/*
* oro - open read-only
*/
static NuError OpenReadOnlyFunc(ExerciserState* pState, int argc, char** argv)
{
NuError err;
NuArchive* pArchive;
assert(ExerciserState_GetNuArchive(pState) == NULL);
assert(argc == 2);
err = NuOpenRO(argv[1], &pArchive);
if (err == kNuErrNone) {
ExerciserState_SetNuArchive(pState, pArchive);
ExerciserState_SetArchivePath(pState, argv[1]);
}
return err;
}
/*
* Open the archive in read-only mode. We use "file mode" for a file, or
* "streaming mode" for stdin.
*/
NuError OpenArchiveReadOnly(NulibState* pState)
{
NuError err;
NuArchive* pArchive = NULL;
Assert(pState != NULL);
if (IsFilenameStdin(NState_GetArchiveFilename(pState))) {
err = NuStreamOpenRO(stdin, &pArchive);
if (err != kNuErrNone) {
ReportError(err, "unable to open stdin archive");
if (err == kNuErrIsBinary2)
err = kNuErrNotNuFX; /* we can't seek back, so forget BNY */
goto bail;
}
/*
* Since the archive is on stdin, we can't ask the user questions.
* On a UNIX system we could open /dev/tty, but that's not portable,
* and I don't think archives on stdin are going to be popular
* enough to make this worth doing.
*/
NState_SetInputUnavailable(pState, true);
} else {
err = NuOpenRO(NState_GetArchiveFilename(pState), &pArchive);
if (err != kNuErrNone) {
if (err != kNuErrIsBinary2) {
ReportError(err, "unable to open '%s'",
NState_GetArchiveFilename(pState));
}
goto bail;
}
}
/* introduce them */
NState_SetNuArchive(pState, pArchive);
err = NuSetExtraData(pArchive, pState);
NuSetSelectionFilter(pArchive, SelectionFilter);
NuSetOutputPathnameFilter(pArchive, OutputPathnameFilter);
NuSetProgressUpdater(pArchive, ProgressUpdater);
NuSetErrorHandler(pArchive, ErrorHandler);
/*NuSetErrorMessageHandler(pArchive, ErrorMessageHandler);*/
/* set the EOL conversion */
if (NState_GetModConvertAll(pState))
err = NuSetValue(pArchive, kNuValueConvertExtractedEOL, kNuConvertOn);
else if (NState_GetModConvertText(pState))
err = NuSetValue(pArchive, kNuValueConvertExtractedEOL, kNuConvertAuto);
else
err = NuSetValue(pArchive, kNuValueConvertExtractedEOL, kNuConvertOff);
BailError(err);
/* if we're converting EOL, we probably ought to do this too */
err = NuSetValue(pArchive, kNuValueStripHighASCII, true);
BailError(err);
/* handle "-s" flag */
if (NState_GetModOverwriteExisting(pState)) {
err = NuSetValue(pArchive, kNuValueHandleExisting, kNuAlwaysOverwrite);
BailError(err);
}
/* handle "-f" and "-u" flags (this overrides "-s" during extraction) */
if (NState_GetModFreshen(pState) || NState_GetModUpdate(pState)) {
err = NuSetValue(pArchive, kNuValueOnlyUpdateOlder, true);
BailError(err);
}
if (NState_GetModFreshen(pState)) {
err = NuSetValue(pArchive, kNuValueHandleExisting, kNuMustOverwrite);
BailError(err);
}
DBUG(("--- enabling ShrinkIt compatibility mode\n"));
err = NuSetValue(pArchive, kNuValueMimicSHK, true);
BailError(err);
/* handy for some malformed archives */
err = NuSetValue(pArchive, kNuValueHandleBadMac, true);
BailError(err);
/*
DBUG(("--- enabling 'mask dataless' mode\n"));
err = NuSetValue(pArchive, kNuValueMaskDataless, true);
BailError(err);
*/
if (strcmp(SYSTEM_DEFAULT_EOL, "\r") == 0)
err = NuSetValue(pArchive, kNuValueEOL, kNuEOLCR);
else if (strcmp(SYSTEM_DEFAULT_EOL, "\n") == 0)
err = NuSetValue(pArchive, kNuValueEOL, kNuEOLLF);
else if (strcmp(SYSTEM_DEFAULT_EOL, "\r\n") == 0)
err = NuSetValue(pArchive, kNuValueEOL, kNuEOLCRLF);
else {
Assert(0);
err = kNuErrInternal;
ReportError(err, "Unknown SYSTEM_DEFAULT_EOL '%s'", SYSTEM_DEFAULT_EOL);
goto bail;
}
BailError(err);
bail:
if (err != kNuErrNone && pArchive != NULL) {
/* clean up */
(void) NuClose(pArchive);
NState_SetNuArchive(pState, NULL);
}
return err;
}