better use of extra include files (both for tests and for old_ansi)

liolib.c

@@ -1,5 +1,5 @@
 /*
-** $Id: liolib.c,v 1.102 2001/01/26 12:12:16 roberto Exp roberto $
+** $Id: liolib.c,v 1.103 2001/02/02 19:02:40 roberto Exp roberto $
 ** Standard I/O (and system) library
 ** See Copyright Notice in lua.h
 */
@@ -21,19 +21,13 @@
 #ifndef OLD_ANSI
 #include <errno.h>
 #include <locale.h>
-#define realloc(b,s)    ((b) == NULL ? malloc(s) : (realloc)(b, s))
-#define free(b)         if (b) (free)(b)
-#else
-/* no support for locale and for strerror: fake them */
-#define setlocale(a,b)	((void)a, strcmp((b),"C")==0?"C":NULL)
-#define LC_ALL		0
-#define LC_COLLATE	0
-#define LC_CTYPE	0
-#define LC_MONETARY	0
-#define LC_NUMERIC	0
-#define LC_TIME		0
-#define strerror(e)	"I/O error"
-#define errno		(-1)
+#endif
+
+
+#ifndef l_realloc
+#define l_malloc(s)		malloc(s)
+#define l_realloc(b,os,s)	realloc(b, s)
+#define l_free(b, os)		free(b)
 #endif
 
 
@@ -258,20 +252,22 @@ static int read_line (lua_State *L, FILE *f) {
 static void read_file (lua_State *L, FILE *f) {
   size_t len = 0;
   size_t size = LUAL_BUFFERSIZE;
+  size_t oldsize = 0;
   char *buffer = NULL;
   for (;;) {
-    char *newbuffer = (char *)realloc(buffer, size);
+    char *newbuffer = (char *)l_realloc(buffer, oldsize, size);
     if (newbuffer == NULL) {
-      free(buffer);
+      l_free(buffer, oldsize);
       lua_error(L, "not enough memory to read a file");
     }
     buffer = newbuffer;
     len += fread(buffer+len, sizeof(char), size-len, f);
     if (len < size) break;  /* did not read all it could */
+    oldsize = size;
     size *= 2;
   }
   lua_pushlstring(L, buffer, len);
-  free(buffer);
+  l_free(buffer, size);
 }
 
 
@@ -282,13 +278,13 @@ static int read_chars (lua_State *L, FILE *f, size_t n) {
   if (n <= LUAL_BUFFERSIZE)
     buffer = statbuff;
   else {
-    buffer = (char  *)malloc(n);
+    buffer = (char  *)l_malloc(n);
     if (buffer == NULL)
       lua_error(L, "not enough memory to read a file");
   }
   n1 = fread(buffer, sizeof(char), n, f);
   lua_pushlstring(L, buffer, n1);
-  if (buffer != statbuff) free(buffer);
+  if (buffer != statbuff) l_free(buffer, n);
   return (n1 > 0 || n == 0);
 }
 

lmem.c

@@ -1,5 +1,5 @@
 /*
-** $Id: lmem.c,v 1.44 2001/01/24 15:45:33 roberto Exp roberto $
+** $Id: lmem.c,v 1.45 2001/02/05 19:08:01 roberto Exp roberto $
 ** Interface to Memory Manager
 ** See Copyright Notice in lua.h
 */
@@ -16,115 +16,12 @@
 
 
 
