From ee0d92f7ace5fdcb8f9405eb8abec9d623218e79 Mon Sep 17 00:00:00 2001
From: Michael Jeanson <mjeanson@efficios.com>
Date: Thu, 2 Feb 2017 17:03:08 -0500
Subject: [PATCH] Port: replace strerror_r() with glib g_strerror()
MIME-Version: 1.0
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Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
---
 configure.ac                             |  1 -
 include/babeltrace/babeltrace-internal.h | 12 +++++------
 include/babeltrace/compat/string.h       | 26 ------------------------
 3 files changed, 6 insertions(+), 33 deletions(-)

diff --git a/configure.ac b/configure.ac
index 56255d0a..6d097bb6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -97,7 +97,6 @@ AC_FUNC_MALLOC
 AC_FUNC_MKTIME
 AC_FUNC_MMAP
 AC_FUNC_REALLOC
-AC_FUNC_STRERROR_R
 AC_CHECK_FUNCS([ \
 	atexit \
 	dirfd \
diff --git a/include/babeltrace/babeltrace-internal.h b/include/babeltrace/babeltrace-internal.h
index a903c686..0e73cdbf 100644
--- a/include/babeltrace/babeltrace-internal.h
+++ b/include/babeltrace/babeltrace-internal.h
@@ -83,16 +83,16 @@ extern int babeltrace_verbose, babeltrace_debug;
 
 #define _bt_printf_perror(fp, fmt, args...)				\
 	({								\
-		char buf[PERROR_BUFLEN] = "Error in strerror_r()";	\
-		compat_strerror_r(errno, buf, sizeof(buf));		\
-		_bt_printfe(fp, "error", buf, fmt, ## args);		\
+		const char *errstr;					\
+		errstr = g_strerror(errno);				\
+		_bt_printfe(fp, "error", errstr, fmt, ## args);		\
 	})
 
 #define _bt_printfl_perror(fp, lineno, fmt, args...)			\
 	({								\
-		char buf[PERROR_BUFLEN] = "Error in strerror_r()";	\
-		compat_strerror_r(errno, buf, sizeof(buf));		\
-		_bt_printfle(fp, "error", lineno, buf, fmt, ## args);	\
+		const char *errstr;					\
+		errstr = g_strerror(errno);				\
+		_bt_printfle(fp, "error", lineno, errstr, fmt, ## args);\
 	})
 
 /* printf without lineno information */
diff --git a/include/babeltrace/compat/string.h b/include/babeltrace/compat/string.h
index 60926161..c3325a3b 100644
--- a/include/babeltrace/compat/string.h
+++ b/include/babeltrace/compat/string.h
@@ -26,32 +26,6 @@
 #include <string.h>
 #include <stdlib.h>
 
-#if !defined(__GLIBC__) || ((_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !defined(_GNU_SOURCE))
-
-/* XSI-compliant strerror_r */
-static inline
-int compat_strerror_r(int errnum, char *buf, size_t buflen)
-{
-	return strerror_r(errnum, buf, buflen);
-}
-
-#else
-
-/* GNU-compliant strerror_r */
-static inline
-int compat_strerror_r(int errnum, char *buf, size_t buflen)
-{
-	char *retbuf;
-
-	retbuf = strerror_r(errnum, buf, buflen);
-	if (retbuf != buf)
-		strncpy(buf, retbuf, buflen);
-	buf[buflen - 1] = '\0';
-	return 0;
-}
-
-#endif
-
 #ifdef HAVE_STRNLEN
 static inline
 size_t bt_strnlen(const char *str, size_t max)
-- 
2.34.1