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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 17:39:29 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 17:39:29 +0000 |
| commit | 8ffec2a3aba6f114784e11f89ef1d57a096ae540 (patch) | |
| tree | ccebcbad06203e8241a8e7249f8e6c478a3682ea /m4/secure_getenv.m4 | |
| parent | Initial commit. (diff) | |
| download | coreutils-8ffec2a3aba6f114784e11f89ef1d57a096ae540.tar.xz coreutils-8ffec2a3aba6f114784e11f89ef1d57a096ae540.zip | |
Adding upstream version 8.32.upstream/8.32upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'm4/secure_getenv.m4')
| -rw-r--r-- | m4/secure_getenv.m4 | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/m4/secure_getenv.m4 b/m4/secure_getenv.m4 new file mode 100644 index 0000000..29e2f53 --- /dev/null +++ b/m4/secure_getenv.m4 @@ -0,0 +1,26 @@ +# Look up an environment variable more securely. +dnl Copyright 2013-2020 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_SECURE_GETENV], +[ + dnl Persuade glibc <stdlib.h> to declare secure_getenv(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) + AC_CHECK_FUNCS_ONCE([secure_getenv]) + if test $ac_cv_func_secure_getenv = no; then + HAVE_SECURE_GETENV=0 + fi +]) + +# Prerequisites of lib/secure_getenv.c. +AC_DEFUN([gl_PREREQ_SECURE_GETENV], [ + AC_CHECK_FUNCS([__secure_getenv]) + if test $ac_cv_func___secure_getenv = no; then + AC_CHECK_FUNCS([issetugid]) + fi + AC_CHECK_FUNCS_ONCE([getuid geteuid getgid getegid]) +]) |