From 9b380489a4084097380b18f58bb2116613f891ee Mon Sep 17 00:00:00 2001
From: Jeffrey Armstrong <jeff@approximatrix.com>
Date: Thu, 29 Oct 2020 16:10:53 -0400
Subject: Implemented the C example driver program in Fortran.  Updates to name
 routines to read rather than write when appropriate.  Minor callback fixes.

---
 src/clp.f90 | 41 +++++++++++++++++++++++++----------------
 1 file changed, 25 insertions(+), 16 deletions(-)

(limited to 'src/clp.f90')

diff --git a/src/clp.f90 b/src/clp.f90
index cd34b95..24fc769 100644
--- a/src/clp.f90
+++ b/src/clp.f90
@@ -1082,22 +1082,24 @@ contains
     
     end function Clp_SetProblemName
     
-    subroutine Clp_problemName(model,maxNumberCharacters,array)
+    subroutine Clp_problemName(model,array)
     use clp_interface_utils
     use iso_c_binding
     implicit none
     
         type(c_ptr) :: model
-        integer(c_int), intent(in) :: maxNumberCharacters
-        character(len=*) :: array
+        character(len=*), intent(out) :: array
         
         type(c_ptr)::c_array
         
-        c_array = allocate_and_populate_c_string(array)
-        
-        call Clp_problemName_C(model, maxNumberCharacters, c_array)
+        array = ' '
         
-        call c_free(c_array)
+        c_array = c_allocate(int(len(array) + 1, kind=c_size_t))
+        if(c_associated(c_array)) then
+            call Clp_problemName_C(model, len(array), c_array)
+            call populate_fortran_string(c_array, array)
+            call c_free(c_array)
+        end if
         
     end subroutine Clp_problemName
 
@@ -1154,16 +1156,20 @@ contains
     
         type(c_ptr) :: model
         integer, intent(in)::iRow
-        character(*), intent(in) :: name
-        
+        character(*), intent(out) :: name
+
         type(c_ptr) :: np
-        
-        np = allocate_and_populate_c_string(name)
+
+        name = ' '
+
+        np = c_allocate(int(Clp_LengthNames(model)+1, kind=c_size_t))
         if(c_associated(np)) then
             call Clp_rowName_C(model, int(iRow, kind=c_int), np)
+            call populate_fortran_string(np, name)
             call c_free(np)
         end if
         
+        
     end subroutine Clp_rowName
     
     subroutine Clp_columnName(model,iColumn,name) 
@@ -1173,13 +1179,16 @@ contains
     
         type(c_ptr) :: model
         integer, intent(in)::iColumn
-        character(*), intent(in) :: name
-        
+        character(*), intent(out) :: name
+
         type(c_ptr) :: np
-        
-        np = allocate_and_populate_c_string(name)
+
+        name = ' '
+
+        np = c_allocate(int(Clp_LengthNames(model)+1, kind=c_size_t))
         if(c_associated(np)) then
-            call Clp_rowName_C(model, int(iColumn, kind=c_int), np)
+            call Clp_columnName_C(model, int(iColumn, kind=c_int), np)
+            call populate_fortran_string(np, name)
             call c_free(np)
         end if
         
-- 
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