v1.03 prerelease - Full Linux port of crnlib/crunch, in progress - still more testing to do, and some cmd line options (such as -timestamp) don't work under linux yet, but the core stuff (compression/decompression/transcoding) should work fine and performance under Linux is comparable to Windows. The 3 examples haven't been ported yet.

crnlib/crn_core.h

@@ -6,38 +6,34 @@
    #pragma warning (disable: 4201) // nonstandard extension used : nameless struct/union
    #pragma warning (disable: 4127) // conditional expression is constant
    #pragma warning (disable: 4793) // function compiled as native
+   #pragma warning (disable: 4324) // structure was padded due to __declspec(align())
 #endif
 
-#if defined(WIN32)
-
-#if 0
+#if defined(WIN32) && !defined(CRNLIB_ANSI_CPLUSPLUS)
+   // MSVC or MinGW, x86 or x64, Win32 API's for threading and Win32 Interlocked API's or GCC built-ins for atomic ops.
    #ifdef NDEBUG
       // Ensure checked iterators are disabled.
       #define _SECURE_SCL 0
       #define _HAS_ITERATOR_DEBUGGING 0
    #endif
-
    #ifndef _DLL
       // If we're using the DLL form of the run-time libs, we're also going to be enabling exceptions because we'll be building CLR apps.
-      // Otherwise, we disable exceptions for a small (up to 5%) speed boost.
+      // Otherwise, we disable exceptions for a small speed boost.
       #define _HAS_EXCEPTIONS 0
    #endif
-#endif
-
-   //#define _CRT_SECURE_NO_WARNINGS
    #define NOMINMAX
 
-   #define CRNLIB_PLATFORM_PC 1
-
-   #ifdef _WIN64
-      #define CRNLIB_PLATFORM_PC_X64 1
-   #else
-      #define CRNLIB_PLATFORM_PC_X86 1
-   #endif
-
    #define CRNLIB_USE_WIN32_API 1
 
