int IsoFileSeek(struct IsoFile *file, off64_t sector)
{
int retval;
if (file == NULL) return(-1);
if (sector < 0) return(-1);
if (sector == file->sectorpos) return(0);
#ifdef VERBOSE_FUNCTION_ISOFILE
PrintLog("CDVD isofile: IsoFileSeek(%llu)", sector);
#endif /* VERBOSE_FUNCTION_ISOFILE */
if (file->multi > 0)
{
retval = MultiFileSeek(file, sector);
}
else if (file->compress > 0)
{
retval = CompressSeek(file, sector);
}
else
{
retval = ActualFileSeek(file->handle,
(sector * file->blocksize) + file->imageheader);
if (retval == 0)
{
file->filesectorpos = sector;
file->filebytepos = (sector * file->blocksize) + file->imageheader;
} // ENDIF- Succeeded? Adjust internal pointers
} // ENDLONGIF- Seek right file? Or compressed block? Or Raw block?
if (retval < 0)
{
#ifdef VERBOSE_FUNCTION_ISOFILE
PrintLog("CDVD isofile: Trouble finding the sector!");
#endif /* VERBOSE_FUNCTION_ISOFILE */
return(-1);
} // ENDIF- Trouble reading the block? Say so!
file->sectorpos = sector;
return(0);
} // END IsoFileSeek()
int INISaveString(char *file, char *section, char *keyword, char *value)
{
char inname[INIMAXLEN + 1];
char outname[INIMAXLEN + 1];
int filepos;
ACTUALHANDLE infile;
ACTUALHANDLE outfile;
int i;
int retval;
char templine[INIMAXLEN + 1];
if (file == NULL) return (-1);
if (section == NULL) return (-1);
if (keyword == NULL) return (-1);
if (value == NULL) return (-1);
#ifdef VERBOSE_FUNCTION_INI
PrintLog("CDVDiso ini: SaveString(%s, %s, %s, %s)",
file, section, keyword, value);
#endif /* VERBOSE_FUNCTION_INI */
filepos = INIRemoveExt(file, inname);
for (i = 0; i <= filepos; i++) outname[i] = inname[i];
INIAddInExt(inname, filepos);
INIAddOutExt(outname, filepos);
filepos = 0;
infile = ActualFileOpenForRead(inname);
if (infile == ACTUALHANDLENULL) {
#ifdef VERBOSE_FUNCTION_INI
PrintLog("CDVDiso ini: creating new file");
#endif /* VERBOSE_FUNCTION_INI */
outfile = ActualFileOpenForWrite(inname);
if (outfile == ACTUALHANDLENULL) return (-1); // Just a bad name? Abort.
sprintf(templine, "[%s]\r\n", section);
i = 0;
while ((i < INIMAXLEN) && (templine[i] != 0)) i++;
retval = ActualFileWrite(outfile, i, templine);
if (retval < i) {
ActualFileClose(outfile);
outfile = ACTUALHANDLENULL;
ActualFileDelete(inname);
return (-1);
} // ENDIF- Trouble writing it out? Abort.
sprintf(templine, "%s=%s\r\n", keyword, value);
i = 0;
while ((i < INIMAXLEN) && (templine[i] != 0)) i++;
retval = ActualFileWrite(outfile, i, templine);
ActualFileClose(outfile);
outfile = ACTUALHANDLENULL;
if (retval < i) {
ActualFileDelete(inname);
return (-1);
} // ENDIF- Trouble writing it out? Abort.
return (0);
} // ENDIF- No input file? Create a brand new .ini file then.
retval = INIFindSection(infile, section);
if (retval < 0) {
#ifdef VERBOSE_FUNCTION_INI
PrintLog("CDVDiso ini: creating new section");
#endif /* VERBOSE_FUNCTION_INI */
outfile = ActualFileOpenForWrite(outname);
if (outfile == ACTUALHANDLENULL) {
ActualFileClose(infile);
infile = ACTUALHANDLENULL;
return (-1);
} // ENDIF- Couldn't open a temp file? Abort
ActualFileSeek(infile, 0); // Move ini to beginning of file...
