diff options
Diffstat (limited to 'include/nc_alloc.h')
| -rw-r--r-- | include/nc_alloc.h | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/include/nc_alloc.h b/include/nc_alloc.h index cfea2beb6daf..1fd54095e19c 100644 --- a/include/nc_alloc.h +++ b/include/nc_alloc.h @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright 2019-2020,2021 Thomas E. Dickey * + * Copyright 2019-2021,2025 Thomas E. Dickey * * Copyright 1998-2013,2017 Free Software Foundation, Inc. * * * * Permission is hereby granted, free of charge, to any person obtaining a * @@ -30,7 +30,7 @@ /**************************************************************************** * Author: Thomas E. Dickey 1996-on * ****************************************************************************/ -/* $Id: nc_alloc.h,v 1.30 2021/11/20 23:33:38 tom Exp $ */ +/* $Id: nc_alloc.h,v 1.36 2025/03/01 15:02:06 tom Exp $ */ #ifndef NC_ALLOC_included #define NC_ALLOC_included 1 @@ -118,6 +118,27 @@ extern NCURSES_EXPORT(void) _nc_leaks_tinfo(void); #define typeCalloc(type,elts) (type *)calloc((size_t)(elts),sizeof(type)) #define typeRealloc(type,elts,ptr) (type *)_nc_doalloc(ptr, (size_t)(elts)*sizeof(type)) +/* provide for using VLAs if supported, otherwise assume alloca() */ + +#ifndef __STDC_VERSION__ +#define __STDC_VERSION__ 0 +#endif + +#ifndef __STDC_NO_VLA__ +#define __STDC_NO_VLA__ 1 +#endif + +#if __STDC_VERSION__ >= 19901L && (__STDC_VERSION__ < 201000L || !__STDC_NO_VLA__) +#define MakeArray(name,type,count) type name[count] +#else +#if HAVE_ALLOCA_H +#include <alloca.h> +#elif HAVE_MALLOC_H +#include <malloc.h> +#endif +#define MakeArray(name,type,count) type *name = (type*) alloca(sizeof(type) * (size_t) (count)) +#endif + #ifdef __cplusplus } #endif |