Disable the globerr callback.

uftrace-0.8.1/configure has an unquoted sed pattern that looks like a
glob.  It relies on the glob failing.

benchmarks/runtime.sh

@@ -37,6 +37,7 @@ configure-and-show-new() {

  pushd $dir >/dev/null
  touch __TIMESTAMP
  #$OSH -x ./configure
  $OSH ./configure

  echo

native/libc.c

@@ -55,8 +55,16 @@ func_fnmatch(PyObject *self, PyObject *args) {
}

// error callback to glob()
//
// Disabled because of spurious errors.  For example, sed -i s/.*// (without
// quotes) is OK, but it would be treated as a glob, and prints an error if the
// directory 's' doesn't exist.
//
// Bash does its own globbing -- it doesn't use libc.  Likewise, I think dash
// and mksh do their own globbing.

int globerr(const char *path, int eerrno) {
  fprintf(stderr, "%s: %s\n", path, strerror(eerrno));
  fprintf(stderr, "globerr: %s: %s\n", path, strerror(eerrno));
  return 0;  // let glob() keep going
}

@@ -73,7 +81,7 @@ func_glob(PyObject *self, PyObject *args) {
  int flags = 0;
  // int flags = GLOB_APPEND;
  //flags |= GLOB_NOMAGIC;
  int ret = glob(pattern, flags, globerr, &results);
  int ret = glob(pattern, flags, NULL, &results);

  const char *err_str = NULL;
  switch (ret) {
@@ -95,7 +103,7 @@ func_glob(PyObject *self, PyObject *args) {
    break;
  }
  if (err_str) {
    fprintf(stderr, "%s: %s\n", pattern, err_str);
    fprintf(stderr, "func_glob: %s: %s\n", pattern, err_str);
  }

  // http://stackoverflow.com/questions/3512414/does-this-pylist-appendlist-py-buildvalue-leak