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Diffstat (limited to 'src/switchroot/ostree-mount-util.c')
-rw-r--r-- | src/switchroot/ostree-mount-util.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/switchroot/ostree-mount-util.c b/src/switchroot/ostree-mount-util.c new file mode 100644 index 00000000..c993c238 --- /dev/null +++ b/src/switchroot/ostree-mount-util.c @@ -0,0 +1,50 @@ +/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- + * + * Copyright (C) 2011,2013 Colin Walters <walters@verbum.org> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + * + * Author: Colin Walters <walters@verbum.org> + */ + +#define _GNU_SOURCE + +#include <stdarg.h> +#include <errno.h> +#include <string.h> +#include <stdio.h> + +#include "ostree-mount-util.h" + +int +perrorv (const char *format, ...) +{ + va_list args; + char buf[1024]; + char *p; + + p = strerror_r (errno, buf, sizeof (buf)); + + va_start (args, format); + + vfprintf (stderr, format, args); + fprintf (stderr, ": %s\n", p); + fflush (stderr); + + va_end (args); + + return 0; +} |