detailed error message for writefile

csimsek · Dec 24, 2017 · 26fcdf1 · 26fcdf1
1 parent ec59ae6
commit 26fcdf1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/writefile.c b/writefile.c
@@ -65,7 +65,7 @@ Datum fio_writefile(PG_FUNCTION_ARGS) {
     }
 
     if ((fd = fopen(filename, "w+")) == NULL) {
-        elog(ERROR, "cannot open file: %s", filename);
+        elog(ERROR, "cannot open file: %s (%s)", filename, strerror(errno));
         return 0;
     }
     buffer = text_to_cstring(vcontent);