Merge 'mstorjo/master' into dabplus

This adds support for AArch64 and other improvements
listed in the ChangeLog

29 files changed, 1598 insertions, 148 deletions

diff --git a/Android.bp b/Android.bp
new file mode 100644
index 0000000..75fe8af
--- /dev/null
+++ b/Android.bp
@@ -0,0 +1,32 @@
+cc_library_static {
+    name: "libFraunhoferAAC",
+    srcs: [
+        "libAACdec/src/*.cpp",
+        "libAACenc/src/*.cpp",
+        "libPCMutils/src/*.cpp",
+        "libFDK/src/*.cpp",
+        "libSYS/src/*.cpp",
+        "libMpegTPDec/src/*.cpp",
+        "libMpegTPEnc/src/*.cpp",
+        "libSBRdec/src/*.cpp",
+        "libSBRenc/src/*.cpp",
+    ],
+    cflags: [
+        "-Wno-sequence-point",
+        "-Wno-extra",
+        "-Wno-#warnings",
+        "-Wno-constant-logical-operand",
+        "-Wno-self-assign",
+    ],
+    export_include_dirs: [
+        "libAACdec/include",
+        "libAACenc/include",
+        "libPCMutils/include",
+        "libFDK/include",
+        "libSYS/include",
+        "libMpegTPDec/include",
+        "libMpegTPEnc/include",
+        "libSBRdec/include",
+        "libSBRenc/include",
+    ],
+}
diff --git a/Android.mk b/Android.mk
deleted file mode 100644
index 519e820..0000000
--- a/Android.mk
+++ /dev/null
@@ -1,61 +0,0 @@
-LOCAL_PATH:= $(call my-dir)
-include $(CLEAR_VARS)
-
-aacdec_sources := $(sort $(wildcard $(LOCAL_PATH)/libAACdec/src/*.cpp))
-aacdec_sources := $(aacdec_sources:$(LOCAL_PATH)/libAACdec/src/%=%)
-
-aacenc_sources := $(sort $(wildcard $(LOCAL_PATH)/libAACenc/src/*.cpp))
-aacenc_sources := $(aacenc_sources:$(LOCAL_PATH)/libAACenc/src/%=%)
-
-pcmutils_sources := $(sort $(wildcard $(LOCAL_PATH)/libPCMutils/src/*.cpp))
-pcmutils_sources := $(pcmutils_sources:$(LOCAL_PATH)/libPCMutils/src/%=%)
-
-fdk_sources := $(sort $(wildcard $(LOCAL_PATH)/libFDK/src/*.cpp))
-fdk_sources := $(fdk_sources:$(LOCAL_PATH)/libFDK/src/%=%)
-
-sys_sources := $(sort $(wildcard $(LOCAL_PATH)/libSYS/src/*.cpp))
-sys_sources := $(sys_sources:$(LOCAL_PATH)/libSYS/src/%=%)
-
-mpegtpdec_sources := $(sort $(wildcard $(LOCAL_PATH)/libMpegTPDec/src/*.cpp))
-mpegtpdec_sources := $(mpegtpdec_sources:$(LOCAL_PATH)/libMpegTPDec/src/%=%)
-
-mpegtpenc_sources := $(sort $(wildcard $(LOCAL_PATH)/libMpegTPEnc/src/*.cpp))
-mpegtpenc_sources := $(mpegtpenc_sources:$(LOCAL_PATH)/libMpegTPEnc/src/%=%)
-
-sbrdec_sources := $(sort $(wildcard $(LOCAL_PATH)/libSBRdec/src/*.cpp))
-sbrdec_sources := $(sbrdec_sources:$(LOCAL_PATH)/libSBRdec/src/%=%)
-
-sbrenc_sources := $(sort $(wildcard $(LOCAL_PATH)/libSBRenc/src/*.cpp))
-sbrenc_sources := $(sbrenc_sources:$(LOCAL_PATH)/libSBRenc/src/%=%)
-
-LOCAL_SRC_FILES := \
-        $(aacdec_sources:%=libAACdec/src/%) \
-        $(aacenc_sources:%=libAACenc/src/%) \
-        $(pcmutils_sources:%=libPCMutils/src/%) \
-        $(fdk_sources:%=libFDK/src/%) \
-        $(sys_sources:%=libSYS/src/%) \
-        $(mpegtpdec_sources:%=libMpegTPDec/src/%) \
-        $(mpegtpenc_sources:%=libMpegTPEnc/src/%) \
-        $(sbrdec_sources:%=libSBRdec/src/%) \
-        $(sbrenc_sources:%=libSBRenc/src/%)
-
-LOCAL_CFLAGS += -Wno-sequence-point -Wno-extra
-LOCAL_CFLAGS += "-Wno-\#warnings" -Wno-constant-logical-operand -Wno-self-assign
-
-LOCAL_C_INCLUDES := \
-        $(LOCAL_PATH)/libAACdec/include \
-        $(LOCAL_PATH)/libAACenc/include \
-        $(LOCAL_PATH)/libPCMutils/include \
-        $(LOCAL_PATH)/libFDK/include \
-        $(LOCAL_PATH)/libSYS/include \
-        $(LOCAL_PATH)/libMpegTPDec/include \
-        $(LOCAL_PATH)/libMpegTPEnc/include \
-        $(LOCAL_PATH)/libSBRdec/include \
-        $(LOCAL_PATH)/libSBRenc/include
-
-
-LOCAL_CPPFLAGS += -std=c++98
-
-LOCAL_MODULE:= libFraunhoferAAC
-
-include $(BUILD_STATIC_LIBRARY)
diff --git a/ChangeLog b/ChangeLog
index 9a5f4e5..b544ece 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+0.1.5
+ - Updated upstream sources
+ - Fixed building with GCC 3.3 and 3.4
+ - Fixed building with GCC 6
+ - AArch64 optimizations
+ - Makefiles for building with MSVC
+ - Support building the code in C++11 mode
+
 0.1.4
  - Updated upstream sources, with minor changes to the decoder API
    breaking the ABI. (Calling code using AUDIO_CHANNEL_TYPE may need to
diff --git a/Makefile.am b/Makefile.am
index 5cd4b3a..11fbef1 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -12,7 +12,7 @@ AM_CPPFLAGS = \
     -I$(top_srcdir)/libFDK/include \
     -I$(top_srcdir)/libPCMutils/include
 
-AM_CXXFLAGS = -fno-exceptions -fno-rtti -std=c++98
+AM_CXXFLAGS = -fno-exceptions -fno-rtti
 libfdk_aac_la_LINK = $(LINK) $(libfdk_aac_la_LDFLAGS)
 # Mention a dummy pure C file to trigger generation of the $(LINK) variable
 nodist_EXTRA_libfdk_aac_la_SOURCES = dummy.c
@@ -187,9 +187,11 @@ libfdk_aac_la_SOURCES = \
 
 EXTRA_DIST = \
     $(top_srcdir)/autogen.sh \
+    $(top_srcdir)/MODULE_LICENSE_FRAUNHOFER \
     $(top_srcdir)/NOTICE \
     $(top_srcdir)/Android.mk \
     $(top_srcdir)/fdk-aac.sym \
+    $(top_srcdir)/Makefile.vc \
     $(top_srcdir)/documentation/*.pdf \
     $(top_srcdir)/libAACdec/src/*.h \
     $(top_srcdir)/libAACdec/src/arm/*.cpp \
@@ -210,10 +212,12 @@ EXTRA_DIST = \
     $(top_srcdir)/libMpegTPDec/src/*.h \
     $(top_srcdir)/libMpegTPDec/src/version \
     $(top_srcdir)/libFDK/include/*.h \
+    $(top_srcdir)/libFDK/include/aarch64/*.h \
     $(top_srcdir)/libFDK/include/arm/*.h \
     $(top_srcdir)/libFDK/include/mips/*.h \
     $(top_srcdir)/libFDK/include/ppc/*.h \
     $(top_srcdir)/libFDK/include/x86/*.h \
     $(top_srcdir)/libFDK/src/arm/*.cpp \
-    $(top_srcdir)/libFDK/src/mips/*.cpp
+    $(top_srcdir)/libFDK/src/mips/*.cpp \
+    $(top_srcdir)/win32/*.h
 
