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authorDana Robinson <43805+derobins@users.noreply.github.com>2022-07-11 15:59:51 (GMT)
committerGitHub <noreply@github.com>2022-07-11 15:59:51 (GMT)
commitfa7caf843508b250f085e88cf5edfc2606da1205 (patch)
tree8ecc6f13d62952ab8ee49ea59bae9c2a47684e9b /c++/src/H5Exception.cpp
parentf599e2ac7fb7fb146b49e2f349a9c100e897f7ef (diff)
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Fixes C++ sign-conversion warnings w/ clang 14 (#1870)
* Fixes sign-conversion warnings w/ clang 14 * Committing clang-format changes Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>
Diffstat (limited to 'c++/src/H5Exception.cpp')
-rw-r--r--c++/src/H5Exception.cpp18
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) {