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initialize endptr to NULL

Craig Davison authored on 2018/02/24 09:15:40
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@@ -79,7 +79,7 @@ static int xar_get_numeric_from_xml_element(xmlTextReaderPtr reader, size_t * va
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         numstr = xmlTextReaderConstValue(reader);
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         if (numstr) {
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             long numval;
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-            char *endptr;
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+            char *endptr = NULL;
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             errno = 0;
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             numval = strtol((const char *)numstr, &endptr, 10);
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             if (((numval == LONG_MAX || numval == LONG_MIN) && errno) || endptr == numstr) {