cleanup

svn-id: r34633

1 files changed, 72 insertions, 206 deletions

diff --git a/common/unzip.cpp b/common/unzip.cpp
index a4cd4d31fc..1f70996c39 100644
--- a/common/unzip.cpp
+++ b/common/unzip.cpp
@@ -73,10 +73,6 @@
 
 #ifdef USE_ZLIB
 
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
 #ifdef __SYMBIAN32__
 #include <zlib\zlib.h>
 #else
@@ -86,27 +82,6 @@
 #include "common/unzip.h"
 #include "common/file.h"
 
-#ifdef STDC
-#  include <stddef.h>
-#  include <string.h>
-#  include <stdlib.h>
-#endif
-#ifdef NO_ERRNO_H
-    extern int errno;
-#else
-#   include <errno.h>
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#ifdef __SYMBIAN32__
-#include <zlib\zlib.h>
-#else
-#include <zlib.h>
-#endif
-
 #if defined(STRICTUNZIP) || defined(STRICTZIPUNZIP)
 /* like the STRICT of WIN32, we define a pointer that cannot be converted
     from (void*) without cast */
@@ -127,8 +102,7 @@ typedef voidp unzFile;
 #define UNZ_CRCERROR                    (-105)
 
 /* tm_unz contain date/time info */
-typedef struct tm_unz_s
-{
+typedef struct {
 	uInt tm_sec;            /* seconds after the minute - [0,59] */
 	uInt tm_min;            /* minutes after the hour - [0,59] */
 	uInt tm_hour;           /* hours since midnight - [0,23] */
@@ -139,8 +113,7 @@ typedef struct tm_unz_s
 
 /* unz_global_info structure contain global data about the ZIPfile
    These data comes from the end of central dir */
-typedef struct unz_global_info_s
-{
+typedef struct {
 	uLong number_entry;         /* total number of entries in
 				       the central dir on this disk */
 	uLong size_comment;         /* size of the global comment of the zipfile */
@@ -148,8 +121,7 @@ typedef struct unz_global_info_s
 
 
 /* unz_file_info contain information about a file in the zipfile */
-typedef struct unz_file_info_s
-{
+typedef struct {
     uLong version;              /* version made by                 2 bytes */
     uLong version_needed;       /* version needed to extract       2 bytes */
     uLong flag;                 /* general purpose bit flag        2 bytes */
@@ -169,9 +141,9 @@ typedef struct unz_file_info_s
     tm_unz tmu_date;
 } unz_file_info;
 
-extern int ZEXPORT unzStringFileNameCompare OF ((const char* fileName1,
+int unzStringFileNameCompare(const char* fileName1,
 												 const char* fileName2,
-												 int iCaseSensitivity));
+												 int iCaseSensitivity);
 /*
    Compare two filename (fileName1,fileName2).
    If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp)
@@ -182,7 +154,7 @@ extern int ZEXPORT unzStringFileNameCompare OF ((const char* fileName1,
 */
 
 
-extern unzFile ZEXPORT unzOpen OF((const char *path));
+unzFile unzOpen(const char *path);
 /*
   Open a Zip file. path contain the full pathname (by example,
      on a Windows NT computer "c:\\zlib\\zlib111.zip" or on an Unix computer
@@ -193,24 +165,22 @@ extern unzFile ZEXPORT unzOpen OF((const char *path));
 	   of this unzip package.
 */
 
-extern int ZEXPORT unzClose OF((unzFile file));
+int unzClose(unzFile file);
 /*
   Close a ZipFile opened with unzipOpen.
   If there is files inside the .Zip opened with unzOpenCurrentFile (see later),
     these files MUST be closed with unzipCloseCurrentFile before call unzipClose.
   return UNZ_OK if there is no problem. */
 
-extern int ZEXPORT unzGetGlobalInfo OF((unzFile file,
-					unz_global_info *pglobal_info));
+int unzGetGlobalInfo(unzFile file,
+					unz_global_info *pglobal_info);
 /*
   Write info about the ZipFile in the *pglobal_info structure.
   No preparation of the structure is needed
   return UNZ_OK if there is no problem. */
 
