58   AllocationEntry *const entry  in tracking_malloc()  local
61   if (entry == NULL) {  in tracking_malloc()
65   entry->num_bytes = size;  in tracking_malloc()
66   entry->allocation = malloc(size);  in tracking_malloc()
67   if (entry->allocation == NULL) {  in tracking_malloc()
68     free(entry);  in tracking_malloc()
71   entry->next = NULL;  in tracking_malloc()
75     entry->prev = NULL;  in tracking_malloc()
76     alloc_head = alloc_tail = entry;  in tracking_malloc()
78     entry->prev = alloc_tail;  in tracking_malloc()
79     alloc_tail->next = entry;  in tracking_malloc()
80     alloc_tail = entry;  in tracking_malloc()
83   return entry->allocation;  in tracking_malloc()
88   AllocationEntry *entry;  in find_allocation()  local
90   for (entry = alloc_head; entry != NULL; entry = entry->next) {  in find_allocation()
91     if (entry->allocation == ptr) {  in find_allocation()
92       return entry;  in find_allocation()
101   AllocationEntry *entry;  in tracking_free()  local
104     /* There won't be an entry for this */  in tracking_free()
108   entry = find_allocation(ptr);  in tracking_free()
109   if (entry != NULL) {  in tracking_free()
111     if (entry->prev != NULL)  in tracking_free()
112       entry->prev->next = entry->next;  in tracking_free()
114       alloc_head = entry->next;  in tracking_free()
115     if (entry->next != NULL)  in tracking_free()
116       entry->next->prev = entry->prev;  in tracking_free()
118       alloc_tail = entry->next;  in tracking_free()
119     free(entry);  in tracking_free()
129   AllocationEntry *entry;  in tracking_realloc()  local
141   /* Find the allocation entry for this memory */  in tracking_realloc()
142   entry = find_allocation(ptr);  in tracking_realloc()
143   if (entry == NULL) {  in tracking_realloc()
145     entry = (AllocationEntry *)malloc(sizeof(AllocationEntry));  in tracking_realloc()
146     if (entry == NULL) {  in tracking_realloc()
150     entry->allocation = realloc(ptr, size);  in tracking_realloc()
151     if (entry->allocation == NULL) {  in tracking_realloc()
152       free(entry);  in tracking_realloc()
157     entry->next = NULL;  in tracking_realloc()
159       entry->prev = NULL;  in tracking_realloc()
160       alloc_head = alloc_tail = entry;  in tracking_realloc()
162       entry->prev = alloc_tail;  in tracking_realloc()
163       alloc_tail->next = entry;  in tracking_realloc()
164       alloc_tail = entry;  in tracking_realloc()
171     entry->allocation = reallocated;  in tracking_realloc()
174   entry->num_bytes = size;  in tracking_realloc()
175   return entry->allocation;  in tracking_realloc()
180   AllocationEntry *entry;  in tracking_report()  local
186   for (entry = alloc_head; entry != NULL; entry = entry->next) {  in tracking_report()
187     printf("Allocated %lu bytes at %p\n", (long unsigned)entry->num_bytes,  in tracking_report()
188            entry->allocation);  in tracking_report()