new abstract machine; adapted a bit

amxmodx/amx.h

@@ -1,6 +1,6 @@
 /*  Abstract Machine for the Small compiler
  *
- *  Copyright (c) ITB CompuPhase, 1997-2003
+ *  Copyright (c) ITB CompuPhase, 1997-2004
  *
  *  This software is provided "as-is", without any express or implied warranty.
  *  In no event will the authors be held liable for any damages arising from
@@ -10,18 +10,32 @@
  *  including commercial applications, and to alter it and redistribute it
  *  freely, subject to the following restrictions:
  *
+ *  1.  The origin of this software must not be misrepresented; you must not
+ *      claim that you wrote the original software. If you use this software in
+ *      a product, an acknowledgment in the product documentation would be
+ *      appreciated but is not required.
+ *  2.  Altered source versions must be plainly marked as such, and must not be
+ *      misrepresented as being the original software.
+ *  3.  This notice may not be removed or altered from any source distribution.
+ *
+ *  Version: $Id$
  */
+
 #if defined __linux__
   #include <sclinux.h>
 #endif
-#ifndef __AMX_H
+
-#define __AMX_H
+#ifndef AMX_H_INCLUDED
-#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L
+#define AMX_H_INCLUDED
+
+#if defined __LCC__ || defined __DMC__ || defined __linux__
+  #include <stdint.h>
+#elif !defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L
   /* The ISO C99 defines the int16_t and int_32t types. If the compiler got
    * here, these types are probably undefined.
    */
-  #if defined __LCC__ || defined __linux__
+  #if defined __FreeBSD__
-    #include <stdint.h>
+    #include <inttypes.h>
   #else
     typedef short int           int16_t;
     typedef unsigned short int  uint16_t;
@@ -32,16 +46,28 @@
       typedef long int          int32_t;
       typedef unsigned long int uint32_t;
     #endif
+    #if defined __WIN32__ || defined _WIN32 || defined WIN32
+      typedef __int64			int64_t;
+      typedef unsigned __int64	uint64_t;
+      #define HAVE_I64
+    #elif defined __GNUC__
+      typedef long long			int64_t;
+      typedef unsigned long long uint64_t;
+      #define HAVE_I64
+    #endif
   #endif
 #endif
-#if defined __WIN32__ || defined _WIN32 || defined WIN32 || defined __MSDOS__
+
+#if defined __WIN32__ || defined _WIN32 || defined WIN32 /* || defined __MSDOS__ */
   #if !defined alloca
     #define alloca(n)   _alloca(n)
   #endif
 #endif
+
 #ifdef  __cplusplus
 extern  "C" {
 #endif
+
 /* calling convention for native functions */
 #if !defined AMX_NATIVE_CALL
   #define AMX_NATIVE_CALL
@@ -59,6 +85,7 @@ extern  "C" {
 #if !defined AMXEXPORT
   #define AMXEXPORT
 #endif
+
 /* File format version                          Required AMX version
  *   0 (original version)                       0
  *   1 (opcodes JUMP.pri, SWITCH and CASETBL)   1
@@ -72,16 +99,28 @@ extern  "C" {
 #define CUR_FILE_VERSION  7     /* current file version; also the current AMX version */
 #define MIN_FILE_VERSION  6     /* lowest supported file format version for the current AMX version */
 #define MIN_AMX_VERSION   7     /* minimum AMX version needed to support the current file format */
-#if !defined CELL_TYPE
+
-  #define CELL_TYPE
+#if defined BIT16
-  #if defined(BIT16)
+  #define SMALL_CELL_SIZE 16    /* for backward compatibility */
-    typedef uint16_t  ucell;    /* only for type casting */
-    typedef int16_t   cell;
-  #else
-    typedef uint32_t  ucell;
-    typedef int32_t   cell;
