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35 lines
768 B
35 lines
768 B
#include "fs_find_mount_point.hpp"
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#include "fs_lstat.hpp"
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ghc::filesystem::path
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fs::find_mount_point(const ghc::filesystem::path &path_)
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{
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int rv;
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struct stat initial_st;
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struct stat tmp_st;
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ghc::filesystem::path tmp_path;
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rv = fs::lstat(path_,&initial_st);
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if(rv == -1)
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return {};
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tmp_path = path_;
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while(tmp_path != "/")
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{
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rv = fs::lstat(tmp_path.parent_path(),&tmp_st);
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if(rv == -1)
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return {};
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printf("%d:%s %d:%s\n",
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tmp_st.st_dev,
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tmp_path.parent_path().string().c_str(),
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initial_st.st_dev,
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path_.string().c_str());
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if(tmp_st.st_dev != initial_st.st_dev)
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return tmp_path;
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tmp_path = tmp_path.parent_path();
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}
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return {};
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}
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