From 46e99be201522502bc6397309cb01cf18058231e Mon Sep 17 00:00:00 2001
From: Devaev Maxim <mdevaev@gmail.com>
Date: Tue, 19 Mar 2019 22:26:30 +0300
Subject: [PATCH] Supported XSI strerror_r()

---
 src/logging.h | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/logging.h b/src/logging.h
index f432c5a..4134fe4 100644
--- a/src/logging.h
+++ b/src/logging.h
@@ -80,7 +80,7 @@ pthread_mutex_t log_mutex;
 
 #define LOG_PERROR(_msg, ...) { \
 		char _buf[1024] = ""; \
-		char *_ptr = strerror_r(errno, _buf, 1024); \
+		char *_ptr = errno_to_string(_buf, 1024); \
 		LOGGING_LOCK; \
 		printf("-- ERROR [%.03Lf tid=%d] -- " _msg ": %s\n", get_now_monotonic(), get_thread_id(), ##__VA_ARGS__, _ptr); \
 		fflush(stdout); \
@@ -120,3 +120,13 @@ pthread_mutex_t log_mutex;
 			LOGGING_UNLOCK; \
 		} \
 	}
+
+
+INLINE char *errno_to_string(char *buf, size_t size) {
+#if defined(__GLIBC__) && defined(_GNU_SOURCE)
+	return strerror_r(errno, buf, size);
+#else
+	strerror_r(errno, buf, size);
+	return buf;
+#endif
+}