diff --git a/Makefile.vc b/Makefile.vc
new file mode 100644
index 0000000..6fccb9c
--- /dev/null
+++ b/Makefile.vc
@@ -0,0 +1,250 @@
+#
+# Options:
+# prefix=\path\to\install
+#
+# Compiling:  nmake -f Makefile.vc
+# Installing: nmake -f Makefile.vc prefix=\path\to\x install
+#
+
+VERSION=0.1.5
+
+# Linker and librarian commands
+LD = link
+AR = lib
+
+!IFDEF HOME
+# In case we are using a cross compiler shell.
+MKDIR_FLAGS = -p
+!ENDIF
+
+AM_CPPFLAGS = \
+    -Iwin32 \
+    -IlibAACdec/include \
+    -IlibAACenc/include \
+    -IlibSBRdec/include \
+    -IlibSBRenc/include \
+    -IlibMpegTPDec/include \
+    -IlibMpegTPEnc/include \
+    -IlibSYS/include \
+    -IlibFDK/include \
+    -IlibPCMutils/include
+
+AACDEC_SRC = \
+    libAACdec/src/aacdec_drc.cpp \
+    libAACdec/src/aacdec_hcr.cpp \
+    libAACdec/src/aacdecoder.cpp \
+    libAACdec/src/aacdec_pns.cpp \
+    libAACdec/src/aac_ram.cpp \
+    libAACdec/src/block.cpp \
+    libAACdec/src/channelinfo.cpp \
+    libAACdec/src/ldfiltbank.cpp \
+    libAACdec/src/rvlcbit.cpp \
+    libAACdec/src/rvlc.cpp \
+    libAACdec/src/aacdec_hcr_bit.cpp \
+    libAACdec/src/aacdec_hcrs.cpp \
+    libAACdec/src/aacdecoder_lib.cpp \
+    libAACdec/src/aacdec_tns.cpp \
+    libAACdec/src/aac_rom.cpp \
+    libAACdec/src/channel.cpp \
+    libAACdec/src/conceal.cpp \
+    libAACdec/src/pulsedata.cpp \
+    libAACdec/src/rvlcconceal.cpp \
+    libAACdec/src/stereo.cpp
+
+AACENC_SRC = \
+    libAACenc/src/aacenc.cpp \
+    libAACenc/src/aacEnc_ram.cpp \
+    libAACenc/src/band_nrg.cpp \
+    libAACenc/src/block_switch.cpp \
+    libAACenc/src/grp_data.cpp \
+    libAACenc/src/metadata_main.cpp \
+    libAACenc/src/pre_echo_control.cpp \
+    libAACenc/src/quantize.cpp \
+    libAACenc/src/tonality.cpp \
+    libAACenc/src/aacEnc_rom.cpp \
+    libAACenc/src/bandwidth.cpp \
+    libAACenc/src/channel_map.cpp \
+    libAACenc/src/intensity.cpp \
+    libAACenc/src/ms_stereo.cpp \
+    libAACenc/src/psy_configuration.cpp \
+    libAACenc/src/sf_estim.cpp \
+    libAACenc/src/transform.cpp \
+    libAACenc/src/aacenc_lib.cpp \
+    libAACenc/src/aacenc_tns.cpp \
+    libAACenc/src/bit_cnt.cpp \
+    libAACenc/src/chaosmeasure.cpp \
+    libAACenc/src/line_pe.cpp \
+    libAACenc/src/noisedet.cpp \
+    libAACenc/src/psy_main.cpp \
+    libAACenc/src/spreading.cpp \
+    libAACenc/src/aacenc_pns.cpp \
+    libAACenc/src/adj_thr.cpp \
+    libAACenc/src/bitenc.cpp \
+    libAACenc/src/dyn_bits.cpp \
+    libAACenc/src/metadata_compressor.cpp \
+    libAACenc/src/pnsparam.cpp \
+    libAACenc/src/qc_main.cpp
+
+FDK_SRC = \
+    libFDK/src/autocorr2nd.cpp \
+    libFDK/src/dct.cpp \
+    libFDK/src/FDK_bitbuffer.cpp \
+    libFDK/src/FDK_core.cpp \
+    libFDK/src/FDK_crc.cpp \
+    libFDK/src/FDK_hybrid.cpp \
+    libFDK/src/FDK_tools_rom.cpp \
+    libFDK/src/FDK_trigFcts.cpp \
+    libFDK/src/fft.cpp \
+    libFDK/src/fft_rad2.cpp \
+    libFDK/src/fixpoint_math.cpp \
+    libFDK/src/mdct.cpp \
+    libFDK/src/qmf.cpp \
+    libFDK/src/scale.cpp \
+
+MPEGTPDEC_SRC = \
+    libMpegTPDec/src/tpdec_adif.cpp \
+    libMpegTPDec/src/tpdec_adts.cpp \
+    libMpegTPDec/src/tpdec_asc.cpp \
+    libMpegTPDec/src/tpdec_drm.cpp \
+    libMpegTPDec/src/tpdec_latm.cpp \
+    libMpegTPDec/src/tpdec_lib.cpp
+
+MPEGTPENC_SRC = \
+    libMpegTPEnc/src/tpenc_adif.cpp \
+    libMpegTPEnc/src/tpenc_adts.cpp \
+    libMpegTPEnc/src/tpenc_asc.cpp \
+    libMpegTPEnc/src/tpenc_latm.cpp \
+    libMpegTPEnc/src/tpenc_lib.cpp
+
+PCMUTILS_SRC = \
+    libPCMutils/src/limiter.cpp \
+    libPCMutils/src/pcmutils_lib.cpp
+
+SBRDEC_SRC = \
+    libSBRdec/src/env_calc.cpp \
+    libSBRdec/src/env_dec.cpp \
+    libSBRdec/src/env_extr.cpp \
+    libSBRdec/src/huff_dec.cpp \
+    libSBRdec/src/lpp_tran.cpp \
+    libSBRdec/src/psbitdec.cpp \
+    libSBRdec/src/psdec.cpp \
+    libSBRdec/src/psdec_hybrid.cpp \
+    libSBRdec/src/sbr_crc.cpp \
+    libSBRdec/src/sbr_deb.cpp \
+    libSBRdec/src/sbr_dec.cpp \
+    libSBRdec/src/sbrdec_drc.cpp \
+    libSBRdec/src/sbrdec_freq_sca.cpp \
+    libSBRdec/src/sbrdecoder.cpp \
+    libSBRdec/src/sbr_ram.cpp \
+    libSBRdec/src/sbr_rom.cpp
+
+SBRENC_SRC = \
+    libSBRenc/src/bit_sbr.cpp \
+    libSBRenc/src/env_bit.cpp \
+    libSBRenc/src/fram_gen.cpp \
+    libSBRenc/src/mh_det.cpp \
+    libSBRenc/src/ps_bitenc.cpp \
+    libSBRenc/src/ps_encode.cpp \
+    libSBRenc/src/resampler.cpp \
+    libSBRenc/src/sbr_encoder.cpp \
+    libSBRenc/src/sbr_ram.cpp \
+    libSBRenc/src/ton_corr.cpp \
+    libSBRenc/src/code_env.cpp \
+    libSBRenc/src/env_est.cpp \
+    libSBRenc/src/invf_est.cpp \
+    libSBRenc/src/nf_est.cpp \
+    libSBRenc/src/ps_main.cpp \
+    libSBRenc/src/sbrenc_freq_sca.cpp \
+    libSBRenc/src/sbr_misc.cpp \
+    libSBRenc/src/sbr_rom.cpp \
+    libSBRenc/src/tran_det.cpp
+
+SYS_SRC = \
+    libSYS/src/cmdl_parser.cpp \
+    libSYS/src/conv_string.cpp \
+    libSYS/src/genericStds.cpp \
+    libSYS/src/wav_file.cpp
+
+libfdk_aac_SOURCES = \
+    $(AACDEC_SRC) $(AACENC_SRC) \
+    $(MPEGTPDEC_SRC) $(MPEGTPENC_SRC) \
+    $(SBRDEC_SRC) $(SBRENC_SRC) \
+    $(PCMUTILS_SRC) $(FDK_SRC) $(SYS_SRC)
+
+
+aac_enc_SOURCES = aac-enc.c wavreader.c
+
+prefix = \usr\local
+prefix_win = $(prefix:/=\)	# In case we are using MSYS or MinGW.
+
+CFLAGS   = /nologo /W3 /Ox /MT /EHsc /Dinline=__inline $(TARGET_FLAGS) $(AM_CPPFLAGS) $(XCFLAGS)
+CXXFLAGS = $(CFLAGS)
+CPPFLAGS = $(CFLAGS)
+LDFLAGS  = -nologo $(XLDFLAGS)
+ARFLAGS  = -nologo
+
+incdir = $(prefix_win)\include\fdk-aac
+bindir = $(prefix_win)\bin
+libdir = $(prefix_win)\lib
+
+INST_DIRS = $(bindir) $(incdir) $(libdir)
+
+LIB_DEF    = fdk-aac.def
+STATIC_LIB = fdk-aac.lib
+SHARED_LIB = fdk-aac-1.dll
+IMP_LIB    = fdk-aac.dll.lib
+
+AAC_ENC_OBJS = $(aac_enc_SOURCES:.c=.obj)
+FDK_OBJS     = $(libfdk_aac_SOURCES:.cpp=.obj)
+
+PROGS = aac-enc.exe
+
+
+
+all: $(LIB_DEF) $(STATIC_LIB) $(SHARED_LIB) $(IMP_LIB) $(PROGS)
+
+clean:
+	del /f $(LIB_DEF) $(STATIC_LIB) $(SHARED_LIB) $(IMP_LIB) $(PROGS) libfdk-aac.pc 2>NUL
+	del /f *.obj *.exp 2>NUL
+	del /f libAACdec\src\*.obj 2>NUL
+	del /f libAACenc\src\*.obj 2>NUL
+	del /f libFDK\src\*.obj 2>NUL
+	del /f libMpegTPDec\src\*.obj 2>NUL
+	del /f libMpegTPEnc\src\*.obj 2>NUL
+	del /f libPCMutils\src\*.obj 2>NUL
+	del /f libSBRdec\src\*.obj 2>NUL
+	del /f libSBRenc\src\*.obj 2>NUL
+	del /f libSYS\src\*.obj 2>NUL
+
+install: $(INST_DIRS)
+	copy libAACdec\include\aacdecoder_lib.h $(incdir)
+	copy libAACenc\include\aacenc_lib.h $(incdir)
+	copy libSYS\include\FDK_audio.h $(incdir)
+	copy libSYS\include\genericStds.h $(incdir)
+	copy libSYS\include\machine_type.h $(incdir)
+	copy $(STATIC_LIB) $(libdir)
+	copy $(IMP_LIB) $(libdir)
+	copy $(SHARED_LIB) $(bindir)
+	copy $(PROGS) $(bindir)
+	copy $(LIB_DEF) $(libdir)
+
+$(INST_DIRS):
+	@mkdir $(MKDIR_FLAGS) $@
+
+$(STATIC_LIB): $(FDK_OBJS)
+	$(AR) $(ARFLAGS) -out:$@ $(FDK_OBJS)
+
+$(IMP_LIB): $(SHARED_LIB)
+
+$(SHARED_LIB): $(FDK_OBJS)
+	$(LD) $(LDFLAGS) -OUT:$@ -DEF:$(LIB_DEF) -implib:$(IMP_LIB) -DLL $(FDK_OBJS)
+
+$(PROGS): $(AAC_ENC_OBJS)
+	$(LD) $(LDFLAGS) -out:$@ $(AAC_ENC_OBJS) $(STATIC_LIB)
+
+.cpp.obj:
+	$(CXX) $(CXXFLAGS) -c -Fo$@ $<
+
+$(LIB_DEF):
+	@echo EXPORTS > $(LIB_DEF)
+	@type fdk-aac.sym >> $(LIB_DEF)
diff --git a/aac-enc.c b/aac-enc.c
index 1528881..9365cc9 100644
--- a/aac-enc.c
+++ b/aac-enc.c
@@ -18,7 +18,13 @@
 
 #include <stdio.h>
 #include <stdint.h>
+
+#if defined(_MSC_VER)
+#include <getopt.h>
+#else
 #include <unistd.h>
+#endif
+
 #include <stdlib.h>
 #include "libAACenc/include/aacenc_lib.h"
 #include "wavreader.h"
diff --git a/libAACdec/src/aacdecoder_lib.cpp b/libAACdec/src/aacdecoder_lib.cpp
index 8863da5..50efb0f 100644
--- a/libAACdec/src/aacdecoder_lib.cpp
+++ b/libAACdec/src/aacdecoder_lib.cpp
@@ -791,36 +791,29 @@ LINKSPEC_CPP AAC_DECODER_ERROR aacDecoder_DecodeFrame(
         const UINT         flags)
 {
     AAC_DECODER_ERROR ErrorStatus;
-    INT layer;
-    INT nBits;
-    INT interleaved = self->outputInterleaved;
-    HANDLE_FDK_BITSTREAM hBs;
     int fTpInterruption = 0;  /* Transport originated interruption detection. */
     int fTpConceal = 0;       /* Transport originated concealment. */
-    INT_PCM *pTimeData = NULL;
-    INT timeDataSize = 0;
-
 
     if (self == NULL) {
       return AAC_DEC_INVALID_HANDLE;
     }
-
-    pTimeData = self->pcmOutputBuffer;
-    timeDataSize = sizeof(self->pcmOutputBuffer)/sizeof(*self->pcmOutputBuffer);
+    INT interleaved = self->outputInterleaved;
+    INT_PCM *pTimeData = self->pcmOutputBuffer;
+    INT timeDataSize = sizeof(self->pcmOutputBuffer)/sizeof(*self->pcmOutputBuffer);
 
     if (flags & AACDEC_INTR) {
       self->streamInfo.numLostAccessUnits = 0;
     }
 
-    hBs = transportDec_GetBitstream(self->hInput, 0);
+    HANDLE_FDK_BITSTREAM hBs = transportDec_GetBitstream(self->hInput, 0);
 
     /* Get current bits position for bitrate calculation. */
-    nBits = FDKgetValidBits(hBs);
+    INT nBits = FDKgetValidBits(hBs);
     if (! (flags & (AACDEC_CONCEAL | AACDEC_FLUSH) ) )
     {
       TRANSPORTDEC_ERROR err;
 
-      for(layer = 0; layer < self->nrOfLayers; layer++)
+      for(INT layer = 0; layer < self->nrOfLayers; layer++)
       {
         err = transportDec_ReadAccessUnit(self->hInput, layer);
         if (err != TRANSPORTDEC_OK) {
diff --git a/libAACdec/src/block.cpp b/libAACdec/src/block.cpp
index a19284e..bda565c 100644
--- a/libAACdec/src/block.cpp
+++ b/libAACdec/src/block.cpp
@@ -318,6 +318,9 @@ AAC_DECODER_ERROR CBlock_ReadSectionData(HANDLE_FDK_BITSTREAM bs,
       }
 
       sect_len += sect_len_incr;
+      if (sect_len <= 0) {
+         return AAC_DEC_PARSE_ERROR;
+      }
 
 
       top = band + sect_len;
diff --git a/libAACdec/src/channel.cpp b/libAACdec/src/channel.cpp
index 5475079..4b182e0 100644
--- a/libAACdec/src/channel.cpp
+++ b/libAACdec/src/channel.cpp
@@ -411,11 +411,15 @@ AAC_DECODER_ERROR CChannelElement_Read(HANDLE_FDK_BITSTREAM hBs,
     case drmcrc_end_reg:
       if (pTpDec != NULL) {
         transportDec_CrcEndReg(pTpDec, crcReg1);
+        crcReg1 = -1;
       }
       break;
     case adtscrc_end_reg2:
-      if (pTpDec != NULL) {
+      if (crcReg1 != -1) {
+        error = AAC_DEC_DECODE_FRAME_ERROR;
+      } else if (pTpDec != NULL) {
         transportDec_CrcEndReg(pTpDec, crcReg2);
+        crcReg2 = -1;
       }
       break;
     case drmcrc_start_reg:
@@ -447,5 +451,16 @@ AAC_DECODER_ERROR CChannelElement_Read(HANDLE_FDK_BITSTREAM hBs,
   } while (list->id[i] != end_of_sequence);
 
 bail:
+  if (crcReg1 != -1 || crcReg2 != -1) {
+    if (error == AAC_DEC_OK) {
+      error = AAC_DEC_DECODE_FRAME_ERROR;
+    }
+    if (crcReg1 != -1) {
+      transportDec_CrcEndReg(pTpDec, crcReg1);
+    }
+    if (crcReg2 != -1) {
+      transportDec_CrcEndReg(pTpDec, crcReg2);
+    }
+  }
   return error;
 }
diff --git a/libAACenc/src/metadata_main.cpp b/libAACenc/src/metadata_main.cpp
index e920793..90f8f4e 100644
--- a/libAACenc/src/metadata_main.cpp
+++ b/libAACenc/src/metadata_main.cpp
@@ -488,14 +488,12 @@ static FDK_METADATA_ERROR ProcessCompressor(
 {
     FDK_METADATA_ERROR err = METADATA_OK;
 
