--- /dev/null
+/* $scrotwm$ */
+
+#include <sys/types.h>
+#include <sys/cdefs.h>
+
+#include <errno.h>
+#include <errno.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "util.h"
+
+/*
+ * All the workarounds for glibc stupidity are piled into this file...
+ */
+
+/* --------------------------------------------------------------------------- */
+/* $OpenBSD: strlcpy.c,v 1.10 2005/08/08 08:05:37 espie Exp $ */
+
+/*
+ * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * Copy src to string dst of size siz. At most siz-1 characters
+ * will be copied. Always NUL terminates (unless siz == 0).
+ * Returns strlen(src); if retval >= siz, truncation occurred.
+ */
+size_t
+strlcpy(char *dst, const char *src, size_t siz)
+{
+ char *d = dst;
+ const char *s = src;
+ size_t n = siz;
+
+ /* Copy as many bytes as will fit */
+ if (n != 0 && --n != 0) {
+ do {
+ if ((*d++ = *s++) == 0)
+ break;
+ } while (--n != 0);
+ }
+
+ /* Not enough room in dst, add NUL and traverse rest of src */
+ if (n == 0) {
+ if (siz != 0)
+ *d = '\0'; /* NUL-terminate dst */
+ while (*s++)
+ ;
+ }
+
+ return(s - src - 1); /* count does not include NUL */
+}
+
+/* --------------------------------------------------------------------------- */
+/* $OpenBSD: strlcat.c,v 1.13 2005/08/08 08:05:37 espie Exp $ */
+
+/*
+ * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * Appends src to string dst of size siz (unlike strncat, siz is the
+ * full size of dst, not space left). At most siz-1 characters
+ * will be copied. Always NUL terminates (unless siz <= strlen(dst)).
+ * Returns strlen(src) + MIN(siz, strlen(initial dst)).
+ * If retval >= siz, truncation occurred.
+ */
+size_t
+strlcat(char *dst, const char *src, size_t siz)
+{
+ char *d = dst;
+ const char *s = src;
+ size_t n = siz;
+ size_t dlen;
+
+ /* Find the end of dst and adjust bytes left but don't go past end */
+ while (n-- != 0 && *d != '\0')
+ d++;
+ dlen = d - dst;
+ n = siz - dlen;
+
+ if (n == 0)
+ return(dlen + strlen(s));
+ while (*s != '\0') {
+ if (n != 1) {
+ *d++ = *s;
+ n--;
+ }
+ s++;
+ }
+ *d = '\0';
+
+ return(dlen + (s - src)); /* count does not include NUL */
+}
+
+/* --------------------------------------------------------------------------- */
+/* $NetBSD: fgetln.c,v 1.3 2007/08/07 02:06:58 lukem Exp $ */
+
+/*-
+ * Copyright (c) 1998 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Christos Zoulas.
+ *
+ * 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.
+ * 3. Neither the name of The NetBSD Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+ */
+
+char *
+fgetln(fp, len)
+ FILE *fp;
+ size_t *len;
+{
+ static char *buf = NULL;
+ static size_t bufsiz = 0;
+ char *ptr;
+
+
+ if (buf == NULL) {
+ bufsiz = BUFSIZ;
+ if ((buf = malloc(bufsiz)) == NULL)
+ return NULL;
+ }
+
+ if (fgets(buf, bufsiz, fp) == NULL)
+ return NULL;
+
+ *len = 0;
+ while ((ptr = strchr(&buf[*len], '\n')) == NULL) {
+ size_t nbufsiz = bufsiz + BUFSIZ;
+ char *nbuf = realloc(buf, nbufsiz);
+
+ if (nbuf == NULL) {
+ int oerrno = errno;
+ free(buf);
+ errno = oerrno;
+ buf = NULL;
+ return NULL;
+ } else
+ buf = nbuf;
+
+ *len = bufsiz;
+ if (fgets(&buf[bufsiz], BUFSIZ, fp) == NULL)
+ return buf;
+
+ bufsiz = nbufsiz;
+ }
+
+ *len = (ptr - buf) + 1;
+ return buf;
+}
+
+/* --------------------------------------------------------------------------- */
+/* $OpenBSD: fparseln.c,v 1.6 2005/08/02 21:46:23 espie Exp $ */
+/* $NetBSD: fparseln.c,v 1.7 1999/07/02 15:49:12 simonb Exp $ */
+
+/*
+ * Copyright (c) 1997 Christos Zoulas. 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.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by Christos Zoulas.
+ * 4. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
+ */
+
+#define FPARSELN_UNESCESC 0x01
+#define FPARSELN_UNESCCONT 0x02
+#define FPARSELN_UNESCCOMM 0x04
+#define FPARSELN_UNESCREST 0x08
+#define FPARSELN_UNESCALL 0x0f
+
+static int isescaped(const char *, const char *, int);
+
+/* isescaped():
+ * Return true if the character in *p that belongs to a string
+ * that starts in *sp, is escaped by the escape character esc.
