1 /* $NetBSD: support.c,v 1.9 2018/09/18 22:12:19 christos Exp $ */
4 * Copyright (c) 2015 The NetBSD Foundation, Inc.
7 * This code is derived from software contributed to The NetBSD Foundation
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
35 #include <sys/cdefs.h>
36 __RCSID("$NetBSD: support.c,v 1.9 2018/09/18 22:12:19 christos Exp $");
48 static __attribute__((__format_arg__(3))) const char *
49 expandm(char *buf, size_t len, const char *fmt)
54 if ((p = strstr(fmt, "%m")) == NULL)
57 r = (size_t)(p - fmt);
61 strlcpy(buf, fmt, r + 1);
62 strlcat(buf, strerror(errno), len);
63 strlcat(buf, fmt + r + 2, len);
69 vdlog(int level __unused, const char *fmt, va_list ap)
73 // fprintf(stderr, "%s: ", getprogname());
74 vfprintf(stderr, expandm(buf, sizeof(buf), fmt), ap);
75 fprintf(stderr, "\n");
79 dlog(int level, const char *fmt, ...)
84 vdlog(level, fmt, ap);
89 fmttime(char *b, size_t l, time_t t)
92 if (localtime_r(&t, &tm) == NULL)
93 snprintf(b, l, "*%jd*", (intmax_t)t);
95 strftime(b, l, "%Y/%m/%d %H:%M:%S", &tm);
100 fmtydhms(char *b, size_t l, time_t t)
102 time_t s, m, h, d, y;
124 z = snprintf(b + o, l - o, "%jd%s", (intmax_t)a, __STRING(a)); \
140 blhexdump(char *buf, size_t len, const char *str, const void *b, size_t l)
144 const unsigned char *p = b;
145 const unsigned char *e = p + l;
147 r = snprintf(buf, len, "%s: ", str);
150 if ((cz = z = (size_t)r) >= len)
154 r = snprintf(buf + cz, len - cz, "%.2x", *p++);
157 if ((cz = (z += (size_t)r)) >= len)