[Bug-ddrescue] [PATCH 3/7] [clang-tidy] Remove const from superfluous locations

[Rosen Penev]

Found with readability-const-return-type

Signed-off-by: Rosen Penev <address@hidden>
---
 rational.cc | 6 +++---
 rational.h  | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/rational.cc b/rational.cc
index 1b9fe31..3fdb29c 100644
--- a/rational.cc
+++ b/rational.cc
@@ -51,7 +51,7 @@ long long gcd( long long n, long long m )     // Greatest 
Common Divisor
   }
 
 
-const std::string overflow_string( const int n )
+std::string overflow_string( const int n )
   { if( n > 0 ) return "+INF"; if( n < 0 ) return "-INF"; return "NAN"; }
 
 int overflow_value( const long long n, const bool negate = false )
@@ -215,7 +215,7 @@ int Rational::parse( const char * const s )
 // spaces if needed.
 // If 'prec' is negative, only the needed decimals are produced.
 //
-const std::string Rational::to_decimal( const unsigned iwidth, int prec ) const
+std::string Rational::to_decimal( const unsigned iwidth, int prec ) const
   {
   if( den <= 0 ) return overflow_string( num );
 
@@ -243,7 +243,7 @@ const std::string Rational::to_decimal( const unsigned 
iwidth, int prec ) const
 // 'width' is the minimum width to be produced, prefixed with spaces if
 // needed.
 //
-const std::string Rational::to_fraction( const unsigned width ) const
+std::string Rational::to_fraction( const unsigned width ) const
   {
   if( den <= 0 ) return overflow_string( num );
 
diff --git a/rational.h b/rational.h
index 0b7392d..13d1447 100644
--- a/rational.h
+++ b/rational.h
@@ -130,8 +130,8 @@ public:
     { if( den > 0 ) return ( num / den ); else return num; }
 
   int parse( const char * const s );           // returns parsed size
-  const std::string to_decimal( const unsigned iwidth = 1, int prec = -2 ) 
const;
-  const std::string to_fraction( const unsigned width = 1 ) const;
+  std::string to_decimal( const unsigned iwidth = 1, int prec = -2 ) const;
+  std::string to_fraction( const unsigned width = 1 ) const;
   };
 
 
-- 
2.17.1