-    INT dynrng, compr;
-    DRC_PROFILE profileDrc  = convertProfile(pMetadata->mpegDrc.drc_profile);
-    DRC_PROFILE profileComp = convertProfile(pMetadata->etsiAncData.comp_profile);
-
     if ( (pMetadata==NULL) || (hDrcComp==NULL) ) {
       err = METADATA_INVALID_HANDLE;
       return err;
     }
+    DRC_PROFILE profileDrc  = convertProfile(pMetadata->mpegDrc.drc_profile);
+    DRC_PROFILE profileComp = convertProfile(pMetadata->etsiAncData.comp_profile);
 
     /* first, check if profile is same as last frame
      * otherwise, update setup */
@@ -511,8 +509,8 @@ static FDK_METADATA_ERROR ProcessCompressor(
     }
 
     /* in case of embedding external values, copy this now (limiter may overwrite them) */
-    dynrng = decodeDynrng(pMetadata->mpegDrc.dyn_rng_ctl[0], pMetadata->mpegDrc.dyn_rng_sgn[0]);
-    compr  = decodeCompr(pMetadata->etsiAncData.compression_value);
+    INT dynrng = decodeDynrng(pMetadata->mpegDrc.dyn_rng_ctl[0], pMetadata->mpegDrc.dyn_rng_sgn[0]);
+    INT compr  = decodeCompr(pMetadata->etsiAncData.compression_value);
 
     /* Call compressor */
     if (FDK_DRC_Generator_Calc(hDrcComp,
diff --git a/libFDK/include/FDK_archdef.h b/libFDK/include/FDK_archdef.h
index a831727..23224d5 100644
--- a/libFDK/include/FDK_archdef.h
+++ b/libFDK/include/FDK_archdef.h
@@ -99,7 +99,7 @@ amm-info@iis.fraunhofer.de
 /* Take action against VisualStudio 2005 crosscompile problems. */
 
 /* Use single macro (the GCC built in macro) for architecture identification independent of the particular toolchain */
-#if defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) || (defined(_MSC_VER) && defined(_M_IX86)) || defined (__x86_64__)
+#if defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) || (defined(_MSC_VER) && defined(_M_IX86)) || defined (__x86_64__) || (defined(_MSC_VER) && defined(_M_X64))
 #define __x86__
 #endif
 
@@ -154,7 +154,6 @@ amm-info@iis.fraunhofer.de
 #endif
 
 #ifdef _M_ARM
-#include "cmnintrin.h"
 #include "armintr.h"
 #endif
 
@@ -198,6 +197,14 @@ amm-info@iis.fraunhofer.de
 #undef POW2COEFF_16BIT
 #undef LDCOEFF_16BIT
 
+#elif defined(__aarch64__) || defined(__AARCH64EL__)
+#define ARCH_PREFER_MULT_32x32
+#define ARCH_PREFER_MULT_32x16
+#define SINETABLE_16BIT
+#define POW2COEFF_16BIT
+#define LDCOEFF_16BIT
+#define WINDOWTABLE_16BIT
+
 #elif defined(__x86__)	/* cppp replaced: elif */
 #define ARCH_PREFER_MULT_32x16
 #define SINETABLE_16BIT
diff --git a/libFDK/include/FDK_bitstream.h b/libFDK/include/FDK_bitstream.h
index fc8d7de..d47a750 100644
--- a/libFDK/include/FDK_bitstream.h
+++ b/libFDK/include/FDK_bitstream.h
@@ -212,9 +212,28 @@ FDK_INLINE UINT FDKreadBits(HANDLE_FDK_BITSTREAM hBitStream,
   INT missingBits = numberOfBits - hBitStream->BitsInCache;
   if (missingBits > 0)
   {
-    UINT bits = hBitStream->CacheWord << missingBits;
-    hBitStream->CacheWord = FDK_get32 (&hBitStream->hBitBuf) ;
-    hBitStream->BitsInCache = CACHE_BITS - missingBits;
+    const UINT bits	 = hBitStream->CacheWord << missingBits;
+    const UINT validBits = FDK_getValidBits (&hBitStream->hBitBuf);
+
+    if (validBits >= 32)
+    {
+      hBitStream->CacheWord = FDK_get32 (&hBitStream->hBitBuf) ;
+      hBitStream->BitsInCache = CACHE_BITS - missingBits;
+    }
+    else
+    {
+      hBitStream->CacheWord = FDK_get (&hBitStream->hBitBuf,validBits) ;
+      if (validBits >= missingBits)
+      {
+        hBitStream->BitsInCache = validBits - missingBits;
+      }
+      else
+      {
+        hBitStream->BitsInCache = 0;
+        hBitStream->CacheWord <<= missingBits - validBits;
+      }
+    }
+
     return ( bits | (hBitStream->CacheWord >> hBitStream->BitsInCache)) & BitMask[numberOfBits];
   }
 
@@ -226,10 +245,18 @@ FDK_INLINE UINT FDKreadBits(HANDLE_FDK_BITSTREAM hBitStream,
 
   if (hBitStream->BitsInCache <= numberOfBits)
   {
-    const INT freeBits = (CACHE_BITS-1) - hBitStream->BitsInCache ;
-
-    hBitStream->CacheWord = (hBitStream->CacheWord << freeBits) | FDK_get (&hBitStream->hBitBuf,freeBits) ;
-    hBitStream->BitsInCache += freeBits ;
+    const UINT validBits  = FDK_getValidBits (&hBitStream->hBitBuf) ;
+    const INT  freeBits   = (CACHE_BITS-1) - hBitStream->BitsInCache ;
+    const INT  bitsToRead = (freeBits <= validBits) ? freeBits : validBits ;
+
+    hBitStream->CacheWord = (hBitStream->CacheWord << bitsToRead) | FDK_get (&hBitStream->hBitBuf,bitsToRead) ;
+    hBitStream->BitsInCache += bitsToRead ;
+    if (hBitStream->BitsInCache < numberOfBits)
+    {
+      hBitStream->CacheWord <<= numberOfBits - hBitStream->BitsInCache;
+      hBitStream->BitsInCache = 0;
+      return (hBitStream->CacheWord >> hBitStream->BitsInCache) & validMask ;
+    }
   }
 
   hBitStream->BitsInCache -= numberOfBits ;
@@ -243,8 +270,18 @@ FDK_INLINE UINT FDKreadBit(HANDLE_FDK_BITSTREAM hBitStream)
 #ifdef OPTIMIZE_FDKREADBITS
   if (!hBitStream->BitsInCache)
   {
-    hBitStream->CacheWord = FDK_get32 (&hBitStream->hBitBuf);
-    hBitStream->BitsInCache = CACHE_BITS;
+    const UINT validBits = FDK_getValidBits (&hBitStream->hBitBuf);
+
+    if (validBits >= 32)
+    {
+      hBitStream->CacheWord = FDK_get32 (&hBitStream->hBitBuf);
+      hBitStream->BitsInCache = CACHE_BITS;
+    }
+    else
+    {
+      hBitStream->CacheWord = FDK_get (&hBitStream->hBitBuf,validBits);
+      hBitStream->BitsInCache = validBits;
+    }
   }
   hBitStream->BitsInCache--;
 
@@ -268,10 +305,12 @@ inline UINT FDKread2Bits(HANDLE_FDK_BITSTREAM hBitStream)
   UINT BitsInCache = hBitStream->BitsInCache;
   if (BitsInCache < 2)  /* Comparison changed from 'less-equal' to 'less' */
   {
-    const INT freeBits = (CACHE_BITS-1) - BitsInCache ;
+    const UINT validBits  = FDK_getValidBits (&hBitStream->hBitBuf) ;
+    const INT  freeBits   = (CACHE_BITS-1) - BitsInCache ;
+    const INT  bitsToRead = (freeBits <= validBits) ? freeBits : validBits ;
 
