kc3-lang/gnulib/m4/stdlib_h.m4

• Show log

  Commit

• Hash : de138ad6
  Author :
  Date : 2008-03-29T13:50:21
  

  Document various strtod bugs, with some fixes.
  
  * doc/posix-functions/strtod.texi (strtod): Document bugs with
  "-0x", "inf", "nan", and hex constants.
  * doc/posix-functions/atof.texi (atof): Likewise.
  * modules/stdlib (Makefile.am): Support strtod.
  * m4/stdlib_h.m4 (gl_STDLIB_H_DEFAULTS): Likewise.
  * m4/strtod.m4 (gl_FUNC_STRTOD): Fit in stdlib framework, and
  detect additional strtod bugs.
  * lib/stdlib.in.h (rpl_strtod): Add declarations.
  * lib/strtod.c (strtod): Return -0.0 on negative underflow.  Use
  bool where appropriate.  Parse 'inf' and 'nan'.
  * tests/test-strtod.c: New file.
  * modules/strtod (Depends-on): Add stdbool, stdlib.
  (configure.ac): Turn on module indicator.
  * modules/strtod-tests: New module.
  
  Signed-off-by: Eric Blake <ebb9@byu.net>
  

Download

• m4/stdlib_h.m4

• # stdlib_h.m4 serial 6
  dnl Copyright (C) 2007, 2008 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_STDLIB_H],
  [
    AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
    gl_CHECK_NEXT_HEADERS([stdlib.h])
  ])
  
  AC_DEFUN([gl_STDLIB_MODULE_INDICATOR],
  [
    dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
    AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
    GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
  ])
  
  AC_DEFUN([gl_STDLIB_H_DEFAULTS],
  [
    GNULIB_MALLOC_POSIX=0;  AC_SUBST([GNULIB_MALLOC_POSIX])
    GNULIB_REALLOC_POSIX=0; AC_SUBST([GNULIB_REALLOC_POSIX])
    GNULIB_CALLOC_POSIX=0;  AC_SUBST([GNULIB_CALLOC_POSIX])
    GNULIB_GETSUBOPT=0;     AC_SUBST([GNULIB_GETSUBOPT])
    GNULIB_MKDTEMP=0;       AC_SUBST([GNULIB_MKDTEMP])
    GNULIB_MKSTEMP=0;       AC_SUBST([GNULIB_MKSTEMP])
    GNULIB_PUTENV=0;        AC_SUBST([GNULIB_PUTENV])
    GNULIB_SETENV=0;        AC_SUBST([GNULIB_SETENV])
    GNULIB_STRTOD=0;        AC_SUBST([GNULIB_STRTOD])
    GNULIB_UNSETENV=0;      AC_SUBST([GNULIB_UNSETENV])
    dnl Assume proper GNU behavior unless another module says otherwise.
    HAVE_CALLOC_POSIX=1;    AC_SUBST([HAVE_CALLOC_POSIX])
    HAVE_GETSUBOPT=1;       AC_SUBST([HAVE_GETSUBOPT])
    HAVE_MALLOC_POSIX=1;    AC_SUBST([HAVE_MALLOC_POSIX])
    HAVE_MKDTEMP=1;         AC_SUBST([HAVE_MKDTEMP])
    HAVE_REALLOC_POSIX=1;   AC_SUBST([HAVE_REALLOC_POSIX])
    HAVE_SETENV=1;          AC_SUBST([HAVE_SETENV])
    HAVE_STRTOD=1;          AC_SUBST([HAVE_STRTOD])
    HAVE_UNSETENV=1;        AC_SUBST([HAVE_UNSETENV])
    REPLACE_MKSTEMP=0;      AC_SUBST([REPLACE_MKSTEMP])
    REPLACE_PUTENV=0;       AC_SUBST([REPLACE_PUTENV])
    REPLACE_STRTOD=0;       AC_SUBST([REPLACE_STRTOD])
    VOID_UNSETENV=0;        AC_SUBST([VOID_UNSETENV])
  ])
  

Download