diff options
| author | Lorry Tar Creator <lorry-tar-importer@lorry> | 2016-05-16 09:22:21 +0000 |
|---|---|---|
| committer | Lorry Tar Creator <lorry-tar-importer@lorry> | 2016-05-16 09:22:21 +0000 |
| commit | d4fdeab4db0d0e699c8fbbb07f12c4e1f64d0f94 (patch) | |
| tree | 72231a38ed1cdd48ac6e02acb8b3917acb9dbcf4 /m4/vsnprintf.m4 | |
| download | tar-tarball-tar-1.29.tar.gz | |
Diffstat (limited to 'm4/vsnprintf.m4')
| -rw-r--r-- | m4/vsnprintf.m4 | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/m4/vsnprintf.m4 b/m4/vsnprintf.m4 new file mode 100644 index 0000000..28be6fd --- /dev/null +++ b/m4/vsnprintf.m4 @@ -0,0 +1,54 @@ +# vsnprintf.m4 serial 6 +dnl Copyright (C) 2002-2004, 2007-2015 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. + +dnl Libintl 0.17 will replace vsnprintf only if it does not support %1$s, +dnl but defers to any gnulib vsnprintf replacements. Therefore, gnulib +dnl must guarantee that the decision for replacing vsnprintf is a superset +dnl of the reasons checked by libintl. +AC_DEFUN([gl_FUNC_VSNPRINTF], +[ + AC_REQUIRE([gl_STDIO_H_DEFAULTS]) + gl_cv_func_vsnprintf_usable=no + AC_CHECK_FUNCS([vsnprintf]) + if test $ac_cv_func_vsnprintf = yes; then + gl_SNPRINTF_SIZE1 + case "$gl_cv_func_snprintf_size1" in + *yes) + gl_SNPRINTF_RETVAL_C99 + case "$gl_cv_func_snprintf_retval_c99" in + *yes) + gl_PRINTF_POSITIONS + case "$gl_cv_func_printf_positions" in + *yes) + gl_cv_func_vsnprintf_usable=yes + ;; + esac + ;; + esac + ;; + esac + fi + if test $gl_cv_func_vsnprintf_usable = no; then + gl_REPLACE_VSNPRINTF + fi + AC_CHECK_DECLS_ONCE([vsnprintf]) + if test $ac_cv_have_decl_vsnprintf = no; then + HAVE_DECL_VSNPRINTF=0 + fi +]) + +AC_DEFUN([gl_REPLACE_VSNPRINTF], +[ + AC_REQUIRE([gl_STDIO_H_DEFAULTS]) + AC_LIBOBJ([vsnprintf]) + if test $ac_cv_func_vsnprintf = yes; then + REPLACE_VSNPRINTF=1 + fi + gl_PREREQ_VSNPRINTF +]) + +# Prerequisites of lib/vsnprintf.c. +AC_DEFUN([gl_PREREQ_VSNPRINTF], [:]) |