-    hBitStream->CacheWord = (hBitStream->CacheWord << freeBits) | FDK_get (&hBitStream->hBitBuf,freeBits) ;
-    BitsInCache += freeBits;
+    hBitStream->CacheWord = (hBitStream->CacheWord << bitsToRead) | FDK_get (&hBitStream->hBitBuf,bitsToRead) ;
+    BitsInCache += bitsToRead;
   }
   hBitStream->BitsInCache = BitsInCache - 2;
   return (hBitStream->CacheWord >> hBitStream->BitsInCache) & 0x3;
diff --git a/libFDK/include/aarch64/clz_aarch64.h b/libFDK/include/aarch64/clz_aarch64.h
new file mode 100644
index 0000000..6a12d94
--- /dev/null
+++ b/libFDK/include/aarch64/clz_aarch64.h
@@ -0,0 +1,122 @@
+
+/* -----------------------------------------------------------------------------------------------------------
+Software License for The Fraunhofer FDK AAC Codec Library for Android
+
+© Copyright  1995 - 2013 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
+  All rights reserved.
+
+ 1.    INTRODUCTION
+The Fraunhofer FDK AAC Codec Library for Android ("FDK AAC Codec") is software that implements
+the MPEG Advanced Audio Coding ("AAC") encoding and decoding scheme for digital audio.
+This FDK AAC Codec software is intended to be used on a wide variety of Android devices.
+
+AAC's HE-AAC and HE-AAC v2 versions are regarded as today's most efficient general perceptual
+audio codecs. AAC-ELD is considered the best-performing full-bandwidth communications codec by
+independent studies and is widely deployed. AAC has been standardized by ISO and IEC as part
+of the MPEG specifications.
+
+Patent licenses for necessary patent claims for the FDK AAC Codec (including those of Fraunhofer)
+may be obtained through Via Licensing (www.vialicensing.com) or through the respective patent owners
+individually for the purpose of encoding or decoding bit streams in products that are compliant with
+the ISO/IEC MPEG audio standards. Please note that most manufacturers of Android devices already license
+these patent claims through Via Licensing or directly from the patent owners, and therefore FDK AAC Codec
+software may already be covered under those patent licenses when it is used for those licensed purposes only.
+
+Commercially-licensed AAC software libraries, including floating-point versions with enhanced sound quality,
+are also available from Fraunhofer. Users are encouraged to check the Fraunhofer website for additional
+applications information and documentation.
+
+2.    COPYRIGHT LICENSE
+
+Redistribution and use in source and binary forms, with or without modification, are permitted without
+payment of copyright license fees provided that you satisfy the following conditions:
+
+You must retain the complete text of this software license in redistributions of the FDK AAC Codec or
+your modifications thereto in source code form.
+
+You must retain the complete text of this software license in the documentation and/or other materials
+provided with redistributions of the FDK AAC Codec or your modifications thereto in binary form.
+You must make available free of charge copies of the complete source code of the FDK AAC Codec and your
+modifications thereto to recipients of copies in binary form.
+
+The name of Fraunhofer may not be used to endorse or promote products derived from this library without
+prior written permission.
+
+You may not charge copyright license fees for anyone to use, copy or distribute the FDK AAC Codec
+software or your modifications thereto.
+
+Your modified versions of the FDK AAC Codec must carry prominent notices stating that you changed the software
+and the date of any change. For modified versions of the FDK AAC Codec, the term
+"Fraunhofer FDK AAC Codec Library for Android" must be replaced by the term
+"Third-Party Modified Version of the Fraunhofer FDK AAC Codec Library for Android."
+
+3.    NO PATENT LICENSE
+
+NO EXPRESS OR IMPLIED LICENSES TO ANY PATENT CLAIMS, including without limitation the patents of Fraunhofer,
+ARE GRANTED BY THIS SOFTWARE LICENSE. Fraunhofer provides no warranty of patent non-infringement with
+respect to this software.
+
+You may use this FDK AAC Codec software or modifications thereto only for purposes that are authorized
+by appropriate patent licenses.
+
+4.    DISCLAIMER
+
+This FDK AAC Codec software is provided by Fraunhofer on behalf of the copyright holders and contributors
+"AS IS" and WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, including but not limited to the implied warranties
+of merchantability and fitness for a particular purpose. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+CONTRIBUTORS BE LIABLE for any direct, indirect, incidental, special, exemplary, or consequential damages,
+including but not limited to procurement of substitute goods or services; loss of use, data, or profits,
+or business interruption, however caused and on any theory of liability, whether in contract, strict
+liability, or tort (including negligence), arising in any way out of the use of this software, even if
+advised of the possibility of such damage.
+
+5.    CONTACT INFORMATION
+
+Fraunhofer Institute for Integrated Circuits IIS
+Attention: Audio and Multimedia Departments - FDK AAC LL
+Am Wolfsmantel 33
+91058 Erlangen, Germany
+
+www.iis.fraunhofer.de/amm
+amm-info@iis.fraunhofer.de
+----------------------------------------------------------------------------------------------------------- */
+
+/***************************  Fraunhofer IIS FDK Tools  **********************
+
+   Author(s):
+   Description: fixed point intrinsics
+
+******************************************************************************/
+
+#if defined(__aarch64__) || defined(__AARCH64EL__)
+
+#if defined(__GNUC__)
+  /* aarch64 gcc*/
+
+  #define FUNCTION_fixnormz_D
+  #define FUNCTION_fixnorm_D
+
+  inline INT fixnormz_D(LONG value)
+  {
+    INT result;
+    asm("clz %w0, %w1 ": "=r"(result) : "r"(value) );
+    return result;
+  }
+
+  inline INT fixnorm_D(LONG value)
+  {
+    INT result;
+    if (value == 0) {
+      return 0;
+    }
+    if (value < 0) {
+      value = ~value;
+    }
+    result =  fixnormz_D(value);
+    return result - 1;
+  }
+
+#endif /* aarch64 toolchain */
+
+#endif /* __aarch64__ */
+
diff --git a/libFDK/include/aarch64/fixmul_aarch64.h b/libFDK/include/aarch64/fixmul_aarch64.h
new file mode 100644
index 0000000..f87f928
--- /dev/null
+++ b/libFDK/include/aarch64/fixmul_aarch64.h
@@ -0,0 +1,113 @@
+
+/* -----------------------------------------------------------------------------------------------------------
+Software License for The Fraunhofer FDK AAC Codec Library for Android
+
+© Copyright  1995 - 2013 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
+  All rights reserved.
+
+ 1.    INTRODUCTION
+The Fraunhofer FDK AAC Codec Library for Android ("FDK AAC Codec") is software that implements
+the MPEG Advanced Audio Coding ("AAC") encoding and decoding scheme for digital audio.
+This FDK AAC Codec software is intended to be used on a wide variety of Android devices.
+
+AAC's HE-AAC and HE-AAC v2 versions are regarded as today's most efficient general perceptual
+audio codecs. AAC-ELD is considered the best-performing full-bandwidth communications codec by
+independent studies and is widely deployed. AAC has been standardized by ISO and IEC as part
+of the MPEG specifications.
+
+Patent licenses for necessary patent claims for the FDK AAC Codec (including those of Fraunhofer)
+may be obtained through Via Licensing (www.vialicensing.com) or through the respective patent owners
+individually for the purpose of encoding or decoding bit streams in products that are compliant with
+the ISO/IEC MPEG audio standards. Please note that most manufacturers of Android devices already license
+these patent claims through Via Licensing or directly from the patent owners, and therefore FDK AAC Codec
+software may already be covered under those patent licenses when it is used for those licensed purposes only.
+
+Commercially-licensed AAC software libraries, including floating-point versions with enhanced sound quality,
+are also available from Fraunhofer. Users are encouraged to check the Fraunhofer website for additional
+applications information and documentation.
+
+2.    COPYRIGHT LICENSE
+
+Redistribution and use in source and binary forms, with or without modification, are permitted without
+payment of copyright license fees provided that you satisfy the following conditions:
+
+You must retain the complete text of this software license in redistributions of the FDK AAC Codec or
+your modifications thereto in source code form.
+
+You must retain the complete text of this software license in the documentation and/or other materials
+provided with redistributions of the FDK AAC Codec or your modifications thereto in binary form.
+You must make available free of charge copies of the complete source code of the FDK AAC Codec and your
+modifications thereto to recipients of copies in binary form.
+
+The name of Fraunhofer may not be used to endorse or promote products derived from this library without
+prior written permission.
+
+You may not charge copyright license fees for anyone to use, copy or distribute the FDK AAC Codec
+software or your modifications thereto.
+
+Your modified versions of the FDK AAC Codec must carry prominent notices stating that you changed the software
+and the date of any change. For modified versions of the FDK AAC Codec, the term
+"Fraunhofer FDK AAC Codec Library for Android" must be replaced by the term
+"Third-Party Modified Version of the Fraunhofer FDK AAC Codec Library for Android."
+
+3.    NO PATENT LICENSE
+
+NO EXPRESS OR IMPLIED LICENSES TO ANY PATENT CLAIMS, including without limitation the patents of Fraunhofer,
+ARE GRANTED BY THIS SOFTWARE LICENSE. Fraunhofer provides no warranty of patent non-infringement with
+respect to this software.
+
+You may use this FDK AAC Codec software or modifications thereto only for purposes that are authorized
+by appropriate patent licenses.
+
+4.    DISCLAIMER
+
+This FDK AAC Codec software is provided by Fraunhofer on behalf of the copyright holders and contributors
+"AS IS" and WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, including but not limited to the implied warranties
+of merchantability and fitness for a particular purpose. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+CONTRIBUTORS BE LIABLE for any direct, indirect, incidental, special, exemplary, or consequential damages,
+including but not limited to procurement of substitute goods or services; loss of use, data, or profits,
+or business interruption, however caused and on any theory of liability, whether in contract, strict
+liability, or tort (including negligence), arising in any way out of the use of this software, even if
+advised of the possibility of such damage.
+
+5.    CONTACT INFORMATION
+
+Fraunhofer Institute for Integrated Circuits IIS
+Attention: Audio and Multimedia Departments - FDK AAC LL
+Am Wolfsmantel 33
+91058 Erlangen, Germany
+
+www.iis.fraunhofer.de/amm
+amm-info@iis.fraunhofer.de
+----------------------------------------------------------------------------------------------------------- */
+
+/***************************  Fraunhofer IIS FDK Tools  **********************
+
+   Author(s):
+   Description: fixed point intrinsics
+
+******************************************************************************/
+
+#if defined(__aarch64__) || defined(__AARCH64EL__)
+
+#if defined(__GNUC__)	/* cppp replaced: elif */
+/* ARM with GNU compiler */
+
+#define FUNCTION_fixmuldiv2_DD
+
+#define FUNCTION_fixmuldiv2BitExact_DD
+#define fixmuldiv2BitExact_DD(a,b) fixmuldiv2_DD(a,b)
+#define FUNCTION_fixmulBitExact_DD
+#define fixmulBitExact_DD(a,b) fixmul_DD(a,b)
+
+inline INT fixmuldiv2_DD (const INT a, const INT b)
+{
+  INT result ;
+  result = ((long long)a * b)>>32;
+  return result ;
+}
+
+#endif /* defined(__GNUC__) */
+
+#endif /* __aarch64__ */
+
diff --git a/libFDK/include/clz.h b/libFDK/include/clz.h
index 1e79ec8..3a3ead5 100644
--- a/libFDK/include/clz.h
+++ b/libFDK/include/clz.h
@@ -97,6 +97,9 @@ amm-info@iis.fraunhofer.de
 #if defined(__arm__)
 #include "arm/clz_arm.h"
 
+#elif defined(__aarch64__) || defined(__AARCH64EL__)
+#include "aarch64/clz_aarch64.h"
+
 #elif defined(__mips__)	/* cppp replaced: elif */
 #include "mips/clz_mips.h"
 
diff --git a/libFDK/include/fixmul.h b/libFDK/include/fixmul.h
index 39b8d6c..ab978c9 100644
--- a/libFDK/include/fixmul.h
+++ b/libFDK/include/fixmul.h
@@ -98,6 +98,9 @@ amm-info@iis.fraunhofer.de
 #if defined(__arm__)
 #include "arm/fixmul_arm.h"
 
+#elif defined(__aarch64__) || defined(__AARCH64EL__)
+#include "aarch64/fixmul_aarch64.h"
+
 #elif defined(__mips__)	/* cppp replaced: elif */
 #include "mips/fixmul_mips.h"
 
diff --git a/libFDK/src/FDK_bitbuffer.cpp b/libFDK/src/FDK_bitbuffer.cpp
index 680ceae..9076d84 100644
--- a/libFDK/src/FDK_bitbuffer.cpp
+++ b/libFDK/src/FDK_bitbuffer.cpp
@@ -157,6 +157,8 @@ void FDK_ResetBitBuffer ( HANDLE_FDK_BITBUF hBitBuf )
 
 INT  FDK_get (HANDLE_FDK_BITBUF hBitBuf, const UINT numberOfBits)
 {
+  if (numberOfBits == 0 || numberOfBits > hBitBuf->ValidBits) return 0;
+
   UINT byteOffset = hBitBuf->BitNdx >> 3 ;
   UINT bitOffset  = hBitBuf->BitNdx & 0x07 ;
 
@@ -166,22 +168,20 @@ INT  FDK_get (HANDLE_FDK_BITBUF hBitBuf, const UINT numberOfBits)
 
   UINT byteMask = hBitBuf->bufSize - 1 ;
 
-  UINT tx = (hBitBuf->Buffer [ byteOffset    & byteMask] << 24) |
-            (hBitBuf->Buffer [(byteOffset+1) & byteMask] << 16) |
-            (hBitBuf->Buffer [(byteOffset+2) & byteMask] <<  8) |
-             hBitBuf->Buffer [(byteOffset+3) & byteMask];
+  UINT tx =                                hBitBuf->Buffer [ byteOffset    & byteMask] << 24 << bitOffset;
 
-  if (bitOffset)
-  {
-    tx <<= bitOffset;
-    tx |= hBitBuf->Buffer [(byteOffset+4) & byteMask] >> (8-bitOffset);
-  }
+  if (numberOfBits + bitOffset >  8) tx |= hBitBuf->Buffer [(byteOffset+1) & byteMask] << 16 << bitOffset;
+  if (numberOfBits + bitOffset > 16) tx |= hBitBuf->Buffer [(byteOffset+2) & byteMask] <<  8 << bitOffset;
+  if (numberOfBits + bitOffset > 24) tx |= hBitBuf->Buffer [(byteOffset+3) & byteMask]       << bitOffset;
+  if (numberOfBits + bitOffset > 32) tx |= hBitBuf->Buffer [(byteOffset+4) & byteMask] >> (8 - bitOffset);
 
   return (tx >> (32 - numberOfBits)) ;
 }
 
 INT FDK_get32 (HANDLE_FDK_BITBUF hBitBuf)
 {
+  if (hBitBuf->ValidBits < 32) return 0;
+
   UINT BitNdx = hBitBuf->BitNdx + 32;
   if (BitNdx <= hBitBuf->bufBits)
   {
diff --git a/libFDK/src/FDK_tools_rom.cpp b/libFDK/src/FDK_tools_rom.cpp
index 36bf284..a829485 100644
--- a/libFDK/src/FDK_tools_rom.cpp
+++ b/libFDK/src/FDK_tools_rom.cpp
@@ -1260,9 +1260,9 @@ const FIXP_WTP * FDKgetWindowSlope(int length, int shape)
 #define QTCFL(x)  FL2FXCONST_SGL(x)
 #define QTC(x)    FX_DBL2FXCONST_SGL(x)
 #else
-#define QFC(x) (x)
+#define QFC(x) ((FIXP_DBL)(x))
 #define QTCFL(x)  FL2FXCONST_DBL(x)
-#define QTC(x)  (x)
+#define QTC(x)  ((FIXP_DBL)(x))
 #endif /* ARCH_PREFER_MULT_32x16 */
 
 #ifndef LOW_POWER_SBR_ONLY
diff --git a/libFDK/src/dct.cpp b/libFDK/src/dct.cpp
index 3c755bd..1e5b93e 100644
--- a/libFDK/src/dct.cpp
+++ b/libFDK/src/dct.cpp
@@ -324,12 +324,12 @@ void dct_IV(FIXP_DBL *pDat,
   {
     FIXP_DBL *RESTRICT pDat_0 = &pDat[0];
     FIXP_DBL *RESTRICT pDat_1 = &pDat[L - 2];
-    register int i;
+    int i;
 
     /* 29 cycles on ARM926 */
     for (i = 0; i < M-1; i+=2,pDat_0+=2,pDat_1-=2)
     {
-      register FIXP_DBL accu1,accu2,accu3,accu4;
+      FIXP_DBL accu1,accu2,accu3,accu4;
 
       accu1 = pDat_1[1]; accu2 = pDat_0[0];
       accu3 = pDat_0[1]; accu4 = pDat_1[0];
@@ -342,7 +342,7 @@ void dct_IV(FIXP_DBL *pDat,
     }
     if (M&1)
     {
-      register FIXP_DBL accu1,accu2;
+      FIXP_DBL accu1,accu2;
 
       accu1 = pDat_1[1]; accu2 = pDat_0[0];
 
@@ -363,7 +363,7 @@ void dct_IV(FIXP_DBL *pDat,
   {
     FIXP_DBL *RESTRICT pDat_0 = &pDat[0];
     FIXP_DBL *RESTRICT pDat_1 = &pDat[L - 2];
-    register FIXP_DBL accu1,accu2,accu3,accu4;
+    FIXP_DBL accu1,accu2,accu3,accu4;
     int idx, i;
 
