eealloc.m4

来自「gnu tar 源码包。 tar 软件是 Unix 系统下的一个打包软件」· M4 代码 · 共 33 行

# eealloc.m4 serial 1
dnl Copyright (C) 2003 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.

AC_DEFUN([gl_EEALLOC],
[
  AC_REQUIRE([gl_EEMALLOC])
  AC_REQUIRE([gl_EEREALLOC])
  AC_REQUIRE([AC_C_INLINE])
])

AC_DEFUN([gl_EEMALLOC],
[
  _AC_FUNC_MALLOC_IF(
    [gl_cv_func_malloc_0_nonnull=1],
    [gl_cv_func_malloc_0_nonnull=0])
  AC_DEFINE_UNQUOTED([MALLOC_0_IS_NONNULL], $gl_cv_func_malloc_0_nonnull,
    [If malloc(0) is != NULL, define this to 1.  Otherwise define this
     to 0.])
])

AC_DEFUN([gl_EEREALLOC],
[
  _AC_FUNC_REALLOC_IF(
    [gl_cv_func_realloc_0_nonnull=1],
    [gl_cv_func_realloc_0_nonnull=0])
  AC_DEFINE_UNQUOTED([REALLOC_0_IS_NONNULL], $gl_cv_func_realloc_0_nonnull,
    [If realloc(NULL,0) is != NULL, define this to 1.  Otherwise define this
     to 0.])
])