| 1 | # vsnprintf.m4 serial 5 |
| 2 | dnl Copyright (C) 2002-2004, 2007-2010 Free Software Foundation, Inc. |
| 3 | dnl This file is free software; the Free Software Foundation |
| 4 | dnl gives unlimited permission to copy and/or distribute it, |
| 5 | dnl with or without modifications, as long as this notice is preserved. |
| 6 | |
| 7 | AC_DEFUN([gl_FUNC_VSNPRINTF], |
| 8 | [ |
| 9 | AC_REQUIRE([gl_STDIO_H_DEFAULTS]) |
| 10 | gl_cv_func_vsnprintf_usable=no |
| 11 | AC_CHECK_FUNCS([vsnprintf]) |
| 12 | if test $ac_cv_func_vsnprintf = yes; then |
| 13 | gl_SNPRINTF_SIZE1 |
| 14 | case "$gl_cv_func_snprintf_size1" in |
| 15 | *yes) |
| 16 | gl_cv_func_vsnprintf_usable=yes |
| 17 | ;; |
| 18 | esac |
| 19 | fi |
| 20 | if test $gl_cv_func_vsnprintf_usable = no; then |
| 21 | gl_REPLACE_VSNPRINTF |
| 22 | fi |
| 23 | AC_CHECK_DECLS_ONCE([vsnprintf]) |
| 24 | if test $ac_cv_have_decl_vsnprintf = no; then |
| 25 | HAVE_DECL_VSNPRINTF=0 |
| 26 | fi |
| 27 | ]) |
| 28 | |
| 29 | AC_DEFUN([gl_REPLACE_VSNPRINTF], |
| 30 | [ |
| 31 | AC_REQUIRE([gl_STDIO_H_DEFAULTS]) |
| 32 | AC_LIBOBJ([vsnprintf]) |
| 33 | if test $ac_cv_func_vsnprintf = yes; then |
| 34 | REPLACE_VSNPRINTF=1 |
| 35 | fi |
| 36 | gl_PREREQ_VSNPRINTF |
| 37 | ]) |
| 38 | |
| 39 | # Prerequisites of lib/vsnprintf.c. |
| 40 | AC_DEFUN([gl_PREREQ_VSNPRINTF], [:]) |