     /* Sin and Cos values are 0.0f and 1.0f */
@@ -450,12 +450,12 @@ void dst_IV(FIXP_DBL *pDat,
     FIXP_DBL *RESTRICT pDat_0 = &pDat[0];
     FIXP_DBL *RESTRICT pDat_1 = &pDat[L - 2];
 
-    register int i;
+    int i;
 
     /* 34 cycles on ARM926 */
     for (i = 0; i < M-1; i+=2,pDat_0+=2,pDat_1-=2)
     {
-      register FIXP_DBL accu1,accu2,accu3,accu4;
+      FIXP_DBL accu1,accu2,accu3,accu4;
 
       accu1 =  pDat_1[1]; accu2 = -pDat_0[0];
       accu3 =  pDat_0[1]; accu4 = -pDat_1[0];
@@ -468,7 +468,7 @@ void dst_IV(FIXP_DBL *pDat,
     }
     if (M&1)
     {
-      register FIXP_DBL accu1,accu2;
+      FIXP_DBL accu1,accu2;
 
       accu1 =  pDat_1[1]; accu2 = -pDat_0[0];
 
@@ -488,7 +488,7 @@ void dst_IV(FIXP_DBL *pDat,
   {
     FIXP_DBL *RESTRICT pDat_0;
     FIXP_DBL *RESTRICT pDat_1;
-    register FIXP_DBL accu1,accu2,accu3,accu4;
+    FIXP_DBL accu1,accu2,accu3,accu4;
     int idx, i;
 
     pDat_0 = &pDat[0];
diff --git a/libFDK/src/fixpoint_math.cpp b/libFDK/src/fixpoint_math.cpp
index 30283ff..1bf9366 100644
--- a/libFDK/src/fixpoint_math.cpp
+++ b/libFDK/src/fixpoint_math.cpp
@@ -322,31 +322,31 @@ LNK_SECTION_CODE_L1 FIXP_DBL CalcInvLdData(FIXP_DBL x)
 
     LNK_SECTION_CONSTDATA_L1
     static const FIXP_DBL ldIntCoeff[] = {
-      0x80000001, 0x00000000, 0x02000000, 0x032b8034, 0x04000000, 0x04a4d3c2, 0x052b8034, 0x059d5da0,
-      0x06000000, 0x06570069, 0x06a4d3c2, 0x06eb3a9f, 0x072b8034, 0x0766a009, 0x079d5da0, 0x07d053f7,
-      0x08000000, 0x082cc7ee, 0x08570069, 0x087ef05b, 0x08a4d3c2, 0x08c8ddd4, 0x08eb3a9f, 0x090c1050,
-      0x092b8034, 0x0949a785, 0x0966a009, 0x0982809d, 0x099d5da0, 0x09b74949, 0x09d053f7, 0x09e88c6b,
-      0x0a000000, 0x0a16bad3, 0x0a2cc7ee, 0x0a423162, 0x0a570069, 0x0a6b3d79, 0x0a7ef05b, 0x0a92203d,
-      0x0aa4d3c2, 0x0ab7110e, 0x0ac8ddd4, 0x0ada3f60, 0x0aeb3a9f, 0x0afbd42b, 0x0b0c1050, 0x0b1bf312,
-      0x0b2b8034, 0x0b3abb40, 0x0b49a785, 0x0b584822, 0x0b66a009, 0x0b74b1fd, 0x0b82809d, 0x0b900e61,
-      0x0b9d5da0, 0x0baa708f, 0x0bb74949, 0x0bc3e9ca, 0x0bd053f7, 0x0bdc899b, 0x0be88c6b, 0x0bf45e09,
-      0x0c000000, 0x0c0b73cb, 0x0c16bad3, 0x0c21d671, 0x0c2cc7ee, 0x0c379085, 0x0c423162, 0x0c4caba8,
-      0x0c570069, 0x0c6130af, 0x0c6b3d79, 0x0c7527b9, 0x0c7ef05b, 0x0c88983f, 0x0c92203d, 0x0c9b8926,
-      0x0ca4d3c2, 0x0cae00d2, 0x0cb7110e, 0x0cc0052b, 0x0cc8ddd4, 0x0cd19bb0, 0x0cda3f60, 0x0ce2c97d,
-      0x0ceb3a9f, 0x0cf39355, 0x0cfbd42b, 0x0d03fda9, 0x0d0c1050, 0x0d140ca0, 0x0d1bf312, 0x0d23c41d,
-      0x0d2b8034, 0x0d3327c7, 0x0d3abb40, 0x0d423b08, 0x0d49a785, 0x0d510118, 0x0d584822, 0x0d5f7cff,
-      0x0d66a009, 0x0d6db197, 0x0d74b1fd, 0x0d7ba190, 0x0d82809d, 0x0d894f75, 0x0d900e61, 0x0d96bdad,
-      0x0d9d5da0, 0x0da3ee7f, 0x0daa708f, 0x0db0e412, 0x0db74949, 0x0dbda072, 0x0dc3e9ca, 0x0dca258e,
-      0x0dd053f7, 0x0dd6753e, 0x0ddc899b, 0x0de29143, 0x0de88c6b, 0x0dee7b47, 0x0df45e09, 0x0dfa34e1,
-      0x0e000000, 0x0e05bf94, 0x0e0b73cb, 0x0e111cd2, 0x0e16bad3, 0x0e1c4dfb, 0x0e21d671, 0x0e275460,
-      0x0e2cc7ee, 0x0e323143, 0x0e379085, 0x0e3ce5d8, 0x0e423162, 0x0e477346, 0x0e4caba8, 0x0e51daa8,
-      0x0e570069, 0x0e5c1d0b, 0x0e6130af, 0x0e663b74, 0x0e6b3d79, 0x0e7036db, 0x0e7527b9, 0x0e7a1030,
-      0x0e7ef05b, 0x0e83c857, 0x0e88983f, 0x0e8d602e, 0x0e92203d, 0x0e96d888, 0x0e9b8926, 0x0ea03232,
-      0x0ea4d3c2, 0x0ea96df0, 0x0eae00d2, 0x0eb28c7f, 0x0eb7110e, 0x0ebb8e96, 0x0ec0052b, 0x0ec474e4,
-      0x0ec8ddd4, 0x0ecd4012, 0x0ed19bb0, 0x0ed5f0c4, 0x0eda3f60, 0x0ede8797, 0x0ee2c97d, 0x0ee70525,
-      0x0eeb3a9f, 0x0eef69ff, 0x0ef39355, 0x0ef7b6b4, 0x0efbd42b, 0x0effebcd, 0x0f03fda9, 0x0f0809cf,
-      0x0f0c1050, 0x0f10113b, 0x0f140ca0, 0x0f18028d, 0x0f1bf312, 0x0f1fde3d, 0x0f23c41d, 0x0f27a4c0,
-      0x0f2b8034
+      (FIXP_DBL)0x80000001, (FIXP_DBL)0x00000000, (FIXP_DBL)0x02000000, (FIXP_DBL)0x032b8034, (FIXP_DBL)0x04000000, (FIXP_DBL)0x04a4d3c2, (FIXP_DBL)0x052b8034, (FIXP_DBL)0x059d5da0,
+      (FIXP_DBL)0x06000000, (FIXP_DBL)0x06570069, (FIXP_DBL)0x06a4d3c2, (FIXP_DBL)0x06eb3a9f, (FIXP_DBL)0x072b8034, (FIXP_DBL)0x0766a009, (FIXP_DBL)0x079d5da0, (FIXP_DBL)0x07d053f7,
+      (FIXP_DBL)0x08000000, (FIXP_DBL)0x082cc7ee, (FIXP_DBL)0x08570069, (FIXP_DBL)0x087ef05b, (FIXP_DBL)0x08a4d3c2, (FIXP_DBL)0x08c8ddd4, (FIXP_DBL)0x08eb3a9f, (FIXP_DBL)0x090c1050,
+      (FIXP_DBL)0x092b8034, (FIXP_DBL)0x0949a785, (FIXP_DBL)0x0966a009, (FIXP_DBL)0x0982809d, (FIXP_DBL)0x099d5da0, (FIXP_DBL)0x09b74949, (FIXP_DBL)0x09d053f7, (FIXP_DBL)0x09e88c6b,
+      (FIXP_DBL)0x0a000000, (FIXP_DBL)0x0a16bad3, (FIXP_DBL)0x0a2cc7ee, (FIXP_DBL)0x0a423162, (FIXP_DBL)0x0a570069, (FIXP_DBL)0x0a6b3d79, (FIXP_DBL)0x0a7ef05b, (FIXP_DBL)0x0a92203d,
+      (FIXP_DBL)0x0aa4d3c2, (FIXP_DBL)0x0ab7110e, (FIXP_DBL)0x0ac8ddd4, (FIXP_DBL)0x0ada3f60, (FIXP_DBL)0x0aeb3a9f, (FIXP_DBL)0x0afbd42b, (FIXP_DBL)0x0b0c1050, (FIXP_DBL)0x0b1bf312,
+      (FIXP_DBL)0x0b2b8034, (FIXP_DBL)0x0b3abb40, (FIXP_DBL)0x0b49a785, (FIXP_DBL)0x0b584822, (FIXP_DBL)0x0b66a009, (FIXP_DBL)0x0b74b1fd, (FIXP_DBL)0x0b82809d, (FIXP_DBL)0x0b900e61,
+      (FIXP_DBL)0x0b9d5da0, (FIXP_DBL)0x0baa708f, (FIXP_DBL)0x0bb74949, (FIXP_DBL)0x0bc3e9ca, (FIXP_DBL)0x0bd053f7, (FIXP_DBL)0x0bdc899b, (FIXP_DBL)0x0be88c6b, (FIXP_DBL)0x0bf45e09,
+      (FIXP_DBL)0x0c000000, (FIXP_DBL)0x0c0b73cb, (FIXP_DBL)0x0c16bad3, (FIXP_DBL)0x0c21d671, (FIXP_DBL)0x0c2cc7ee, (FIXP_DBL)0x0c379085, (FIXP_DBL)0x0c423162, (FIXP_DBL)0x0c4caba8,
+      (FIXP_DBL)0x0c570069, (FIXP_DBL)0x0c6130af, (FIXP_DBL)0x0c6b3d79, (FIXP_DBL)0x0c7527b9, (FIXP_DBL)0x0c7ef05b, (FIXP_DBL)0x0c88983f, (FIXP_DBL)0x0c92203d, (FIXP_DBL)0x0c9b8926,
+      (FIXP_DBL)0x0ca4d3c2, (FIXP_DBL)0x0cae00d2, (FIXP_DBL)0x0cb7110e, (FIXP_DBL)0x0cc0052b, (FIXP_DBL)0x0cc8ddd4, (FIXP_DBL)0x0cd19bb0, (FIXP_DBL)0x0cda3f60, (FIXP_DBL)0x0ce2c97d,
+      (FIXP_DBL)0x0ceb3a9f, (FIXP_DBL)0x0cf39355, (FIXP_DBL)0x0cfbd42b, (FIXP_DBL)0x0d03fda9, (FIXP_DBL)0x0d0c1050, (FIXP_DBL)0x0d140ca0, (FIXP_DBL)0x0d1bf312, (FIXP_DBL)0x0d23c41d,
+      (FIXP_DBL)0x0d2b8034, (FIXP_DBL)0x0d3327c7, (FIXP_DBL)0x0d3abb40, (FIXP_DBL)0x0d423b08, (FIXP_DBL)0x0d49a785, (FIXP_DBL)0x0d510118, (FIXP_DBL)0x0d584822, (FIXP_DBL)0x0d5f7cff,
+      (FIXP_DBL)0x0d66a009, (FIXP_DBL)0x0d6db197, (FIXP_DBL)0x0d74b1fd, (FIXP_DBL)0x0d7ba190, (FIXP_DBL)0x0d82809d, (FIXP_DBL)0x0d894f75, (FIXP_DBL)0x0d900e61, (FIXP_DBL)0x0d96bdad,
+      (FIXP_DBL)0x0d9d5da0, (FIXP_DBL)0x0da3ee7f, (FIXP_DBL)0x0daa708f, (FIXP_DBL)0x0db0e412, (FIXP_DBL)0x0db74949, (FIXP_DBL)0x0dbda072, (FIXP_DBL)0x0dc3e9ca, (FIXP_DBL)0x0dca258e,
+      (FIXP_DBL)0x0dd053f7, (FIXP_DBL)0x0dd6753e, (FIXP_DBL)0x0ddc899b, (FIXP_DBL)0x0de29143, (FIXP_DBL)0x0de88c6b, (FIXP_DBL)0x0dee7b47, (FIXP_DBL)0x0df45e09, (FIXP_DBL)0x0dfa34e1,
+      (FIXP_DBL)0x0e000000, (FIXP_DBL)0x0e05bf94, (FIXP_DBL)0x0e0b73cb, (FIXP_DBL)0x0e111cd2, (FIXP_DBL)0x0e16bad3, (FIXP_DBL)0x0e1c4dfb, (FIXP_DBL)0x0e21d671, (FIXP_DBL)0x0e275460,
+      (FIXP_DBL)0x0e2cc7ee, (FIXP_DBL)0x0e323143, (FIXP_DBL)0x0e379085, (FIXP_DBL)0x0e3ce5d8, (FIXP_DBL)0x0e423162, (FIXP_DBL)0x0e477346, (FIXP_DBL)0x0e4caba8, (FIXP_DBL)0x0e51daa8,
+      (FIXP_DBL)0x0e570069, (FIXP_DBL)0x0e5c1d0b, (FIXP_DBL)0x0e6130af, (FIXP_DBL)0x0e663b74, (FIXP_DBL)0x0e6b3d79, (FIXP_DBL)0x0e7036db, (FIXP_DBL)0x0e7527b9, (FIXP_DBL)0x0e7a1030,
+      (FIXP_DBL)0x0e7ef05b, (FIXP_DBL)0x0e83c857, (FIXP_DBL)0x0e88983f, (FIXP_DBL)0x0e8d602e, (FIXP_DBL)0x0e92203d, (FIXP_DBL)0x0e96d888, (FIXP_DBL)0x0e9b8926, (FIXP_DBL)0x0ea03232,
+      (FIXP_DBL)0x0ea4d3c2, (FIXP_DBL)0x0ea96df0, (FIXP_DBL)0x0eae00d2, (FIXP_DBL)0x0eb28c7f, (FIXP_DBL)0x0eb7110e, (FIXP_DBL)0x0ebb8e96, (FIXP_DBL)0x0ec0052b, (FIXP_DBL)0x0ec474e4,
+      (FIXP_DBL)0x0ec8ddd4, (FIXP_DBL)0x0ecd4012, (FIXP_DBL)0x0ed19bb0, (FIXP_DBL)0x0ed5f0c4, (FIXP_DBL)0x0eda3f60, (FIXP_DBL)0x0ede8797, (FIXP_DBL)0x0ee2c97d, (FIXP_DBL)0x0ee70525,
+      (FIXP_DBL)0x0eeb3a9f, (FIXP_DBL)0x0eef69ff, (FIXP_DBL)0x0ef39355, (FIXP_DBL)0x0ef7b6b4, (FIXP_DBL)0x0efbd42b, (FIXP_DBL)0x0effebcd, (FIXP_DBL)0x0f03fda9, (FIXP_DBL)0x0f0809cf,
+      (FIXP_DBL)0x0f0c1050, (FIXP_DBL)0x0f10113b, (FIXP_DBL)0x0f140ca0, (FIXP_DBL)0x0f18028d, (FIXP_DBL)0x0f1bf312, (FIXP_DBL)0x0f1fde3d, (FIXP_DBL)0x0f23c41d, (FIXP_DBL)0x0f27a4c0,
+      (FIXP_DBL)0x0f2b8034
     };
 
