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/* Memory allocation on the stack.
   Copyright (C) 1995, 1999, 2001-2005 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify it
   under the terms of the GNU General Public License as published
   by the Free Software Foundation; either version 2, or (at your option)
   any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   General Public License for more details.

   You should have received a copy of the GNU General Public
   License along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
   USA.  */

/* When this file is included, it may be preceded only by preprocessor
   declarations.  Thanks to AIX.  Therefore we include it right after
   "config.h", not later.  */

/* Avoid using the symbol _ALLOCA_H here, as Bison assumes _ALLOCA_H
   means there is a real alloca function.  */
#ifndef _GNULIB_ALLOCA_H
#define _GNULIB_ALLOCA_H

/* alloca(N) returns a pointer (void* or char*) to N bytes of memory
   allocated on the stack, and which will last until the function returns.
   Use of alloca should be avoided:
     - inside arguments of function calls - undefined behaviour,
     - in inline functions - the allocation may actually last until the
       calling function returns,
     - for huge N (say, N >= 65536) - you never know how large (or small)
       the stack is, and when the stack cannot fulfill the memory allocation
       request, the program just crashes.
 */

#ifdef __GNUC__
# ifndef alloca
#  define alloca __builtin_alloca
# endif
#else
# ifdef _MSC_VER
#  include <malloc.h>
#  define alloca _alloca
# else
#  if HAVE_ALLOCA_H
#   include <alloca.h>
#  else
#   ifdef _AIX
 #pragma alloca
#   else
#    ifdef __hpux /* This section must match that of bison generated files. */
#     ifdef __cplusplus
extern "C" void *alloca (unsigned int);
#     else /* not __cplusplus */
extern void *alloca ();
#     endif /* not __cplusplus */
#    else /* not __hpux */
#     ifndef alloca
extern char *alloca ();
#     endif
#    endif /* __hpux */
#   endif
#  endif
# endif
#endif

#endif /* _GNULIB_ALLOCA_H */
kc3-lang/libiconv/gnulib-local/lib/alloca_.h

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gnulib-local/lib/alloca_.h
