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Simplify use of ostringstream

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Resetting this does not re-use the underlying buffer so creating a new
ostringstream has similar efficiency.
This commit is contained in:
Andrew Gaul 2020-10-01 17:55:34 +09:00
parent 757f4caee8
commit b3bf9f8f54
1 changed files with 3 additions and 9 deletions
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12
src/curl.cpp
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@ -1382,11 +1382,9 @@ int S3fsCurl::ParallelMixMultipartUploadRequest(const char* tpath, headers_t& me
}
}else{
// Multipart copy
std::ostringstream strrange;
std::ostringstream strrange;
strrange << "bytes=" << iter->offset << "-" << (iter->offset + iter->bytes - 1);
meta["x-amz-copy-source-range"] = strrange.str();
strrange.str("");
strrange.clear(std::stringstream::goodbit);
s3fscurl_para->b_from = SAFESTRPTR(tpath);
s3fscurl_para->b_meta = meta;
@ -3757,7 +3755,6 @@ int S3fsCurl::MultipartHeadRequest(const char* tpath, off_t size, headers_t& met
off_t chunk;
off_t bytes_remaining;
etaglist_t list;
std::ostringstream strrange;
S3FS_PRN_INFO3("[tpath=%s]", SAFESTRPTR(tpath));
@ -3774,10 +3771,9 @@ int S3fsCurl::MultipartHeadRequest(const char* tpath, off_t size, headers_t& met
for(bytes_remaining = size, chunk = 0; 0 < bytes_remaining; bytes_remaining -= chunk){
chunk = bytes_remaining > MAX_MULTI_COPY_SOURCE_SIZE ? MAX_MULTI_COPY_SOURCE_SIZE : bytes_remaining;
std::ostringstream strrange;
strrange << "bytes=" << (size - bytes_remaining) << "-" << (size - bytes_remaining + chunk - 1);
meta["x-amz-copy-source-range"] = strrange.str();
strrange.str("");
strrange.clear(std::stringstream::goodbit);
// s3fscurl sub object
S3fsCurl* s3fscurl_para = new S3fsCurl(true);
@ -3922,7 +3918,6 @@ int S3fsCurl::MultipartRenameRequest(const char* from, const char* to, headers_t
off_t chunk;
off_t bytes_remaining;
etaglist_t list;
std::ostringstream strrange;
S3FS_PRN_INFO3("[from=%s][to=%s]", SAFESTRPTR(from), SAFESTRPTR(to));
@ -3946,10 +3941,9 @@ int S3fsCurl::MultipartRenameRequest(const char* from, const char* to, headers_t
for(bytes_remaining = size, chunk = 0; 0 < bytes_remaining; bytes_remaining -= chunk){
chunk = bytes_remaining > MAX_MULTI_COPY_SOURCE_SIZE ? MAX_MULTI_COPY_SOURCE_SIZE : bytes_remaining;
std::ostringstream strrange;
strrange << "bytes=" << (size - bytes_remaining) << "-" << (size - bytes_remaining + chunk - 1);
meta["x-amz-copy-source-range"] = strrange.str();
strrange.str("");
strrange.clear(std::stringstream::goodbit);
// s3fscurl sub object
S3fsCurl* s3fscurl_para = new S3fsCurl(true);