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# Test that errno_constants.py includes every error number defined by errno.h.
# Copyright (C) 2017 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
#
# The GNU C Library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# The GNU C Library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with the GNU C Library; if not, see
# <http://www.gnu.org/licenses/>.
# Usage: test-errno-constants.py $(common-objpfx)stdlib $(CC) $(CFLAGS) $(CPPFLAGS)
import os
import sys
import subprocess
sys.path.append(sys.argv[1])
import errno_constants
def main():
cc_cmd = sys.argv[2:]
cc_cmd.extend(["-E", "-dM", "-xc", "-"])
cc_proc = subprocess.Popen(cc_cmd,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE)
cc_proc.stdin.write(b"#define _GNU_SOURCE\n"
b"#include <errno.h>\n")
cc_proc.stdin.close()
cc_output = cc_proc.stdout.read()
status = cc_proc.wait()
if status:
sys.stderr.write("{}\nunsuccessful exit, status {:04x}"
.format(" ".join(cc_cmd), status))
sys.exit(1)
ok = True
for line in cc_output.decode("utf-8").splitlines():
if not line.startswith("#define E"):
continue
emacro = line.split()[1]
if not hasattr(errno_constants, emacro):
if ok:
sys.stderr.write("*** Missing constants:\n")
ok = False
sys.stderr.write(emacro + "\n")
sys.exit(0 if ok else 1)
main()
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