-  #endif
 #endif
+#if !defined SMALL_CELL_SIZE
+  #define SMALL_CELL_SIZE 32    /* by default, use 32-bit cells */
+#endif
+#if SMALL_CELL_SIZE==16
+  typedef uint16_t  ucell;
+  typedef int16_t   cell;
+#elif SMALL_CELL_SIZE==32
+  typedef uint32_t  ucell;
+  typedef int32_t   cell;
+#elif SMALL_CELL_SIZE==64
+  typedef uint64_t  ucell;
+  typedef int64_t   cell;
+#else
+  #error Unsupported cell size (SMALL_CELL_SIZE)
+#endif
+
+#define UNPACKEDMAX   ((1 << (sizeof(cell)-1)*8) - 1)
+
 struct tagAMX;
 typedef cell (AMX_NATIVE_CALL *AMX_NATIVE)(struct tagAMX *amx, cell *params);
 typedef int (AMXAPI *AMX_CALLBACK)(struct tagAMX *amx, cell index,
@@ -90,22 +129,26 @@ typedef int (AMXAPI *AMX_DEBUG)(struct tagAMX *amx);
 #if !defined _FAR
   #define _FAR
 #endif
+
 #if defined _MSC_VER
   #pragma warning(disable:4103)  /* disable warning message 4103 that complains
                                   * about pragma pack in a header file */
   #pragma warning(disable:4100)  /* "'%$S' : unreferenced formal parameter" */
 #endif
+
 /* Some compilers do not support the #pragma align, which should be fine. Some
  * compilers give a warning on unknown #pragmas, which is not so fine...
  */
 #if defined SN_TARGET_PS2 || defined __GNUC__
   #define AMX_NO_ALIGN
 #endif
+
 #if defined __GNUC__
   #define PACKED        __attribute__((packed))
 #else
   #define PACKED
 #endif
+
 #if !defined AMX_NO_ALIGN
   #if defined __linux__
     #pragma pack(1)         /* structures must be packed (byte-aligned) */
@@ -117,17 +160,21 @@ typedef int (AMXAPI *AMX_DEBUG)(struct tagAMX *amx);
     #endif
   #endif
 #endif
+
 typedef struct {
-  char _FAR *name       PACKED;
+  const char _FAR *name PACKED;
   AMX_NATIVE func       PACKED;
 } AMX_NATIVE_INFO       PACKED;
+
 #define AMX_USERNUM     4
 #define sEXPMAX         19      /* maximum name length for file version <= 6 */
 #define sNAMEMAX        31      /* maximum name length of symbol name */
+
 typedef struct tagAMX_FUNCSTUB {
-  uint32_t address      PACKED;
+  uint32_t address           PACKED;
-  char name[sEXPMAX+1]  PACKED;
+  const char name[sEXPMAX+1] PACKED;
-} AMX_FUNCSTUB          PACKED;
+} AMX_FUNCSTUB               PACKED;
+
 /* The AMX structure is the internal structure for many functions. Not all
  * fields are valid at all times; many fields are cached in local variables.
  */
@@ -161,13 +208,14 @@ typedef struct tagAMX {
   cell alt              PACKED;
   cell reset_stk        PACKED;
   cell reset_hea        PACKED;
-  cell _FAR *syscall_d  PACKED; /* relocated value/address for the SYSCALL.D opcode */
+  cell sysreq_d         PACKED; /* relocated address/value for the SYSREQ.D opcode */
   #if defined JIT
     /* support variables for the JIT */
     int reloc_size      PACKED; /* required temporary buffer for relocations */
     long code_size      PACKED; /* estimated memory footprint of the native code */
   #endif
 } AMX                   PACKED;
+
 /* The AMX_HEADER structure is both the memory format as the file format. The
  * structure is used internaly.
  */
@@ -191,6 +239,7 @@ typedef struct tagAMX_HEADER {
   int32_t nametable     PACKED; /* name table, file version 7 only */
 } AMX_HEADER            PACKED;
 #define AMX_MAGIC       0xf1e0
+
 enum {
   AMX_ERR_NONE,
   /* reserve the first 15 error codes for exit codes of the abstract machine */
@@ -206,6 +255,7 @@ enum {
   AMX_ERR_NATIVE,       /* native function failed */
   AMX_ERR_DIVIDE,       /* divide by zero */
