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dnn/samples: handle not set env vars gracefully

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This commit is contained in:
berak 2018-10-24 12:37:01 +02:00
parent c8fc8d210b
commit ad356e3239
1 changed files with 3 additions and 1 deletions
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4
samples/dnn/common.hpp
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@ -58,10 +58,12 @@ std::string findFile(const std::string& filename)
if (filename.empty() || utils::fs::exists(filename))
return filename;
std::string extraPaths[] = {getenv("OPENCV_DNN_TEST_DATA_PATH"),
const char* extraPaths[] = {getenv("OPENCV_DNN_TEST_DATA_PATH"),
getenv("OPENCV_TEST_DATA_PATH")};
for (int i = 0; i < 2; ++i)
{
if (extraPaths[i] == NULL)
continue;
std::string absPath = utils::fs::join(extraPaths[i], utils::fs::join("dnn", filename));
if (utils::fs::exists(absPath))
return absPath;