some refactorings
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@@ -134,7 +134,7 @@ std::string string_padd(const std::string &str, size_t pad_len, char fill_char,
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}
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std::string string_substring(const std::string & str, long pos, long count) {
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std::string string_substring(const std::string & str, long pos, size_t count) {
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size_t start_pos = pos;
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if (pos < 0) {
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@@ -155,5 +155,5 @@ size_t string_find_substr(const std::string & str, const std::string & pattern,
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size_t p = str.find(pattern, pos);
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return p != str.npos ? p : -1;
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return p != std::string::npos ? p : -1;
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}
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