From b1be8b0f5ff9d32756c98a7f7fa6d9023d124527 Mon Sep 17 00:00:00 2001
From: Jeffrey Armstrong <jeff@approximatrix.com>
Date: Mon, 26 Oct 2020 16:58:08 -0400
Subject: Implemented Fortran interfaces for row and column name subroutines

---
 src/clp.f90 | 55 +++++++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 49 insertions(+), 6 deletions(-)

diff --git a/src/clp.f90 b/src/clp.f90
index 4efaa29..2590121 100644
--- a/src/clp.f90
+++ b/src/clp.f90
@@ -498,17 +498,17 @@ module clp
                     type(c_ptr), value :: model
                     integer(c_int) :: Clp_lengthNames
             end function
-            subroutine Clp_rowName(model,iRow,name) bind(C,name="Clp_rowName")
+            subroutine Clp_rowName_C(model,iRow,np) bind(C,name="Clp_rowName")
                 use iso_c_binding
                     type(c_ptr), value :: model
                     integer(c_int), value ::iRow
-                    character(c_char) :: name(*)
+                    type(c_ptr), value :: np
             end subroutine
-            subroutine Clp_columnName(model,iColumn,name) bind(C,name="Clp_columnName")
+            subroutine Clp_columnName_C(model,iColumn,np) bind(C,name="Clp_columnName")
                 use iso_c_binding
                     type(c_ptr), value :: model
                     integer(c_int), value ::iColumn
-                    character(c_char) :: name(*)
+                    type(c_ptr), value :: np
             end subroutine
             function Clp_initialSolve(model) bind(C,name="Clp_initialSolve")
                 use iso_c_binding
@@ -1088,11 +1088,15 @@ contains
         call Clp_copyNames_C(model, c_loc(rn_c), c_loc(cn_c))
 
         do i = 1, size(rowNames)
-            call c_free(rn_c(i))
+            if(c_associated(rn_c(i))) then
+                call c_free(rn_c(i))
+            end if
         end do
 
         do i = 1, size(columnNames)
-            call c_free(cn_c(i))
+            if(c_associated(cn_c(i))) then
+                call c_free(cn_c(i))
+            end if
         end do
         
         deallocate(rn_c)
@@ -1100,4 +1104,43 @@ contains
 
     end subroutine Clp_copyNames
 
+
+    subroutine Clp_rowName(model,iRow,name)
+    use iso_c_binding
+    use clp_interface_utils
+    implicit none
+    
+        type(c_ptr) :: model
+        integer, intent(in)::iRow
+        character(*), intent(in) :: name
+        
+        type(c_ptr) :: np
+        
+        np = allocate_and_populate_c_string(name)
+        if(c_associated(np)) then
+            call Clp_rowName_C(model, int(iRow, kind=c_int), np)
+            call c_free(np)
+        end if
+        
+    end subroutine Clp_rowName
+    
+    subroutine Clp_columnName(model,iColumn,name) 
+    use iso_c_binding
+    use clp_interface_utils
+    implicit none
+    
+        type(c_ptr) :: model
+        integer, intent(in)::iColumn
+        character(*), intent(in) :: name
+        
+        type(c_ptr) :: np
+        
+        np = allocate_and_populate_c_string(name)
+        if(c_associated(np)) then
+            call Clp_rowName_C(model, int(iColumn, kind=c_int), np)
+            call c_free(np)
+        end if
+        
+    end subroutine Clp_columnName
+
 end module clp
-- 
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