diff options
Diffstat (limited to 'indra/llcommon/llfile.cpp')
| -rw-r--r-- | indra/llcommon/llfile.cpp | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/indra/llcommon/llfile.cpp b/indra/llcommon/llfile.cpp index eb76b20d23..241b13f84f 100644 --- a/indra/llcommon/llfile.cpp +++ b/indra/llcommon/llfile.cpp @@ -291,3 +291,30 @@ llofstream::~llofstream() #endif // #if USE_LLFILESTREAMS +/************** helper functions ********************************/ + +std::streamsize llifstream_size(llifstream& ifstr) +{ + if(!ifstr.is_open()) return 0; + std::streampos pos_old = ifstr.tellg(); + ifstr.seekg(0, ios_base::beg); + std::streampos pos_beg = ifstr.tellg(); + ifstr.seekg(0, ios_base::end); + std::streampos pos_end = ifstr.tellg(); + ifstr.seekg(pos_old, ios_base::beg); + return pos_end - pos_beg; +} + +std::streamsize llofstream_size(llofstream& ofstr) +{ + if(!ofstr.is_open()) return 0; + std::streampos pos_old = ofstr.tellp(); + ofstr.seekp(0, ios_base::beg); + std::streampos pos_beg = ofstr.tellp(); + ofstr.seekp(0, ios_base::end); + std::streampos pos_end = ofstr.tellp(); + ofstr.seekp(pos_old, ios_base::beg); + return pos_end - pos_beg; +} + + |