Mercurial > hg > octave-jordi > gnulib-hg
changeset 13433:7f9b23c2c458
Use modern idiom for malloc() replacement.
| author | Bruno Haible <bruno@clisp.org> |
|---|---|
| date | Mon, 21 Jun 2010 23:58:08 +0200 |
| parents | 7c47558d5b02 |
| children | 3075f4843802 |
| files | ChangeLog m4/malloc.m4 modules/malloc |
| diffstat | 3 files changed, 39 insertions(+), 6 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,15 @@ +2010-06-21 Bruno Haible <bruno@clisp.org> + + Use modern idiom for malloc() replacement. + * modules/malloc (configure.ac): Invoke gl_FUNC_MALLOC_GNU instead of + AC_FUNC_MALLOC. + * m4/malloc.m4 (gl_FUNC_MALLOC_GNU): New macro, mostly copied from + Autoconf's AC_FUNC_MALLOC. + (gl_FUNC_MALLOC_POSIX): Rely on gl_STDLIB_H_DEFAULTS to initialize + HAVE_MALLOC_POSIX. Invoke gl_REPLACE_MALLOC. + (gl_REPLACE_MALLOC): New macro. + Reported by Richard Lloyd <richard.lloyd@connectinternetsolutions.com>. + 2010-06-20 Richard Lloyd <richard.lloyd@connectinternetsolutions.com> stdio.in.h: fix compilation failure when using HP-UX 11's C compiler
--- a/m4/malloc.m4 +++ b/m4/malloc.m4 @@ -1,25 +1,40 @@ -# malloc.m4 serial 9 +# malloc.m4 serial 10 dnl Copyright (C) 2007, 2009, 2010 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. +# gl_FUNC_MALLOC_GNU +# ------------------ +# Test whether 'malloc (0)' is handled like in GNU libc, and replace malloc if +# it is not. +AC_DEFUN([gl_FUNC_MALLOC_GNU], +[ + AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + dnl _AC_FUNC_MALLOC_IF is defined in Autoconf. + _AC_FUNC_MALLOC_IF( + [AC_DEFINE([HAVE_MALLOC], [1], + [Define to 1 if your system has a GNU libc compatible 'malloc' + function, and to 0 otherwise.])], + [AC_DEFINE([HAVE_MALLOC], [0]) + gl_REPLACE_MALLOC + ]) +]) + # gl_FUNC_MALLOC_POSIX # -------------------- # Test whether 'malloc' is POSIX compliant (sets errno to ENOMEM when it # fails), and replace malloc if it is not. AC_DEFUN([gl_FUNC_MALLOC_POSIX], [ + AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) AC_REQUIRE([gl_CHECK_MALLOC_POSIX]) if test $gl_cv_func_malloc_posix = yes; then - HAVE_MALLOC_POSIX=1 AC_DEFINE([HAVE_MALLOC_POSIX], [1], [Define if the 'malloc' function is POSIX compliant.]) else - AC_LIBOBJ([malloc]) - HAVE_MALLOC_POSIX=0 + gl_REPLACE_MALLOC fi - AC_SUBST([HAVE_MALLOC_POSIX]) ]) # Test whether malloc, realloc, calloc are POSIX compliant, @@ -39,3 +54,9 @@ ], [gl_cv_func_malloc_posix=yes], [gl_cv_func_malloc_posix=no]) ]) ]) + +AC_DEFUN([gl_REPLACE_MALLOC], +[ + AC_LIBOBJ([malloc]) + HAVE_MALLOC_POSIX=0 +])