From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Tue, 21 Feb 2012 18:54:20 +0000 (-0500)
Subject: Support XSI strerror_r in error.h
X-Git-Tag: v2.0.0-rc2~35^2
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=e672cc585c3d67ee80278e29b538a3aed65df825;p=lttng-tools.git

Support XSI strerror_r in error.h

Acked-by: David Goulet <dgoulet@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/src/common/error.h b/src/common/error.h
index 81c20223d..14b5e7c67 100644
--- a/src/common/error.h
+++ b/src/common/error.h
@@ -77,12 +77,27 @@ extern int opt_verbose;
 #define _PERROR(fmt, args...) \
 	__lttng_print(PRINT_ERR, "perror " fmt "\n", ## args)
 
+#if !defined(__linux__) || ((_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !defined(_GNU_SOURCE))
+/*
+ * Version using XSI strerror_r.
+ */
+#define PERROR(call, args...) \
+	do { \
+		char buf[200]; \
+		strerror_r(errno, buf, sizeof(buf)); \
+		_PERROR(call ": %s", ## args, buf); \
+	} while(0);
+#else
+/*
+ * Version using GNU strerror_r, for linux with appropriate defines.
+ */
 #define PERROR(call, args...) \
-    do { \
+	do { \
 		char *buf; \
 		char tmp[200]; \
 		buf = strerror_r(errno, tmp, sizeof(tmp)); \
 		_PERROR(call ": %s", ## args, buf); \
 	} while(0);
+#endif
 
 #endif /* _ERROR_H */