Merge pull request #21 from ya1gaurav/patch-4

jzmaddock · jzmaddock · commit aa6495ae4865 · 2015-11-03T17:59:32.000Z
avoid duplicate check of markid.
diff --git a/include/boost/regex/v4/basic_regex_parser.hpp b/include/boost/regex/v4/basic_regex_parser.hpp
@@ -2650,7 +2650,7 @@ bool basic_regex_parser<charT, traits>::parse_perl_extension()
       //
       // allow backrefs to this mark:
       //
-      if((markid > 0) && (markid < (int)(sizeof(unsigned) * CHAR_BIT)))
+      if(markid < (int)(sizeof(unsigned) * CHAR_BIT))
          this->m_backrefs |= 1u << (markid - 1);
    }
    return true;

Original file line number	Diff line number	Diff line change
`@@ -2650,7 +2650,7 @@ bool basic_regex_parser<charT, traits>::parse_perl_extension()`
`2650`	`2650`	`//`
`2651`	`2651`	`// allow backrefs to this mark:`
`2652`	`2652`	`//`
`2653`		`- if((markid > 0) && (markid < (int)(sizeof(unsigned) * CHAR_BIT)))`
	`2653`	`+ if(markid < (int)(sizeof(unsigned) * CHAR_BIT))`
`2654`	`2654`	`this->m_backrefs \|= 1u << (markid - 1);`
`2655`	`2655`	`}`
`2656`	`2656`	`return true;`