+static double begin_of_time = -1;
+
+static void xbt_log_layout_simple_dynamic(xbt_log_layout_t l,
+ xbt_log_event_t ev,
+ const char *fmt,
+ xbt_log_appender_t app)
+{
+ xbt_strbuff_t buff = xbt_strbuff_new();
+ char loc_buff[256];
+ char *p;
+
+ /* Put every static information in a static buffer, and copy them in the dyn one */
+ p = loc_buff;
+ p += snprintf(p, 256 - (p - ev->buffer), "[");
+
+ if (strlen(xbt_procname()))
+ p += snprintf(p, 256 - (p - ev->buffer), "%s:%s:(%d) ",
+ gras_os_myname(), xbt_procname(), (*xbt_getpid) ());
+ p +=
+ snprintf(p, 256 - (p - ev->buffer), "%f] ",
+ gras_os_time() - begin_of_time);
+ if (ev->priority != xbt_log_priority_info)
+ p +=
+ snprintf(p, 256 - (p - ev->buffer), "%s:%d: ", ev->fileName,
+ ev->lineNum);
+ p +=
+ snprintf(p, 256 - (p - ev->buffer), "[%s/%s] ", ev->cat->name,
+ xbt_log_priority_names[ev->priority]);
+
+ xbt_strbuff_append(buff, loc_buff);
+
+ vasprintf(&p, fmt, ev->ap_copy);
+ xbt_strbuff_append(buff, p);
+ free(p);
+
+ xbt_strbuff_append(buff, "\n");
+
+ app->do_append(app, buff->data);
+ xbt_strbuff_free(buff);
+}
+
+/* only used after the format using: we suppose that the buffer is big enough to display our data */
+#define check_overflow \
+ if (p-ev->buffer > XBT_LOG_BUFF_SIZE) { /* buffer overflow */ \
+ xbt_log_layout_simple_dynamic(l,ev,fmt,app); \
+ return; \
+ }
+