer[i] = text[i];
+            for (int i = (insertLen + position); i < (textLen + insertLen); i++) buffer[i] = text[i - insertLen];
 
             buffer[textLen + insertLen] = '\0'; // Add EOL
         }
@@ -2002,17 +2003,18 @@ char *TextInsert(const char *text, const char *insert, int position)
 char *TextInsertAlloc(const char *text, const char *insert, int position)
 {
     char *result = NULL;
+    int textLen = TextLength(text);
 
-    if ((text != NULL) && (insert != NULL))
+    if ((text != NULL) && (insert != NULL) && (position >= 0))
     {
-        int textLen = TextLength(text);
+        if (position > textLen) position = textLen; // End of text string
         int insertLen = TextLength(insert);
 
         result = (char *)RL_MALLOC(textLen + insertLen + 1);
 
         for (int i = 0; i < position; i++) result[i] = text[i];
-        for (int i = position; i < insertLen + position; i++) result[i] = insert[i - position];
-        for (int i = (insertLen + position); i < (textLen + insertLen); i++) result[i] = text[i];
+        for (int i = position; i < (insertLen + position); i++) result[i] = insert[i - position];
+        for (int i = (insertLen + position); i < (textLen + insertLen + position); i++) result[i] = text[i - insertLen];
 
         result[textLen + insertLen] = '\0'; // Add EOL
     }
@@ -2036,7 +2038,7 @@ char *TextJoin(char **textList, int count, const char *delimiter)
         int textLength = TextLength(textList[i]);
 
         // Make sure joined text could fit inside MAX_TEXT_BUFFER_LENGTH
-        if ((totalLength + textLength) < MAX_TEXT_BUFFER_LENGTH)
+        if ((totalLength + textLength + delimiterLen) < MAX_TEXT_BUFFER_LENGTH)
         {
             memcpy(textPtr, textList[i], textLength);
             totalLength += textLength;

src/rtextures.c

@@ -70,6 +70,7 @@
 #include <string.h>             // Required for: strlen() [Used in ImageTextEx()], strcmp() [Used in LoadImageFromMemory()/LoadImageAnimFromMemory()/ExportImageToMemory()]
 #include <math.h>               // Required for: fabsf() [Used in DrawTextureRec()]
 #include <stdio.h>              // Required for: sprintf() [Used in ExportImageAsCode()]
+#include <limits.h>             // Required for: INT_MAX
 
 // Support only desired texture formats on stb_image
 #if !SUPPORT_FILEFORMAT_BMP
@@ -843,9 +844,10 @@ bool ExportImageAsCode(Image image, const char *fileName)
 // Generate image: plain color
 Image GenImageColor(int width, int height, Color color)
 {
-    Color *pixels = (Color *)RL_CALLOC(width*height, sizeof(Color));
+    int dataSize = GetPixelDataSize(width, height, PIXELFORMAT_UNCOMPRESSED_R8G8B8A8);
+    Color *pixels = (Color *)RL_CALLOC(dataSize, 1);
 
-    for (int i = 0; i < width*height; i++) pixels[i] = color;
+    for (int i = 0; (pixels != NULL) && (i < width*height); i++) pixels[i] = color;
 
     Image image = {
         .data = pixels,
@@ -1228,18 +1230,25 @@ Image ImageFromImage(Image image, Rectangle rec)
 {
     Image result = { 0 };
 
-    int bytesPerPixel = GetPixelDataSize(1, 1, image.format);
-
-    result.width = (int)rec.width;
-    result.height = (int)rec.height;
-    result.data = RL_CALLOC((int)rec.width*(int)rec.height*bytesPerPixel, 1);
-    result.format = image.format;
-    result.mipmaps = 1;
-
-    for (int y = 0; y < (int)rec.height; y++)
+    // Basic rectangle validation: size smaller than image size
+    if ((rec.x > 0) && (rec.y > 0) && (rec.width > 0) && (rec.height > 0) &&
+        (((int)rec.x + (int)rec.width) < image.width) &&
+        (((int)rec.y + (int)rec.height) < image.height))
     {
-        memcpy(((unsigned char *)result.data) + y*(int)rec.width*bytesPerPixel, ((unsigned char *)image.data) + ((y + (int)rec.y)*image.width + (int)rec.x)*bytesPerPixel, (int)rec.width*bytesPerPixel);
+        int bytesPerPixel = GetPixelDataSize(1, 1, image.format);
+
+        result.width = (int)rec.width;
+        result.height = (int)rec.height;
+        result.data = RL_CALLOC((int)rec.width*(int)rec.height*bytesPerPixel, 1);
+        result.format = image.format;
+        result.mipmaps = 1;
+
+        for (int y = 0; y < (int)rec.height; y++)
+        {
+            memcpy(((unsigned char *)result.data) + y*(int)rec.width*bytesPerPixel, ((unsigned char *)image.data) + ((y + (int)rec.y)*image.width + (int)rec.x)*bytesPerPixel, (int)rec.width*bytesPerPixel);
+        }
     }
+    else TRACELOG(LOG_WARNING, "IMAGE: Rectangle provided for ImageToImage not valid");
 
     return result;
 }
@@ -2684,45 +2693,48 @@ void ImageRotate(Image *image, int degrees)
         int width = (int)(fabsf(image->width*cosRadius) + fabsf(image->height*sinRadius));
         int height = (int)(fabsf(image->height*cosRadius) + fabsf(image->width*sinRadius));
 
-        int bytesPerPixel = GetPixelDataSize(1, 1, image->format);
-        unsigned char *rotatedData = (unsigned char *)RL_CALLOC(width*height, bytesPerPixel);
+        int bytesPerPixel = GetPixelDataSize(width, height, image->format);
+        unsigned char *rotatedData = (unsigned char *)RL_CALLOC(bytesPerPixel, 1);
 