 
-extern int ZEXPORT unzGetGlobalComment OF((unzFile file,
-										   char *szComment,
-					   uLong uSizeBuf));
+int unzGetGlobalComment(unzFile file, char *szComment, uLong uSizeBuf);
 /*
   Get the global comment string of the ZipFile, in the szComment buffer.
   uSizeBuf is the size of the szComment buffer.
@@ -221,22 +191,20 @@ extern int ZEXPORT unzGetGlobalComment OF((unzFile file,
 /***************************************************************************/
 /* Unzip package allow you browse the directory of the zipfile */
 
-extern int ZEXPORT unzGoToFirstFile OF((unzFile file));
+int unzGoToFirstFile(unzFile file);
 /*
   Set the current file of the zipfile to the first file.
   return UNZ_OK if there is no problem
 */
 
-extern int ZEXPORT unzGoToNextFile OF((unzFile file));
+int unzGoToNextFile(unzFile file);
 /*
   Set the current file of the zipfile to the next file.
   return UNZ_OK if there is no problem
   return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest.
 */
 
-extern int ZEXPORT unzLocateFile OF((unzFile file,
-				     const char *szFileName,
-				     int iCaseSensitivity));
+int unzLocateFile(unzFile file, const char *szFileName, int iCaseSensitivity);
 /*
   Try locate the file szFileName in the zipfile.
   For the iCaseSensitivity signification, see unzStringFileNameCompare
@@ -247,14 +215,14 @@ extern int ZEXPORT unzLocateFile OF((unzFile file,
 */
 
 
-extern int ZEXPORT unzGetCurrentFileInfo OF((unzFile file,
+int unzGetCurrentFileInfo(unzFile file,
 					     unz_file_info *pfile_info,
 					     char *szFileName,
 					     uLong fileNameBufferSize,
 					     void *extraField,
 					     uLong extraFieldBufferSize,
 					     char *szComment,
-					     uLong commentBufferSize));
+					     uLong commentBufferSize);
 /*
   Get Info about the current file
   if pfile_info!=NULL, the *pfile_info structure will contain somes info about
@@ -273,22 +241,20 @@ extern int ZEXPORT unzGetCurrentFileInfo OF((unzFile file,
    from it, and close it (you can close it before reading all the file)
    */
 
-extern int ZEXPORT unzOpenCurrentFile OF((unzFile file));
+int unzOpenCurrentFile(unzFile file);
 /*
   Open for reading data the current file in the zipfile.
   If there is no error, the return value is UNZ_OK.
 */
 
-extern int ZEXPORT unzCloseCurrentFile OF((unzFile file));
+int unzCloseCurrentFile(unzFile file);
 /*
   Close the file in zip opened with unzOpenCurrentFile
   Return UNZ_CRCERROR if all the file was read but the CRC is not good
 */
 
 
-extern int ZEXPORT unzReadCurrentFile OF((unzFile file,
-					  voidp buf,
-					  unsigned len));
+int unzReadCurrentFile(unzFile file, voidp buf, unsigned len);
 /*
   Read bytes from the current file (opened by unzOpenCurrentFile)
   buf contain buffer where data must be copied
@@ -300,19 +266,17 @@ extern int ZEXPORT unzReadCurrentFile OF((unzFile file,
     (UNZ_ERRNO for IO error, or zLib error for uncompress error)
 */
 
-extern z_off_t ZEXPORT unztell OF((unzFile file));
+z_off_t unztell(unzFile file);
 /*
   Give the current position in uncompressed data
 */
 
-extern int ZEXPORT unzeof OF((unzFile file));
+int unzeof(unzFile file);
 /*
   return 1 if the end of file was reached, 0 elsewhere
 */
 
-extern int ZEXPORT unzGetLocalExtrafield OF((unzFile file,
-											 voidp buf,
-											 unsigned len));
+int unzGetLocalExtrafield(unzFile file, voidp buf, unsigned len);
 /*
   Read extra field from the current file (opened by unzOpenCurrentFile)
   This is the local-header version of the extra field (sometimes, there is
@@ -326,19 +290,6 @@ extern int ZEXPORT unzGetLocalExtrafield OF((unzFile file,
 	the error code
 */
 
-#ifdef __cplusplus
-}
-#endif
-
-
-
-#ifndef local
-#  define local static
-#endif
-/* compile with -Dlocal if your debugger can't find static symbols */
-
-
-
 #if !defined(unix) && !defined(CASESENSITIVITYDEFAULT_YES) && \
                       !defined(CASESENSITIVITYDEFAULT_NO)
 #define CASESENSITIVITYDEFAULT_NO
@@ -353,45 +304,22 @@ extern int ZEXPORT unzGetLocalExtrafield OF((unzFile file,
 #define UNZ_MAXFILENAMEINZIP (256)
 #endif
 
