feat: pl_memory.h 1.0

pl_memory.h

@@ -1,7 +1,7 @@
 /*
-   pl_memory
+   pl_memory.h
      * no dependencies
-     * simple
+     * simple memory allocators
      
    Do this:
         #define PL_MEMORY_IMPLEMENTATION
@@ -19,9 +19,9 @@
    * override assert by defining PL_ASSERT(x)
 */
 
-// library version
-#define PL_MEMORY_VERSION    "0.6.0"
-#define PL_MEMORY_VERSION_NUM 00600
+// library version (format XYYZZ)
+#define PL_MEMORY_VERSION    "1.0.0"
+#define PL_MEMORY_VERSION_NUM 10000
 
 /*
 Index of this file:
@@ -59,10 +59,10 @@ Index of this file:
 // [SECTION] forward declarations & basic types
 //-----------------------------------------------------------------------------
 
+// basic types
 typedef struct _plTempAllocator  plTempAllocator;
 typedef struct _plStackAllocator plStackAllocator;
 typedef struct _plPoolAllocator  plPoolAllocator;
-typedef struct _plPoolAllocatorNode plPoolAllocatorNode;
 
 typedef size_t plStackAllocatorMarker;
 
@@ -105,7 +105,14 @@ void                   pl_stack_allocator_free_bottom_to_marker(plStackAllocator
 
 //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~pool allocator~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-void  pl_pool_allocator_init (plPoolAllocator*, size_t szItemCount, size_t szItemSize, size_t szItemAlignment, size_t* pszBufferSize, void*);
+// Notes
+//   - setting pBuffer to NULL, will set pszBufferSize to required buffer size
+//     so you can allocate a properly sized buffer for the szItemCount (then call function again)
+//   - to use a stack allocated buffer, first call the function with szItemCount = 0 & pszBufferSize
+//     set to size of the buffer; the function will return the number of items that can be support;
+//     call function again with this number
+
+size_t pl_pool_allocator_init (plPoolAllocator*, size_t szItemCount, size_t szItemSize, size_t szItemAlignment, size_t* pszBufferSize, void* pBuffer);
 void*  pl_pool_allocator_alloc(plPoolAllocator*);
 void   pl_pool_allocator_free (plPoolAllocator*, void* pItem);
 
@@ -113,6 +120,9 @@ void  pl_pool_allocator_free (plPoolAllocator*, void* pItem);
 // [SECTION] structs
 //-----------------------------------------------------------------------------
 
+// the details of the following structures don't matter to you, but they must
+// be visible so you can handle the memory allocations for them
+
 typedef struct _plTempAllocator
 {
     size_t szSize;
@@ -122,6 +132,8 @@ typedef struct _plTempAllocator
     char** ppcMemoryBlocks;
     size_t szMemoryBlockCount;
     size_t szMemoryBlockCapacity;
+    size_t szCurrentBlockSizes;
+    size_t szNextBlockSizes;
 } plTempAllocator;
 
 typedef struct _plStackAllocator
@@ -132,6 +144,7 @@ typedef struct _plStackAllocator
     size_t         szTopOffset;
 } plStackAllocator;
 
+typedef struct _plPoolAllocatorNode plPoolAllocatorNode;
 typedef struct _plPoolAllocatorNode
 {
     plPoolAllocatorNode* ptNextNode;
@@ -159,7 +172,6 @@ Index of this file:
 // [SECTION] defines
 // [SECTION] internal api
 // [SECTION] public api implementation
-// [SECTION] internal api implementation
 */
 
 //-----------------------------------------------------------------------------
@@ -182,24 +194,19 @@ Index of this file:
     #define PL_MEMORY_FREE(x)  free(x)
 #endif
 
-
 #ifndef PL_ASSERT
     #include <assert.h>
     #define PL_ASSERT(x) assert((x))
 #endif
 
-#ifndef PL_MEMORY_TEMP_STACK_BLOCK_SIZE
-    #define PL_MEMORY_TEMP_BLOCK_SIZE 4194304
-#endif
-
 #define PL__ALIGN_UP(num, align) (((num) + ((align)-1)) & ~((align)-1))
 
 #ifndef pl_vnsprintf
     #include <stdio.h>
-#define pl_vnsprintf vnsprintf
+    #define pl_vnsprintf vsnprintf
 #endif
 
-#include <stdarg.h>
+#include <stdarg.h> // varargs
 
 //-----------------------------------------------------------------------------
 // [SECTION] internal api
@@ -238,7 +245,6 @@ pl__align_forward_size(size_t szPtr, size_t szAlign)
 	return p;
 }
 
-
 //-----------------------------------------------------------------------------
 // [SECTION] public api implementation
 //-----------------------------------------------------------------------------
@@ -248,6 +254,9 @@ pl_aligned_alloc(size_t szAlignment, size_t szSize)
 {
     void* pBuffer = NULL;
 
+    if(szAlignment == 0)
+        szAlignment = pl__get_next_power_of_2(szSize);
+
     // ensure power of 2
     PL_ASSERT((szAlignment & (szAlignment -1)) == 0 && "alignment must be a power of 2");
 
@@ -294,6 +303,8 @@ pl_temp_allocator_alloc(plTempAllocator* ptAllocator, size_t szSize)
         ptAllocator->szSize = PL_MEMORY_TEMP_STACK_SIZE;
         ptAllocator->pcBuffer = ptAllocator->acStackBuffer;
         ptAllocator->szOffset = 0;
+        ptAllocator->szCurrentBlockSizes = PL_MEMORY_TEMP_STACK_SIZE * 2;
+        ptAllocator->szNextBlockSizes = PL_MEMORY_TEMP_STACK_SIZE * 2;
         memset(ptAllocator->acStackBuffer, 0, PL_MEMORY_TEMP_STACK_SIZE); 
     }
 
