+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; \
+ }
+