-#ifndef ALLOC
-# define ALLOC(size) (malloc(size))
-#endif
-#ifndef TRYFREE
-# define TRYFREE(p) {if (p) free(p);}
-#endif
-
 #define SIZECENTRALDIRITEM (0x2e)
 #define SIZEZIPLOCALHEADER (0x1e)
 
 
-/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */
-
-#ifndef SEEK_CUR
-#define SEEK_CUR    1
-#endif
-
-#ifndef SEEK_END
-#define SEEK_END    2
-#endif
-
-#ifndef SEEK_SET
-#define SEEK_SET    0
-#endif
-
 const char unz_copyright[] =
    " unzip 0.15 Copyright 1998 Gilles Vollant ";
 
 /* unz_file_info_interntal contain internal info about a file in zipfile*/
-typedef struct unz_file_info_internal_s
-{
+typedef struct {
     uLong offset_curfile;/* relative offset of local header 4 bytes */
 } unz_file_info_internal;
 
 
 /* file_in_zip_read_info_s contain internal information about a file in zipfile,
     when reading and decompress it */
-typedef struct
-{
+typedef struct {
 	char  *read_buffer;         /* internal buffer for compressed data */
 	z_stream stream;            /* zLib stream structure for inflate */
 
@@ -414,8 +342,7 @@ typedef struct
 
 /* unz_s contain internal information about the zipfile
 */
-typedef struct
-{
+typedef struct {
 	Common::File file;				/* io structore of the zipfile */
 	unz_global_info gi;				/* public global information */
 	uLong byte_before_the_zipfile;	/* byte before the zipfile, (>0 for sfx)*/
@@ -441,14 +368,11 @@ typedef struct
 */
 
 
-/*local int unzlocal_getByte(Common::File &fin, int *pi)
-{
+/*static int unzlocal_getByte(Common::File &fin, int *pi) {
     unsigned char c = fin.readByte();
       *pi = (int)c;
         return UNZ_OK;
-    }
-    else
-    {
+    } else {
         if (fin.ioFailed())
             return UNZ_ERRNO;
         else
@@ -460,39 +384,16 @@ typedef struct
 /* ===========================================================================
    Reads a long in LSB order from the given gz_stream. Sets
 */
-local int unzlocal_getShort (Common::File &fin, uLong *pX)
-{
+static int unzlocal_getShort(Common::File &fin, uLong *pX) {
 	*pX = fin.readUint16LE();
 	return UNZ_OK;
 }
 
-local int unzlocal_getLong (Common::File &fin, uLong *pX)
-{
+static int unzlocal_getLong(Common::File &fin, uLong *pX) {
 	*pX = fin.readUint32LE();
 	return UNZ_OK;
 }
 
-/* My own strcmpi / strcasecmp */
-local int strcmpcasenosensitive_internal (const char* fileName1, const char* fileName2) {
-	for (;;)
-	{
-		char c1=*(fileName1++);
-		char c2=*(fileName2++);
-		if ((c1>='a') && (c1<='z'))
-			c1 -= 0x20;
-		if ((c2>='a') && (c2<='z'))
-			c2 -= 0x20;
-		if (c1=='\0')
-			return ((c2=='\0') ? 0 : -1);
-		if (c2=='\0')
-			return 1;
-		if (c1<c2)
-			return -1;
-		if (c1>c2)
-			return 1;
-	}
-}
-
 
 #ifdef  CASESENSITIVITYDEFAULT_NO
 #define CASESENSITIVITYDEFAULTVALUE 2
@@ -500,10 +401,6 @@ local int strcmpcasenosensitive_internal (const char* fileName1, const char* fil
 #define CASESENSITIVITYDEFAULTVALUE 1
 #endif
 
-#ifndef STRCMPCASENOSENTIVEFUNCTION
-#define STRCMPCASENOSENTIVEFUNCTION strcmpcasenosensitive_internal
-#endif
-
 /*
    Compare two filename (fileName1,fileName2).
    If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp)
@@ -513,15 +410,14 @@ local int strcmpcasenosensitive_internal (const char* fileName1, const char* fil
         (like 1 on Unix, 2 on Windows)
 