@@ -302,7 +313,6 @@ pl_temp_allocator_alloc(plTempAllocator* ptAllocator, size_t szSize)
     // not enough room is available
     if(szSize > ptAllocator->szSize - ptAllocator->szOffset)
     {
-        PL_ASSERT(szSize < PL_MEMORY_TEMP_BLOCK_SIZE);
         if(ptAllocator->szMemoryBlockCapacity == 0) // first overflow
         {
             // allocate block array
@@ -310,30 +320,64 @@ pl_temp_allocator_alloc(plTempAllocator* ptAllocator, size_t szSize)
             ptAllocator->ppcMemoryBlocks = (char**)PL_MEMORY_ALLOC(sizeof(char*) * ptAllocator->szMemoryBlockCapacity);
             memset(ptAllocator->ppcMemoryBlocks, 0, (sizeof(char*) * ptAllocator->szMemoryBlockCapacity));
 
+            size_t szNewBlockSize = ptAllocator->szCurrentBlockSizes;
+            if(szSize > szNewBlockSize)
+            {
+                ptAllocator->szNextBlockSizes = szSize;
+                szNewBlockSize = szSize;
+            }
+
             // allocate first block
-            ptAllocator->ppcMemoryBlocks[0] = (char*)PL_MEMORY_ALLOC(PL_MEMORY_TEMP_BLOCK_SIZE);
-            ptAllocator->szSize = PL_MEMORY_TEMP_BLOCK_SIZE;
+            ptAllocator->ppcMemoryBlocks[0] = (char*)PL_MEMORY_ALLOC(szNewBlockSize);
+            ptAllocator->szSize = szNewBlockSize;
             ptAllocator->szOffset = 0;
             ptAllocator->pcBuffer = ptAllocator->ppcMemoryBlocks[0];
         }
         else if(ptAllocator->szMemoryBlockCount == ptAllocator->szMemoryBlockCapacity) // grow memory block storage
         {
+
+            size_t szNewBlockSize = ptAllocator->szCurrentBlockSizes;
+            if(szSize > szNewBlockSize)
+            {
+                ptAllocator->szNextBlockSizes = szSize;
+                szNewBlockSize = szSize;
+            }
+
             char** ppcOldBlocks = ptAllocator->ppcMemoryBlocks;
             ptAllocator->ppcMemoryBlocks = (char**)PL_MEMORY_ALLOC(sizeof(char*) * (ptAllocator->szMemoryBlockCapacity + 1));
             memset(ptAllocator->ppcMemoryBlocks, 0, (sizeof(char*) * (ptAllocator->szMemoryBlockCapacity + 1)));
             memcpy(ptAllocator->ppcMemoryBlocks, ppcOldBlocks, sizeof(char*) * ptAllocator->szMemoryBlockCapacity);
             ptAllocator->szMemoryBlockCapacity++;
-            ptAllocator->ppcMemoryBlocks[ptAllocator->szMemoryBlockCount] = (char*)PL_MEMORY_ALLOC(PL_MEMORY_TEMP_BLOCK_SIZE);
-            ptAllocator->szSize = PL_MEMORY_TEMP_BLOCK_SIZE;
+            ptAllocator->ppcMemoryBlocks[ptAllocator->szMemoryBlockCount] = (char*)PL_MEMORY_ALLOC(szNewBlockSize);
+            ptAllocator->szSize = szNewBlockSize;
             ptAllocator->pcBuffer = ptAllocator->ppcMemoryBlocks[ptAllocator->szMemoryBlockCount];
             ptAllocator->szOffset = 0;
         }
-        else // block is available
+        else if(szSize <= ptAllocator->szCurrentBlockSizes) // block available & small enough
         {
-            ptAllocator->szSize = PL_MEMORY_TEMP_BLOCK_SIZE;
+            ptAllocator->szSize = ptAllocator->szCurrentBlockSizes;
             ptAllocator->szOffset = 0;
             ptAllocator->pcBuffer = ptAllocator->ppcMemoryBlocks[ptAllocator->szMemoryBlockCount];
         }
+        else // block available but too small
+        {
+            size_t szNewBlockSize = ptAllocator->szCurrentBlockSizes;
+            if(szSize > szNewBlockSize)
+            {
+                ptAllocator->szNextBlockSizes = szSize;
+                szNewBlockSize = szSize;
+            }
+
+            char** ppcOldBlocks = ptAllocator->ppcMemoryBlocks;
+            ptAllocator->ppcMemoryBlocks = (char**)PL_MEMORY_ALLOC(sizeof(char*) * (ptAllocator->szMemoryBlockCapacity + 1));
+            memset(ptAllocator->ppcMemoryBlocks, 0, (sizeof(char*) * (ptAllocator->szMemoryBlockCapacity + 1)));
+            memcpy(ptAllocator->ppcMemoryBlocks, ppcOldBlocks, sizeof(char*) * ptAllocator->szMemoryBlockCapacity);
+            ptAllocator->szMemoryBlockCapacity++;
+            ptAllocator->ppcMemoryBlocks[ptAllocator->szMemoryBlockCount] = (char*)PL_MEMORY_ALLOC(szNewBlockSize);
+            ptAllocator->szSize = szNewBlockSize;
+            ptAllocator->pcBuffer = ptAllocator->ppcMemoryBlocks[ptAllocator->szMemoryBlockCount];
+            ptAllocator->szOffset = 0;
+        }
         
