ywkaras opened a new issue, #9073:
URL: https://github.com/apache/trafficserver/issues/9073
Not working on Ubuntu:
```
wkaras ~/STRERR
$ cat x.cc
#include <string.h>
#include <iostream>
bool
_success(int retval)
{
return retval == 0;
}
bool
_success(char *retval)
{
return retval != nullptr;
}
void test(int err_num)
{
char buf[256];
char const *out;
// Handle either GNU or XSI version of strerror_r().
//
if (!_success(strerror_r(err_num, buf, 256))) {
out = "strerror_r() call failed";
} else {
buf[255] = '\0';
out = buf;
}
std::cout << "len=" << strlen(out) << '\n';
std::cout << '"' << out << '"' << '\n';
}
int main()
{
test(1);
test(98);
return 0;
}
wkaras ~/STRERR
$ gcc -Wall -Wextra -pedantic x.cc -lstdc++
wkaras ~/STRERR
$ ./a.out
len=1
""
len=1
""
wkaras ~/STRERR
$ gcc --version
gcc (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0
Copyright (C) 2019 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
wkaras ~/STRERR
$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=20.04
DISTRIB_CODENAME=focal
DISTRIB_DESCRIPTION="Ubuntu 20.04.4 LTS"
wkaras ~/STRERR
$
```
Also fails on RHEL 7.9 with GCC 8.3.1.
strerror_r() is used in include/ts/util/Strerror.h .
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