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ADFlib/src/adf_env.c
2013-02-21 22:36:30 +01:00

262 lines
7.0 KiB
C

/*
* ADF Library
*
* adf_env.c
*
* $Id$
*
* library context and customization code
*
* This file is part of ADFLib.
*
* ADFLib is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* ADFLib is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Foobar; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include<stdio.h>
#include<stdlib.h>
#include"adf_defs.h"
#include"adf_str.h"
#include"adf_nativ.h"
#include"adf_env.h"
#include"defendian.h"
union u{
int32_t l;
char c[4];
};
ENV_DECLARATION;
void rwHeadAccess(SECTNUM physical, SECTNUM logical, BOOL write)
{
/* display the physical sector, the logical block, and if the access is read or write */
fprintf(stderr, "phy %d / log %d : %c\n", physical, logical, write ? 'W' : 'R');
}
void progressBar(int perCentDone)
{
fprintf(stderr,"%d %% done\n",perCentDone);
}
void Warning(char* msg) {
fprintf(stderr,"Warning <%s>\n",msg);
}
void Error(char* msg) {
fprintf(stderr,"Error <%s>\n",msg);
/* exit(1);*/
}
void Verbose(char* msg) {
fprintf(stderr,"Verbose <%s>\n",msg);
}
void Changed(SECTNUM nSect, int changedType)
{
/* switch(changedType) {
case ST_FILE:
fprintf(stderr,"Notification : sector %ld (FILE)\n",nSect);
break;
case ST_DIR:
fprintf(stderr,"Notification : sector %ld (DIR)\n",nSect);
break;
case ST_ROOT:
fprintf(stderr,"Notification : sector %ld (ROOT)\n",nSect);
break;
default:
fprintf(stderr,"Notification : sector %ld (???)\n",nSect);
}
*/}
/*
* adfInitEnv
*
*/
void adfEnvInitDefault()
{
/* char str[80];*/
union u val;
/* internal checking */
if (sizeof(short)!=2)
{ fprintf(stderr,"Compilation error : sizeof(short)!=2\n"); exit(1); }
if (sizeof(int32_t)!=4)
{ fprintf(stderr,"Compilation error : sizeof(short)!=2\n"); exit(1); }
if (sizeof(struct bEntryBlock)!=512)
{ fprintf(stderr,"Internal error : sizeof(struct bEntryBlock)!=512\n"); exit(1); }
if (sizeof(struct bRootBlock)!=512)
{ fprintf(stderr,"Internal error : sizeof(struct bRootBlock)!=512\n"); exit(1); }
if (sizeof(struct bDirBlock)!=512)
{ fprintf(stderr,"Internal error : sizeof(struct bDirBlock)!=512\n"); exit(1); }
if (sizeof(struct bBootBlock)!=1024)
{ fprintf(stderr,"Internal error : sizeof(struct bBootBlock)!=1024\n"); exit(1); }
if (sizeof(struct bFileHeaderBlock)!=512)
{ fprintf(stderr,"Internal error : sizeof(struct bFileHeaderBlock)!=512\n"); exit(1); }
if (sizeof(struct bFileExtBlock)!=512)
{ fprintf(stderr,"Internal error : sizeof(struct bFileExtBlock)!=512\n"); exit(1); }
if (sizeof(struct bOFSDataBlock)!=512)
{ fprintf(stderr,"Internal error : sizeof(struct bOFSDataBlock)!=512\n"); exit(1); }
if (sizeof(struct bBitmapBlock)!=512)
{ fprintf(stderr,"Internal error : sizeof(struct bBitmapBlock)!=512\n"); exit(1); }
if (sizeof(struct bBitmapExtBlock)!=512)
{ fprintf(stderr,"Internal error : sizeof(struct bBitmapExtBlock)!=512\n"); exit(1); }
if (sizeof(struct bLinkBlock)!=512)
{ fprintf(stderr,"Internal error : sizeof(struct bLinkBlock)!=512\n"); exit(1); }