-   #ifdef _WIN64
+   #if defined(__MINGW32__) || defined(__MINGW64__)
+      #define CRNLIB_USE_GCC_ATOMIC_BUILTINS 1
+   #else
+      #define CRNLIB_USE_WIN32_ATOMIC_FUNCTIONS 1
+   #endif
+
+   #define CRNLIB_PLATFORM_PC 1
+
+   #if defined(_WIN64) || defined(__MINGW64__) || defined(_LP64) || defined(__LP64__)
       #define CRNLIB_PLATFORM_PC_X64 1
       #define CRNLIB_64BIT_POINTERS 1
       #define CRNLIB_CPU_HAS_64BIT_REGISTERS 1
@@ -48,15 +44,99 @@
       #define CRNLIB_CPU_HAS_64BIT_REGISTERS 0
       #define CRNLIB_LITTLE_ENDIAN_CPU 1
    #endif
+
+   #define CRNLIB_USE_UNALIGNED_INT_LOADS 1
+   #define CRNLIB_RESTRICT __restrict
+   #define CRNLIB_FORCE_INLINE __forceinline
+
+   #if defined(_MSC_VER) || defined(__MINGW32__) || defined(__MINGW64__)
+      #define CRNLIB_USE_MSVC_INTRINSICS 1
+   #endif
+
+   #define CRNLIB_INT64_FORMAT_SPECIFIER "%I64i"
+   #define CRNLIB_UINT64_FORMAT_SPECIFIER "%I64u"
+
+   #define CRNLIB_STDCALL __stdcall
+   #define CRNLIB_MEMORY_IMPORT_BARRIER
+   #define CRNLIB_MEMORY_EXPORT_BARRIER
+#elif defined(__GNUC__) && !defined(CRNLIB_ANSI_CPLUSPLUS)
+   // GCC x86 or x64, pthreads for threading and GCC built-ins for atomic ops.
+   #define CRNLIB_PLATFORM_PC 1
+
+   #if defined(_WIN64) || defined(__MINGW64__) || defined(_LP64) || defined(__LP64__)
+      #define CRNLIB_PLATFORM_PC_X64 1
+      #define CRNLIB_64BIT_POINTERS 1
+      #define CRNLIB_CPU_HAS_64BIT_REGISTERS 1
+   #else
+      #define CRNLIB_PLATFORM_PC_X86 1
+      #define CRNLIB_64BIT_POINTERS 0
+      #define CRNLIB_CPU_HAS_64BIT_REGISTERS 0
+   #endif
+
+   #define CRNLIB_USE_UNALIGNED_INT_LOADS 1
+
+   #define CRNLIB_LITTLE_ENDIAN_CPU 1
+
+   #define CRNLIB_USE_PTHREADS_API 1
+   #define CRNLIB_USE_GCC_ATOMIC_BUILTINS 1
+
+   #define CRNLIB_RESTRICT
+
+   #define CRNLIB_FORCE_INLINE inline __attribute__((__always_inline__,__gnu_inline__))
+
+   #define CRNLIB_INT64_FORMAT_SPECIFIER "%lli"
+   #define CRNLIB_UINT64_FORMAT_SPECIFIER "%llu"
+
+   #define CRNLIB_STDCALL
+   #define CRNLIB_MEMORY_IMPORT_BARRIER
+   #define CRNLIB_MEMORY_EXPORT_BARRIER
+#else
+   // Vanilla ANSI-C/C++
+   // No threading support, unaligned loads are NOT okay.
+   #if defined(_WIN64) || defined(__MINGW64__) || defined(_LP64) || defined(__LP64__)
+      #define CRNLIB_64BIT_POINTERS 1
+      #define CRNLIB_CPU_HAS_64BIT_REGISTERS 1
+   #else
+      #define CRNLIB_64BIT_POINTERS 0
+      #define CRNLIB_CPU_HAS_64BIT_REGISTERS 0
+   #endif
+
+   #define CRNLIB_USE_UNALIGNED_INT_LOADS 0
+
+   #if __BIG_ENDIAN__
+      #define CRNLIB_BIG_ENDIAN_CPU 1
+   #else
+      #define CRNLIB_LITTLE_ENDIAN_CPU 1
+   #endif
+
+   #define CRNLIB_USE_GCC_ATOMIC_BUILTINS 0
+   #define CRNLIB_USE_WIN32_ATOMIC_FUNCTIONS 0
+
+   #define CRNLIB_RESTRICT
+   #define CRNLIB_FORCE_INLINE inline
+
+   #define CRNLIB_INT64_FORMAT_SPECIFIER "%I64i"
+   #define CRNLIB_UINT64_FORMAT_SPECIFIER "%I64u"
+
+   #define CRNLIB_STDCALL
+   #define CRNLIB_MEMORY_IMPORT_BARRIER
+   #define CRNLIB_MEMORY_EXPORT_BARRIER
 #endif
 
+#define CRNLIB_SLOW_STRING_LEN_CHECKS 1
+
 #include <stdlib.h>
+#include <stdio.h>
 #include <limits.h>
 #include <math.h>
 #include <stdarg.h>
 #include <string.h>
 #include <algorithm>
 #include <locale>
+#include <memory.h>
+#include <limits.h>
+#include <algorithm>
+#include <errno.h>
 
 #ifdef min
    #undef min
@@ -78,16 +158,15 @@
    #ifndef NDEBUG
       #define NDEBUG
    #endif
+
+    #ifdef DEBUG
+      #error DEBUG cannot be defined in CRNLIB_BUILD_RELEASE
+   #endif
 #endif
 
-#include "crn_platform.h"
-
-#if defined(WIN32)
-   #include "crn_mutex.h"
-#endif
-
-#include "crn_assert.h"
 #include "crn_types.h"
+#include "crn_assert.h"
+#include "crn_platform.h"
 #include "crn_helpers.h"
 #include "crn_traits.h"
 #include "crn_mem.h"
@@ -95,9 +174,5 @@
 #include "crn_utils.h"
 #include "crn_hash.h"
 #include "crn_vector.h"
-#include "crn_win32_timer.h"
-#include "crn_win32_threading.h"
+#include "crn_timer.h"
 #include "crn_dynamic_string.h"
-#include "crn_dynamic_wstring.h"
-
-