   AMX_ERR_SLEEP,        /* go into sleepmode - code can be restarted */
+
   AMX_ERR_MEMORY = 16,  /* out of memory */
   AMX_ERR_FORMAT,       /* invalid file format */
   AMX_ERR_VERSION,      /* file is for a newer version of the AMX */
@@ -218,6 +268,7 @@ enum {
   AMX_ERR_PARAMS,       /* parameter error */
   AMX_ERR_DOMAIN,       /* domain error, expression result does not fit in range */
 };
+
 enum {
   DBG_INIT,             /* query/initialize */
   DBG_FILE,             /* file number in curfile, filename in name */
@@ -230,34 +281,52 @@ enum {
   DBG_SRANGE,           /* symbol size and dimensions (arrays); level in dbgaddr (!); length in dbgparam */
   DBG_SYMTAG,           /* tag of the most recent symbol (if non-zero), tag in dbgparam */
 };
-#define AMX_FLAG_CHAR16   0x01  /* characters are 16-bit */
+
+/*      AMX_FLAG_CHAR16   0x01     no longer used */
 #define AMX_FLAG_DEBUG    0x02  /* symbolic info. available */
 #define AMX_FLAG_COMPACT  0x04  /* compact encoding */
 #define AMX_FLAG_BIGENDIAN 0x08 /* big endian encoding */
 #define AMX_FLAG_NOCHECKS  0x10 /* no array bounds checking */
 #define AMX_FLAG_BROWSE 0x4000  /* browsing/relocating or executing */
 #define AMX_FLAG_RELOC  0x8000  /* jump/call addresses relocated */
+
 #define AMX_EXEC_MAIN   -1      /* start at program entry point */
 #define AMX_EXEC_CONT   -2      /* continue from last address */
+
 #define AMX_USERTAG(a,b,c,d)    ((a) | ((b)<<8) | ((long)(c)<<16) | ((long)(d)<<24))
+
 #define AMX_EXPANDMARGIN  64
+
 /* for native functions that use floating point parameters, the following
  * two macros are convenient for casting a "cell" into a "float" type _without_
  * changing the bit pattern
  */
-#define amx_ftoc(f)     ( * ((cell*)&f) )   /* float to cell */
+#if SMALL_CELL_SIZE==32
-#define amx_ctof(c)     ( * ((float*)&c) )  /* cell to float */
+  #define amx_ftoc(f)   ( * ((cell*)&f) )   /* float to cell */
-#define amx_StrParam(amx,param,result) {                             \
+  #define amx_ctof(c)   ( * ((float*)&c) )  /* cell to float */
-            cell *amx_cstr_; int amx_length_;                        \
+#elif SMALL_CELL_SIZE==64
-            amx_GetAddr((amx), (param), &amx_cstr_);                 \
+  #define amx_ftoc(f)   ( * ((cell*)&f) )   /* float to cell */
-            amx_StrLen(amx_cstr_, &amx_length_);                     \
+  #define amx_ctof(c)   ( * ((double*)&c) ) /* cell to float */
-            if (amx_length_ > 0 &&                                   \
+#else
-                ((result) = (char*)alloca(amx_length_ + 1)) != NULL) \
+  #error Unsupported cell size
-              amx_GetString((result), amx_cstr_);                    \
+#endif
-            else (result) = NULL;                                    \
+
-}
+#define amx_StrParam(amx,param,result)                                      \
+    do {                                                                    \
+      cell *amx_cstr_; int amx_length_;                                     \
+      amx_GetAddr((amx), (param), &amx_cstr_);                              \
+      amx_StrLen(amx_cstr_, &amx_length_);                                  \
+      if (amx_length_ > 0 &&                                                \
+          ((result) = (void*)alloca((amx_length_ + 1) * sizeof(*(result)))) != NULL) \
+        amx_GetString((char*)(result), amx_cstr_, sizeof(*(result))>1);     \
+      else (result) = NULL;                                                 \
+    } while (0)
+
 uint16_t * AMXAPI amx_Align16(uint16_t *v);
 uint32_t * AMXAPI amx_Align32(uint32_t *v);
+#if defined _I64_MAX || defined HAVE_I64
+  uint64_t * AMXAPI amx_Align64(uint64_t *v);
+#endif
 int AMXAPI amx_Allot(AMX *amx, int cells, cell *amx_addr, cell **phys_addr);
 int AMXAPI amx_Callback(AMX *amx, cell index, cell *result, cell *params);
 int AMXAPI amx_Cleanup(AMX *amx);
@@ -265,23 +334,23 @@ int AMXAPI amx_Clone(AMX *amxClone, AMX *amxSource, void *data);
 int AMXAPI amx_Debug(AMX *amx); /* default debug procedure, does nothing */
 int AMXAPI amx_Exec(AMX *amx, cell *retval, int index, int numparams, ...);
 int AMXAPI amx_Execv(AMX *amx, cell *retval, int index, int numparams, cell params[]);
-int AMXAPI amx_FindNative(AMX *amx, char *name, int *index);
+int AMXAPI amx_FindNative(AMX *amx, const char *name, int *index);
-int AMXAPI amx_FindPublic(AMX *amx, char *funcname, int *index);
+int AMXAPI amx_FindPublic(AMX *amx, const char *funcname, int *index);
-int AMXAPI amx_FindPubVar(AMX *amx, char *varname, cell *amx_addr);
+int AMXAPI amx_FindPubVar(AMX *amx, const char *varname, cell *amx_addr);
 int AMXAPI amx_FindTagId(AMX *amx, cell tag_id, char *tagname);
 int AMXAPI amx_Flags(AMX *amx,uint16_t *flags);
 int AMXAPI amx_GetAddr(AMX *amx,cell amx_addr,cell **phys_addr);
 int AMXAPI amx_GetNative(AMX *amx, int index, char *funcname);
 int AMXAPI amx_GetPublic(AMX *amx, int index, char *funcname);
 int AMXAPI amx_GetPubVar(AMX *amx, int index, char *varname, cell *amx_addr);
-int AMXAPI amx_GetString(char *dest,cell *source);
+int AMXAPI amx_GetString(char *dest,const cell *source, int use_wchar);
 int AMXAPI amx_GetTag(AMX *amx, int index, char *tagname, cell *tag_id);
 int AMXAPI amx_GetUserData(AMX *amx, long tag, void **ptr);
 int AMXAPI amx_Init(AMX *amx, void *program);
 int AMXAPI amx_InitJIT(AMX *amx, void *reloc_table, void *native_code);
 int AMXAPI amx_MemInfo(AMX *amx, long *codesize, long *datasize, long *stackheap);
 int AMXAPI amx_NameLength(AMX *amx, int *length);
-AMX_NATIVE_INFO * AMXAPI amx_NativeInfo(char *name,AMX_NATIVE func);
+AMX_NATIVE_INFO * AMXAPI amx_NativeInfo(const char *name,AMX_NATIVE func);
 int AMXAPI amx_NumNatives(AMX *amx, int *number);
 int AMXAPI amx_NumPublics(AMX *amx, int *number);
 int AMXAPI amx_NumPubVars(AMX *amx, int *number);
@@ -291,10 +360,14 @@ int AMXAPI amx_Register(AMX *amx, AMX_NATIVE_INFO *nativelist, int number);
 int AMXAPI amx_Release(AMX *amx, cell amx_addr);
 int AMXAPI amx_SetCallback(AMX *amx, AMX_CALLBACK callback);
 int AMXAPI amx_SetDebugHook(AMX *amx, AMX_DEBUG debug);
-int AMXAPI amx_SetString(cell *dest, char *source, int pack);
+int AMXAPI amx_SetString(cell *dest, const char *source, int pack, int use_wchar);
 int AMXAPI amx_SetUserData(AMX *amx, long tag, void *ptr);
-char * AMXAPI amx_StrError(int errnum);
 int AMXAPI amx_StrLen(cell *cstring, int *length);
+int AMXAPI amx_UTF8Get(const char *string, const char **endptr, cell *value);
+int AMXAPI amx_UTF8Put(char *string, char **endptr, int maxchars, cell value);
+int AMXAPI amx_UTF8Check(const char *string);
+
+
 #if !defined AMX_NO_ALIGN
   #if defined __linux__
     #pragma pack()    /* reset default packing */
@@ -302,7 +375,9 @@ int AMXAPI amx_StrLen(cell *cstring, int *length);
     #pragma pack(pop) /* reset previous packing */
   #endif
 #endif
+
 #ifdef  __cplusplus
 }
 #endif
-#endif /* __AMX_H */
+
+#endif /* AMX_H_INCLUDED */