INICopy(infile, outfile, 0x0FFFFFFF); // Copy the whole file out...
sprintf(templine, "\r\n[%s]\r\n", section);
i = 0;
while ((i < INIMAXLEN) && (templine[i] != 0)) i++;
retval = ActualFileWrite(outfile, i, templine);
if (retval < i) {
ActualFileClose(infile);
infile = ACTUALHANDLENULL;
ActualFileClose(outfile);
outfile = ACTUALHANDLENULL;
ActualFileDelete(outname);
return (-1);
} // ENDIF- Trouble writing it out? Abort.
sprintf(templine, "%s=%s\r\n", keyword, value);
i = 0;
while ((i < INIMAXLEN) && (templine[i] != 0)) i++;
retval = ActualFileWrite(outfile, i, templine);
ActualFileClose(infile);
infile = ACTUALHANDLENULL;
ActualFileClose(outfile);
outfile = ACTUALHANDLENULL;
if (retval < i) {
ActualFileDelete(outname);
return (-1);
} // ENDIF- Trouble writing it out? Abort.
ActualFileDelete(inname);
ActualFileRename(outname, inname);
return (0);
} // ENDIF- Couldn't find the section? Make a new one!
filepos = retval;
ActualFileSeek(infile, filepos);
filepos += INIReadLine(infile, templine); // Get section line's byte count
retval = INIFindKeyword(infile, keyword, NULL);
if (retval < 0) {
#ifdef VERBOSE_FUNCTION_INI
PrintLog("CDVDiso ini: creating new keyword");
#endif /* VERBOSE_FUNCTION_INI */
ActualFileSeek(infile, filepos);
retval = INIReadLine(infile, templine);
i = 0;
while ((i < INIMAXLEN) && (templine[i] != 0) && (templine[i] != '=')) i++;
while ((retval > 0) && (templine[i] == '=')) {
filepos += retval;
retval = INIReadLine(infile, templine);
i = 0;
while ((i < INIMAXLEN) && (templine[i] != 0) && (templine[i] != '=')) i++;
} // ENDWHILE- skimming to the bottom of the section
outfile = ActualFileOpenForWrite(outname);
if (outfile == ACTUALHANDLENULL) {
ActualFileClose(infile);
infile = ACTUALHANDLENULL;
return (-1);
} // ENDIF- Couldn't open a temp file? Abort
ActualFileSeek(infile, 0);
retval = INICopy(infile, outfile, filepos);
if (retval > 0) {
ActualFileClose(infile);
infile = ACTUALHANDLENULL;
ActualFileClose(outfile);
outfile = ACTUALHANDLENULL;
ActualFileDelete(outname);
return (-1);
} // ENDIF- Trouble writing everything up to keyword? Abort.
sprintf(templine, "%s=%s\r\n", keyword, value);
i = 0;
while ((i < INIMAXLEN) && (templine[i] != 0)) i++;
retval = ActualFileWrite(outfile, i, templine);
if (retval < i) {
ActualFileClose(infile);
infile = ACTUALHANDLENULL;
ActualFileClose(outfile);
outfile = ACTUALHANDLENULL;
ActualFileDelete(outname);
return (-1);
} // ENDIF- Trouble writing it out? Abort.
} else {
#ifdef VERBOSE_FUNCTION_INI
PrintLog("CDVDiso ini: replacing keyword");
#endif /* VERBOSE_FUNCTION_INI */
filepos += retval; // Position just before old version of keyword
outfile = ActualFileOpenForWrite(outname);
if (outfile == ACTUALHANDLENULL) {
ActualFileClose(infile);
infile = ACTUALHANDLENULL;
return (-1);
} // ENDIF- Couldn't open a temp file? Abort
ActualFileSeek(infile, 0);
retval = INICopy(infile, outfile, filepos);
if (retval > 0) {
ActualFileClose(infile);
infile = ACTUALHANDLENULL;
ActualFileClose(outfile);
outfile = ACTUALHANDLENULL;
ActualFileDelete(outname);
return (-1);
} // ENDIF- Trouble writing everything up to keyword? Abort.
