diff options
Diffstat (limited to 'libcpp/include/line-map.h')
| -rw-r--r-- | libcpp/include/line-map.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libcpp/include/line-map.h b/libcpp/include/line-map.h index 572e330a1bd..1e2a148e17b 100644 --- a/libcpp/include/line-map.h +++ b/libcpp/include/line-map.h @@ -53,6 +53,10 @@ typedef unsigned int source_location; /* Memory allocation function typedef. Works like xrealloc. */ typedef void *(*line_map_realloc) (void *, size_t); +/* Memory allocator function that returns the actual allocated size, + for a given requested allocation. */ +typedef size_t (*line_map_round_alloc_size_func) (size_t); + /* An ordinary line map encodes physical source locations. Those physical source locations are called "spelling locations". @@ -281,6 +285,10 @@ struct GTY(()) line_maps { /* If non-null, the allocator to use when resizing 'maps'. If null, xrealloc is used. */ line_map_realloc reallocator; + + /* The allocators' function used to know the actual size it + allocated, for a certain allocation size requested. */ + line_map_round_alloc_size_func round_alloc_size; }; /* Returns the pointer to the memory region where information about |