Implement macros for error printout

Signed-off-by: Etienne Bergeron <etienneb@google.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/include/babeltrace/babeltrace-internal.h b/include/babeltrace/babeltrace-internal.h
index 6219b3a22eb0e41fe6a3a8496502df83610f2f97..339c1e7c115758190eacd0dadbbe7a2ad621de52 100644 (file)
--- a/include/babeltrace/babeltrace-internal.h
+++ b/include/babeltrace/babeltrace-internal.h
@@ -42,6 +42,55 @@ extern int babeltrace_verbose, babeltrace_debug;
                        fprintf(stdout, "[debug] " fmt, ## args);       \
        } while (0)
 
+#define _bt_printf(fp, kindstr, fmt, args...)                          \
+       fprintf(fp, "[%s]%s%s%s: " fmt "\n",                            \
+               kindstr,                                                \
+               (babeltrace_debug ? " \"" : ""),                        \
+               (babeltrace_debug ? __func__ : ""),                     \
+               (babeltrace_debug ? "\"" : ""),                         \
+               ## args)
+
+#define _bt_printfl(fp, kindstr, lineno, fmt, args...)                 \
+       fprintf(fp, "[%s]%s%s%s at line %u: " fmt "\n",                 \
+               kindstr,                                                \
+               (babeltrace_debug ? " \"" : ""),                        \
+               (babeltrace_debug ? __func__ : ""),                     \
+               (babeltrace_debug ? "\"" : ""),                         \
+               lineno,                                                 \
+               ## args)
+
+/* printf without lineno information */
+#define printf_fatal(fmt, args...)                                     \
+       _bt_printf(stderr, "fatal", fmt, ## args)
+#define printf_error(fmt, args...)                                     \
+       _bt_printf(stderr, "error", fmt, ## args)
+#define printf_warning(fmt, args...)                                   \
+       _bt_printf(stderr, "warning", fmt, ## args)
+
+/* printf with lineno information */
+#define printfl_fatal(lineno, fmt, args...)                            \
+       _bt_printfl(stderr, "fatal", lineno, fmt, ## args)
+#define printfl_error(lineno, fmt, args...)                            \
+       _bt_printfl(stderr, "error", lineno, fmt, ## args)
+#define printfl_warning(lineno, fmt, args...)                          \
+       _bt_printfl(stderr, "warning", lineno, fmt, ## args)
+
+/* printf with node lineno information */
+#define printfn_fatal(node, fmt, args...)                              \
+       _bt_printfl(stderr, "fatal", (node)->lineno, fmt, ## args)
+#define printfn_error(node, fmt, args...)                              \
+       _bt_printfl(stderr, "error", (node)->lineno, fmt, ## args)
+#define printfn_warning(node, fmt, args...)                            \
+       _bt_printfl(stderr, "warning", (node)->lineno, fmt, ## args)
+
+/* fprintf with Node lineno information */
+#define fprintfn_fatal(fp, node, fmt, args...)                         \
+       _bt_printfl(fp, "fatal", (node)->lineno, fmt, ## args)
+#define fprintfn_error(fp, node, fmt, args...)                         \
+       _bt_printfl(fp, "error", (node)->lineno, fmt, ## args)
+#define fprintfn_warning(fp, node, fmt, args...)                       \
+       _bt_printfl(fp, "warning", (node)->lineno, fmt, ## args)
+
 #define likely(x)      __builtin_expect(!!(x), 1)
 #define unlikely(x)    __builtin_expect(!!(x), 0)