         ptAllocator->szMemoryBlockCount++;
     }
@@ -350,6 +394,17 @@ pl_temp_allocator_reset(plTempAllocator* ptAllocator)
     ptAllocator->szOffset = 0;
     ptAllocator->szMemoryBlockCount = 0;
     ptAllocator->pcBuffer = ptAllocator->acStackBuffer;
+
+    if(ptAllocator->szCurrentBlockSizes != ptAllocator->szNextBlockSizes)
+    {
+        for(size_t i = 0; i < ptAllocator->szMemoryBlockCapacity; i++)
+        {
+            PL_MEMORY_FREE(ptAllocator->ppcMemoryBlocks[i]);
+            ptAllocator->ppcMemoryBlocks[i] = (char*)PL_MEMORY_ALLOC(ptAllocator->szNextBlockSizes);
+            memset(ptAllocator->ppcMemoryBlocks[i], 0, ptAllocator->szNextBlockSizes);
+        } 
+        ptAllocator->szCurrentBlockSizes = ptAllocator->szNextBlockSizes;
+    }
 }
 
 void
@@ -418,7 +473,8 @@ pl_stack_allocator_alloc(plStackAllocator* ptAllocator, size_t szSize)
 {
     size_t szOffset = ptAllocator->szBottomOffset + szSize;
 
-    PL_ASSERT(szOffset < ptAllocator->szTopOffset && "stack allocator full");
+    if(szOffset >= ptAllocator->szTopOffset)
+        return NULL;
 
     // update offset
     void* pBuffer = ptAllocator->pucBuffer + ptAllocator->szBottomOffset;
@@ -437,7 +493,8 @@ pl_stack_allocator_aligned_alloc(plStackAllocator* ptAllocator, size_t szSize, s
     uintptr_t pOffset = pl__align_forward_uintptr(pCurrentPointer, szAlignment);
     pOffset -= (uintptr_t)ptAllocator->pucBuffer;
 
-    PL_ASSERT(pOffset + szSize <= ptAllocator->szTopOffset && "linear allocator full");
+    if(pOffset + szSize > ptAllocator->szTopOffset)
+        return NULL;
 
     // check if allocator has enough space left
     if(pOffset + szSize <= ptAllocator->szSize)
@@ -467,7 +524,8 @@ pl_stack_allocator_aligned_alloc_top(plStackAllocator* ptAllocator, size_t szSiz
     uintptr_t pOffset = pl__align_forward_uintptr(pCurrentPointer, szAlignment);
     pOffset -= (uintptr_t)ptAllocator->pucBuffer;
 
-    PL_ASSERT(pOffset + szSize <= ptAllocator->szTopOffset && "linear allocator full");
+    if(pOffset + szSize > ptAllocator->szTopOffset)
+        return NULL;
 
     // check if allocator has enough space left
     if(pOffset + szSize <= ptAllocator->szSize)
@@ -492,7 +550,8 @@ pl_stack_allocator_alloc_top(plStackAllocator* ptAllocator, size_t szSize)
 {
     size_t szOffset = ptAllocator->szTopOffset - szSize;
 
-    PL_ASSERT(szOffset > ptAllocator->szBottomOffset && szOffset < ptAllocator->szTopOffset && "stack allocator full");
+    if(szOffset < ptAllocator->szBottomOffset || szOffset > ptAllocator->szTopOffset)
+        return NULL;
 
     // update offset
     void* pBuffer = ptAllocator->pucBuffer + szOffset;
@@ -562,24 +621,36 @@ pl_stack_allocator_reset(plStackAllocator* ptAllocator)
     #endif
 }
 
-void
+size_t
 pl_pool_allocator_init(plPoolAllocator* ptAllocator, size_t szItemCount, size_t szItemSize, size_t szItemAlignment, size_t* pszBufferSize, void* pBuffer)
 {
     PL_ASSERT(ptAllocator);
-    PL_ASSERT(szItemCount > 0);
     PL_ASSERT(szItemSize > 0);
     PL_ASSERT(pszBufferSize);
 
-    if(szItemAlignment == 0)
+    // gotta have room for node in unused blocks
+    if(szItemSize < sizeof(plPoolAllocatorNode))
     {
+        szItemSize = sizeof(plPoolAllocatorNode);
+    }
+
+    // let us calculate alignment
+    if(szItemAlignment == 0)
         szItemAlignment = pl__get_next_power_of_2(szItemSize);
+
+    // let us calculate number of items
+    if(szItemCount == 0 && *pszBufferSize > 0)
+    {
+        size_t szAlignedItemSize = pl__align_forward_size(szItemSize, szItemAlignment);
+        szItemCount = (*pszBufferSize - szItemAlignment) / (szAlignedItemSize);
+        return szItemCount;
     }
 
     if(pBuffer == NULL)
     {
         size_t szAlignedItemSize = pl__align_forward_size(szItemSize, szItemAlignment);
         *pszBufferSize = szAlignedItemSize * szItemCount + szItemAlignment;
-        return;
+        return szItemCount;
     }
 
     ptAllocator->szFreeItems = szItemCount;
@@ -593,7 +664,6 @@ pl_pool_allocator_init(plPoolAllocator* ptAllocator, size_t szItemCount, size_t
     uintptr_t pStart = pl__align_forward_uintptr(pInitialStart, (uintptr_t)szItemAlignment);
     ptAllocator->szUsableSize -= (size_t)(pStart - pInitialStart);
 
-    PL_ASSERT(ptAllocator->szItemSize >= sizeof(plPoolAllocatorNode) && "pool allocator item size too small");
     PL_ASSERT(ptAllocator->szUsableSize >= ptAllocator->szItemSize * szItemCount && "pool allocator buffer size too small");
 
     unsigned char* pUsableBuffer = (unsigned char*)pStart;
@@ -604,6 +674,7 @@ pl_pool_allocator_init(plPoolAllocator* ptAllocator, size_t szItemCount, size_t
         pNode0->ptNextNode = pNode1;
     }
     ptAllocator->pFreeList = (plPoolAllocatorNode*)pUsableBuffer;
+    return szItemCount;
 }
 
 void*
@@ -628,4 +699,4 @@ pl_pool_allocator_free(plPoolAllocator* ptAllocator, void* pItem)
     ptAllocator->pFreeList->ptNextNode = pOldFreeNode;
 }
 
