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memory leak issue #172

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merged 5 commits into from
Nov 7, 2017
Merged

memory leak issue #172

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566e862
* Memory leak issue
gaoethan Nov 1, 2017
10bfe5a
remove std::string wrapper and final nullptr setting
gaoethan Nov 1, 2017
d092738
add back the necessary std::string for file_path and
gaoethan Nov 2, 2017
bb0cef9
optimize variable scope and string converting
gaoethan Nov 7, 2017
15c9c55
Make file_prefix a std::string
clalancette Nov 7, 2017
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18 changes: 13 additions & 5 deletions rmw_fastrtps_cpp/src/rmw_node.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -166,16 +166,24 @@ get_security_file_paths(
const char * file_names[3] = {"ca.cert.pem", "cert.pem", "key.pem"};
size_t num_files = sizeof(file_names) / sizeof(char *);

const char * file_prefix = "file://";
std::string file_prefix("file://");

std::string tmpstr;
for (size_t i = 0; i < num_files; i++) {
tmpstr = std::string(rcutils_join_path(node_secure_root, file_names[i]));
if (!rcutils_is_readable(tmpstr.c_str())) {
const char * file_path = rcutils_join_path(node_secure_root, file_names[i]);
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Really, rcutils_join_path should not return const char * but just char * instead of needing to const cast it to free the result...

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Yeah, I agree with that. I'll do a separate PR with that, since every place that uses it has to do the same thing.

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ros2/ros2#423

if (!file_path) {
return false;
}
security_files_paths[i] = std::string(file_prefix + tmpstr);

if (rcutils_is_readable(file_path)) {
security_files_paths[i] = file_prefix + std::string(file_path);
} else {
free(const_cast<char *>(file_path));
return false;
}

free(const_cast<char *>(file_path));
}

return true;
}

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