ClickHouse/base/base/errnoToString.cpp
Robert Schulze 1a0b5f33b3
More consistent use of platform macros
cmake/target.cmake defines macros for the supported platforms, this
commit changes predefined system macros to our own macros.

__linux__ --> OS_LINUX
__APPLE__ --> OS_DARWIN
__FreeBSD__ --> OS_FREEBSD
2022-06-10 10:22:31 +02:00

30 lines
773 B
C++

#include "errnoToString.h"
#include <fmt/format.h>
std::string errnoToString(int code, int the_errno)
{
const size_t buf_size = 128;
char buf[buf_size];
#ifndef _GNU_SOURCE
int rc = strerror_r(the_errno, buf, buf_size);
#ifdef OS_DARWIN
if (rc != 0 && rc != EINVAL)
#else
if (rc != 0)
#endif
{
std::string tmp = std::to_string(code);
const char * code_str = tmp.c_str();
const char * unknown_message = "Unknown error ";
strcpy(buf, unknown_message);
strcpy(buf + strlen(unknown_message), code_str);
}
return fmt::format("errno: {}, strerror: {}", the_errno, buf);
#else
(void)code;
return fmt::format("errno: {}, strerror: {}", the_errno, strerror_r(the_errno, buf, sizeof(buf)));
#endif
}