diff options
Diffstat (limited to 'gnulib/m4/vasnprintf.m4')
| -rw-r--r-- | gnulib/m4/vasnprintf.m4 | 52 |
1 files changed, 50 insertions, 2 deletions
diff --git a/gnulib/m4/vasnprintf.m4 b/gnulib/m4/vasnprintf.m4 index ef2de787..6449a9c5 100644 --- a/gnulib/m4/vasnprintf.m4 +++ b/gnulib/m4/vasnprintf.m4 @@ -1,4 +1,4 @@ -# vasnprintf.m4 serial 20 +# vasnprintf.m4 serial 23 dnl Copyright (C) 2002-2004, 2006-2007 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -45,7 +45,10 @@ AC_DEFUN([gl_PREREQ_PRINTF_PARSE], AC_REQUIRE([gt_TYPE_WCHAR_T]) AC_REQUIRE([gt_TYPE_WINT_T]) AC_REQUIRE([AC_TYPE_SIZE_T]) - AC_CHECK_TYPES(ptrdiff_t) + AC_CHECK_TYPE([ptrdiff_t], , + [AC_DEFINE([ptrdiff_t], [long], + [Define as the type of the result of subtracting two pointers, if the system doesn't define it.]) + ]) AC_REQUIRE([gt_AC_TYPE_INTMAX_T]) ]) @@ -178,6 +181,49 @@ AC_DEFUN([gl_PREREQ_VASNPRINTF_FLAG_ZERO], esac ]) +# Extra prerequisites of lib/vasnprintf.c for supporting large precisions. +AC_DEFUN([gl_PREREQ_VASNPRINTF_PRECISION], +[ + AC_REQUIRE([gl_PRINTF_PRECISION]) + case "$gl_cv_func_printf_precision" in + *yes) + ;; + *) + AC_DEFINE([NEED_PRINTF_UNBOUNDED_PRECISION], 1, + [Define if the vasnprintf implementation needs special code for + supporting large precisions without arbitrary bounds.]) + AC_DEFINE([NEED_PRINTF_DOUBLE], 1, + [Define if the vasnprintf implementation needs special code for + 'double' arguments.]) + AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], 1, + [Define if the vasnprintf implementation needs special code for + 'long double' arguments.]) + ;; + esac +]) + +# Extra prerequisites of lib/vasnprintf.c for surviving out-of-memory +# conditions. +AC_DEFUN([gl_PREREQ_VASNPRINTF_ENOMEM], +[ + AC_REQUIRE([gl_PRINTF_ENOMEM]) + case "$gl_cv_func_printf_enomem" in + *yes) + ;; + *) + AC_DEFINE([NEED_PRINTF_ENOMEM], 1, + [Define if the vasnprintf implementation needs special code for + surviving out-of-memory conditions.]) + AC_DEFINE([NEED_PRINTF_DOUBLE], 1, + [Define if the vasnprintf implementation needs special code for + 'double' arguments.]) + AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], 1, + [Define if the vasnprintf implementation needs special code for + 'long double' arguments.]) + ;; + esac +]) + # Prerequisites of lib/vasnprintf.c including all extras for POSIX compliance. AC_DEFUN([gl_PREREQ_VASNPRINTF_WITH_EXTRAS], [ @@ -189,6 +235,8 @@ AC_DEFUN([gl_PREREQ_VASNPRINTF_WITH_EXTRAS], gl_PREREQ_VASNPRINTF_DIRECTIVE_F gl_PREREQ_VASNPRINTF_FLAG_GROUPING gl_PREREQ_VASNPRINTF_FLAG_ZERO + gl_PREREQ_VASNPRINTF_PRECISION + gl_PREREQ_VASNPRINTF_ENOMEM ]) # Prerequisites of lib/asnprintf.c. |