-#endif
+#endif // PL_MEMORY_IMPLEMENTATION

pl_stl.h

@@ -1,15 +1,16 @@
 /*
    pl_stl.h
+     * no dependencies
+     * simple asci & binary stl parser
 */
 
-// library version
-#define PL_STL_VERSION    "0.2.0"
-#define PL_STL_VERSION_NUM 00200
+// library version (format XYYZZ)
+#define PL_STL_VERSION    "1.0.0"
+#define PL_STL_VERSION_NUM 10000
 
 /*
 Index of this file:
 // [SECTION] header mess
-// [SECTION] includes
 // [SECTION] forward declarations & basic types
 // [SECTION] public api
 // [SECTION] structs
@@ -23,12 +24,6 @@ Index of this file:
 #ifndef PL_STL_H
 #define PL_STL_H
 
-//-----------------------------------------------------------------------------
-// [SECTION] includes
-//-----------------------------------------------------------------------------
-
-#include <stdbool.h>
-
 //-----------------------------------------------------------------------------
 // [SECTION] forward declarations & basic types
 //-----------------------------------------------------------------------------
@@ -50,7 +45,7 @@ typedef struct _plStlInfo
     size_t szPositionStreamSize;
     size_t szNormalStreamSize;
     size_t szIndexBufferSize;
-    bool   bPreloaded;
+    int    iPreloaded;
 } plStlInfo;
 
 #endif // PL_STL_H
@@ -104,11 +99,11 @@ pl_load_stl(const char* pcData, size_t szDataSize, float* afPositionStream, floa
         ptInfoOut = &_tInternalInfo;
 
     bool bAsci = strncmp(pcData, "solid", 5) == 0;
-    size_t szFacetCount = ptInfoOut->bPreloaded ? ptInfoOut->szIndexBufferSize / 3 : 0;
+    size_t szFacetCount = ptInfoOut->iPreloaded ? ptInfoOut->szIndexBufferSize / 3 : 0;
     size_t szCurrentCursor = 0;
-    size_t szVertexCount = ptInfoOut->bPreloaded ? ptInfoOut->szIndexBufferSize : 0;
+    size_t szVertexCount = ptInfoOut->iPreloaded ? ptInfoOut->szIndexBufferSize : 0;
 
-    if(!ptInfoOut->bPreloaded)
+    if(!ptInfoOut->iPreloaded)
     {
 
         // find number of vertices & facets
@@ -131,7 +126,7 @@ pl_load_stl(const char* pcData, size_t szDataSize, float* afPositionStream, floa
             szVertexCount = szFacetCount * 3;
         }
 
-        ptInfoOut->bPreloaded = true;
+        ptInfoOut->iPreloaded = 1;
     }
 
     ptInfoOut->szIndexBufferSize    = szFacetCount * 3;

pl_string.h

@@ -1,5 +1,8 @@
 /*
-   pl_string
+   pl_string.h
+     * no dependencies
+     * simple string ops
+
    Do this:
         #define PL_STRING_IMPLEMENTATION
    before you include this file in *one* C or C++ file to create the implementation.
@@ -11,9 +14,9 @@
    #include "pl_string.h"
 */
 
-// library version
-#define PL_STRING_VERSION    "0.2.0"
-#define PL_STRING_VERSION_NUM 00200
+// library version (format XYYZZ)
+#define PL_STRING_VERSION    "1.0.0"
+#define PL_STRING_VERSION_NUM 10000
 
 /*
 Index of this file:
@@ -47,10 +50,10 @@ uint32_t    pl_str_hash_data(const void* pData, size_t szDataSize, uint32_t uSee
 uint32_t    pl_str_hash     (const char* pcData, size_t szDataSize, uint32_t uSeed);
 
 // file/path string ops
-const char* pl_str_get_file_extension(const char* pcFilePath, char* pcExtensionOut);
-const char* pl_str_get_file_name     (const char* pcFilePath, char* pcFileOut);
-const char* pl_str_get_file_name_only(const char* pcFilePath, char* pcFileOut);
-void        pl_str_get_directory     (const char* pcFilePath, char* pcDirectoryOut);
+const char* pl_str_get_file_extension(const char* pcFilePath, char* pcExtensionOut, size_t szOutSize);
+const char* pl_str_get_file_name     (const char* pcFilePath, char* pcFileOut, size_t szOutSize);
+bool        pl_str_get_file_name_only(const char* pcFilePath, char* pcFileOut, size_t szOutSize);
+bool        pl_str_get_directory     (const char* pcFilePath, char* pcDirectoryOut, size_t szOutSize);
 
 // misc. opts
 bool        pl_str_concatenate    (const char* pcStr0, const char* pcStr1, char* pcStringOut, size_t szDataSize);
@@ -165,7 +168,7 @@ pl_str_hash(const char* pcData, size_t szDataSize, uint32_t uSeed)
 }
 
 const char*
-pl_str_get_file_extension(const char* pcFilePath, char* pcExtensionOut)
+pl_str_get_file_extension(const char* pcFilePath, char* pcExtensionOut, size_t szOutSize)
 {
     const char* pcResult = NULL;
     const size_t szLen = strlen(pcFilePath);
@@ -194,7 +197,8 @@ pl_str_get_file_extension(const char* pcFilePath, char* pcExtensionOut)
             char c = pcFilePath[szLen - i - 1];
             if(c == '.')
             {
-                if(pcExtensionOut) strcpy(pcExtensionOut, &pcFilePath[szLen - i]);
+                if(pcExtensionOut)
+                    strncpy(pcExtensionOut, &pcFilePath[szLen - i], szOutSize);
                 pcResult = &pcFilePath[szLen - i];
                 break;
             }
@@ -202,14 +206,15 @@ pl_str_get_file_extension(const char* pcFilePath, char* pcExtensionOut)
     }
     else
     {
-        if(pcExtensionOut) memset(pcExtensionOut, 0, 1);
+        if(pcExtensionOut)
+            memset(pcExtensionOut, 0, szOutSize);
     }
 