val.l=1L;
/* if LITT_ENDIAN not defined : must be BIG endian */
#ifndef LITT_ENDIAN
if (val.c[3]!=1) /* little endian : LITT_ENDIAN must be defined ! */
{ fprintf(stderr,"Compilation error : #define LITT_ENDIAN must exist\n"); exit(1); }
#else
if (val.c[3]==1) /* big endian : LITT_ENDIAN must not be defined ! */
{ fprintf(stderr,"Compilation error : #define LITT_ENDIAN must not exist\n"); exit(1); }
#endif
adfEnv.wFct = Warning;
adfEnv.eFct = Error;
adfEnv.vFct = Verbose;
adfEnv.notifyFct = Changed;
adfEnv.rwhAccess = rwHeadAccess;
adfEnv.progressBar = progressBar;
adfEnv.useDirCache = FALSE;
adfEnv.useRWAccess = FALSE;
adfEnv.useNotify = FALSE;
adfEnv.useProgressBar = FALSE;
/* sprintf(str,"ADFlib %s (%s)",adfGetVersionNumber(),adfGetVersionDate());
(*adfEnv.vFct)(str);
*/
adfEnv.nativeFct=(struct nativeFunctions*)malloc(sizeof(struct nativeFunctions));
if (!adfEnv.nativeFct) (*adfEnv.wFct)("adfInitDefaultEnv : malloc");
adfInitNativeFct();
}
/*
* adfEnvCleanUp
*
*/
void adfEnvCleanUp()
{
free(adfEnv.nativeFct);
}
/*
* adfChgEnvProp
*
* compilation warnings
* adf_env.c: In function adfChgEnvProp:
* adf_env.c:176: warning: ISO C forbids conversion of object pointer to function pointer type
* adf_env.c:179: warning: ISO C forbids conversion of object pointer to function pointer type
* adf_env.c:182: warning: ISO C forbids conversion of object pointer to function pointer type
* adf_env.c:185: warning: ISO C forbids conversion of object pointer to function pointer type
* adf_env.c:192: warning: ISO C forbids conversion of object pointer to function pointer type
* adf_env.c:203: warning: ISO C forbids conversion of object pointer to function pointer type
*
*/
void adfChgEnvProp(int prop, void *new)
{
BOOL *newBool;
/* int *newInt;*/
switch(prop) {
case PR_VFCT:
adfEnv.vFct = (void(*)(char*))new;
break;
case PR_WFCT:
adfEnv.wFct = (void(*)(char*))new;
break;
case PR_EFCT:
adfEnv.eFct = (void(*)(char*))new;
break;
case PR_NOTFCT:
adfEnv.notifyFct = (void(*)(SECTNUM,int))new;
break;
case PR_USE_NOTFCT:
newBool = (BOOL*)new;
adfEnv.useNotify = *newBool;
break;
case PR_PROGBAR:
adfEnv.progressBar = (void(*)(int))new;
break;
case PR_USE_PROGBAR:
newBool = (BOOL*)new;
adfEnv.useProgressBar = *newBool;
break;
case PR_USE_RWACCESS:
newBool = (BOOL*)new;
adfEnv.useRWAccess = *newBool;
break;
case PR_RWACCESS:
adfEnv.rwhAccess = (void(*)(SECTNUM,SECTNUM,BOOL))new;
break;
case PR_USEDIRC:
newBool = (BOOL*)new;
adfEnv.useDirCache = *newBool;
break;
}
}
/*
* adfSetEnv
*
*/
void adfSetEnvFct( void(*eFct)(char*), void(*wFct)(char*), void(*vFct)(char*),
void(*notFct)(SECTNUM,int) )
{
if (*eFct!=0)
adfEnv.eFct = *eFct;
if (*wFct!=0)
adfEnv.wFct = *wFct;
if (*vFct!=0)
adfEnv.vFct = *vFct;
if (*notFct!=0)
adfEnv.notifyFct = *notFct;
}
/*
* adfGetVersionNumber
*
*/
char* adfGetVersionNumber()
{
return(ADFLIB_VERSION);
}
/*
* adfGetVersionDate
*
*/
char* adfGetVersionDate()
{
return(ADFLIB_DATE);
}
/*##################################################################################*/