-extern int babeltrace_verbose, babeltrace_debug;
-
-#define printf_verbose(fmt, args...) \
- do { \
- if (babeltrace_verbose) \
- fprintf(stdout, "[verbose] " fmt, ## args); \
- } while (0)
-
-#define printf_debug(fmt, args...) \
- do { \
- if (babeltrace_debug) \
- fprintf(stdout, "[debug] " fmt, ## args); \
- } while (0)
-
-#define likely(x) __builtin_expect(!!(x), 1)
-#define unlikely(x) __builtin_expect(!!(x), 0)
-
-struct trace_descriptor;
-struct trace_collection {
- GPtrArray *array; /* struct trace_descriptor */
- GHashTable *clocks; /* struct ctf_clock */
-};
-
-extern int opt_all_field_names,
- opt_scope_field_names,
- opt_header_field_names,
- opt_context_field_names,
- opt_payload_field_names,
- opt_all_fields,
- opt_trace_field,
- opt_trace_domain_field,
- opt_trace_procname_field,
- opt_trace_vpid_field,
- opt_loglevel_field,
- opt_delta_field,
- opt_clock_raw,
- opt_clock_seconds,
- opt_clock_date,
- opt_clock_gmt;
-
-extern uint64_t opt_clock_offset;
+#define PERROR_BUFLEN 200
+
+#ifndef likely
+# ifdef __GNUC__
+# define likely(x) __builtin_expect(!!(x), 1)
+# else
+# define likely(x) (!!(x))
+# endif
+#endif
+
+#ifndef unlikely
+# ifdef __GNUC__
+# define unlikely(x) __builtin_expect(!!(x), 0)
+# else
+# define unlikely(x) (!!(x))
+# endif
+#endif
+
+#ifndef min
+#define min(a, b) (((a) < (b)) ? (a) : (b))
+#endif
+
+#ifndef max
+#define max(a, b) (((a) > (b)) ? (a) : (b))
+#endif
+
+#ifndef max_t
+#define max_t(type, a, b) \
+ ((type) (a) > (type) (b) ? (type) (a) : (type) (b))
+#endif
+
+static inline
+bool bt_safe_to_mul_int64(int64_t a, int64_t b)
+{
+ if (a == 0 || b == 0) {
+ return true;
+ }
+
+ return a < INT64_MAX / b;
+}
+
+static inline
+bool bt_safe_to_mul_uint64(uint64_t a, uint64_t b)
+{
+ if (a == 0 || b == 0) {
+ return true;
+ }
+
+ return a < UINT64_MAX / b;
+}
+
+static inline
+bool bt_safe_to_add_int64(int64_t a, int64_t b)
+{
+ return a <= INT64_MAX - b;
+}
+
+static inline
+bool bt_safe_to_add_uint64(uint64_t a, uint64_t b)
+{
+ return a <= UINT64_MAX - b;
+}
+
+/*
+ * Memory allocation zeroed
+ */
+#define zmalloc(x) calloc(1, x)
+
+/*
+ * BT_HIDDEN: set the hidden attribute for internal functions
+ * On Windows, symbols are local unless explicitly exported,
+ * see https://gcc.gnu.org/wiki/Visibility
+ */
+#if defined(_WIN32) || defined(__CYGWIN__)
+#define BT_HIDDEN
+#else
+#define BT_HIDDEN __attribute__((visibility("hidden")))
+#endif
+
+#ifndef __STRINGIFY
+#define __STRINGIFY(x) #x
+#endif
+
+#define TOSTRING(x) __STRINGIFY(x)
+
+#define BT_UNUSED __attribute__((unused))