     return pcResult; 
 }
 
 const char*
-pl_str_get_file_name(const char* pcFilePath, char* pcFileOut)
+pl_str_get_file_name(const char* pcFilePath, char* pcFileOut, size_t szOutSize)
 {
     const char* pcResult = pcFilePath;
     const size_t szLen = strlen(pcFilePath);
@@ -233,7 +238,8 @@ pl_str_get_file_name(const char* pcFilePath, char* pcFileOut)
 
             if(uSlashCount == 0)
             {
-                if(pcFileOut) strcpy(pcFileOut, &pcFilePath[i + 1]);
+                if(pcFileOut)
+                    strncpy(pcFileOut, &pcFilePath[i + 1], szOutSize);
                 pcResult = &pcFilePath[i + 1];
                 break;
             }
@@ -241,16 +247,26 @@ pl_str_get_file_name(const char* pcFilePath, char* pcFileOut)
     }
     else
     {
-        if(pcFileOut) memcpy(pcFileOut, pcFilePath, szLen + 1);
+        if(pcFileOut)
+        {
+            size_t szCopySize = szLen + 1;
+            if(szCopySize > szOutSize)
+                szCopySize = szOutSize;
+            memcpy(pcFileOut, pcFilePath, szCopySize);
+        }
     }
 
     return pcResult;
 }
 
-const char*
-pl_str_get_file_name_only(const char* pcFilePath, char* pcFileOut)
+bool
+pl_str_get_file_name_only(const char* pcFilePath, char* pcFileOut, size_t szOutSize)
 {
-    const char* pcResult = pcFilePath;
+    PL_ASSERT(pcFileOut && "pl_str_get_file_name_only requires pcFileOut to be valid pointer");
+    
+    if(pcFileOut == NULL)
+        return false;
+    
     const size_t szLen = strlen(pcFilePath);
 
     // check if string includes directory
@@ -272,19 +288,24 @@ pl_str_get_file_name_only(const char* pcFilePath, char* pcFileOut)
 
             if(uSlashCount == 0)
             {
-                if(pcFileOut) strcpy(pcFileOut, &pcFilePath[i + 1]);
-                pcResult = &pcFilePath[i + 1];
+                if(pcFileOut)
+                    strncpy(pcFileOut, &pcFilePath[i + 1], szOutSize);
                 break;
             }
         }
     }
     else
     {
-        if(pcFileOut) memcpy(pcFileOut, pcFilePath, szLen + 1);
+        if(pcFileOut)
+        {
+            if(szLen + 1 > szOutSize)
+                return false;
+            memcpy(pcFileOut, pcFilePath, szLen + 1);
+        }
     }
 
-    const size_t szOutLen = strlen(pcFileOut);
-
+    if(szLen > szOutSize)
+        return false;
     bool bPeriodReached = false;
     for(size_t i = 0; i < szLen; i++)
     {
@@ -299,15 +320,17 @@ pl_str_get_file_name_only(const char* pcFilePath, char* pcFileOut)
             pcFileOut[i] = 0;
         }
     }
-
-    return pcResult;
+    return true;
 }
 
-void
-pl_str_get_directory(const char* pcFilePath, char* pcDirectoryOut)
+bool
+pl_str_get_directory(const char* pcFilePath, char* pcDirectoryOut, size_t szOutSize)
 {
     size_t szLen = strlen(pcFilePath);
-    strcpy(pcDirectoryOut, pcFilePath);
+    strncpy(pcDirectoryOut, pcFilePath, szOutSize);
+
+    if(szLen > szOutSize || szOutSize < 2)
+        return false;
 
     while(szLen > 0)
     {
@@ -323,6 +346,7 @@ pl_str_get_directory(const char* pcFilePath, char* pcDirectoryOut)
         pcDirectoryOut[0] = '.';
         pcDirectoryOut[1] = '/';
     }
+    return true;
 }
 
 bool
@@ -333,7 +357,6 @@ pl_str_concatenate(const char* pcStr0, const char* pcStr1, char* pcStringOut, si
 
     if(szLen0 + szLen1 > szDataSize)
     {
-        PL_ASSERT(false && "buffer provided not big enough");
         return false;
     }
 

pl_test.h

@@ -1,5 +1,5 @@
 /*
-   pl_test
+   pl_test.h
    Do this:
         #define PL_TEST_IMPLEMENTATION
    before you include this file in *one* C or C++ file to create the implementation.
@@ -9,17 +9,22 @@
    #include ...
    #define PL_TEST_IMPLEMENTATION
    #include "pl_test.h"
+   Notes:
+   * for console color output on windows, define "PL_TEST_WIN32_COLOR" before
+     including the implementation
 */
 
-// library version
-#define PL_TEST_VERSION    "0.1.0"
-#define PL_TEST_VERSION_NUM 00100
+// library version (format XYYZZ)
+#define PL_TEST_VERSION    "1.0.0"
+#define PL_TEST_VERSION_NUM 10000
 
 /*
 Index of this file:
 // [SECTION] header mess
 // [SECTION] includes
 // [SECTION] public api
+// [SECTION] structs
+// [SECTION] private
 // [SECTION] c file
 */
 
@@ -34,8 +39,8 @@ Index of this file:
 // [SECTION] includes
 //-----------------------------------------------------------------------------
 
-#include <stdbool.h>
-#include <stdint.h>
+#include <stdbool.h> // bool
+#include <stdint.h>  // uint32_t
 
 //-----------------------------------------------------------------------------
 // [SECTION] forward declarations & basic types
@@ -43,6 +48,7 @@ Index of this file:
 
