src/basic/generate-errno-list.sh

   1 #!/usr/bin/env bash
   2 # SPDX-License-Identifier: LGPL-2.1-or-later
   3 set -eu
   4 set -o pipefail
   5
   6 # In kernel's arch/parisc/include/uapi/asm/errno.h, ECANCELLED and EREFUSED are defined as aliases of
   7 # ECANCELED and ECONNREFUSED, respectively. Let's drop them.
   8
   9 ${1:?} -dM -include errno.h - </dev/null | \
  10        grep -Ev '^#define[[:space:]]+(ECANCELLED|EREFUSED)' | \
  11        awk '/^#define[ \t]+E[^ _]+[ \t]+/ { print $2; }'