INIReadLine(infile, templine); // Read past old keyword/value...
// Replace with new value
sprintf(templine, "%s=%s\r\n", keyword, value);
i = 0;
while ((i < INIMAXLEN) && (templine[i] != 0)) i++;
retval = ActualFileWrite(outfile, i, templine);
if (retval < i) {
ActualFileClose(infile);
infile = ACTUALHANDLENULL;
ActualFileClose(outfile);
outfile = ACTUALHANDLENULL;
ActualFileDelete(outname);
return (-1);
} // ENDIF- Trouble writing it out? Abort.
} // ENDIF- Need to add a new keyword?
INICopy(infile, outfile, 0xFFFFFFF); // Write out rest of file
ActualFileClose(infile);
infile = ACTUALHANDLENULL;
ActualFileClose(outfile);
outfile = ACTUALHANDLENULL;
ActualFileDelete(inname);
ActualFileRename(outname, inname);
return (0);
} // END INISaveString()
int INIRemove(char *file, char *section, char *keyword)
{
char inname[INIMAXLEN + 1];
char outname[INIMAXLEN + 1];
int filepos;
ACTUALHANDLE infile;
ACTUALHANDLE outfile;
char templine[INIMAXLEN + 1];
int i;
int retval;
if (file == NULL) return (-1);
if (section == NULL) return (-1);
#ifdef VERBOSE_FUNCTION_INI
PrintLog("CDVDiso ini: Remove(%s, %s, %s)",
file, section, keyword);
#endif /* VERBOSE_FUNCTION_INI */
filepos = INIRemoveExt(file, inname);
for (i = 0; i <= filepos; i++) outname[i] = inname[i];
INIAddInExt(inname, filepos);
INIAddOutExt(outname, filepos);
infile = ActualFileOpenForRead(inname);
if (infile == ACTUALHANDLENULL) return (-1);
retval = INIFindSection(infile, section);
if (retval == -1) {
ActualFileClose(infile);
infile = ACTUALHANDLENULL;
return (-1);
} // ENDIF- Couldn't even find the section? Abort
filepos = retval;
if (keyword == NULL) {
#ifdef VERBOSE_FUNCTION_INI
PrintLog("CDVDiso ini: removing section");
#endif /* VERBOSE_FUNCTION_INI */
outfile = ActualFileOpenForWrite(outname);
if (outfile == ACTUALHANDLENULL) {
ActualFileClose(infile);
infile = ACTUALHANDLENULL;
return (-1);
} // ENDIF- Couldn't open a temp file? Abort
ActualFileSeek(infile, 0);
retval = INICopy(infile, outfile, filepos);
if (retval > 0) {
ActualFileClose(infile);
infile = ACTUALHANDLENULL;
ActualFileClose(outfile);
outfile = ACTUALHANDLENULL;
ActualFileDelete(outname);
return (-1);
} // ENDIF- Trouble writing everything up to the section? Abort.
templine[0] = 0;
retval = 1;
while ((retval > 0) && (templine[0] != '['))
retval = INIReadLine(infile, templine); // ENDWHILE- Read to the start of the next section... or EOF.
if (templine[0] == '[') {
i = 0;
while ((i < INIMAXLEN) && (templine[i] != 0)) i++;
retval = ActualFileWrite(outfile, i, templine);
if (retval < i) {
ActualFileClose(infile);
infile = ACTUALHANDLENULL;
ActualFileClose(outfile);
outfile = ACTUALHANDLENULL;
ActualFileDelete(outname);
return (-1);
} // ENDIF- Trouble writing it out? Abort.
