Made memory managers use size_t to measure memory allocation sizes rather than unsigned long.

dlib/algs.h

@@ -106,6 +106,7 @@ namespace std
 #include <algorithm>    // for std::swap
 #include <new>          // for std::bad_alloc
 #include <cstdlib>
+#include <stddef.h>
 #include <limits> // for std::numeric_limits for is_finite()
 #include "assert.h"
 #include "error.h"

dlib/memory_manager/memory_manager_kernel_1.h

@@ -14,7 +14,7 @@ namespace dlib
 
     template <
         typename T,
-        unsigned long max_pool_size
+        size_t max_pool_size
         >
     class memory_manager_kernel_1
     {
@@ -86,11 +86,11 @@ namespace dlib
             }
         }
 
-        unsigned long get_number_of_allocations (
+        size_t get_number_of_allocations (
         ) const { return allocations; }
 
         T* allocate_array (
-            unsigned long size
+            size_t size
         )
         {
             T* temp = new T[size];
@@ -183,9 +183,9 @@ namespace dlib
     private:
 
         // data members
-        unsigned long allocations;
+        size_t allocations;
         node* next;
-        unsigned long pool_size;
+        size_t pool_size;
 
         // restricted functions
         memory_manager_kernel_1(memory_manager_kernel_1&);        // copy constructor
@@ -231,11 +231,11 @@ namespace dlib
         {
         }
 
-        unsigned long get_number_of_allocations (
+        size_t get_number_of_allocations (
         ) const { return allocations; }
 
         T* allocate_array (
-            unsigned long size
+            size_t size
         )
         {
             T* temp = new T[size];
@@ -277,7 +277,7 @@ namespace dlib
     private:
 
         // data members
-        unsigned long allocations;
+        size_t allocations;
 
         // restricted functions
         memory_manager_kernel_1(memory_manager_kernel_1&);        // copy constructor
@@ -288,7 +288,7 @@ namespace dlib
 
     template <
         typename T,
-        unsigned long max_pool_size
+        size_t max_pool_size
         >
     inline void swap (
         memory_manager_kernel_1<T,max_pool_size>& a, 

dlib/memory_manager/memory_manager_kernel_2.h

@@ -13,7 +13,7 @@ namespace dlib
 
     template <
         typename T,
-        unsigned long chunk_size
+        size_t chunk_size
         >
     class memory_manager_kernel_2
     {
@@ -103,11 +103,11 @@ namespace dlib
             }
         }
 
-        unsigned long get_number_of_allocations (
+        size_t get_number_of_allocations (
         ) const { return allocations; }
 
         T* allocate_array (
-            unsigned long size
+            size_t size
         )
         {
             T* temp = new T[size];
@@ -184,7 +184,7 @@ namespace dlib
 
                 ++block;
                 // now add the rest of the block into the linked list of free nodes.
-                for (unsigned long i = 0; i < chunk_size-1; ++i)
+                for (size_t i = 0; i < chunk_size-1; ++i)
                 {
                     block->next = next;
                     next = block;
@@ -223,7 +223,7 @@ namespace dlib
     private:
 
         // data members
-        unsigned long allocations;
+        size_t allocations;
         node* next;
 
         chunk_node* first_chunk;
@@ -238,7 +238,7 @@ namespace dlib
 
     template <
         typename T,
-        unsigned long chunk_size
+        size_t chunk_size
         >
     inline void swap (
         memory_manager_kernel_2<T,chunk_size>& a, 

dlib/memory_manager/memory_manager_kernel_3.h

@@ -16,7 +16,7 @@ namespace dlib
 
     template <
         typename T,
-        unsigned long chunk_size
+        size_t chunk_size
         >
     class memory_manager_kernel_3
     {
@@ -126,11 +126,11 @@ namespace dlib
             }
         }
 
-        unsigned long get_number_of_allocations (
+        size_t get_number_of_allocations (
         ) const { return allocations; }
 
         T* allocate_array (
-            unsigned long size
+            size_t size
         )
         {
             size_t block_size = sizeof(T)*size + sizeof(size_t)*2;
@@ -252,7 +252,7 @@ namespace dlib
 
                 ++block;
                 // now add the rest of the block into the linked list of free nodes.
-                for (unsigned long i = 0; i < chunk_size-1; ++i)
+                for (size_t i = 0; i < chunk_size-1; ++i)
                 {
                     block->next = next;
                     next = block;
@@ -292,7 +292,7 @@ namespace dlib
     private:
 
         // data members
-        unsigned long allocations;
+        size_t allocations;
         node* next;
 
         chunk_node* first_chunk;
@@ -370,7 +370,7 @@ namespace dlib
 
     template <
         typename T,
-        unsigned long chunk_size
+        size_t chunk_size
         >
     inline void swap (
         memory_manager_kernel_3<T,chunk_size>& a, 

dlib/memory_manager/memory_manager_kernel_abstract.h

@@ -52,7 +52,7 @@ namespace dlib
                           causes a memory leak. 
             !*/
 
-            unsigned long get_number_of_allocations (
+            size_t get_number_of_allocations (
             ) const;
             /*!
                 ensures
@@ -86,7 +86,7 @@ namespace dlib
             !*/
 
             T* allocate_array (
-                unsigned long size
+                size_t size
             );
             /*!
                 ensures

dlib/memory_manager_global/memory_manager_global_kernel_1.h

@@ -43,7 +43,7 @@ namespace dlib
             virtual ~memory_manager_global_kernel_1(
             )  {}
 
-            unsigned long get_number_of_allocations (
+            size_t get_number_of_allocations (
             ) const { return global_mm->get_number_of_allocations(); }
 
             mm_global_type& get_global_memory_manager (
@@ -63,7 +63,7 @@ namespace dlib
             }
 
             T* allocate_array (
-                unsigned long size
+                size_t size
             ) 
             { 
                 return global_mm->allocate_array(size); 

dlib/memory_manager_global/memory_manager_global_kernel_abstract.h

@@ -81,7 +81,7 @@ namespace dlib
                       get_global_memory_manager().
             !*/
 
-            unsigned long get_number_of_allocations (
+            size_t get_number_of_allocations (
             ) const;
             /*!
                 ensures
@@ -122,7 +122,7 @@ namespace dlib
             !*/
 
             T* allocate_array (
-                unsigned long size
+                size_t size
             );
             /*!
                 ensures

dlib/memory_manager_stateless/memory_manager_stateless_kernel_1.h

@@ -48,7 +48,7 @@ namespace dlib
             }
 
             T* allocate_array (
-                unsigned long size
+                size_t size
             ) 
             { 
                 return new T[size];

dlib/memory_manager_stateless/memory_manager_stateless_kernel_2.h

@@ -60,7 +60,7 @@ namespace dlib
             }
 
             T* allocate_array (
-                unsigned long size
+                size_t size
             ) 
             { 
                 auto_mutex M(global_mutex());

dlib/memory_manager_stateless/memory_manager_stateless_kernel_abstract.h

@@ -82,7 +82,7 @@ namespace dlib
             !*/
 
             T* allocate_array (
-                unsigned long size
+                size_t size
             );
             /*!
                 ensures