 */
-extern int ZEXPORT unzStringFileNameCompare (const char* fileName1, const char* fileName2, int iCaseSensitivity)
-{
+int unzStringFileNameCompare(const char* fileName1, const char* fileName2, int iCaseSensitivity) {
 	if (iCaseSensitivity==0)
 		iCaseSensitivity=CASESENSITIVITYDEFAULTVALUE;
 
 	if (iCaseSensitivity==1)
 		return strcmp(fileName1,fileName2);
 
-	return STRCMPCASENOSENTIVEFUNCTION(fileName1,fileName2);
+	return scumm_stricmp(fileName1,fileName2);
 }
 
 #define BUFREADCOMMENT (0x400)
@@ -530,8 +426,7 @@ extern int ZEXPORT unzStringFileNameCompare (const char* fileName1, const char*
   Locate the Central directory of a zipfile (at the end, just before
     the global comment)
 */
-local uLong unzlocal_SearchCentralDir(Common::File &fin)
-{
+static uLong unzlocal_SearchCentralDir(Common::File &fin) {
 	unsigned char* buf;
 	uLong uSizeFile;
 	uLong uBackRead;
@@ -545,13 +440,12 @@ local uLong unzlocal_SearchCentralDir(Common::File &fin)
 	if (uMaxBack>uSizeFile)
 		uMaxBack = uSizeFile;
 
-	buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4);
+	buf = (unsigned char*)malloc(BUFREADCOMMENT+4);
 	if (buf==NULL)
 		return 0;
 
 	uBackRead = 4;
-	while (uBackRead<uMaxBack)
-	{
+	while (uBackRead<uMaxBack) {
 		uLong uReadSize,uReadPos ;
 		int i;
 		if (uBackRead+BUFREADCOMMENT>uMaxBack)
@@ -580,7 +474,7 @@ local uLong unzlocal_SearchCentralDir(Common::File &fin)
 		if (uPosFound!=0)
 			break;
 	}
-	TRYFREE(buf);
+	free(buf);
 	return uPosFound;
 }
 
@@ -593,8 +487,7 @@ local uLong unzlocal_SearchCentralDir(Common::File &fin)
      Else, the return value is a unzFile Handle, usable with other function
 	   of this unzip package.
 */
-extern unzFile ZEXPORT unzOpen (const char *path)
-{
+unzFile unzOpen(const char *path) {
 	unz_s *us = new unz_s;
 	uLong central_pos,uL;
 
@@ -683,8 +576,7 @@ extern unzFile ZEXPORT unzOpen (const char *path)
   If there is files inside the .Zip opened with unzipOpenCurrentFile (see later),
     these files MUST be closed with unzipCloseCurrentFile before call unzipClose.
   return UNZ_OK if there is no problem. */
-extern int ZEXPORT unzClose (unzFile file)
-{
+int unzClose(unzFile file) {
 	unz_s* s;
 	if (file==NULL)
 		return UNZ_PARAMERROR;
@@ -703,8 +595,7 @@ extern int ZEXPORT unzClose (unzFile file)
   Write info about the ZipFile in the *pglobal_info structure.
   No preparation of the structure is needed
   return UNZ_OK if there is no problem. */
-extern int ZEXPORT unzGetGlobalInfo (unzFile file, unz_global_info *pglobal_info)
-{
+int unzGetGlobalInfo (unzFile file, unz_global_info *pglobal_info) {
 	unz_s* s;
 	if (file==NULL)
 		return UNZ_PARAMERROR;
@@ -717,8 +608,7 @@ extern int ZEXPORT unzGetGlobalInfo (unzFile file, unz_global_info *pglobal_info
 /*
    Translate date/time from Dos format to tm_unz (readable more easilty)
 */
-local void unzlocal_DosDateToTmuDate (uLong ulDosDate, tm_unz* ptm)
-{
+static void unzlocal_DosDateToTmuDate (uLong ulDosDate, tm_unz* ptm) {
 	uLong uDate;
 	uDate = (uLong)(ulDosDate>>16);
 	ptm->tm_mday = (uInt)(uDate&0x1f) ;
@@ -733,7 +623,7 @@ local void unzlocal_DosDateToTmuDate (uLong ulDosDate, tm_unz* ptm)
 /*
   Get Info about the current file in the zipfile, with internal only info
 */
-local int unzlocal_GetCurrentFileInfoInternal OF((unzFile file,
+static int unzlocal_GetCurrentFileInfoInternal(unzFile file,
                                                   unz_file_info *pfile_info,
                                                   unz_file_info_internal
                                                   *pfile_info_internal,
@@ -742,9 +632,9 @@ local int unzlocal_GetCurrentFileInfoInternal OF((unzFile file,
                                                   void *extraField,
 												  uLong extraFieldBufferSize,
                                                   char *szComment,
-												  uLong commentBufferSize));
+												  uLong commentBufferSize);
 
