| /*- |
| * Copyright 2009 Colin Percival |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * This file was originally written by Colin Percival as part of the Tarsnap |
| * online backup system. |
| */ |
| #include "scrypt_platform.h" |
| |
| #ifdef HAVE_ERR_H |
| /* |
| * Everything is provided through err.h and the associated library, so we |
| * don't need to do anything here. |
| */ |
| #else |
| #include <errno.h> |
| #include <stdarg.h> |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include "warn.h" |
| |
| const char * warn_progname = "(null)"; |
| |
| void |
| warn(const char * fmt, ...) |
| { |
| va_list ap; |
| |
| va_start(ap, fmt); |
| fprintf(stderr, "%s", warn_progname); |
| if (fmt != NULL) { |
| fprintf(stderr, ": "); |
| vfprintf(stderr, fmt, ap); |
| } |
| fprintf(stderr, ": %s\n", strerror(errno)); |
| va_end(ap); |
| } |
| |
| void |
| warnx(const char * fmt, ...) |
| { |
| va_list ap; |
| |
| va_start(ap, fmt); |
| fprintf(stderr, "%s", warn_progname); |
| if (fmt != NULL) { |
| fprintf(stderr, ": "); |
| vfprintf(stderr, fmt, ap); |
| } |
| fprintf(stderr, "\n"); |
| va_end(ap); |
| } |
| #endif |