#endif
\f
-/* generally useful */
#define countof(x) ((int) (sizeof(x)/sizeof((x)[0])))
-#define xnew(type) ((type *) xmalloc (sizeof (type)))
-#define xnew_atomic(type) ((type *) xmalloc_atomic (sizeof (type)))
-#define xnew_array(type, len) ((type *) xmalloc ((len) * sizeof (type)))
-#define xnew_atomic_array(type, len) \
- ((type*)xmalloc_atomic((len) * sizeof(type)))
-#define xnew_and_zero(type) ((type *) xmalloc_and_zero (sizeof (type)))
-#define xzero(lvalue) ((void) memset (&(lvalue), '\0', sizeof (lvalue)))
-#define xnew_array_and_zero(type, len) \
- ((type*)xmalloc_and_zero ((len) * sizeof (type)))
-#define xrealloc_array(ptr, type, len) \
- ((void) (ptr = (type *) xrealloc (ptr, (len) * sizeof (type))))
-#define XREALLOC_ARRAY xrealloc_array
-#define alloca_array(type, len) ((type *) alloca ((len) * sizeof (type)))
#if !defined HAVE_DECL_STRDUP
extern char *strdup(const char *s);
#define DECLARE_NOTHING struct nosuchstruct
#endif
-\f
-/************************************************************************/
-/* Memory */
-/************************************************************************/
-
-#ifdef ALL_DEBUG_FLAGS
-#undef GC_DEBUG_FLAG
-#define GC_DEBUG_FLAG
-#endif
-
-#if !defined GC_DEBUG_FLAG
-# define SXE_DEBUG_GC(args...)
-#else
-# define SXE_DEBUG_GC(args...) __SXE_DEBUG__("[gc] " args)
-#endif
-#define SXE_DEBUG_GC_PT(args...) SXE_DEBUG_GC("[pthread]: " args)
-#define SXE_CRITICAL_GC(args...) __SXE_DEBUG__("[gc] CRITICAL: " args)
-
-void malloc_warning(const char *);
-
-#if defined HAVE_BDWGC && defined EF_USE_BDWGC
-# if defined HAVE_THREADS
-# if !defined GC_PTHREADS
-# define GC_PTHREADS 1
-# endif /* !GC_PTHREADS */
-# if !defined GC_THREADS
-# define GC_THREADS 1
-# endif /* !GC_THREADS */
-# endif /* HAVE_THREADS */
-
-# undef GC_DEBUG
-# if defined GC_DEBUG_FLAG
-# define GC_DEBUG 1
-# endif /* GC_DEBUG_FLAG */
-# if defined HAVE_GC_GC_H
-# include <gc/gc.h>
-# elif defined HAVE_GC_H
-# include <gc.h>
-# else
-# error "Take less of those pills!"
-# endif
-
-# if defined GC_DEBUG_FLAG
-# define zmalloc GC_MALLOC_IGNORE_OFF_PAGE
-# define zcalloc(n, m) GC_MALLOC((n)*(m))
-# define zmalloc_atomic GC_MALLOC_ATOMIC_IGNORE_OFF_PAGE
-# define zmalloc_and_zero GC_MALLOC
-# define zrealloc GC_REALLOC
-# define zstrdup GC_STRDUP
-# undef zfree
-# define zfree(x) GC_FREE(x)
-# else /* !GC_DEBUG_FLAG */
-# define zmalloc GC_malloc_ignore_off_page
-# define zcalloc(n, m) GC_malloc((n)*(m))
-# define zmalloc_atomic GC_malloc_atomic_ignore_off_page
-# define zmalloc_and_zero GC_malloc
-# define zrealloc GC_realloc
-# define zstrdup GC_strdup
-# undef zfree
-# define zfree(x)
-# endif /* GC_DEBUG_FLAG */
-
-#else /* !BDWGC */
-#define zmalloc F&^!
-#define zcalloc F&^!
-#define zmalloc_atomic F&^!
-#define zmalloc_and_zero F&^!
-#define zrealloc F&^!
-#define zstrdrup F&^!
-#endif /* BDWGC */
-
-/* also define libc mem funs */
-#define ymalloc malloc
-#define ycalloc(n, m) calloc(n, m)
-#define ymalloc_atomic(n) ycalloc(1, n)
-#define ymalloc_and_zero(x) ycalloc(1, x)
-#define yrealloc realloc
-#define ystrdup strdup
-#define yfree(x) free(x)
-/* and their convenience companions */
-#define ynew(type) ((type*)ymalloc(sizeof(type)))
-#define ynew_array(type, len) ((type*)ymalloc((len) * sizeof(type)))
-#define ynew_and_zero(type) ((type*)ymalloc_and_zero(sizeof(type)))
-#define ynew_array_and_zero(type, len) \
- ((type*)ymalloc_and_zero((len) * sizeof(type)))
-#define YREALLOC_ARRAY(ptr, type, len) \
- ((void)(ptr = (type *)yrealloc(ptr, (len) * sizeof (type))))
-
-#if defined HAVE_BDWGC && defined EF_USE_BDWGC
-/* and now the x* series */
-# define xmalloc zmalloc
-# define xcalloc zcalloc
-# define xmalloc_atomic zmalloc_atomic
-# define xmalloc_and_zero zmalloc_and_zero
-# define xrealloc zrealloc
-# define xstrdup zstrdup
-# if defined ERROR_CHECK_MALLOC
-# define xfree(args...) zfree(args)
-# else /* !ERROR_CHECK_MALLOC */
-# define xfree(args...)
-# endif /* ERROR_CHECK_MALLOC */
-
-#else /* !BDWGC */
-void *xmalloc(size_t size);
-void *xmalloc_atomic(size_t size);
-void *xmalloc_and_zero(size_t size);
-void *xrealloc(void *, size_t size);
-char *xstrdup(const char *);
-# if defined ERROR_CHECK_MALLOC
-# if SIZEOF_VOID_P == 4
-# define xfree(lvalue) \
- do { \
- void *volatile *xfree_ptr = \
- (void *volatile*) \
- ((volatile void*)&(lvalue)); \
- assert(*xfree_ptr != (void*)0xB00BB4BE); \
- yfree(*xfree_ptr); \
- *xfree_ptr = (void*)0xB00BB4BE; \
- } while (0)
-# elif SIZEOF_VOID_P == 8
-# define xfree(lvalue) \
- do { \
- void *volatile *xfree_ptr = \
- (void *volatile*) \
- ((volatile void*)&(lvalue)); \
- assert(*xfree_ptr != (void*)0xCAFEBABEDEADBEEF); \
- yfree(*xfree_ptr); \
- *xfree_ptr = (void*)0xCAFEBABEDEADBEEF; \
- } while (0)
-# else /* huh? */
-# error "Strange-arse system detected. Watch a movie, it\'s more fun!"
-# endif
-# else /* !ERROR_CHECK_MALLOC */
-# define xfree(args...) yfree(args)
-# endif /* ERROR_CHECK_MALLOC */
-#endif /* BDWGC */
-
\f
/* str funs */
#define xstrlen strlen
projects / sxemacs / blobdiff