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Diffstat (limited to 'gnulib/m4/vsnprintf.m4')
| -rw-r--r-- | gnulib/m4/vsnprintf.m4 | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/gnulib/m4/vsnprintf.m4 b/gnulib/m4/vsnprintf.m4 new file mode 100644 index 00000000..d6ce1e6a --- /dev/null +++ b/gnulib/m4/vsnprintf.m4 @@ -0,0 +1,54 @@ +# vsnprintf.m4 serial 6 +dnl Copyright (C) 2002-2004, 2007-2011 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], [:]) |