-
-#ifdef LUA_DEBUG
-/*
-** {======================================================================
-** Controlled version for realloc.
-** =======================================================================
-*/
-
-
-#include <assert.h>
-#include <limits.h>
-#include <string.h>
-
-#define basicrealloc(b, os, s)	debug_realloc(b, os, s)
-#define basicfree(b, s)		debug_realloc(b, s, 0)
-
-
-/* ensures maximum alignment for HEADER */
-#define HEADER	(sizeof(union L_Umaxalign))
-
-#define MARKSIZE	32
-#define MARK		0x55  /* 01010101 (a nice pattern) */
-
-
-#define blocksize(b)	((size_t *)((char *)(b) - HEADER))
-
-unsigned long memdebug_numblocks = 0;
-unsigned long memdebug_total = 0;
-unsigned long memdebug_maxmem = 0;
-unsigned long memdebug_memlimit = ULONG_MAX;
-
-
-static void *checkblock (void *block) {
-  size_t *b = blocksize(block);
-  size_t size = *b;
-  int i;
-  for (i=0;i<MARKSIZE;i++)
-    assert(*(((char *)b)+HEADER+size+i) == MARK+i);  /* corrupted block? */
-  return b;
-}
-
-
-static void freeblock (void *block) {
-  if (block) {
-    size_t size = *blocksize(block);
-    block = checkblock(block);
-    memset(block, -1, size+HEADER+MARKSIZE);  /* erase block */
-    free(block);  /* free original block */
-    memdebug_numblocks--;
-    memdebug_total -= size;
-  }
-}
-
-
-static void *debug_realloc (void *block, size_t oldsize, size_t size) {
-  assert((oldsize == 0) ? block == NULL : oldsize == *blocksize(block));
-  if (size == 0) {
-    freeblock(block);
-    return NULL;
-  }
-  else if (memdebug_total+size > memdebug_memlimit)
-    return NULL;  /* to test memory allocation errors */
-  else {
-    char *newblock;
-    int i;
-    size_t realsize = HEADER+size+MARKSIZE;
-    if (realsize < size) return NULL;  /* overflow! */
-    newblock = (char *)malloc(realsize);  /* alloc a new block */
-    if (newblock == NULL) return NULL;
-    if (oldsize > size) oldsize = size;
-    if (block) {
-      memcpy(newblock+HEADER, block, oldsize);
-      freeblock(block);  /* erase (and check) old copy */
-    }
-    /* initialize new part of the block with something `weird' */
-    memset(newblock+HEADER+oldsize, -MARK, size-oldsize);
-    memdebug_total += size;
-    if (memdebug_total > memdebug_maxmem)
-      memdebug_maxmem = memdebug_total;
-    memdebug_numblocks++;
-    *(size_t *)newblock = size;
-    for (i=0;i<MARKSIZE;i++)
-      *(newblock+HEADER+size+i) = (char)(MARK+i);
-    return newblock+HEADER;
-  }
-}
-
-
-/* }====================================================================== */
-
-#else
-/* no debug */
-
-/*
-** Real ISO (ANSI) systems do not need these tests;
-** but some systems (Sun OS) are not that ISO...
-*/
-#ifdef OLD_ANSI
-#define basicrealloc(b,os,s)	((b) == NULL ? malloc(s) : realloc(b, s))
-#define basicfree(b,s)		if (b) free(b)
-#else
-#define basicrealloc(b,os,s)	realloc(b,s)
-#define basicfree(b,s)		free(b)
-
+#ifndef l_realloc
+#define l_realloc(b,os,s)	realloc(b,s)
+#define l_free(b,s)		free(b)
 #endif
 
 
-#endif
-
 void *luaM_growaux (lua_State *L, void *block, int *size, int size_elems,
                     int limit, const char *errormsg) {
   void *newblock;
@@ -148,13 +45,13 @@ void *luaM_growaux (lua_State *L, void *block, int *size, int size_elems,
 */
 void *luaM_realloc (lua_State *L, void *block, luint32 oldsize, luint32 size) {
   if (size == 0) {
-    basicfree(block, oldsize);  /* block may be NULL; that is OK for free */
+    l_free(block, oldsize);  /* block may be NULL; that is OK for free */
     block = NULL;
   }
   else if (size >= MAX_SIZET)
     luaD_error(L, "memory allocation error: block too big");
   else {
-    block = basicrealloc(block, oldsize, size);
+    block = l_realloc(block, oldsize, size);
     if (block == NULL) {
       if (L)
         luaD_breakrun(L, LUA_ERRMEM);  /* break run without error message */

ltests.c

@@ -1,11 +1,12 @@
 /*
-** $Id: ltests.c,v 1.61 2001/02/01 16:03:38 roberto Exp roberto $
+** $Id: ltests.c,v 1.62 2001/02/02 15:13:05 roberto Exp roberto $
 ** Internal Module for Debugging of the Lua Implementation
 ** See Copyright Notice in lua.h
 */
 
 
 #include <ctype.h>
+#include <limits.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -34,6 +35,7 @@
 */
 #ifdef LUA_DEBUG
 
+
 lua_State *lua_state = NULL;
 
 int islocked = 0;
@@ -47,6 +49,88 @@ static void setnameval (lua_State *L, const char *name, int val) {
 }
 