amxmodx/amxcore.c

@@ -1,24 +1,62 @@
 /*  Core module for the Small AMX
  *
- *  Copyright (c) ITB CompuPhase, 1997-2002
+ *  Copyright (c) ITB CompuPhase, 1997-2004
- *  This file may be freely used. No warranties of any kind.
+ *
+ *  This software is provided "as-is", without any express or implied warranty.
+ *  In no event will the authors be held liable for any damages arising from
+ *  the use of this software.
+ *
+ *  Permission is granted to anyone to use this software for any purpose,
+ *  including commercial applications, and to alter it and redistribute it
+ *  freely, subject to the following restrictions:
+ *
+ *  1.  The origin of this software must not be misrepresented; you must not
+ *      claim that you wrote the original software. If you use this software in
+ *      a product, an acknowledgment in the product documentation would be
+ *      appreciated but is not required.
+ *  2.  Altered source versions must be plainly marked as such, and must not be
+ *      misrepresented as being the original software.
+ *  3.  This notice may not be removed or altered from any source distribution.
  *
  *  Version: $Id$
  */
+#if defined _UNICODE || defined __UNICODE__ || defined UNICODE
+# if !defined UNICODE   /* for Windows */
+#   define UNICODE
+# endif
+# if !defined _UNICODE  /* for C library */
+#   define _UNICODE
+# endif
+#endif
+
 #include <ctype.h>
 #include <stdlib.h>
 #include <string.h>
 #include <limits.h>
 #include <assert.h>
 #include "amx.h"
-
+#if defined __WIN32__ || defined _WIN32 || defined WIN32 || defined _Windows
-#define NOPROPLIST
+  #include <windows.h>
+#endif
 
 /* A few compilers do not provide the ANSI C standard "time" functions */
 #if !defined SN_TARGET_PS2 && !defined _WIN32_WCE
   #include <time.h>
 #endif
 
+#if defined _UNICODE
+# include <tchar.h>
+#elif !defined __T
+  typedef char          TCHAR;
+# define __T(string)    string
+# define _tcschr        strchr
+# define _tcscpy        strcpy
+# define _tcsdup        strdup
+# define _tcslen        strlen
+# define _stprintf      sprintf
+#endif
+
+
 #define CHARBITS        (8*sizeof(char))
 typedef unsigned char   uchar;
 
@@ -28,6 +66,7 @@ typedef struct _property_list {
   cell id;
   char *name;
   cell value;
+  //??? safe AMX (owner of the property)
 } proplist;
 
 static proplist proproot = { NULL };
@@ -106,7 +145,7 @@ static cell AMX_NATIVE_CALL numargs(AMX *amx, cell *params)
   cell bytes;
 
   hdr=(AMX_HEADER *)amx->base;
-  data=amx->base+(int)hdr->dat;
+  data=amx->data ? amx->data : amx->base+(int)hdr->dat;
   /* the number of bytes is on the stack, at "frm + 2*cell" */
   bytes= * (cell *)(data+(int)amx->frm+2*sizeof(cell));
   /* the number of arguments is the number of bytes divided
@@ -121,7 +160,7 @@ static cell AMX_NATIVE_CALL getarg(AMX *amx, cell *params)
   cell value;
 
   hdr=(AMX_HEADER *)amx->base;
-  data=amx->base+(int)hdr->dat;
+  data=amx->data ? amx->data : amx->base+(int)hdr->dat;
   /* get the base value */
   value= * (cell *)(data+(int)amx->frm+((int)params[1]+3)*sizeof(cell));
   /* adjust the address in "value" in case of an array access */
@@ -138,7 +177,7 @@ static cell AMX_NATIVE_CALL setarg(AMX *amx, cell *params)
   cell value;
 
   hdr=(AMX_HEADER *)amx->base;
-  data=amx->base+(int)hdr->dat;
+  data=amx->data ? amx->data : amx->base+(int)hdr->dat;
   /* get the base value */
   value= * (cell *)(data+(int)amx->frm+((int)params[1]+3)*sizeof(cell));
   /* adjust the address in "value" in case of an array access */
@@ -174,7 +213,7 @@ static cell AMX_NATIVE_CALL funcidx(AMX *amx,cell *params)
     return 0;
   } /* if */
 