-local int unzlocal_GetCurrentFileInfoInternal (unzFile file,
+static int unzlocal_GetCurrentFileInfoInternal(unzFile file,
                                               unz_file_info *pfile_info,
                                               unz_file_info_internal *pfile_info_internal,
                                               char *szFileName, uLong fileNameBufferSize,
@@ -767,8 +657,7 @@ local int unzlocal_GetCurrentFileInfoInternal (unzFile file,
 
 
 	/* we check the magic */
-	if (err==UNZ_OK)
-	{
+	if (err==UNZ_OK) {
 		if (unzlocal_getLong(s->file,&uMagic) != UNZ_OK)
 			err=UNZ_ERRNO;
 		else if (uMagic!=0x02014b50)
@@ -823,15 +712,12 @@ local int unzlocal_GetCurrentFileInfoInternal (unzFile file,
 		err=UNZ_ERRNO;
 
 	lSeek+=file_info.size_filename;
-	if ((err==UNZ_OK) && (szFileName!=NULL))
-	{
+	if ((err==UNZ_OK) && (szFileName!=NULL)) {
 		uLong uSizeRead ;
-		if (file_info.size_filename<fileNameBufferSize)
-		{
+		if (file_info.size_filename<fileNameBufferSize) {
 			*(szFileName+file_info.size_filename)='\0';
 			uSizeRead = file_info.size_filename;
-		}
-		else
+		} else
 			uSizeRead = fileNameBufferSize;
 
 		if ((file_info.size_filename>0) && (fileNameBufferSize>0))
@@ -841,16 +727,14 @@ local int unzlocal_GetCurrentFileInfoInternal (unzFile file,
 	}
 
 
-	if ((err==UNZ_OK) && (extraField!=NULL))
-	{
+	if ((err==UNZ_OK) && (extraField!=NULL)) {
 		uLong uSizeRead ;
 		if (file_info.size_file_extra<extraFieldBufferSize)
 			uSizeRead = file_info.size_file_extra;
 		else
 			uSizeRead = extraFieldBufferSize;
 
-		if (lSeek!=0)
-		{
+		if (lSeek!=0) {
 			s->file.seek(lSeek, SEEK_CUR);
 			if (s->file.ioFailed())
 				lSeek=0;
@@ -866,19 +750,15 @@ local int unzlocal_GetCurrentFileInfoInternal (unzFile file,
 		lSeek+=file_info.size_file_extra;
 
 
-	if ((err==UNZ_OK) && (szComment!=NULL))
-	{
+	if ((err==UNZ_OK) && (szComment!=NULL)) {
 		uLong uSizeRead ;
-		if (file_info.size_file_comment<commentBufferSize)
-		{
+		if (file_info.size_file_comment<commentBufferSize) {
 			*(szComment+file_info.size_file_comment)='\0';
 			uSizeRead = file_info.size_file_comment;
-		}
-		else
+		} else
 			uSizeRead = commentBufferSize;
 
-		if (lSeek!=0)
-		{
+		if (lSeek!=0) {
 			s->file.seek(lSeek, SEEK_CUR);
 			if (s->file.ioFailed())
 				lSeek=0;
@@ -889,8 +769,7 @@ local int unzlocal_GetCurrentFileInfoInternal (unzFile file,
 			if (s->file.read(szComment,(uInt)uSizeRead)!=uSizeRead)
 				err=UNZ_ERRNO;
 		lSeek+=file_info.size_file_comment - uSizeRead;
-	}
-	else
+	} else
 		lSeek+=file_info.size_file_comment;
 
