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Merge pull request #1290 from LFsWang/master
Add a return value in ForeachDirectoryEntry
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commit
40599c24ea
@ -427,6 +427,9 @@ bool ForeachDirectoryEntry(unsigned* num_entries_out, const std::string &directo
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// How many files + directories we found
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// How many files + directories we found
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unsigned found_entries = 0;
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unsigned found_entries = 0;
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// Save the status of callback function
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bool callback_error = false;
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#ifdef _WIN32
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#ifdef _WIN32
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// Find the first file in the directory.
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// Find the first file in the directory.
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WIN32_FIND_DATA ffd;
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WIN32_FIND_DATA ffd;
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@ -455,8 +458,10 @@ bool ForeachDirectoryEntry(unsigned* num_entries_out, const std::string &directo
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continue;
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continue;
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unsigned ret_entries;
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unsigned ret_entries;
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if (!callback(&ret_entries, directory, virtual_name))
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if (!callback(&ret_entries, directory, virtual_name)) {
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callback_error = true;
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break;
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break;
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}
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found_entries += ret_entries;
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found_entries += ret_entries;
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#ifdef _WIN32
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#ifdef _WIN32
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@ -467,9 +472,14 @@ bool ForeachDirectoryEntry(unsigned* num_entries_out, const std::string &directo
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closedir(dirp);
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closedir(dirp);
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#endif
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#endif
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// num_entries_out is allowed to be specified nullptr, in which case we shouldn't try to set it
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if (!callback_error) {
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if (num_entries_out != nullptr)
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// num_entries_out is allowed to be specified nullptr, in which case we shouldn't try to set it
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*num_entries_out = found_entries;
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if (num_entries_out != nullptr)
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*num_entries_out = found_entries;
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return true;
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} else {
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return false;
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}
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}
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}
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unsigned ScanDirectoryTree(const std::string &directory, FSTEntry& parent_entry)
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unsigned ScanDirectoryTree(const std::string &directory, FSTEntry& parent_entry)
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