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authorBruno Haible <bruno@clisp.org>2023-03-24 11:17:22 +0100
committerBruno Haible <bruno@clisp.org>2023-03-24 11:17:22 +0100
commit21cb2b8ed03e0dd628c9be30734f563627a9b7e5 (patch)
tree69fbcf313a382556f47992719c1a3467562a846f /m4/vsprintf-gnu.m4
parent0bba8aca9171f8b2e8835b0e2733541e8f119496 (diff)
downloadgnulib-21cb2b8ed03e0dd628c9be30734f563627a9b7e5.tar.gz
vsprintf-gnu: New module.
* m4/vsprintf-posix.m4 (gl_FUNC_VSPRINTF_IS_POSIX): New macro, extracted from gl_FUNC_VSPRINTF_POSIX. (gl_FUNC_VSPRINTF_POSIX): Require it. Invoke gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS. * m4/vsprintf-gnu.m4: New file, based on m4/vsprintf-posix.m4. * modules/vsprintf-gnu: New file, based on modules/vasnprintf-gnu. * doc/posix-functions/vsprintf.texi: Mention the new module.
Diffstat (limited to 'm4/vsprintf-gnu.m4')
-rw-r--r--m4/vsprintf-gnu.m425
1 files changed, 25 insertions, 0 deletions
diff --git a/m4/vsprintf-gnu.m4 b/m4/vsprintf-gnu.m4
new file mode 100644
index 0000000000..4569e3599b
--- /dev/null
+++ b/m4/vsprintf-gnu.m4
@@ -0,0 +1,25 @@
+# vsprintf-gnu.m4 serial 1
+dnl Copyright (C) 2023 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_FUNC_VSPRINTF_GNU],
+[
+ AC_REQUIRE([gl_FUNC_VSPRINTF_IS_POSIX])
+ AC_REQUIRE([gl_PRINTF_DIRECTIVE_UPPERCASE_B])
+ gl_cv_func_vsprintf_gnu=no
+ if test $gl_cv_func_vsprintf_posix = yes; then
+ case "$gl_cv_func_printf_directive_uppercase_b" in
+ *yes)
+ # vsprintf is already POSIX compliant and GNU compatible.
+ gl_cv_func_vsprintf_gnu=yes
+ ;;
+ esac
+ fi
+ if test $gl_cv_func_vsprintf_gnu = no; then
+ gl_PREREQ_VASNPRINTF_WITH_GNU_EXTRAS
+ gl_REPLACE_VASNPRINTF
+ gl_REPLACE_VSPRINTF
+ fi
+])