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Fix --repair on 32 bit platforms for files > 2 GB.

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This commit is contained in:
Erik Fleischer 2015-07-05 19:23:11 +02:00
parent 7e8f707846
commit fb23318d5a
1 changed files with 14 additions and 9 deletions
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23
src/downloader.cpp
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@ -1225,6 +1225,7 @@ CURLcode Downloader::downloadFile(const std::string& url, const std::string& fil
{
bResume = true;
fseek(outfile, 0, SEEK_END);
// use ftello to support large files on 32 bit platforms
offset = ftello(outfile);
curl_easy_setopt(curlhandle, CURLOPT_RESUME_FROM_LARGE, offset);
this->resume_position = offset;
@ -1366,10 +1367,10 @@ int Downloader::repairFile(const std::string& url, const std::string& filepath,
{
int res = 0;
FILE *outfile;
uintmax_t offset=0, from_offset, to_offset, filesize;
off_t offset=0, from_offset, to_offset, filesize;
std::string filehash;
int chunks;
std::vector<uintmax_t> chunk_from, chunk_to;
std::vector<off_t> chunk_from, chunk_to;
std::vector<std::string> chunk_hash;
bool bParsingFailed = false;
@ -1475,7 +1476,8 @@ int Downloader::repairFile(const std::string& url, const std::string& filepath,
if ((outfile = fopen(filepath.c_str(), "r+"))!=NULL )
{
fseek(outfile, 0, SEEK_END);
offset = ftell(outfile);
// use ftello to support large files on 32 bit platforms
offset = ftello(outfile);
}
else
{
@ -1503,7 +1505,8 @@ int Downloader::repairFile(const std::string& url, const std::string& filepath,
}
return res;
}
// check if file sizes match
if (offset != filesize)
{
std::cout << "Filesizes don't match" << std::endl
@ -1561,13 +1564,14 @@ int Downloader::repairFile(const std::string& url, const std::string& filepath,
int iChunksRepaired = 0;
for (int i=0; i<chunks; i++)
{
uintmax_t chunk_begin = chunk_from.at(i);
uintmax_t chunk_end = chunk_to.at(i);
uintmax_t size=0, chunk_size = chunk_end - chunk_begin + 1;
off_t chunk_begin = chunk_from.at(i);
off_t chunk_end = chunk_to.at(i);
off_t size=0, chunk_size = chunk_end - chunk_begin + 1;
std::string range = std::to_string(chunk_begin) + "-" + std::to_string(chunk_end); // Download range string for curl
std::cout << "\033[0K\rChunk " << i << " (" << chunk_size << " bytes): ";
fseek(outfile, chunk_begin, SEEK_SET);
// use fseeko to support large files on 32 bit platforms
fseeko(outfile, chunk_begin, SEEK_SET);
unsigned char *chunk = (unsigned char *) malloc(chunk_size * sizeof(unsigned char *));
if (chunk == NULL)
{
@ -1587,7 +1591,8 @@ int Downloader::repairFile(const std::string& url, const std::string& filepath,
if (hash != chunk_hash.at(i))
{
std::cout << "Failed - downloading chunk" << std::endl;
fseek(outfile, chunk_begin, SEEK_SET);
// use fseeko to support large files on 32 bit platforms
fseeko(outfile, chunk_begin, SEEK_SET);
curl_easy_setopt(curlhandle, CURLOPT_URL, url.c_str());
curl_easy_setopt(curlhandle, CURLOPT_WRITEDATA, outfile);
curl_easy_setopt(curlhandle, CURLOPT_RANGE, range.c_str()); //download range