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#!/bin/sh
set -eu
if [ ! -e /var/run/utmp ]; then
echo "/var/run/utmp does not exist; skipping test"
exit 77
fi
if [ -n "${DEB_HOST_GNU_TYPE:-}" ]; then
CROSS_COMPILE="$DEB_HOST_GNU_TYPE-gcc"
else
CROSS_COMPILE="cc"
fi
cat <<EOF > test_helper_runner.c
#include <fcntl.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#define _XOPEN_SOURCE 600
#define __USE_XOPEN2KXSI
#define __USE_XOPEN_EXTENDED
#include <stdlib.h>
#define CHECK(x) do { \
int _ret = (x); \
if (_ret != 0) { \
printf(#x " returned %d: %s\n", _ret, strerror(errno)); \
exit (1); \
} \
} while(0)
int main()
{
setbuf(stdout, NULL);
const int i = posix_openpt(O_RDWR | O_NOCTTY);
printf("## open ptmx returned %d\n", i);
CHECK(grantpt(i));
CHECK(unlockpt(i));
printf("## ptsname: %s\n", ptsname(i));
dup2(i, 0);
printf("## doing utempter add\n");
CHECK(system("/usr/lib/$(dpkg-architecture --query DEB_HOST_MULTIARCH)/utempter/utempter add hostname_test_314159265359"));
printf("## checking who\n");
CHECK(system("who -a /run/utmp"));
printf("## doing utempter del\n");
CHECK(system("/usr/lib/$(dpkg-architecture --query DEB_HOST_MULTIARCH)/utempter/utempter del"));
printf("## checking who\n");
CHECK(system("who -a /run/utmp"));
printf("## DONE\n");
return 0;
}
EOF
${CROSS_COMPILE} -Wall -Wextra -Werror -O2 test_helper_runner.c -o test_helper_runner
./test_helper_runner
if [ $(./test_helper_runner | grep -c hostname_test_314159265359) -ne 1 ]; then
echo "inserted hostname not found"
exit 1
else
echo "inserted hostname found"
fi
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