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/* Copyright (C) 1999-2007 Henry Cejtin, Matthew Fluet, Suresh
* Jagannathan, and Stephen Weeks.
* Copyright (C) 1997-2000 NEC Research Institute.
*
* MLton is released under a BSD-style license.
* See the file MLton-LICENSE for details.
*/
#if (defined (MLTON_GC_INTERNAL_TYPES))
/* Layout of strings.
* Note, the value passed around is a pointer to the obj member.
*/
typedef struct GC_string8 {
GC_arrayCounter counter;
GC_arrayLength length;
GC_header header;
union {
struct {
char chars[1];
} body;
pointerAux _p; /* alignment */
} obj;
} __attribute__ ((packed)) *GC_string8;
COMPILE_TIME_ASSERT(GC_string8__obj_packed,
offsetof(struct GC_string8, obj) ==
sizeof(GC_arrayCounter)
+ sizeof(GC_arrayLength)
+ sizeof(GC_header));
COMPILE_TIME_ASSERT(GC_string8__obj_body_chars_packed,
offsetof(struct GC_string8, obj.body.chars) ==
offsetof(struct GC_string8, obj));
#endif /* (defined (MLTON_GC_INTERNAL_TYPES)) */
#if (defined (MLTON_GC_INTERNAL_FUNCS))
#define GC_STRING8_HEADER GC_WORD8_VECTOR_HEADER
#endif /* (defined (MLTON_GC_INTERNAL_FUNCS)) */
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