static int
unzip_seek_helper (FILE *file, int offset)
{
char buffer[MAXBUFSIZE];
int n, tmp, pos = unztell (file); // returns ftell() of the "current file"
if (pos == offset)
return 0;
else if (pos > offset)
{
unzCloseCurrentFile (file);
unzip_goto_file (file, unzip_current_file_nr);
unzOpenCurrentFile (file);
pos = 0;
}
n = offset - pos;
while (n > 0 && !unzeof (file))
{
tmp = unzReadCurrentFile (file, buffer, n > MAXBUFSIZE ? MAXBUFSIZE : n);
if (tmp < 0)
return -1;
n -= tmp;
}
return n > 0 ? -1 : 0;
}
struct SharedLibrary*
apk_get_shared_libraries(AndroidApk *apk, const char* libdir)
{
assert(apk != NULL);
char filename[PATH_MAX];
FILE *result = NULL;
char buf[64*1024];
int read;
struct SharedLibrary *libs = 0;
struct SharedLibrary *head = 0;
int libdirlen = strlen(libdir);
if (unzGoToFirstFile(apk->zip) != UNZ_OK) {
return NULL;
}
do {
if (unzGetCurrentFileInfo(apk->zip, NULL, filename, sizeof(filename), NULL, 0, NULL, 0) == UNZ_OK) {
if (memcmp(filename, libdir, libdirlen) == 0) {
if (unzOpenCurrentFile(apk->zip) == UNZ_OK) {
#if !defined(PANDORA)
strcpy(filename, "/home/user/.apkenv-XXXXXX");
int fd = mkstemp(filename);
result = fdopen(fd, "w+b");
#else
sprintf(filename,"./%s",strdup(filename));
recursive_mkdir(filename);
result = fopen(filename, "w+b");
#endif
while (!unzeof(apk->zip)) {
read = unzReadCurrentFile(apk->zip, buf, sizeof(buf));
if (read) {
assert(fwrite(buf, read, 1, result) == 1);
}
}
fclose(result);
unzCloseCurrentFile(apk->zip);
#if defined(PANDORA)
sync();
#endif
if (libs==0) {
libs = malloc(sizeof(struct SharedLibrary));
head = libs;
libs->next = 0;
} else {
libs->next = malloc(sizeof(struct SharedLibrary));
libs->next->next = 0;
libs = libs->next;
}
libs->filename = strdup(filename);
}
}
}
} while (unzGoToNextFile(apk->zip) == UNZ_OK);
return head;
}
/* Are we EOF */
bool blocksIsEOF() {
if (logPosition < zipFilePosition) {
return FALSE;
}
if (logFile != NULL) {
return unzeof(logFile);
}
return TRUE;
}
nglStreamState nglZipFS::GetState(void* pUnzip) const
{
if (pUnzip == NULL)
return eStreamError;
unzSetCurrentFile(mpPrivate->mZip, pUnzip);
if (unzeof(mpPrivate->mZip))
return eStreamEnd;
return eStreamReady;
}
int FileAccessZip::get_buffer(uint8_t *p_dst,int p_length) const {
ERR_FAIL_COND_V(!zfile, -1);
at_eof = unzeof(zfile);
if (at_eof)
return 0;
int read = unzReadCurrentFile(zfile, p_dst, p_length);
ERR_FAIL_COND_V(read < 0, read);
if (read < p_length)
at_eof = true;
return read;
};
int
feof2 (FILE *file)
{
#undef feof
fmode2_t fmode = get_fmode (file);
if (fmode == FM_NORMAL)
return feof (file);
else if (fmode == FM_GZIP)
return gzeof (file);
else if (fmode == FM_ZIP)
return unzeof (file); // returns feof() of the "current file"
else
return -1;
#define feof feof2
}
enum ApkResult
apk_read_file(AndroidApk *apk, const char *filename, char **buffer, size_t *size)
{
assert(apk != NULL);
unz_file_info info;
int read;
char *write_pos;
int remaining;
int is_zipfile = 0;
if (unzLocateFile(apk->zip, filename, 2) != UNZ_OK) {
char *filename2 = malloc(strlen(filename) + strlen(".zip") + 1);
sprintf(filename2, "%s.zip", filename);
if (unzLocateFile(apk->zip, filename2, 2) == UNZ_OK) {
is_zipfile = 1;
} else {
return APK_ERROR;
}
}
if (unzGetCurrentFileInfo(apk->zip, &info, NULL, 0,
NULL, 0, NULL, 0) == UNZ_OK) {
if (unzOpenCurrentFile(apk->zip) == UNZ_OK) {
*size = info.uncompressed_size;
*buffer = malloc(*size);
write_pos = *buffer;
remaining = *size;
while (!unzeof(apk->zip)) {
read = unzReadCurrentFile(apk->zip, write_pos, remaining);
write_pos += read;
remaining -= read;
}
unzCloseCurrentFile(apk->zip);
if (is_zipfile) {
return apk_uncompress_internal(apk, buffer, size);
}
return APK_OK;
}
}
return APK_ERROR;
}
static int Eof(ngeVF *f) {
ngeVFZip* zip = (ngeVFZip*)f;
return unzeof(zip->file);
}
int File_Unzip_Eof(file_t *file)
{
return unzeof(file->data);
}
bool UnzipFile::atEnd() const
{
return unzeof(d->archive->d->unzip);
}
struct SharedLibrary*
apk_get_shared_libraries(AndroidApk *apk, const char *libdir, const char *datadir)
{
assert(apk != NULL);
char filename[PATH_MAX];
char pathname[PATH_MAX];
FILE *result = NULL;
char buf[64*1024];
int read;
struct SharedLibrary *libs = 0;
struct SharedLibrary *head = 0;
int libdirlen = strlen(libdir);
char *p;
if (unzGoToFirstFile(apk->zip) != UNZ_OK) {
return NULL;
}
do {
if (unzGetCurrentFileInfo(apk->zip, NULL, filename, sizeof(filename), NULL, 0, NULL, 0) == UNZ_OK) {
if (memcmp(filename, libdir, libdirlen) == 0) {
if (unzOpenCurrentFile(apk->zip) == UNZ_OK) {
snprintf(pathname, sizeof(pathname), "%s%s", datadir, filename);
recursive_mkdir(pathname);
result = fopen(pathname, "w+b");
if (result == NULL) {
fprintf(stderr, "can't open %s for writing\n", pathname);
unzCloseCurrentFile(apk->zip);
break;
}
while (!unzeof(apk->zip)) {
read = unzReadCurrentFile(apk->zip, buf, sizeof(buf));
if (read) {
assert(fwrite(buf, read, 1, result) == 1);
}
}
fclose(result);
unzCloseCurrentFile(apk->zip);
if (libs==0) {
libs = malloc(sizeof(struct SharedLibrary));
head = libs;
libs->next = 0;
} else {
libs->next = malloc(sizeof(struct SharedLibrary));
libs->next->next = 0;
libs = libs->next;
}
libs->filename = strdup(pathname);
p = strrchr(pathname, '/');
*p = 0;
libs->dirname = strdup(pathname);
}
}
}
} while (unzGoToNextFile(apk->zip) == UNZ_OK);
return head;
}