 
diff --git a/libFDK/src/qmf.cpp b/libFDK/src/qmf.cpp
index 54526dd..595fe94 100644
--- a/libFDK/src/qmf.cpp
+++ b/libFDK/src/qmf.cpp
@@ -791,6 +791,10 @@ qmfInverseModulationHQ( HANDLE_QMF_FILTER_BANK synQmf,  /*!< Handle of Qmf Synth
     scaleValues(&tImag[0+synQmf->lsb], &qmfImag[0+synQmf->lsb], synQmf->usb-synQmf->lsb, scaleFactorHighBand);
   }
 
+  if (synQmf->usb > synQmf->no_channels) {
+    return;
+  }
+
   FDKmemclear(&tReal[synQmf->usb], (synQmf->no_channels-synQmf->usb)*sizeof(FIXP_QMF));
   FDKmemclear(&tImag[synQmf->usb], (synQmf->no_channels-synQmf->usb)*sizeof(FIXP_QMF));
 
diff --git a/libSBRdec/src/arm/lpp_tran_arm.cpp b/libSBRdec/src/arm/lpp_tran_arm.cpp
index 78bbc2c..028a26f 100644
--- a/libSBRdec/src/arm/lpp_tran_arm.cpp
+++ b/libSBRdec/src/arm/lpp_tran_arm.cpp
@@ -97,7 +97,10 @@ amm-info@iis.fraunhofer.de
 #ifdef FUNCTION_LPPTRANSPOSER_func1
 
 /* Note: This code requires only 43 cycles per iteration instead of 61 on ARM926EJ-S */
-__attribute__ ((noinline)) static void lppTransposer_func1(
+#ifdef __GNUC__
+__attribute__ ((noinline))
+#endif
+static void lppTransposer_func1(
   FIXP_DBL *lowBandReal,
   FIXP_DBL *lowBandImag,
   FIXP_DBL **qmfBufferReal,
diff --git a/libSBRdec/src/env_calc.cpp b/libSBRdec/src/env_calc.cpp
index fa5330a..73bd7ba 100644
--- a/libSBRdec/src/env_calc.cpp
+++ b/libSBRdec/src/env_calc.cpp
@@ -2031,7 +2031,7 @@ static void adjustTimeSlotHQ(
   FIXP_SGL direct_ratio = /*FL2FXCONST_SGL(1.0f) */ (FIXP_SGL)MAXVAL_SGL - smooth_ratio;
   int    index = *ptrPhaseIndex;
   UCHAR   harmIndex = *ptrHarmIndex;
-  register int freqInvFlag = (lowSubband & 1);
+  int freqInvFlag = (lowSubband & 1);
   FIXP_DBL sineLevel;
   int shift;
 
diff --git a/libSBRdec/src/psbitdec.cpp b/libSBRdec/src/psbitdec.cpp
index 29bddf7..ec6e484 100644
--- a/libSBRdec/src/psbitdec.cpp
+++ b/libSBRdec/src/psbitdec.cpp
@@ -498,7 +498,7 @@ ReadPsData (HANDLE_PS_DEC h_ps_d,          /*!< handle to struct PS_DEC */
     h_ps_d->bPsDataAvail[h_ps_d->bsReadSlot] = ppt_none;
     /* discard all remaining bits */
     nBitsLeft -= startbits - FDKgetValidBits(hBitBuf);
-    while (nBitsLeft) {
+    while (nBitsLeft > 0) {
       int i = nBitsLeft;
       if (i>8) {
         i = 8;
diff --git a/libSBRdec/src/sbr_dec.cpp b/libSBRdec/src/sbr_dec.cpp
index 0864348..76009ba 100644
--- a/libSBRdec/src/sbr_dec.cpp
+++ b/libSBRdec/src/sbr_dec.cpp
@@ -940,6 +940,10 @@ resetSbrDec (HANDLE_SBR_DEC hSbrDec,
   FIXP_DBL  **OverlapBufferReal = hSbrDec->QmfBufferReal;
   FIXP_DBL  **OverlapBufferImag = hSbrDec->QmfBufferImag;
 
+  if (!hSbrDec->LppTrans.pSettings) {
+    return SBRDEC_NOT_INITIALIZED;
+  }
+
   /* assign qmf time slots */
   assignTimeSlots( hSbrDec, hHeaderData->numberTimeSlots * hHeaderData->timeStep, useLP);
 
diff --git a/libSBRdec/src/sbr_rom.cpp b/libSBRdec/src/sbr_rom.cpp
index c48ce35..4f2cc48 100644
--- a/libSBRdec/src/sbr_rom.cpp
+++ b/libSBRdec/src/sbr_rom.cpp
@@ -1185,7 +1185,7 @@ const FIXP_DBL Alphas[NO_ICC_LEVELS] = {
 #define  FL2FXCONST_PS FL2FXCONST_SGL
 #else
 #define  FIXP_PS FIXP_DBL
-#define  FXP_CAST
+#define  FXP_CAST(x) ((FIXP_DBL)(x))
 #define  FL2FXCONST_PS FL2FXCONST_DBL
 #endif
 
diff --git a/libSBRenc/src/sbr_encoder.cpp b/libSBRenc/src/sbr_encoder.cpp
index dbaddee..c7c5797 100644
--- a/libSBRenc/src/sbr_encoder.cpp
+++ b/libSBRenc/src/sbr_encoder.cpp
@@ -1939,7 +1939,7 @@ INT sbrEncoder_Init(
 
 
 
-    if ( (aot==AOT_PS) || (aot==AOT_DABPLUS_PS) ) {
+    if ( aot==AOT_PS || aot==AOT_DABPLUS_PS ) {
         usePs = 1;
     }
     if ( aot==AOT_ER_AAC_ELD ) {
diff --git a/libSBRenc/src/tran_det.cpp b/libSBRenc/src/tran_det.cpp
index 33ea60e..0e35ec3 100644
--- a/libSBRenc/src/tran_det.cpp
+++ b/libSBRenc/src/tran_det.cpp
@@ -187,12 +187,12 @@ static FIXP_DBL spectralChange(FIXP_DBL Energies[NUMBER_TIME_SLOTS_2304][MAX_FRE
 
     /* Sum up energies in first half */
     for (i=start; i<border; i++) {
-      accu1 += scaleValue(Energies[i][j], -energies_e_diff[i]);
+      accu1 = fAddSaturate(accu1, scaleValue(Energies[i][j], -energies_e_diff[i]));
     }
 
     /* Sum up energies in second half */
     for (i=border; i<stop; i++) {
-      accu2 += scaleValue(Energies[i][j], -energies_e_diff[i]);
+      accu2 = fAddSaturate(accu2, scaleValue(Energies[i][j], -energies_e_diff[i]));
     }
 
