zmat now supports gnu octave on Linux

src/Makefile

@@ -74,6 +74,12 @@ else
   endif
 endif
 
+oct:   OUTPUT_DIR=..
+oct:   AR= CXXFLAGS='-O3' LFLAGS='$(-lz)' LDFLAGS='$(LFLAGS)' mkoctfile
+oct:   BINARY=zmat.mex
+oct:   LINKOPT+=--mex $(INCLUDEDIRS)
+oct:   CXX=mkoctfile
+
 mex:   CXX=$(MEX)
 mex:   AR=$(MEX)
 mex:   LINKOPT+= -cxx CLIBS='$$CLIBS -lz' CXXLIBS='$$CXXLIBS -lz' -outdir $(ZMATDIR)
@@ -88,7 +94,7 @@ OBJS      := $(addsuffix $(OBJSUFFIX), $(FILES))
 
 TARGETSUFFIX:=$(suffix $(BINARY))
 
-all mex: $(OUTPUT_DIR)/$(BINARY)
+all mex oct: $(OUTPUT_DIR)/$(BINARY)
 
 makedirs:
 	@if test ! -d $(OUTPUT_DIR); then $(MKDIR) $(OUTPUT_DIR); fi

src/compilezmat.m

@@ -1,2 +1,6 @@
-mex zmat.cpp -outdir ../ CXXLIBS='$CXXLIBS -lz'
+if(~exist('OCTAVE_VERSION','builtin'))
+    mex zmat.cpp -outdir ../ CXXLIBS='$CXXLIBS -lz'
+else
+    mex zmat.cpp -o ../zmat
+end
 

src/zmat.cpp

@@ -66,13 +66,13 @@ void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[]){
   }
 
   try{
-	  if(mxIsChar(prhs[0]) || mxIsUint8(prhs[0])){
+	  if(mxIsChar(prhs[0]) || mxIsUint8(prhs[0]) || mxIsInt8(prhs[0])){
 	       z_stream zs;
 	       int ret;
 	       dimtype inputsize=mxGetNumberOfElements(prhs[0]);
 	       dimtype buflen[2]={0};
 	       unsigned char *temp=NULL;
-	       char * inputstr=(mxIsChar(prhs[0])? mxArrayToString(prhs[0]) : (char *)mxGetChars(prhs[0]));
+	       char * inputstr=(mxIsChar(prhs[0])? mxArrayToString(prhs[0]) : (char *)mxGetData(prhs[0]));
 
     	       zs.zalloc = Z_NULL;
     	       zs.zfree = Z_NULL;