+/* Copyright (C) 2009 Pierre-Marc Fournier
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
#ifndef USTERR_H
#define USTERR_H
#include <stdarg.h>
#include <stdio.h>
+#include <ust/core.h>
+
#include "share.h"
#ifndef UST_COMPONENT
* signal handlers, so we must use a print method which is signal safe.
*/
+extern int ust_safe_snprintf(char *str, size_t n, const char *fmt, ...)
+ __attribute__ ((format (printf, 3, 4)));
+
#define sigsafe_print_err(fmt, args...) \
{ \
/* Can't use dynamic allocation. Limit ourselves to 250 chars. */ \
/* Save the errno. */ \
____saved_errno = errno; \
\
- snprintf(____buf, sizeof(____buf), fmt, ## args); \
+ ust_safe_snprintf(____buf, sizeof(____buf), fmt, ## args); \
\
/* Add end of string in case of buffer overflow. */ \
____buf[sizeof(____buf)-1] = 0; \
#define UST_STR_COMPONENT XSTR(UST_COMPONENT)
-#define ERRMSG(fmt, args...) do { sigsafe_print_err(UST_STR_COMPONENT "[%ld/%ld]: " fmt " (" __FILE__ ":" XSTR(__LINE__) ")\n", (long) getpid(), (long) syscall(SYS_gettid), ## args); fflush(stderr); } while(0)
+#define ERRMSG(fmt, args...) do { sigsafe_print_err(UST_STR_COMPONENT "[%ld/%ld]: " fmt " (in %s() at " __FILE__ ":" XSTR(__LINE__) ")\n", (long) getpid(), (long) syscall(SYS_gettid), ## args, __func__); fflush(stderr); } while(0)
#ifdef UST_DEBUG
# define DBG(fmt, args...) ERRMSG(fmt, ## args)
+# define DBG_raw(fmt, args...) do { sigsafe_print_err(fmt, ## args); fflush(stderr); } while(0)
#else
# define DBG(fmt, args...) do {} while(0)
+# define DBG_raw(fmt, args...) do {} while(0)
#endif
#define WARN(fmt, args...) ERRMSG("Warning: " fmt, ## args)
#define ERR(fmt, args...) ERRMSG("Error: " fmt, ## args)
#define BUG_ON(condition) do { if (unlikely(condition)) ERR("condition not respected (BUG)"); } while(0)
#define WARN_ON(condition) do { if (unlikely(condition)) WARN("condition not respected on line %s:%d", __FILE__, __LINE__); } while(0)
+#define WARN_ON_ONCE(condition) WARN_ON(condition)
#endif /* USTERR_H */