fix: iconv to/from unpacking order and calling convention (#126) (#127)

swapped unpacking order of to and from and caller parameters
     removed null terminator adding at end
     changed call from stdcall to cdecl

programs/cmm/lib/obj/iconv.h

@@ -27,7 +27,7 @@ dword ChangeCharset(dword from_chs, to_chs, conv_buf)
 {
 	dword cd, in_len, out_len, new_buf;	
 
-	iconv_open stdcall (from_chs*10+#charsets, to_chs*10+#charsets);
+	iconv_open cdecl (to_chs*10+#charsets, from_chs*10+#charsets);
 	if (EAX==-1) {
 		debugln("iconv: unsupported charset");
 		return 0; 
@@ -37,7 +37,7 @@ dword ChangeCharset(dword from_chs, to_chs, conv_buf)
 	in_len = strlen(conv_buf)+1;
 	out_len = in_len * 2;
 	new_buf = mem_Alloc(out_len);
-	iconv stdcall (cd, #conv_buf, #in_len, #new_buf, #out_len);
+	iconv cdecl (cd, #conv_buf, #in_len, #new_buf, #out_len);
 	if (EAX!=0)
 	{
 		cd = EAX;

programs/develop/libraries/iconv/iconv.c

@@ -64,8 +64,8 @@ size_t iconv(iconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf,
     char *str;
     str=*outbuf;
 
-    from=cd>>16;
-    to=cd&0xFFFF;
+    to=cd>>16;
+    from=cd&0xFFFF;
 
     switch (from)
     {
@@ -92,7 +92,7 @@ size_t iconv(iconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf,
     count1=0;
     count2=0;
 
-    while ( *inbytesleft>0 && *outbytesleft>1)
+    while (*inbytesleft>0 && *outbytesleft>1)
     {
         n=1;
 
@@ -116,7 +116,6 @@ size_t iconv(iconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf,
         count1+=converted;
         count2+=written;
     }
-    *(str+count2)='\0';
 
     if (*inbytesleft>0 && *outbytesleft==0) return -12;
     return 0;