 	if ((err==UNZ_OK) && (pfile_info!=NULL))
@@ -909,7 +788,7 @@ local int unzlocal_GetCurrentFileInfoInternal (unzFile file,
   No preparation of the structure is needed
   return UNZ_OK if there is no problem.
 */
-extern int ZEXPORT unzGetCurrentFileInfo (unzFile file,
+int unzGetCurrentFileInfo(unzFile file,
                                                   unz_file_info *pfile_info,
                                                   char *szFileName, uLong fileNameBufferSize,
                                                   void *extraField, uLong extraFieldBufferSize,
@@ -925,8 +804,7 @@ extern int ZEXPORT unzGetCurrentFileInfo (unzFile file,
   Set the current file of the zipfile to the first file.
   return UNZ_OK if there is no problem
 */
-extern int ZEXPORT unzGoToFirstFile (unzFile file)
-{
+int unzGoToFirstFile(unzFile file) {
 	int err=UNZ_OK;
 	unz_s* s;
 	if (file==NULL)
@@ -947,8 +825,7 @@ extern int ZEXPORT unzGoToFirstFile (unzFile file)
   return UNZ_OK if there is no problem
   return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest.
 */
-extern int ZEXPORT unzGoToNextFile (unzFile file)
-{
+int unzGoToNextFile(unzFile file) {
 	unz_s* s;
 	int err;
 
@@ -979,8 +856,7 @@ extern int ZEXPORT unzGoToNextFile (unzFile file)
   UNZ_OK if the file is found. It becomes the current file.
   UNZ_END_OF_LIST_OF_FILE if the file is not found
 */
-extern int ZEXPORT unzLocateFile (unzFile file, const char *szFileName, int iCaseSensitivity)
-{
+int unzLocateFile(unzFile file, const char *szFileName, int iCaseSensitivity) {
 	unz_s* s;
 	int err;
 
@@ -1004,8 +880,7 @@ extern int ZEXPORT unzLocateFile (unzFile file, const char *szFileName, int iCas
 
 	err = unzGoToFirstFile(file);
 
-	while (err == UNZ_OK)
-	{
+	while (err == UNZ_OK) {
 		char szCurrentFileName[UNZ_MAXFILENAMEINZIP+1];
 		unzGetCurrentFileInfo(file,NULL,
 								szCurrentFileName,sizeof(szCurrentFileName)-1,
@@ -1029,10 +904,9 @@ extern int ZEXPORT unzLocateFile (unzFile file, const char *szFileName, int iCas
   store in *piSizeVar the size of extra info in local header
         (filename and size of extra field data)
 */
-local int unzlocal_CheckCurrentFileCoherencyHeader (unz_s* s, uInt* piSizeVar,
+static int unzlocal_CheckCurrentFileCoherencyHeader(unz_s* s, uInt* piSizeVar,
 													uLong *poffset_local_extrafield,
-													uInt  *psize_local_extrafield)
-{
+													uInt  *psize_local_extrafield) {
 	uLong uMagic,uData,uFlags;
 	uLong size_filename;
 	uLong size_extra_field;
@@ -1048,8 +922,7 @@ local int unzlocal_CheckCurrentFileCoherencyHeader (unz_s* s, uInt* piSizeVar,
 		return UNZ_ERRNO;
 
 
-	if (err==UNZ_OK)
-	{
+	if (err==UNZ_OK) {
 		if (unzlocal_getLong(s->file,&uMagic) != UNZ_OK)
 			err=UNZ_ERRNO;
 		else if (uMagic!=0x04034b50)
@@ -1118,8 +991,7 @@ local int unzlocal_CheckCurrentFileCoherencyHeader (unz_s* s, uInt* piSizeVar,
   Open for reading data the current file in the zipfile.
   If there is no error and the file is opened, the return value is UNZ_OK.
 */
-extern int ZEXPORT unzOpenCurrentFile (unzFile file)
-{
+int unzOpenCurrentFile (unzFile file) {
 	int err=UNZ_OK;
 	int Store;
 	uInt iSizeVar;
@@ -1141,19 +1013,19 @@ extern int ZEXPORT unzOpenCurrentFile (unzFile file)
 				&offset_local_extrafield,&size_local_extrafield)!=UNZ_OK)
 		return UNZ_BADZIPFILE;
 
-	pfile_in_zip_read_info = (file_in_zip_read_info_s*) ALLOC(sizeof(file_in_zip_read_info_s));
+	pfile_in_zip_read_info = (file_in_zip_read_info_s*) malloc(sizeof(file_in_zip_read_info_s));
 
 	if (pfile_in_zip_read_info==NULL)
 		return UNZ_INTERNALERROR;
 