-  amx_GetString(name,cstr);
+  amx_GetString(name,cstr,0);
   err=amx_FindPublic(amx,name,&index);
   if (err!=AMX_ERR_NONE)
     index=-1;   /* this is not considered a fatal error */
@@ -186,7 +225,7 @@ int amx_StrPack(cell *dest,cell *source)
   int len;
 
   amx_StrLen(source,&len);
-  if ((ucell)*source>UCHAR_MAX) {
+  if ((ucell)*source>UNPACKEDMAX) {
     /* source string is already packed */
     while (len >= 0) {
       *dest++ = *source++;
@@ -214,7 +253,7 @@ int amx_StrPack(cell *dest,cell *source)
 
 int amx_StrUnpack(cell *dest,cell *source)
 {
-  if ((ucell)*source>UCHAR_MAX) {
+  if ((ucell)*source>UNPACKEDMAX) {
     /* unpack string, from top down (so string can be unpacked in place) */
     cell c;
     int i,len;
@@ -256,14 +295,15 @@ static cell AMX_NATIVE_CALL core_strlen(AMX *amx,cell *params)
 static cell AMX_NATIVE_CALL strpack(AMX *amx,cell *params)
 {
   cell *cdest,*csrc;
-  int len,needed,lastaddr,err;
+  int len,needed,err;
+  size_t lastaddr;
 
   /* calculate number of cells needed for (packed) destination */
   amx_GetAddr(amx,params[2],&csrc);
   amx_StrLen(csrc,&len);
   needed=(len+sizeof(cell))/sizeof(cell);     /* # of cells needed */
   assert(needed>0);
-  lastaddr=params[1]+sizeof(cell)*needed-1;
+  lastaddr=(size_t)(params[1]+sizeof(cell)*needed-1);
   if (verify_addr(amx,(cell)lastaddr)!=AMX_ERR_NONE)
     return 0;
 
@@ -278,13 +318,14 @@ static cell AMX_NATIVE_CALL strpack(AMX *amx,cell *params)
 static cell AMX_NATIVE_CALL strunpack(AMX *amx,cell *params)
 {
   cell *cdest,*csrc;
-  int len,err,lastaddr;
+  int len,err;
+  size_t lastaddr;
 
   /* calculate number of cells needed for (packed) destination */
   amx_GetAddr(amx,params[2],&csrc);
   amx_StrLen(csrc,&len);
   assert(len>=0);
-  lastaddr=params[1]+sizeof(cell)*(len+1)-1;
+  lastaddr=(size_t)(params[1]+sizeof(cell)*(len+1)-1);
   if (verify_addr(amx,(cell)lastaddr)!=AMX_ERR_NONE)
     return 0;
 
@@ -303,27 +344,46 @@ static cell AMX_NATIVE_CALL swapchars(AMX *amx,cell *params)
 {
   union {
     cell c;
-    #if defined BIT16
+    #if SMALL_CELL_SIZE==16
       uchar b[2];
-    #else
+    #elif SMALL_CELL_SIZE==32
       uchar b[4];
+    #elif SMALL_CELL_SIZE==64
+      uchar b[8];
+	#else
+	  #error Unsupported cell size
     #endif
   } value;
   uchar t;
 
