diff options
Diffstat (limited to 'libgfortran/runtime')
-rw-r--r-- | libgfortran/runtime/memory.c | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/libgfortran/runtime/memory.c b/libgfortran/runtime/memory.c index f1991cda324..7407486b696 100644 --- a/libgfortran/runtime/memory.c +++ b/libgfortran/runtime/memory.c @@ -38,10 +38,6 @@ Boston, MA 02110-1301, USA. */ performance is desired, but it can help when you're debugging code. */ /* #define GFC_CLEAR_MEMORY */ -/* If GFC_CHECK_MEMORY is defined, we do some sanity checks at runtime. - This causes small overhead, but again, it also helps debugging. */ -#define GFC_CHECK_MEMORY - void * get_mem (size_t n) { @@ -76,123 +72,3 @@ internal_malloc_size (size_t size) return get_mem (size); } - - -/* Reallocate internal memory MEM so it has SIZE bytes of data. - Allocate a new block if MEM is zero, and free the block if - SIZE is 0. */ - -extern void *internal_realloc (void *, index_type); -export_proto(internal_realloc); - -void * -internal_realloc (void *mem, index_type size) -{ -#ifdef GFC_CHECK_MEMORY - /* Under normal circumstances, this is _never_ going to happen! */ - if (size < 0) - runtime_error ("Attempt to allocate a negative amount of memory."); -#endif - mem = realloc (mem, size); - if (!mem && size != 0) - os_error ("Out of memory."); - - if (size == 0) - return NULL; - - return mem; -} - - -/* User-allocate, one call for each member of the alloc-list of an - ALLOCATE statement. */ - -extern void *allocate (index_type, GFC_INTEGER_4 *) __attribute__ ((malloc)); -export_proto(allocate); - -void * -allocate (index_type size, GFC_INTEGER_4 * stat) -{ - void *newmem; - -#ifdef GFC_CHECK_MEMORY - /* The only time this can happen is the size computed by the - frontend wraps around. */ - if (size < 0) - { - if (stat) - { - *stat = ERROR_ALLOCATION; - return NULL; - } - else - runtime_error ("Attempt to allocate negative amount of memory. " - "Possible integer overflow"); - } -#endif - newmem = malloc (size ? size : 1); - if (!newmem) - { - if (stat) - { - *stat = ERROR_ALLOCATION; - return newmem; - } - else - runtime_error ("ALLOCATE: Out of memory."); - } - - if (stat) - *stat = 0; - - return newmem; -} - -/* Function to call in an ALLOCATE statement when the argument is an - allocatable array. If the array is currently allocated, it is - an error to allocate it again. */ - -extern void *allocate_array (void *, index_type, GFC_INTEGER_4 *); -export_proto(allocate_array); - -void * -allocate_array (void *mem, index_type size, GFC_INTEGER_4 * stat) -{ - if (mem == NULL) - return allocate (size, stat); - if (stat) - { - free (mem); - mem = allocate (size, stat); - *stat = ERROR_ALLOCATION; - return mem; - } - - runtime_error ("Attempting to allocate already allocated array."); -} - - -/* User-deallocate; pointer is then NULLified by the front-end. */ - -extern void deallocate (void *, GFC_INTEGER_4 *); -export_proto(deallocate); - -void -deallocate (void *mem, GFC_INTEGER_4 * stat) -{ - if (!mem) - { - if (stat) - { - *stat = 1; - return; - } - else - runtime_error ("Internal: Attempt to DEALLOCATE unallocated memory."); - } - - free (mem); - - if (stat) - *stat = 0; -} |