     /* Energy change in current band */
diff --git a/win32/getopt.h b/win32/getopt.h
new file mode 100644
index 0000000..7402521
--- /dev/null
+++ b/win32/getopt.h
@@ -0,0 +1,904 @@
+#ifndef __GETOPT_H__
+/**
+ * DISCLAIMER
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the mingw-w64 runtime package.
+ *
+ * The mingw-w64 runtime package and its code is distributed in the hope that it 
+ * will be useful but WITHOUT ANY WARRANTY.  ALL WARRANTIES, EXPRESSED OR 
+ * IMPLIED ARE HEREBY DISCLAIMED.  This includes but is not limited to 
+ * warranties of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ */
+/* 
+ * Implementation of the `getopt', `getopt_long' and `getopt_long_only'
+ * APIs, for inclusion in the MinGW runtime library.
+ *
+ * This file is part of the MinGW32 package set.
+ *
+ * Written by Keith Marshall <keithmarshall@users.sourceforge.net>
+ * Copyright (C) 2008, 2009, 2011, 2012, MinGW.org Project.
+ *
+ * ---------------------------------------------------------------------------
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice, this permission notice, and the following
+ * disclaimer shall be included in all copies or substantial portions of
+ * the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * ---------------------------------------------------------------------------
+ *
+ */
+ 
+#define __GETOPT_H__
+
+/* All the headers include this file. */
+#include <crtdefs.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern int optind;		/* index of first non-option in argv      */
+extern int optopt;		/* single option character, as parsed     */
+extern int opterr;		/* flag to enable built-in diagnostics... */
+				/* (user may set to zero, to suppress)    */
+
+extern char *optarg;		/* pointer to argument of current option  */
+
+/* Identify how to get the calling program name, for use in messages...
+ */
+#ifdef __CYGWIN__
+/*
+ * CYGWIN uses this DLL reference...
+ */
+# define PROGNAME  __progname
+extern char __declspec(dllimport) *__progname;
+#else
+/*
+ * ...while elsewhere, we simply use the first argument passed.
+ */
+# define PROGNAME  *argv
+#endif
+
+extern int getopt(int nargc, char * const *nargv, const char *options);
+
+#ifdef _BSD_SOURCE
+/*
+ * BSD adds the non-standard `optreset' feature, for reinitialisation
+ * of `getopt' parsing.  We support this feature, for applications which
+ * proclaim their BSD heritage, before including this header; however,
+ * to maintain portability, developers are advised to avoid it.
+ */
+# define optreset  __mingw_optreset
+extern int optreset;
+#endif
+#ifdef __cplusplus
+}
+#endif
+/*
+ * POSIX requires the `getopt' API to be specified in `unistd.h';
+ * thus, `unistd.h' includes this header.  However, we do not want
+ * to expose the `getopt_long' or `getopt_long_only' APIs, when
+ * included in this manner.  Thus, close the standard __GETOPT_H__
+ * declarations block, and open an additional __GETOPT_LONG_H__
+ * specific block, only when *not* __UNISTD_H_SOURCED__, in which
+ * to declare the extended API.
+ */
+#endif /* !defined(__GETOPT_H__) */
+
+#if !defined(__UNISTD_H_SOURCED__) && !defined(__GETOPT_LONG_H__)
+#define __GETOPT_LONG_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct option		/* specification for a long form option...	*/
+{
+  const char *name;		/* option name, without leading hyphens */
+  int         has_arg;		/* does it take an argument?		*/
+  int        *flag;		/* where to save its status, or NULL	*/
+  int         val;		/* its associated status value		*/
+};
+
+enum    		/* permitted values for its `has_arg' field...	*/
+{
+  no_argument = 0,      	/* option never takes an argument	*/
+  required_argument,		/* option always requires an argument	*/
+  optional_argument		/* option may take an argument		*/
+};
+
+extern int getopt_long(int nargc, char * const *nargv, const char *options,
+    const struct option *long_options, int *idx);
+extern int getopt_long_only(int nargc, char * const *nargv, const char *options,
+    const struct option *long_options, int *idx);
+/*
+ * Previous MinGW implementation had...
+ */
+#ifndef HAVE_DECL_GETOPT
+/*
+ * ...for the long form API only; keep this for compatibility.
+ */
+# define HAVE_DECL_GETOPT	1
+#endif
+
+
+
+/* Identify how to get the calling program name, for use in messages...
+ */
+#ifdef __CYGWIN__
+/*
+ * CYGWIN uses this DLL reference...
+ */
+# define PROGNAME  __progname
+extern char __declspec(dllimport) *__progname;
+#else
+/*
+ * ...while elsewhere, we simply use the first argument passed.
+ */
+# define PROGNAME  *argv
+#endif
+
+/* Initialise the public variables. */
+
+int optind = 1;				/* index for first non-option arg     */
+int opterr = 1;				/* enable built-in error messages     */
+
+char *optarg = NULL;			/* pointer to current option argument */
+
+#define CHAR  char			/* argument type selector */
+
+#define getopt_switchar         '-'	/* option prefix character in argv    */
+#define getopt_pluschar         '+'	/* prefix for POSIX mode in optstring */
+#define getopt_takes_argument   ':'	/* marker for optarg in optstring     */
+#define getopt_arg_assign       '='     /* longopt argument field separator   */
+#define getopt_unknown          '?'	/* return code for unmatched option   */
+#define getopt_ordered           1      /* return code for ordered non-option */
+
+#define getopt_all_done         -1	/* return code to indicate completion */
+
+enum
+{ /* All `getopt' API functions are implemented via calls to the
+   * common static function `getopt_parse()'; these `mode' selectors
+   * determine the behaviour of `getopt_parse()', to deliver the
+   * appropriate result in each case.
+   */
+  getopt_mode_standard = 0,	/* getopt()	      */
+  getopt_mode_long,		/* getopt_long()      */
+  getopt_mode_long_only		/* getopt_long_only() */
+};
+
+enum
+{ /* When attempting to match a command line argument to a long form option,
+   * these indicate the status of the match.
+   */
+  getopt_no_match = 0,		/* no successful match			     */
+  getopt_abbreviated_match,	/* argument is an abbreviation for an option */
+  getopt_exact_match		/* argument matches the full option name     */
+};
+
+int optopt = getopt_unknown;	/* return value for option being evaluated   */
+
+/* Some BSD applications expect to be able to reinitialise `getopt' parsing
+ * by setting a global variable called `optreset'.  We provide an obfuscated
+ * API, which allows applications to emulate this brain damage; however, any
+ * use of this is non-portable, and is strongly discouraged.
+ */
+#define optreset  __mingw_optreset
+int optreset = 0;
+
+static
+int getopt_missing_arg( const CHAR *optstring )
+{
+  /* Helper function to determine the appropriate return value,
+   * for the case where a required option argument is missing.
+   */
+  if( (*optstring == getopt_pluschar) || (*optstring == getopt_switchar) )
+    ++optstring;
+  return (*optstring == getopt_takes_argument)
+    ? getopt_takes_argument
+    : getopt_unknown;
+}
+
+/* `complain' macro facilitates the generation of simple built-in
+ * error messages, displayed on various fault conditions, provided
+ * `opterr' is non-zero.
+ */
+#define	complain( MSG, ARG )  if( opterr ) \
+  fprintf( stderr, "%s: "MSG"\n", PROGNAME, ARG )
+
+static
+int getopt_argerror( int mode, char *fmt, CHAR *prog, struct option *opt, int retval )
+{
+  /* Helper function, to generate more complex built-in error
+   * messages, for invalid arguments to long form options ...
+   */
+  if( opterr )
+  {
+    /* ... but, displayed only if `opterr' is non-zero.
+     */
+    char flag[] = "--";
+    if( mode != getopt_mode_long )
+      /*
+       * only display one hyphen, for implicit long form options,
+       * improperly resolved by `getopt_long_only()'.
+       */
+      flag[1] = 0;
+    /*
+     * always preface the program name ...
+     */
+    fprintf( stderr, "%s: ", prog );
+    /*
+     * to the appropriate, option specific message.
+     */
+    fprintf( stderr, fmt, flag, opt->name );
+  }
+  /* Whether displaying the message, or not, always set `optopt'
+   * to identify the faulty option ...
+   */
+  optopt = opt->val;
+  /*
+   * and return the `invalid option' indicator.
+   */
+  return retval;
+}
+
+/* `getopt_conventions' establish behavioural options, to control
+ * the operation of `getopt_parse()', e.g. to select between POSIX
+ * and GNU style argument parsing behaviour.
+ */
+#define getopt_set_conventions  0x1000
+#define getopt_posixly_correct  0x0010
+
+static
+int getopt_conventions( int flags )
+{
+  static int conventions = 0;
+
+  if( (conventions == 0) && ((flags & getopt_set_conventions) == 0) )
+  {
+    /* default conventions have not yet been established;
+     * initialise them now!
+     */
+    conventions = getopt_set_conventions;
+    if( flags == getopt_pluschar )
+      conventions |= getopt_posixly_correct;
+  }
+
+  else if( flags & getopt_set_conventions )
+    /*
+     * default conventions may have already been established,
+     * but this is a specific request to augment them.
+     */
+    conventions |= flags;
+
+  /* in any event, return the currently established conventions.
+   */
+  return conventions;
+}
+
+static
+int is_switchar( CHAR flag )
+{
+  /* A simple helper function, used to identify the switch character
+   * introducing an optional command line argument.
+   */
+  return flag == getopt_switchar;
+}
+
+static
+const CHAR *getopt_match( CHAR lookup, const CHAR *opt_string )
+{
+  /* Helper function, used to identify short form options.
+   */
+  if( (*opt_string == getopt_pluschar) || (*opt_string == getopt_switchar) )
+    ++opt_string;
+  if( *opt_string == getopt_takes_argument )
+    ++opt_string;
+  do if( lookup == *opt_string ) return opt_string;
+     while( *++opt_string );
+  return NULL;
+}
+
+static
+int getopt_match_long( const CHAR *nextchar, const CHAR *optname )
+{
+  /* Helper function, used to identify potential matches for
+   * long form options.
+   */
+  CHAR matchchar;
+  while( (matchchar = *nextchar++) && (matchchar == *optname) )
+    /*
+     * skip over initial substring which DOES match.
+     */
+    ++optname;
+
+  if( matchchar )
+  {
+    /* did NOT match the entire argument to an initial substring
+     * of a defined option name ...
+     */
+    if( matchchar != getopt_arg_assign )
+      /*
+       * ... and didn't stop at an `=' internal field separator,
+       * so this is NOT a possible match.
+       */
+      return getopt_no_match;
+
+    /* DID stop at an `=' internal field separator,
+     * so this IS a possible match, and what follows is an
+     * argument to the possibly matched option.
+     */
+    optarg = (char *)(nextchar);
+  }
+  return *optname
+    /*
+     * if we DIDN'T match the ENTIRE text of the option name,
+     * then it's a possible abbreviated match ...
+     */
+    ? getopt_abbreviated_match
+    /*
+     * but if we DID match the entire option name,
+     * then it's a DEFINITE EXACT match.
+     */
+    : getopt_exact_match;
+}
+
+static
+int getopt_resolved( int mode, int argc, CHAR *const *argv, int *argind,
+struct option *opt, int index, int *retindex, const CHAR *optstring )
+{
+  /* Helper function to establish appropriate return conditions,
+   * on resolution of a long form option.
+   */
+  if( retindex != NULL )
+    *retindex = index;
+
+  /* On return, `optind' should normally refer to the argument, if any,
+   * which follows the current one; it is convenient to set this, before
+   * checking for the presence of any `optarg'.
+   */
+  optind = *argind + 1;
+
+  if( optarg && (opt[index].has_arg == no_argument) )
+    /*
+     * it is an error for the user to specify an option specific argument
+     * with an option which doesn't expect one!
+     */
+    return getopt_argerror( mode, "option `%s%s' doesn't accept an argument\n",
+	PROGNAME, opt + index, getopt_unknown );
+
+  else if( (optarg == NULL) && (opt[index].has_arg == required_argument) )
+  {
+    /* similarly, it is an error if no argument is specified
+     * with an option which requires one ...
+     */
+    if( optind < argc )
+      /*
+       * ... except that the requirement may be satisfied from
+       * the following command line argument, if any ...
+       */
+      optarg = argv[*argind = optind++];
+
+    else
+      /* so fail this case, only if no such argument exists!
+       */
+      return getopt_argerror( mode, "option `%s%s' requires an argument\n",
+	  PROGNAME, opt + index, getopt_missing_arg( optstring ) );
+  }
+
+  /* when the caller has provided a return buffer ...
+   */
+  if( opt[index].flag != NULL )
+  {
+    /* ... then we place the proper return value there,
+     * and return a status code of zero ...
+     */
+    *(opt[index].flag) = opt[index].val;
+    return 0;
+  }
+  /* ... otherwise, the return value becomes the status code.
+   */
+  return opt[index].val;
+}
+
+static
+int getopt_verify( const CHAR *nextchar, const CHAR *optstring )
+{
+  /* Helper function, called by getopt_parse() when invoked
+   * by getopt_long_only(), to verify when an unmatched or an
+   * ambiguously matched long form option string is valid as
+   * a short form option specification.
+   */
+  if( ! (nextchar && *nextchar && optstring && *optstring) )
+    /*
+     * There are no characters to be matched, or there are no
+     * valid short form option characters to which they can be
+     * matched, so this can never be valid.
+     */
+    return 0;
+
+  while( *nextchar )
+  {
+    /* For each command line character in turn ...
+     */
+    const CHAR *test;
+    if( (test = getopt_match( *nextchar++, optstring )) == NULL )
+      /*
+       * ... there is no short form option to match the current
+       * candidate, so the entire argument fails.
+       */
+      return 0;
+
+    if( test[1] == getopt_takes_argument )
+      /*
+       * The current candidate is valid, and it matches an option
+       * which takes an argument, so this command line argument is
+       * a valid short form option specification; accept it.
+       */
+      return 1;
+  }
+  /* If we get to here, then every character in the command line
+   * argument was valid as a short form option; accept it.
+   */
+  return 1;
+}
+
+static
+#define getopt_std_args int argc, CHAR *const argv[], const CHAR *optstring
+int getopt_parse( int mode, getopt_std_args, ... )
+{