+ */
+static int
+isescaped(const char *sp, const char *p, int esc)
+{
+ const char *cp;
+ size_t ne;
+
+ /* No escape character */
+ if (esc == '\0')
+ return 1;
+
+ /* Count the number of escape characters that precede ours */
+ for (ne = 0, cp = p; --cp >= sp && *cp == esc; ne++)
+ continue;
+
+ /* Return true if odd number of escape characters */
+ return (ne & 1) != 0;
+}
+
+
+/* fparseln():
+ * Read a line from a file parsing continuations ending in \
+ * and eliminating trailing newlines, or comments starting with
+ * the comment char.
+ */
+char *
+fparseln(FILE *fp, size_t *size, size_t *lineno, const char str[3],
+ int flags)
+{
+ static const char dstr[3] = { '\\', '\\', '#' };
+ char *buf = NULL, *ptr, *cp, esc, con, nl, com;
+ size_t s, len = 0;
+ int cnt = 1;
+
+ if (str == NULL)
+ str = dstr;
+
+ esc = str[0];
+ con = str[1];
+ com = str[2];
+
+ /*
+ * XXX: it would be cool to be able to specify the newline character,
+ * but unfortunately, fgetln does not let us
+ */
+ nl = '\n';
+
+ while (cnt) {
+ cnt = 0;
+
+ if (lineno)
+ (*lineno)++;
+
+ if ((ptr = fgetln(fp, &s)) == NULL)
+ break;
+
+ if (s && com) { /* Check and eliminate comments */
+ for (cp = ptr; cp < ptr + s; cp++)
+ if (*cp == com && !isescaped(ptr, cp, esc)) {
+ s = cp - ptr;
+ cnt = s == 0 && buf == NULL;
+ break;
+ }
+ }
+
+ if (s && nl) { /* Check and eliminate newlines */
+ cp = &ptr[s - 1];
+
+ if (*cp == nl)
+ s--; /* forget newline */
+ }
+
+ if (s && con) { /* Check and eliminate continuations */
+ cp = &ptr[s - 1];
+
+ if (*cp == con && !isescaped(ptr, cp, esc)) {
+ s--; /* forget escape */
+ cnt = 1;
+ }
+ }
+
+ if (s == 0 && buf != NULL)
+ continue;
+
+ if ((cp = realloc(buf, len + s + 1)) == NULL) {
+ free(buf);
+ return NULL;
+ }
+ buf = cp;
+
+ (void) memcpy(buf + len, ptr, s);
+ len += s;
+ buf[len] = '\0';
+ }
+
+ if ((flags & FPARSELN_UNESCALL) != 0 && esc && buf != NULL &&
+ strchr(buf, esc) != NULL) {
+ ptr = cp = buf;
+ while (cp[0] != '\0') {
+ int skipesc;
+
+ while (cp[0] != '\0' && cp[0] != esc)
+ *ptr++ = *cp++;
+ if (cp[0] == '\0' || cp[1] == '\0')
+ break;
+
+ skipesc = 0;
+ if (cp[1] == com)
+ skipesc += (flags & FPARSELN_UNESCCOMM);
+ if (cp[1] == con)
+ skipesc += (flags & FPARSELN_UNESCCONT);
+ if (cp[1] == esc)
+ skipesc += (flags & FPARSELN_UNESCESC);
+ if (cp[1] != com && cp[1] != con && cp[1] != esc)
+ skipesc = (flags & FPARSELN_UNESCREST);
+
+ if (skipesc)
+ cp++;
+ else
+ *ptr++ = *cp++;
+ *ptr++ = *cp++;
+ }
+ *ptr = '\0';
+ len = strlen(buf);
+ }
+
+ if (size)
+ *size = len;
+ return buf;
+}
+
+/* --------------------------------------------------------------------------- */
+/* $OpenBSD: strtonum.c,v 1.6 2004/08/03 19:38:01 millert Exp $ */
+
+/*
+ * Copyright (c) 2004 Ted Unangst and Todd Miller
+ * All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define INVALID 1
+#define TOOSMALL 2
+#define TOOLARGE 3
+
+long long
+strtonum(const char *numstr, long long minval, long long maxval,
+ const char **errstrp)
+{
+ long long ll = 0;
+ char *ep;
+ int error = 0;
+ struct errval {
+ const char *errstr;
+ int err;
+ } ev[4] = {
+ { NULL, 0 },
+ { "invalid", EINVAL },
+ { "too small", ERANGE },
+ { "too large", ERANGE },
+ };
+
+ ev[0].err = errno;
+ errno = 0;
+ if (minval > maxval)
+ error = INVALID;
+ else {
+ ll = strtoll(numstr, &ep, 10);
+ if (numstr == ep || *ep != '\0')
+ error = INVALID;
+ else if ((ll == LLONG_MIN && errno == ERANGE) || ll < minval)
+ error = TOOSMALL;
+ else if ((ll == LLONG_MAX && errno == ERANGE) || ll > maxval)
+ error = TOOLARGE;
+ }
+ if (errstrp != NULL)
+ *errstrp = ev[error].errstr;
+ errno = ev[error].err;
+ if (error)
+ ll = 0;
+
+ return (ll);
+}