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Diffstat (limited to 'm4/calloc.m4')
| -rw-r--r-- | m4/calloc.m4 | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/m4/calloc.m4 b/m4/calloc.m4 deleted file mode 100644 index c1091718e..000000000 --- a/m4/calloc.m4 +++ /dev/null @@ -1,43 +0,0 @@ -# calloc.m4 serial 6 - -# Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc. -# This file is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# Written by Jim Meyering. - -# Determine whether calloc (N, S) returns non-NULL when N*S is zero, -# and returns NULL when N*S overflows. -# If so, define HAVE_CALLOC. Otherwise, define calloc to rpl_calloc -# and arrange to use a calloc wrapper function that does work in that case. - -# _AC_FUNC_CALLOC_IF(IF-WORKS, IF-NOT) -# ------------------------------------- -# If `calloc (0, 0)' is properly handled, run IF-WORKS, otherwise, IF-NOT. -AC_DEFUN([_AC_FUNC_CALLOC_IF], -[AC_REQUIRE([AC_TYPE_SIZE_T])dnl -AC_CACHE_CHECK([for GNU libc compatible calloc], ac_cv_func_calloc_0_nonnull, -[AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], - [exit (!calloc (0, 0) || calloc ((size_t) -1 / 8 + 1, 8));])], - [ac_cv_func_calloc_0_nonnull=yes], - [ac_cv_func_calloc_0_nonnull=no], - [ac_cv_func_calloc_0_nonnull=no])]) -AS_IF([test $ac_cv_func_calloc_0_nonnull = yes], [$1], [$2]) -])# AC_FUNC_CALLOC - - -# AC_FUNC_CALLOC -# --------------- -# Report whether `calloc (0, 0)' is properly handled, and replace calloc if -# needed. -AC_DEFUN([AC_FUNC_CALLOC], -[_AC_FUNC_CALLOC_IF( - [AC_DEFINE([HAVE_CALLOC], 1, - [Define to 1 if your system has a GNU libc compatible `calloc' - function, and to 0 otherwise.])], - [AC_DEFINE([HAVE_CALLOC], 0) - AC_LIBOBJ([calloc]) - AC_DEFINE([calloc], [rpl_calloc], - [Define to rpl_calloc if the replacement function should be used.])]) -])# AC_FUNC_CALLOC |