 // forward declarations
 typedef struct _plTestContext plTestContext;
+typedef struct _plTestOptions plTestOptions;
 
 typedef void (*PL_TEST_FUNCTION)(void*);
 
@@ -52,26 +58,29 @@ typedef void (*PL_TEST_FUNCTION)(void*);
 
 #define pl_test_register_test(TEST, DATA) pl__test_register_test((TEST), (DATA), #TEST)
 
-
 //-----------------------------------------------------------------------------
 // [SECTION] public api
 //-----------------------------------------------------------------------------
 
-plTestContext* pl_create_test_context(void);
+plTestContext* pl_create_test_context(plTestOptions);
 
 // tests
-void pl__test_register_test(PL_TEST_FUNCTION tTest, void* pData, const char* pcName);
-bool pl_test_run(void);
+void pl_test_run_suite(const char* pcSuiteName);
+bool pl_test_finish(void);
 
 // booleans
 bool pl_test_expect_true (bool bValue, const char* pcMsg);
 bool pl_test_expect_false(bool bValue, const char* pcMsg);
 
-// numbers
+// integers
 bool pl_test_expect_int_equal       (int iValue0, int iValue1, const char* pcMsg);
 bool pl_test_expect_int_not_equal   (int iValue0, int iValue1, const char* pcMsg);
-bool pl_test_expect_unsigned_equal       (uint32_t uValue0, uint32_t uValue1, const char* pcMsg);
-bool pl_test_expect_unsigned_not_equal   (uint32_t uValue0, uint32_t uValue1, const char* pcMsg);
+bool pl_test_expect_uint32_equal    (uint32_t uValue0, uint32_t uValue1, const char* pcMsg);
+bool pl_test_expect_uint32_not_equal(uint32_t uValue0, uint32_t uValue1, const char* pcMsg);
+bool pl_test_expect_uint64_equal    (uint64_t uValue0, uint64_t uValue1, const char* pcMsg);
+bool pl_test_expect_uint64_not_equal(uint64_t uValue0, uint64_t uValue1, const char* pcMsg);
+
+// floating point
 bool pl_test_expect_float_near_equal     (float fValue0, float fValue1, float fError, const char* pcMsg);
 bool pl_test_expect_float_near_not_equal (float fValue0, float fValue1, float fError, const char* pcMsg);
 bool pl_test_expect_double_near_equal    (double dValue0, double dValue1, double dError, const char* pcMsg);
@@ -81,6 +90,23 @@ bool pl_test_expect_double_near_not_equal(double dValue0, double dValue1, double
 bool pl_test_expect_string_equal    (const char* pcValue0, const char* pcValue1, const char* pcMsg);
 bool pl_test_expect_string_not_equal(const char* pcValue0, const char* pcValue1, const char* pcMsg);
 
+//-----------------------------------------------------------------------------
+// [SECTION] structs
+//-----------------------------------------------------------------------------
+
+typedef struct _plTestOptions
+{
+    bool bPrintSuiteResults;
+    bool bPrintAllPassedChecks;
+    bool bPrintColor;
+} plTestOptions;
+
+//-----------------------------------------------------------------------------
+// [SECTION] private
+//-----------------------------------------------------------------------------
+
+void pl__test_register_test(PL_TEST_FUNCTION tTest, void* pData, const char* pcName);
+
 #endif // PL_TEST_H
 
 //-----------------------------------------------------------------------------
@@ -100,6 +126,13 @@ Index of this file:
 
 #ifdef PL_TEST_IMPLEMENTATION
 
+#if defined(PL_TEST_WIN32_COLOR) || defined(_WIN32)
+    #define WIN32_LEAN_AND_MEAN
+    #include <windows.h>
+    static DWORD  gtOriginalMode = 0;
+    static HANDLE gtStdOutHandle = 0;
+#endif
+
 //-----------------------------------------------------------------------------
 // [SECTION] includes
 //-----------------------------------------------------------------------------
@@ -135,7 +168,10 @@ typedef struct _plTestContext
     uint32_t      uTestSize;
     uint32_t      uTestCapacity;
     uint32_t      uFailedTest;
-    bool     bPrintPasses;
+    plTestOptions tOptions;
+
+    uint32_t uTotalPassedTests;
+    uint32_t uTotalFailedTests;
 } plTestContext;
 
 //-----------------------------------------------------------------------------
@@ -149,12 +185,26 @@ plTestContext* gptTestContext = NULL;
 //-----------------------------------------------------------------------------
 
 plTestContext*
-pl_create_test_context(void)
+pl_create_test_context(plTestOptions tOptions)
 {
+
+    #if defined(PL_TEST_WIN32_COLOR) || defined(_WIN32)
+        DWORD tCurrentMode = 0;
+        gtStdOutHandle = GetStdHandle(STD_OUTPUT_HANDLE);
+            if(gtStdOutHandle == INVALID_HANDLE_VALUE)
+                exit(GetLastError());
+            if(!GetConsoleMode(gtStdOutHandle, &tCurrentMode))
+                exit(GetLastError());
+            gtOriginalMode = tCurrentMode;
+            tCurrentMode |= ENABLE_VIRTUAL_TERMINAL_PROCESSING; // enable ANSI escape codes
+            if(!SetConsoleMode(gtStdOutHandle, tCurrentMode))
+                exit(GetLastError());
+    #endif
+
     gptTestContext = (plTestContext*)malloc(sizeof(plTestContext));
     memset(gptTestContext, 0, sizeof(plTestContext));
     gptTestContext->uTestCapacity = 64;
-    gptTestContext->bPrintPasses = false;
+    gptTestContext->tOptions = tOptions;
     gptTestContext->atTests = (plTest*)malloc(gptTestContext->uTestCapacity * sizeof(plTest));
     memset(gptTestContext->atTests, 0, sizeof(gptTestContext->uTestCapacity * sizeof(plTest)));
     return gptTestContext;
@@ -179,30 +229,67 @@ pl__test_register_test(PL_TEST_FUNCTION tTest, void* pData, const char* pcName)
     gptTestContext->atTests[gptTestContext->uTestSize - 1].pData = pData;
 }
 