   assert((size_t)params[0]==sizeof(cell));
   value.c = params[1];
-  #if defined BIT16
+  #if SMALL_CELL_SIZE==16
     t = value.b[0];
     value.b[0] = value.b[1];
     value.b[1] = t;
-  #else
+  #elif SMALL_CELL_SIZE==32
     t = value.b[0];
     value.b[0] = value.b[3];
     value.b[3] = t;
     t = value.b[1];
     value.b[1] = value.b[2];
     value.b[2] = t;
+  #elif SMALL_CELL_SIZE==64
+    t = value.b[0];
+    value.b[0] = value.b[7];
+    value.b[7] = t;
+	t = value.b[1];
+	value.b[1] = value.b[6];
+	value.b[6] = t;
+	t = value.b[2];
+	value.b[2] = value.b[5];
+	value.b[5] = t;
+	t = value.b[3];
+    value.b[3] = value.b[4];
+    value.b[4] = t;
+  #else
+    #error Unsupported cell size
   #endif
   return value.c;
 }
@@ -333,8 +393,13 @@ static cell AMX_NATIVE_CALL swapchars(AMX *amx,cell *params)
 #endif
 static cell AMX_NATIVE_CALL core_tolower(AMX *amx,cell *params)
 {
-  assert((size_t)params[0]==sizeof(cell));
+  #if defined __WIN32__ || defined _WIN32 || defined WIN32
-  return tolower((int)params[1]);
+    return (cell)CharLower((LPTSTR)params[1]);
+  #elif defined _Windows
+    return (cell)AnsiLower((LPSTR)params[1]);
+  #else
+    return tolower((int)params[1]);
+  #endif
 }
 
 #if defined __BORLANDC__ || defined __WATCOMC__
@@ -342,8 +407,13 @@ static cell AMX_NATIVE_CALL core_tolower(AMX *amx,cell *params)
 #endif
 static cell AMX_NATIVE_CALL core_toupper(AMX *amx,cell *params)
 {
-  assert((size_t)params[0]==sizeof(cell));
+  #if defined __WIN32__ || defined _WIN32 || defined WIN32
-  return toupper((int)params[1]);
+    return (cell)CharUpper((LPTSTR)params[1]);
+  #elif defined _Windows
+    return (cell)AnsiUpper((LPSTR)params[1]);
+  #else
+    return toupper((int)params[1]);
+  #endif
 }
 
 #if defined __BORLANDC__ || defined __WATCOMC__
@@ -382,7 +452,7 @@ static char *MakePackedString(cell *cptr)
 
   amx_StrLen(cptr,&len);
   dest=(char *)malloc(len+sizeof(cell));
-  amx_GetString(dest,cptr);
+  amx_GetString(dest,cptr,0);
   return dest;
 }
 
@@ -403,7 +473,7 @@ static cell AMX_NATIVE_CALL getproperty(AMX *amx,cell *params)
       return 0;
     } /* if */
     amx_GetAddr(amx,params[4],&cstr);
-    amx_SetString(cstr,item->name,1);
+    amx_SetString(cstr,item->name,1,0);
   } /* if */
   free(name);
   return (item!=NULL) ? item->value : 0;
@@ -488,7 +558,7 @@ static cell AMX_NATIVE_CALL core_random(AMX *amx,cell *params)
         if (IL_StandardRandom_seed == 0L)
             IL_StandardRandom_seed=(unsigned long)time(NULL);
     #endif
-  
+
     lo = IL_StandardRandom_seed & 0xffff;
     hi = IL_StandardRandom_seed >> 16;
     IL_StandardRandom_seed = IL_StandardRandom_seed * IL_RMULT + 12345;
@@ -503,22 +573,6 @@ static cell AMX_NATIVE_CALL core_random(AMX *amx,cell *params)
     return (cell)result;
 }
 
-#if 0
-
-void core_Init(void)
-{
-  /* reduced to a do-nothing routine */
-}
-
-void core_Exit(void)
-{
-  #if !defined NOPROPLIST
-    while (proproot.next!=NULL)
-      list_delete(&proproot,proproot.next);
-  #endif
-}
-
-#endif
 
 AMX_NATIVE_INFO core_Natives[] = {
   { "numargs",       numargs },
@@ -545,4 +599,20 @@ AMX_NATIVE_INFO core_Natives[] = {
   { NULL, NULL }        /* terminator */
 };
 
+int AMXEXPORT amx_CoreInit(AMX *amx)
+{
+  return amx_Register(amx, core_Natives, -1);
+}
 
+#if defined __BORLANDC__ || defined __WATCOMC__
+  #pragma argsused
+#endif
+int AMXEXPORT amx_CoreCleanup(AMX *amx)
+{
+  #if !defined NOPROPLIST
+    //??? delete only the properties owned by the AMX
+    while (proproot.next!=NULL)
+      list_delete(&proproot,proproot.next);
+  #endif
+  return AMX_ERR_NONE;
+}