diff options
Diffstat (limited to 'c++/src/H5Exception.cpp')
| -rw-r--r-- | c++/src/H5Exception.cpp | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/c++/src/H5Exception.cpp b/c++/src/H5Exception.cpp index a42c151..5687514 100644 --- a/c++/src/H5Exception.cpp +++ b/c++/src/H5Exception.cpp @@ -73,9 +73,14 @@ Exception::getMajorString(hid_t err_major) const if (mesg_size < 0) throw IdComponentException("Exception::getMajorString", "H5Eget_msg failed"); + // The actual message size is the cast value + 1 for the terminal ASCII NUL + // (unfortunate in/out type sign mismatch) + size_t actual_mesg_size = static_cast<size_t>(mesg_size) + 1; + // Call H5Eget_msg again to get the actual message - char *mesg_C = new char[mesg_size + 1]; // temporary C-string for C API - mesg_size = H5Eget_msg(err_major, NULL, mesg_C, mesg_size + 1); + char *mesg_C = new char[actual_mesg_size]; // temporary C-string for C API + + mesg_size = H5Eget_msg(err_major, NULL, mesg_C, actual_mesg_size); // Check for failure again if (mesg_size < 0) { @@ -110,9 +115,14 @@ Exception::getMinorString(hid_t err_minor) const if (mesg_size < 0) throw IdComponentException("Exception::getMinorString", "H5Eget_msg failed"); + // The actual message size is the cast value + 1 for the terminal ASCII NUL + // (unfortunate in/out type sign mismatch) + size_t actual_mesg_size = static_cast<size_t>(mesg_size) + 1; + // Call H5Eget_msg again to get the actual message - char *mesg_C = new char[mesg_size + 1]; // temporary C-string for C API - mesg_size = H5Eget_msg(err_minor, NULL, mesg_C, mesg_size + 1); + char *mesg_C = new char[actual_mesg_size]; // temporary C-string for C API + + mesg_size = H5Eget_msg(err_minor, NULL, mesg_C, actual_mesg_size); // Check for failure again if (mesg_size < 0) { |