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-rw-r--r--m4/strtoull.m462
1 files changed, 62 insertions, 0 deletions
diff --git a/m4/strtoull.m4 b/m4/strtoull.m4
new file mode 100644
index 0000000..4f895c7
--- /dev/null
+++ b/m4/strtoull.m4
@@ -0,0 +1,62 @@
+# strtoull.m4 serial 10
+dnl Copyright (C) 2002, 2004, 2006, 2008-2023 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_STRTOULL],
+[
+ AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
+ AC_REQUIRE([AC_CANONICAL_HOST])
+ AC_CHECK_FUNCS([strtoull])
+ if test $ac_cv_func_strtoull = yes; then
+ AC_CACHE_CHECK([whether strtoull works],
+ [gl_cv_func_strtoull_works],
+ [AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include <stdlib.h>]],
+ [[int result = 0;
+ char *term;
+ /* This test fails on Minix and native Windows. */
+ {
+ const char input[] = "0x";
+ (void) strtoull (input, &term, 16);
+ if (term != input + 1)
+ result |= 1;
+ }
+ /* This test fails on pre-C23 platforms. */
+ {
+ const char input[] = "0b1";
+ (void) strtoull (input, &term, 2);
+ if (term != input + 3)
+ result |= 2;
+ }
+ return result;
+ ]])
+ ],
+ [gl_cv_func_strtoull_works=yes],
+ [gl_cv_func_strtoull_works=no],
+ [case "$host_os" in
+ # Guess no on native Windows.
+ mingw*) gl_cv_func_strtoull_works="guessing no" ;;
+ # Guess no on glibc systems.
+ *-gnu* | gnu*) gl_cv_func_strtoull_works="guessing no" ;;
+ # Guess no on musl systems.
+ *-musl* | midipix*) gl_cv_func_strtoull_works="guessing no" ;;
+ *) gl_cv_func_strtoull_works="$gl_cross_guess_normal" ;;
+ esac
+ ])
+ ])
+ case "$gl_cv_func_strtoull_works" in
+ *yes) ;;
+ *) REPLACE_STRTOULL=1 ;;
+ esac
+ else
+ HAVE_STRTOULL=0
+ fi
+])
+
+# Prerequisites of lib/strtoull.c.
+AC_DEFUN([gl_PREREQ_STRTOULL], [
+ :
+])