} // ENDIF- Are there other sections after this one? Save them then.
} else {
filepos = retval;
ActualFileSeek(infile, filepos);
filepos += INIReadLine(infile, templine); // Get section line's byte count
retval = INIFindKeyword(infile, keyword, NULL);
if (retval == -1) {
ActualFileClose(infile);
infile = ACTUALHANDLENULL;
return (-1);
} // ENDIF- Couldn't find the keyword? Abort
filepos += retval;
#ifdef VERBOSE_FUNCTION_INI
PrintLog("CDVDiso ini: removing keyword");
#endif /* VERBOSE_FUNCTION_INI */
outfile = ActualFileOpenForWrite(outname);
if (outfile == ACTUALHANDLENULL) {
ActualFileClose(infile);
infile = ACTUALHANDLENULL;
return (-1);
} // ENDIF- Couldn't open a temp file? Abort
ActualFileSeek(infile, 0);
retval = INICopy(infile, outfile, filepos);
if (retval > 0) {
ActualFileClose(infile);
infile = ACTUALHANDLENULL;
ActualFileClose(outfile);
outfile = ACTUALHANDLENULL;
ActualFileDelete(outname);
return (-1);
} // ENDIF- Trouble writing everything up to keyword? Abort.
INIReadLine(infile, templine); // Read (and discard) the keyword line
} // ENDIF- Wipe out the whole section? Or just a keyword?
INICopy(infile, outfile, 0xFFFFFFF); // Write out rest of file
ActualFileClose(infile);
infile = ACTUALHANDLENULL;
ActualFileClose(outfile);
outfile = ACTUALHANDLENULL;
ActualFileDelete(inname);
ActualFileRename(outname, inname);
return (0);
} // END INIRemove()
int DetectImageType(struct IsoFile *isofile) {
char comparestr[] = "CD001";
int newtype;
off64_t targetpos;
char teststr[2448];
int dataoffset;
int i;
int retval;
newtype = 0;
if(isofile->compress > 0) {
IsoFileSeek(isofile, 16);
IsoFileRead(isofile, teststr);
while(imagedata[newtype].name != NULL) {
if((isofile->blocksize == imagedata[newtype].blocksize) &&
(isofile->imageheader == imagedata[newtype].fileoffset)) {
dataoffset = imagedata[newtype].dataoffset + 1;
i = 0;
while((i < 5) && (teststr[dataoffset + i] == comparestr[i])) i++;
if(i == 5) {
GetImageType(isofile, newtype);
return(newtype);
} // ENDIF- Did we find a match?
} // ENDIF- Do these pieces match the compression storage pieces?
newtype++;
} // ENDWHILE- looking for the image type that fits the stats
} else {
while(imagedata[newtype].name != NULL) {
targetpos = (16 * imagedata[newtype].blocksize)
+ imagedata[newtype].fileoffset
+ imagedata[newtype].dataoffset
+ 1; // Moves to start of string
retval = ActualFileSeek(isofile->handle, targetpos);
if(retval == 0) {
retval = ActualFileRead(isofile->handle, 5, teststr);
if(retval == 5) {
i = 0;
while((i < 5) && (teststr[i] == comparestr[i])) i++;
if(i == 5) {
ActualFileSeek(isofile->handle, isofile->imageheader);
GetImageType(isofile, newtype);
return(newtype);
} // ENDIF- Did we find a match?
} // ENDIF- Could we read in the test string? Cool! Test it.
} // ENDIF- Could actually get to this point?
newtype++;
} // ENDWHILE- looking for the directory header string "CD001"
ActualFileSeek(isofile->handle, isofile->imageheader);
} // ENDIF- Do we match type to compression stats? (Or search against raw data?)
GetImageType(isofile, REDBOOK2352);
return(REDBOOK2352); // Couldn't find it? Guess it's RAW 2352, then. (Audio CD?)
} // END ImageDetect()