-bool
-pl_test_run(void)
+void
+pl_test_run_suite(const char* pcSuiteName)
 {
+    printf("\n------%s suite------\n\n", pcSuiteName);
+
     for(uint32_t i = 0; i < gptTestContext->uTestSize; i++)
     {
         
         gptTestContext->ptCurrentTest = &gptTestContext->atTests[i];
         gptTestContext->ptCurrentTest->bFailureOccured = false;
 
-        printf("-----------------------------------\n");
-        printf("\"%s\" running...\n\n", gptTestContext->ptCurrentTest->pcName);
+        printf("running -> \"%s\"\n", gptTestContext->ptCurrentTest->pcName);
         gptTestContext->ptCurrentTest->tTest(gptTestContext->ptCurrentTest->pData);
 
         if(gptTestContext->ptCurrentTest->bFailureOccured)
         {
-            pl__test_print_red("\n\n\"%s\" failed", NULL, gptTestContext->ptCurrentTest->pcName);
+            pl__test_print_red("%s", NULL, "        -> failed");
             gptTestContext->uFailedTest++;
         }
         else
-            printf("\n\n\"%s\" passed\n\n", gptTestContext->ptCurrentTest->pcName);
-        printf("-----------------------------------\n");
+            pl__test_print_green("%s", NULL, "           passed");
     }
 
-    return gptTestContext->uFailedTest == 0;
+    if(gptTestContext->tOptions.bPrintSuiteResults)
+    {
+        printf("\nPassed: ");
+        pl__test_print_green("%u", NULL, gptTestContext->uTestSize - gptTestContext->uFailedTest);
+
+        printf("Failed: ");
+        pl__test_print_red("%u", NULL, gptTestContext->uFailedTest);
+    }
+
+    // printf("\n------End tests------\n\n");
+
+    // reset context
+    gptTestContext->uTotalPassedTests += gptTestContext->uTestSize - gptTestContext->uFailedTest;
+    gptTestContext->uTotalFailedTests += gptTestContext->uFailedTest;
+    gptTestContext->uTestSize = 0;
+    gptTestContext->uFailedTest = 0;
+    gptTestContext->ptCurrentTest = NULL;
+    memset(gptTestContext->atTests, 0, sizeof(plTest) * gptTestContext->uTestCapacity);
+}
+
+bool
+pl_test_finish(void)
+{
+
+    printf("\n------Results------\n");
+
+    printf("\nTests passed: ");
+    pl__test_print_green("%u", NULL, gptTestContext->uTotalPassedTests);
+
+    printf("Tests failed: ");
+    pl__test_print_red("%u", NULL, gptTestContext->uTotalFailedTests);
+
+    #if defined(PL_TEST_WIN32_COLOR) || defined(_WIN32)
+    if(!SetConsoleMode(gtStdOutHandle, gtOriginalMode))
+        exit(GetLastError());
+    #endif
+
+    return gptTestContext->uTotalFailedTests == 0;
 }
 
 bool
@@ -210,6 +297,7 @@ pl_test_expect_true(bool bValue, const char* pcMsg)
 {
     if(bValue)
     {
+        if(gptTestContext->tOptions.bPrintAllPassedChecks)
             pl__test_print_green("Value: true  | Expected Value: true", pcMsg);
         return true;
     }
@@ -229,64 +317,67 @@ pl_test_expect_false(bool bValue, const char* pcMsg)
         return false;
     }
 
+    if(gptTestContext->tOptions.bPrintAllPassedChecks)
         pl__test_print_green("Value: false | Expected Value: false", pcMsg);
     return true;
 }
 
+#define pl__test_expect_equal(value0, value1, pcMsg, format) \
+    if((value0) == (value1)) \
+    { \
+        if(gptTestContext->tOptions.bPrintAllPassedChecks) \
+            pl__test_print_green(format " equals " format " | Equality Expected", (pcMsg), (value0), (value1)); \
+        return true; \
+    } \
+    pl__test_print_red(format " does not equal " format " | Equality Expected", (pcMsg), (value0), (value1)); \
+    gptTestContext->ptCurrentTest->bFailureOccured = true; \
+    return false;
+
+#define pl__test_expect_not_equal(value0, value1, pcMsg, format) \
+    if((value0) == (value1)) \
+    { \
+        pl__test_print_red(format " equals " format " | Equality Not Expected", (pcMsg), (value0), (value1)); \
+        gptTestContext->ptCurrentTest->bFailureOccured = true; \
+        return false; \
+    } \
+    if(gptTestContext->tOptions.bPrintAllPassedChecks) \
+        pl__test_print_green(format " does not equal " format " | Equality Expected", (pcMsg), (value0), (value1)); \
+    return true;
+
 bool
 pl_test_expect_int_equal(int iValue0, int iValue1, const char* pcMsg)
 {
-    if(iValue0 == iValue1)
-    {
-        pl__test_print_green("%i equals %i | Equality Expected", pcMsg, iValue0, iValue1);
-        return true;
-    }
-
-    pl__test_print_red("%i does not equal %i | Equality Expected", pcMsg, iValue0, iValue1);
-    gptTestContext->ptCurrentTest->bFailureOccured = true;
-    return false;
+    pl__test_expect_equal(iValue0, iValue1, pcMsg, "%i");
 }
 
