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a/src/utils/pathut.cpp b/src/utils/pathut.cpp
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string url_encode(const string& url, string::size_type offs)
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string url_encode(const string& url, string::size_type offs)
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{
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{
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    string out = url.substr(0, offs);
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    string out = url.substr(0, offs);
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    const char *cp = url.c_str();
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    const char *cp = url.c_str();
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    for (string::size_type i = offs; i < url.size(); i++) {
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    for (string::size_type i = offs; i < url.size(); i++) {
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  int c;
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  unsigned int c;
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    const char *h = "0123456789ABCDEF";
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    const char *h = "0123456789ABCDEF";
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    c = cp[i];
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    c = cp[i];
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    if (c <= 0x20 || 
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    if (c <= 0x20 || 
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       c >= 0x7f || 
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       c >= 0x7f || 
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       c == '"' ||
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       c == '"' ||