-	pfile_in_zip_read_info->read_buffer=(char*)ALLOC(UNZ_BUFSIZE);
+	pfile_in_zip_read_info->read_buffer=(char*)malloc(UNZ_BUFSIZE);
 	pfile_in_zip_read_info->offset_local_extrafield = offset_local_extrafield;
 	pfile_in_zip_read_info->size_local_extrafield = size_local_extrafield;
 	pfile_in_zip_read_info->pos_local_extrafield=0;
 
 	if (pfile_in_zip_read_info->read_buffer==NULL)
 	{
-		TRYFREE(pfile_in_zip_read_info);
+		free(pfile_in_zip_read_info);
 		return UNZ_INTERNALERROR;
 	}
 
@@ -1213,8 +1085,7 @@ extern int ZEXPORT unzOpenCurrentFile (unzFile file)
   return <0 with error code if there is an error
     (UNZ_ERRNO for IO error, or zLib error for uncompress error)
 */
-extern int ZEXPORT unzReadCurrentFile  (unzFile file, voidp buf, unsigned len)
-{
+int unzReadCurrentFile(unzFile file, voidp buf, unsigned len) {
 	int err=UNZ_OK;
 	uInt iRead = 0;
 	unz_s* s;
@@ -1326,8 +1197,7 @@ extern int ZEXPORT unzReadCurrentFile  (unzFile file, voidp buf, unsigned len)
 /*
   Give the current position in uncompressed data
 */
-extern z_off_t ZEXPORT unztell (unzFile file)
-{
+z_off_t unztell(unzFile file) {
 	unz_s* s;
 	file_in_zip_read_info_s* pfile_in_zip_read_info;
 	if (file==NULL)
@@ -1345,8 +1215,7 @@ extern z_off_t ZEXPORT unztell (unzFile file)
 /*
   return 1 if the end of file was reached, 0 elsewhere
 */
-extern int ZEXPORT unzeof (unzFile file)
-{
+int unzeof(unzFile file) {
 	unz_s* s;
 	file_in_zip_read_info_s* pfile_in_zip_read_info;
 	if (file==NULL)
@@ -1377,8 +1246,7 @@ extern int ZEXPORT unzeof (unzFile file)
   the return value is the number of bytes copied in buf, or (if <0)
 	the error code
 */
-extern int ZEXPORT unzGetLocalExtrafield (unzFile file,voidp buf,unsigned len)
-{
+int unzGetLocalExtrafield(unzFile file, voidp buf, unsigned len) {
 	unz_s* s;
 	file_in_zip_read_info_s* pfile_in_zip_read_info;
 	uInt read_now;
@@ -1421,8 +1289,7 @@ extern int ZEXPORT unzGetLocalExtrafield (unzFile file,voidp buf,unsigned len)
   Close the file in zip opened with unzipOpenCurrentFile
   Return UNZ_CRCERROR if all the file was read but the CRC is not good
 */
-extern int ZEXPORT unzCloseCurrentFile (unzFile file)
-{
+int unzCloseCurrentFile(unzFile file) {
 	int err=UNZ_OK;
 
 	unz_s* s;
@@ -1442,13 +1309,13 @@ extern int ZEXPORT unzCloseCurrentFile (unzFile file)
 	}
 
 
-	TRYFREE(pfile_in_zip_read_info->read_buffer);
+	free(pfile_in_zip_read_info->read_buffer);
 	pfile_in_zip_read_info->read_buffer = NULL;
 	if (pfile_in_zip_read_info->stream_initialised)
 		inflateEnd(&pfile_in_zip_read_info->stream);
 
 	pfile_in_zip_read_info->stream_initialised = 0;
-	TRYFREE(pfile_in_zip_read_info);
+	free(pfile_in_zip_read_info);
 
 	s->pfile_in_zip_read=NULL;
 
@@ -1461,8 +1328,7 @@ extern int ZEXPORT unzCloseCurrentFile (unzFile file)
   uSizeBuf is the size of the szComment buffer.
   return the number of byte copied or an error code <0
 */
-extern int ZEXPORT unzGetGlobalComment (unzFile file, char *szComment, uLong uSizeBuf)
-{
+int unzGetGlobalComment(unzFile file, char *szComment, uLong uSizeBuf) {
 	unz_s* s;
 	uLong uReadThis ;
 	if (file==NULL)