-        for (int y = 0; y < height; y++)
+        if (rotatedData != NULL)
         {
-            for (int x = 0; x < width; x++)
+            for (int y = 0; y < height; y++)
             {
-                float oldX = ((x - width/2.0f)*cosRadius + (y - height/2.0f)*sinRadius) + image->width/2.0f;
-                float oldY = ((y - height/2.0f)*cosRadius - (x - width/2.0f)*sinRadius) + image->height/2.0f;
-
-                if ((oldX >= 0) && (oldX < image->width) && (oldY >= 0) && (oldY < image->height))
+                for (int x = 0; x < width; x++)
                 {
-                    int x1 = (int)floorf(oldX);
-                    int y1 = (int)floorf(oldY);
-                    int x2 = MIN(x1 + 1, image->width - 1);
-                    int y2 = MIN(y1 + 1, image->height - 1);
+                    float oldX = ((x - width/2.0f)*cosRadius + (y - height/2.0f)*sinRadius) + image->width/2.0f;
+                    float oldY = ((y - height/2.0f)*cosRadius - (x - width/2.0f)*sinRadius) + image->height/2.0f;
 
-                    float px = oldX - x1;
-                    float py = oldY - y1;
-
-                    for (int i = 0; i < bytesPerPixel; i++)
+                    if ((oldX >= 0) && (oldX < image->width) && (oldY >= 0) && (oldY < image->height))
                     {
-                        float f1 = ((unsigned char *)image->data)[(y1*image->width + x1)*bytesPerPixel + i];
-                        float f2 = ((unsigned char *)image->data)[(y1*image->width + x2)*bytesPerPixel + i];
-                        float f3 = ((unsigned char *)image->data)[(y2*image->width + x1)*bytesPerPixel + i];
-                        float f4 = ((unsigned char *)image->data)[(y2*image->width + x2)*bytesPerPixel + i];
+                        int x1 = (int)floorf(oldX);
+                        int y1 = (int)floorf(oldY);
+                        int x2 = MIN(x1 + 1, image->width - 1);
+                        int y2 = MIN(y1 + 1, image->height - 1);
 
-                        float val = f1*(1 - px)*(1 - py) + f2*px*(1 - py) + f3*(1 - px)*py + f4*px*py;
+                        float px = oldX - x1;
+                        float py = oldY - y1;
 
-                        rotatedData[(y*width + x)*bytesPerPixel + i] = (unsigned char)val;
+                        for (int i = 0; i < bytesPerPixel; i++)
+                        {
+                            float f1 = ((unsigned char *)image->data)[(y1*image->width + x1)*bytesPerPixel + i];
+                            float f2 = ((unsigned char *)image->data)[(y1*image->width + x2)*bytesPerPixel + i];
+                            float f3 = ((unsigned char *)image->data)[(y2*image->width + x1)*bytesPerPixel + i];
+                            float f4 = ((unsigned char *)image->data)[(y2*image->width + x2)*bytesPerPixel + i];
+
+                            float val = f1*(1 - px)*(1 - py) + f2*px*(1 - py) + f3*(1 - px)*py + f4*px*py;
+
+                            rotatedData[(y*width + x)*bytesPerPixel + i] = (unsigned char)val;
+                        }
                     }
                 }
             }
-        }
 
-        RL_FREE(image->data);
-        image->data = rotatedData;
-        image->width = width;
-        image->height = height;
+            RL_FREE(image->data);
+            image->data = rotatedData;
+            image->width = width;
+            image->height = height;
+        }
     }
 }
 
@@ -5501,17 +5513,24 @@ int GetPixelDataSize(int width, int height, int format)
         case PIXELFORMAT_COMPRESSED_ASTC_8x8_RGBA: bpp = 2; break;
         default: break;
     }
+    
+    unsigned long long dataSizeBytes = (width*height*bpp) >> 3;  // Get size in bytes (dividing by 8)
 
-    double bytesPerPixel = (double)bpp/8.0;
-    dataSize = (int)(bytesPerPixel*width*height); // Total data size in bytes
-
-    // Most compressed formats works on 4x4 blocks,
-    // if texture is smaller, minimum dataSize is 8 or 16
-    if ((width < 4) && (height < 4))
+    if (dataSizeBytes < INT_MAX)
     {
-        if ((format >= PIXELFORMAT_COMPRESSED_DXT1_RGB) && (format < PIXELFORMAT_COMPRESSED_DXT3_RGBA)) dataSize = 8;
-        else if ((format >= PIXELFORMAT_COMPRESSED_DXT3_RGBA) && (format < PIXELFORMAT_COMPRESSED_ASTC_8x8_RGBA)) dataSize = 16;
+        dataSize = (int)dataSizeBytes;
+
+        // Most compressed formats works on 4x4 blocks,
+        // if texture is smaller, minimum dataSize is 8 or 16
+        if ((width < 4) && (height < 4))
+        {
+            if ((format >= PIXELFORMAT_COMPRESSED_DXT1_RGB) && (format < PIXELFORMAT_COMPRESSED_DXT3_RGBA)) dataSize = 8;
+            else if ((format >= PIXELFORMAT_COMPRESSED_DXT3_RGBA) && (format < PIXELFORMAT_COMPRESSED_ASTC_8x8_RGBA)) dataSize = 16;
+        }
     }
+    
+    // NOTE: In case required image data larger than 2GB, no memory allocated at all (NULL)
+    if (dataSize == 0) TRACELOG(LOG_WARNING, "Requested image size is larger than 2GB, it can not be allocated");
 
     return dataSize;
 }