 bool
 pl_test_expect_int_not_equal(int iValue0, int iValue1, const char* pcMsg)
 {
-    if(iValue0 == iValue1)
-    {
-        pl__test_print_red("%i equals %i | Equality Not Expected", pcMsg, iValue0, iValue1);
-        gptTestContext->ptCurrentTest->bFailureOccured = true;
-        return false;
-    }
-
-    pl__test_print_green("%i does not equal %i | Equality Not Expected", pcMsg, iValue0, iValue1);
-    return true;    
+    pl__test_expect_not_equal(iValue0, iValue1, pcMsg, "%i");   
 }
 
 bool
-pl_test_expect_unsigned_equal(uint32_t uValue0, uint32_t uValue1, const char* pcMsg)
+pl_test_expect_uint64_equal(uint64_t uValue0, uint64_t uValue1, const char* pcMsg)
 {
-    if(uValue0 == uValue1)
-    {
-        pl__test_print_green("%u equals %u | Equality Expected", pcMsg, uValue0, uValue1);
-        return true;
-    }
-
-    pl__test_print_red("%u does not equal %u | Equality Expected", pcMsg, uValue0, uValue1);
-    gptTestContext->ptCurrentTest->bFailureOccured = true;
-    return false;
+    pl__test_expect_equal(uValue0, uValue1, pcMsg, "%llu");
 }
 
 bool
-pl_test_expect_unsigned_not_equal(uint32_t uValue0, uint32_t uValue1, const char* pcMsg)
+pl_test_expect_uint64_not_equal(uint64_t uValue0, uint64_t uValue1, const char* pcMsg)
 {
-    if(uValue0 == uValue1)
-    {
-        pl__test_print_red("%u equals %u | Equality Not Expected", pcMsg, uValue0, uValue1);
-        gptTestContext->ptCurrentTest->bFailureOccured = true;
-        return false;
+    pl__test_expect_not_equal(uValue0, uValue1, pcMsg, "%llu");   
 }
 
-    pl__test_print_green("%u does not equal %u | Equality Not Expected", pcMsg, uValue0, uValue1);
-    return true;    
+bool
+pl_test_expect_uint32_equal(uint32_t uValue0, uint32_t uValue1, const char* pcMsg)
+{
+    pl__test_expect_equal(uValue0, uValue1, pcMsg, "%u");   
+}
+
+bool
+pl_test_expect_uint32_not_equal(uint32_t uValue0, uint32_t uValue1, const char* pcMsg)
+{
+    pl__test_expect_not_equal(uValue0, uValue1, pcMsg, "%u");   
 }
 
 bool
@@ -306,6 +397,7 @@ pl_test_expect_double_near_equal(double dValue0, double dValue1, double dError,
 {
     if(dValue0 >= dValue1 - dError && dValue0 <= dValue1 + dError)
     {
+        if(gptTestContext->tOptions.bPrintAllPassedChecks)
             pl__test_print_green("%0.6f equals %0.6f | Equality Expected within %0.6f", pcMsg, dValue0, dValue1, dError);
         return true;
     }
@@ -325,6 +417,7 @@ pl_test_expect_double_near_not_equal(double dValue0, double dValue1, double dErr
         return false;
     }
 
+    if(gptTestContext->tOptions.bPrintAllPassedChecks)
         pl__test_print_green("%0.6f does not equal %0.6f | Equality Not Expected within %0.6f", pcMsg, dValue0, dValue1, dError);
     return true; 
 }
@@ -334,6 +427,7 @@ pl_test_expect_string_equal(const char* pcValue0, const char* pcValue1, const ch
 {
     if(strcmp(pcValue0, pcValue1) == 0)
     {
+        if(gptTestContext->tOptions.bPrintAllPassedChecks)
             pl__test_print_green("\"%s\" equals \"%s\" | Equality Expected", pcMsg, pcValue0, pcValue1);
         return true;
     }
@@ -348,6 +442,7 @@ pl_test_expect_string_not_equal(const char* pcValue0, const char* pcValue1, cons
 {
     if(strcmp(pcValue0, pcValue1) == 0)
     {
+        if(gptTestContext->tOptions.bPrintAllPassedChecks)
             pl__test_print_green("\"%s\" equals \"%s\" | Equality Not Expected", pcMsg, pcValue0, pcValue1);
         gptTestContext->ptCurrentTest->bFailureOccured = true;
         return false;
@@ -373,12 +468,15 @@ pl__test_print_va(const char* cPFormat, va_list args)
 
 void static
 pl__test_print_red(const char* cPFormat, const char* pcMsg, ...)
+{
+    if(gptTestContext->tOptions.bPrintColor)
     {
         #ifdef _WIN32
             printf("");
         #else
             printf("\033[91m");
         #endif
+    }
 
     va_list argptr;
     va_start(argptr, pcMsg);
@@ -390,24 +488,27 @@ pl__test_print_red(const char* cPFormat, const char* pcMsg, ...)
     else
         printf("\n");  
 
+    if(gptTestContext->tOptions.bPrintColor)
+    {
         #ifdef _WIN32
             printf("");
         #else
             printf("\033[0m");
         #endif 
     }
+}
 
 static void
 pl__test_print_green(const char* cPFormat, const char* pcMsg, ...)
 {
-    if(!gptTestContext->bPrintPasses)
-        return;
-
+    if(gptTestContext->tOptions.bPrintColor)
+    {
         #ifdef _WIN32
             printf("");
         #else
             printf("\033[92m");
         #endif
+    }
 
     va_list argptr;
     va_start(argptr, pcMsg);
@@ -419,11 +520,14 @@ pl__test_print_green(const char* cPFormat, const char* pcMsg, ...)
     else
         printf("\n");  
 
+    if(gptTestContext->tOptions.bPrintColor)
+    {
         #ifdef _WIN32
             printf("");
         #else
             printf("\033[0m");
         #endif 
     }
+}
 
 #endif // PL_TEST_IMPLEMENTATION