+  /* Common core implementation for ALL `getopt' functions.
+   */
+  static int argind = 0;
+  static int optbase = 0;
+  static const CHAR *nextchar = NULL;
+  static int optmark = 0;
+
+  if( (optreset |= (optind < 1)) || (optind < optbase) )
+  {
+    /* POSIX does not prescribe any definitive mechanism for restarting
+     * a `getopt' scan, but some applications may require such capability.
+     * We will support it, by allowing the caller to adjust the value of
+     * `optind' downwards, (nominally setting it to zero).  Since POSIX
+     * wants `optind' to have an initial value of one, but we want all
+     * of our internal place holders to be initialised to zero, when we
+     * are called for the first time, we will handle such a reset by
+     * adjusting all of the internal place holders to one less than
+     * the adjusted `optind' value, (but never to less than zero).
+     */
+    if( optreset )
+    {
+      /* User has explicitly requested reinitialisation...
+       * We need to reset `optind' to it's normal initial value of 1,
+       * to avoid a potential infinitely recursive loop; by doing this
+       * up front, we also ensure that the remaining place holders
+       * will be correctly reinitialised to no less than zero.
+       */
+      optind = 1;
+
+      /* We also need to clear the `optreset' request...
+       */
+      optreset = 0;
+    }
+
+    /* Now, we may safely reinitialise the internal place holders, to
+     * one less than `optind', without fear of making them negative.
+     */
+    optmark = optbase = argind = optind - 1;
+    nextchar = NULL;
+  }
+  
+  /* From a POSIX perspective, the following is `undefined behaviour';
+   * we implement it thus, for compatibility with GNU and BSD getopt.
+   */
+  else if( optind > (argind + 1) )
+  {
+    /* Some applications expect to be able to manipulate `optind',
+     * causing `getopt' to skip over one or more elements of `argv';
+     * POSIX doesn't require us to support this brain-damaged concept;
+     * (indeed, POSIX defines no particular behaviour, in the event of
+     *  such usage, so it must be considered a bug for an application
+     *  to rely on any particular outcome); nonetheless, Mac-OS-X and
+     * BSD actually provide *documented* support for this capability,
+     * so we ensure that our internal place holders keep track of
+     * external `optind' increments; (`argind' must lag by one).
+     */
+    argind = optind - 1;
+
+    /* When `optind' is misused, in this fashion, we also abandon any
+     * residual text in the argument we had been parsing; this is done
+     * without any further processing of such abandoned text, assuming
+     * that the caller is equipped to handle it appropriately.
+     */
+    nextchar = NULL;
+  }
+
+  if( nextchar && *nextchar )
+  {
+    /* we are parsing a standard, or short format, option argument ...
+     */
+    const CHAR *optchar;
+    if( (optchar = getopt_match( optopt = *nextchar++, optstring )) != NULL )
+    {
+      /* we have identified it as valid ...
+       */
+      if( optchar[1] == getopt_takes_argument )
+      {
+	/* and determined that it requires an associated argument ...
+	 */
+	if( ! *(optarg = (char *)(nextchar)) )
+	{
+	  /* the argument is NOT attached ...
+	   */
+	  if( optchar[2] == getopt_takes_argument )
+	    /*
+	     * but this GNU extension marks it as optional,
+	     * so we don't provide one on this occasion.
+	     */
+	    optarg = NULL;
+
+	  /* otherwise this option takes a mandatory argument,
+	   * so, provided there is one available ...
+	   */
+	  else if( (argc - argind) > 1 )
+	    /*
+	     * we take the following command line argument,
+	     * as the appropriate option argument.
+	     */
+	    optarg = argv[++argind];
+
+	  /* but if no further argument is available,
+	   * then there is nothing we can do, except for
+	   * issuing the requisite diagnostic message.
+	   */
+	  else
+	  {
+	    complain( "option requires an argument -- %c", optopt );
+	    return getopt_missing_arg( optstring );
+	  }
+	}
+	optind = argind + 1;
+	nextchar = NULL;
+      }
+      else
+	optarg = NULL;
+      optind = (nextchar && *nextchar) ? argind : argind + 1;
+      return optopt;
+    }
+    /* if we didn't find a valid match for the specified option character,
+     * then we fall through to here, so take appropriate diagnostic action.
+     */
+    if( mode == getopt_mode_long_only )
+    {
+      complain( "unrecognised option `-%s'", --nextchar );
+      nextchar = NULL;
+      optopt = 0;
+    }
+    else
+      complain( "invalid option -- %c", optopt );
+    optind = (nextchar && *nextchar) ? argind : argind + 1;
+    return getopt_unknown;
+  }
+
+  if( optmark > optbase )
+  {
+    /* This can happen, in GNU parsing mode ONLY, when we have
+     * skipped over non-option arguments, and found a subsequent
+     * option argument; in this case we permute the arguments.
+     */
+    int index;
+    /*
+     * `optspan' specifies the number of contiguous arguments
+     * which are spanned by the current option, and so must be
+     * moved together during permutation.
+     */
+    const int optspan = argind - optmark + 1;
+    /*
+     * we use `this_arg' to store these temporarily.
+     */
+    CHAR **this_arg = malloc(sizeof(CHAR*) * optspan);
+    /*
+     * we cannot manipulate `argv' directly, since the `getopt'
+     * API prototypes it as `read-only'; this cast to `arglist'
+     * allows us to work around that restriction.
+     */
+    CHAR **arglist = (char **)(argv);
+
+    /* save temporary copies of the arguments which are associated
+     * with the current option ...
+     */
+    for( index = 0; index < optspan; ++index )
+      this_arg[index] = arglist[optmark + index];
+
+    /* move all preceding non-option arguments to the right,
+     * overwriting these saved arguments, while making space
+     * to replace them in their permuted location.
+     */
+    for( --optmark; optmark >= optbase; --optmark )
+      arglist[optmark + optspan] = arglist[optmark];
+
+    /* restore the temporarily saved option arguments to
+     * their permuted location.
+     */
+    for( index = 0; index < optspan; ++index )
+      arglist[optbase + index] = this_arg[index];
+
+    /* adjust `optbase', to account for the relocated option.
+     */
+    optbase += optspan;
+	
+	free(this_arg);
+  }
+
+  else
+    /* no permutation occurred ...
+     * simply adjust `optbase' for all options parsed so far.
+     */
+    optbase = argind + 1;
+
+  /* enter main parsing loop ...
+   */
+  while( argc > ++argind )
+  {
+    /* inspect each argument in turn, identifying possible options ...
+     */
+    if( is_switchar( *(nextchar = argv[optmark = argind]) ) && *++nextchar )
+    {
+      /* we've found a candidate option argument ... */
+
+      if( is_switchar( *nextchar ) )
+      {
+	/* it's a double hyphen argument ... */
+
+	const CHAR *refchar = nextchar;
+	if( *++refchar )
+	{
+	  /* and it looks like a long format option ...
+	   * `getopt_long' mode must be active to accept it as such,
+	   * `getopt_long_only' also qualifies, but we must downgrade
+	   * it to force explicit handling as a long format option.
+	   */
+	  if( mode >= getopt_mode_long )
+	  {
+	    nextchar = refchar;
+	    mode = getopt_mode_long;
+	  }
+	}
+	else
+	{
+	  /* this is an explicit `--' end of options marker, so wrap up now!
+	   */
+	  if( optmark > optbase )
+	  {
+	    /* permuting the argument list as necessary ...
+	     * (note use of `this_arg' and `arglist', as above).
+	     */
+	    CHAR *this_arg = argv[optmark];
+	    CHAR **arglist = (CHAR **)(argv);
+
+	    /* move all preceding non-option arguments to the right ...
+	     */
+	    do arglist[optmark] = arglist[optmark - 1];
+	       while( optmark-- > optbase );
+
+	    /* reinstate the `--' marker, in its permuted location.
+	     */
+	    arglist[optbase] = this_arg;
+	  }
+	  /* ... before finally bumping `optbase' past the `--' marker,
+	   * and returning the `all done' completion indicator.
+	   */
+	  optind = ++optbase;
+	  return getopt_all_done;
+	}
+      }
+      else if( mode < getopt_mode_long_only )
+      {
+	/* it's not an explicit long option, and `getopt_long_only' isn't active,
+	 * so we must explicitly try to match it as a short option.
+	 */
+	mode = getopt_mode_standard;
+      }
+
+      if( mode >= getopt_mode_long )
+      {
+	/* the current argument is a long form option, (either explicitly,
+	 * introduced by a double hyphen, or implicitly because we were called
+	 * by `getopt_long_only'); this is where we parse it.
+	 */
+	int lookup;
+	int matched = -1;
+
+	/* we need to fetch the `extra' function arguments, which are
+	 * specified for the `getopt_long' APIs.
+	 */
+	va_list refptr;
+	struct option *longopts;
+	int *optindex;
+	va_start( refptr, optstring );
+	longopts = va_arg( refptr, struct option * );
+	optindex = va_arg( refptr, int * );
+	va_end( refptr );
+
+	/* ensuring that `optarg' does not inherit any junk, from parsing
+	 * preceding arguments ...
+	 */
+	optarg = NULL;
+	for( lookup = 0; longopts && longopts[lookup].name; ++lookup )
+	{
+	  /* scan the list of defined long form options ...
+	   */
+          switch( getopt_match_long( nextchar, longopts[lookup].name ) )
+          {
+	    /* looking for possible matches for the current argument.
+	     */
+            case getopt_exact_match:
+	      /*
+	       * when an exact match is found,
+	       * return it immediately, setting `nextchar' to NULL,
+	       * to ensure we don't mistakenly try to match any
+	       * subsequent characters as short form options.
+	       */
+	      nextchar = NULL;
+	      return getopt_resolved( mode, argc, argv, &argind,
+		  longopts, lookup, optindex, optstring );
+
+	    case getopt_abbreviated_match:
+	      /*
+	       * but, for a partial (initial substring) match ...
+	       */
+	      if( matched >= 0 )
+	      {
+		/* if this is not the first, then we have an ambiguity ...
+		 */
+		if( (mode == getopt_mode_long_only)
+		  /*
+		   * However, in the case of getopt_long_only(), if
+		   * the entire ambiguously matched string represents
+		   * a valid short option specification, then we may
+		   * proceed to interpret it as such.
+		   */
+		&&  getopt_verify( nextchar, optstring )  )
+		  return getopt_parse( mode, argc, argv, optstring );
+
+		/* If we get to here, then the ambiguously matched
+		 * partial long option isn't valid for short option
+		 * evaluation; reset parser context to resume with
+		 * the following command line argument, diagnose
+		 * ambiguity, and bail out.
+		 */
+		optopt = 0;
+		nextchar = NULL;
+		optind = argind + 1;
+		complain( "option `%s' is ambiguous", argv[argind] );
+		return getopt_unknown;
+	      }
+	      /* otherwise just note that we've found a possible match ...
+	       */
+	      matched = lookup;
+          }
+	}
+	if( matched >= 0 )
+	{
+	  /* if we get to here, then we found exactly one partial match,
+	   * so return it, as for an exact match.
+	   */
+	  nextchar = NULL;
+	  return getopt_resolved( mode, argc, argv, &argind,
+	      longopts, matched, optindex, optstring );
+	}
+	/* if here, then we had what SHOULD have been a long form option,
+	 * but it is unmatched ...
+	 */
+	if( (mode < getopt_mode_long_only)
+	  /*
+	   * ... although paradoxically, `mode == getopt_mode_long_only'
+	   * allows us to still try to match it as a short form option.
+	   */
+        ||  (getopt_verify( nextchar, optstring ) == 0)  )
+	{
+	  /* When it cannot be matched, reset the parsing context to
+	   * resume from the next argument, diagnose the failed match,
+	   * and bail out.
+	   */
+	  optopt = 0;
+	  nextchar = NULL;
+	  optind = argind + 1;
+	  complain( "unrecognised option `%s'", argv[argind] );
+	  return getopt_unknown;
+	}
+      }
+      /* fall through to handle standard short form options...
+       * when the option argument format is neither explictly identified
+       * as long, nor implicitly matched as such, and the argument isn't
+       * just a bare hyphen, (which isn't an option), then we make one
+       * recursive call to explicitly interpret it as short format.
+       */
+      if( *nextchar )
+	return getopt_parse( mode, argc, argv, optstring );
+    }
+    /* if we get to here, then we've parsed a non-option argument ...
+     * in GNU compatibility mode, we step over it, so we can permute
+     * any subsequent option arguments, but ...
+     */
+    if( *optstring == getopt_switchar )
+    {
+      /* if `optstring' begins with a `-' character, this special
+       * GNU specific behaviour requires us to return the non-option
+       * arguments in strict order, as pseudo-arguments to a special
+       * option, with return value defined as `getopt_ordered'.
+       */
+      nextchar = NULL;
+      optind = argind + 1;
+      optarg = argv[argind];
+      return getopt_ordered;
+    }
+    if( getopt_conventions( *optstring ) & getopt_posixly_correct )
+      /*
+       * otherwise ...
+       * for POSIXLY_CORRECT behaviour, or if `optstring' begins with
+       * a `+' character, then we break out of the parsing loop, so that
+       * the scan ends at the current argument, with no permutation.
+       */
+      break;
+  }
+  /* fall through when all arguments have been evaluated,
+   */
+  optind = optbase;
+  return getopt_all_done;
+}
+
+/* All three public API entry points are trivially defined,
+ * in terms of the internal `getopt_parse' function.
+ */
+int getopt( getopt_std_args )
+{
+  return getopt_parse( getopt_mode_standard, argc, argv, optstring );
+}
+
+int getopt_long( getopt_std_args, const struct option *opts, int *index )
+{
+  return getopt_parse( getopt_mode_long, argc, argv, optstring, opts, index );
+}
+
+int getopt_long_only( getopt_std_args, const struct option *opts, int *index )
+{
+  return getopt_parse( getopt_mode_long_only, argc, argv, optstring, opts, index );
+}
+
+#ifdef __weak_alias
+/*
+ * These Microsnot style uglified aliases are provided for compatibility
+ * with the previous MinGW implementation of the getopt API.
+ */
+__weak_alias( getopt, _getopt )
+__weak_alias( getopt_long, _getopt_long )
+__weak_alias( getopt_long_only, _getopt_long_only )
+#endif
+
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* !defined(__UNISTD_H_SOURCED__) && !defined(__GETOPT_LONG_H__) */