 
+/*
+** {======================================================================
+** Controlled version for realloc.
+** =======================================================================
+*/
+
+
+/* ensures maximum alignment for HEADER */
+#define HEADER	(sizeof(union L_Umaxalign))
+
+#define MARKSIZE	32
+#define MARK		0x55  /* 01010101 (a nice pattern) */
+
+
+#define blocksize(b)	((size_t *)((char *)(b) - HEADER))
+
+unsigned long memdebug_numblocks = 0;
+unsigned long memdebug_total = 0;
+unsigned long memdebug_maxmem = 0;
+unsigned long memdebug_memlimit = ULONG_MAX;
+
+
+static void *checkblock (void *block) {
+  size_t *b = blocksize(block);
+  size_t size = *b;
+  int i;
+  for (i=0;i<MARKSIZE;i++)
+    lua_assert(*(((char *)b)+HEADER+size+i) == MARK+i);  /* corrupted block? */
+  return b;
+}
+
+
+static void freeblock (void *block) {
+  if (block) {
+    size_t size = *blocksize(block);
+    block = checkblock(block);
+    memset(block, -1, size+HEADER+MARKSIZE);  /* erase block */
+    free(block);  /* free original block */
+    memdebug_numblocks--;
+    memdebug_total -= size;
+  }
+}
+
+
+void *debug_realloc (void *block, size_t oldsize, size_t size) {
+  lua_assert((oldsize == 0) ? block == NULL : oldsize == *blocksize(block));
+  if (size == 0) {
+    freeblock(block);
+    return NULL;
+  }
+  else if (memdebug_total+size > memdebug_memlimit)
+    return NULL;  /* to test memory allocation errors */
+  else {
+    char *newblock;
+    int i;
+    size_t realsize = HEADER+size+MARKSIZE;
+    if (realsize < size) return NULL;  /* overflow! */
+    newblock = (char *)malloc(realsize);  /* alloc a new block */
+    if (newblock == NULL) return NULL;
+    if (oldsize > size) oldsize = size;
+    if (block) {
+      memcpy(newblock+HEADER, block, oldsize);
+      freeblock(block);  /* erase (and check) old copy */
+    }
+    /* initialize new part of the block with something `weird' */
+    memset(newblock+HEADER+oldsize, -MARK, size-oldsize);
+    memdebug_total += size;
+    if (memdebug_total > memdebug_maxmem)
+      memdebug_maxmem = memdebug_total;
+    memdebug_numblocks++;
+    *(size_t *)newblock = size;
+    for (i=0;i<MARKSIZE;i++)
+      *(newblock+HEADER+size+i) = (char)(MARK+i);
+    return newblock+HEADER;
+  }
+}
+
+
+/* }====================================================================== */
+
+
+
 /*
 ** {======================================================
 ** Disassembler

ltests.h

@@ -1,5 +1,5 @@
 /*
-** $Id: ltests.h,v 1.1 2001/02/02 15:12:25 roberto Exp roberto $
+** $Id: ltests.h,v 1.2 2001/02/05 19:08:01 roberto Exp roberto $
 ** Internal Header for Debugging of the Lua Implementation
 ** See Copyright Notice in lua.h
 */
@@ -8,6 +8,8 @@
 #define ltests_h
 
 
+#include <stdlib.h>
+
 
 #define LUA_DEBUG
 
@@ -27,6 +29,14 @@ extern unsigned long memdebug_maxmem;
 extern unsigned long memdebug_memlimit;
 
 
+#define l_malloc(s)		debug_realloc(NULL, 0, s)
+#define l_realloc(b, os, s)	debug_realloc(b, os, s)
+#define l_free(b, s)		debug_realloc(b, s, 0)
+
+void *debug_realloc (void *block, size_t oldsize, size_t size);
+
+
+
 /* test for lock/unlock */
 #define LUA_USERSTATE	int *lock;
 extern int islocked;

lvm.c

@@ -1,5 +1,5 @@
 /*
-** $Id: lvm.c,v 1.163 2001/02/01 17:39:55 roberto Exp roberto $
+** $Id: lvm.c,v 1.164 2001/02/02 15:13:05 roberto Exp roberto $
 ** Lua virtual machine
 ** See Copyright Notice in lua.h
 */
@@ -25,11 +25,6 @@
 #include "lvm.h"
 
 
-#ifdef OLD_ANSI
-#define strcoll(a,b)	strcmp(a,b)
-#endif
-
-
 
 /*
 ** Extra stack size to run a function: