14 * All the workarounds for glibc stupidity are piled into this file...
17 /* --------------------------------------------------------------------------- */
18 /* $OpenBSD: strlcpy.c,v 1.10 2005/08/08 08:05:37 espie Exp $ */
21 * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
23 * Permission to use, copy, modify, and distribute this software for any
24 * purpose with or without fee is hereby granted, provided that the above
25 * copyright notice and this permission notice appear in all copies.
27 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
28 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
29 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
30 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
31 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
32 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
33 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
37 * Copy src to string dst of size siz. At most siz-1 characters
38 * will be copied. Always NUL terminates (unless siz == 0).
39 * Returns strlen(src); if retval >= siz, truncation occurred.
42 strlcpy(char *dst, const char *src, size_t siz)
48 /* Copy as many bytes as will fit */
49 if (n != 0 && --n != 0) {
51 if ((*d++ = *s++) == 0)
56 /* Not enough room in dst, add NUL and traverse rest of src */
59 *d = '\0'; /* NUL-terminate dst */
64 return(s - src - 1); /* count does not include NUL */
67 /* --------------------------------------------------------------------------- */
68 /* $OpenBSD: strlcat.c,v 1.13 2005/08/08 08:05:37 espie Exp $ */
71 * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
73 * Permission to use, copy, modify, and distribute this software for any
74 * purpose with or without fee is hereby granted, provided that the above
75 * copyright notice and this permission notice appear in all copies.
77 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
78 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
79 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
80 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
81 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
82 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
83 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
87 * Appends src to string dst of size siz (unlike strncat, siz is the
88 * full size of dst, not space left). At most siz-1 characters
89 * will be copied. Always NUL terminates (unless siz <= strlen(dst)).
90 * Returns strlen(src) + MIN(siz, strlen(initial dst)).
91 * If retval >= siz, truncation occurred.
94 strlcat(char *dst, const char *src, size_t siz)
101 /* Find the end of dst and adjust bytes left but don't go past end */
102 while (n-- != 0 && *d != '\0')
108 return(dlen + strlen(s));
118 return(dlen + (s - src)); /* count does not include NUL */
121 /* --------------------------------------------------------------------------- */
122 /* $NetBSD: fgetln.c,v 1.3 2007/08/07 02:06:58 lukem Exp $ */
125 * Copyright (c) 1998 The NetBSD Foundation, Inc.
126 * All rights reserved.
128 * This code is derived from software contributed to The NetBSD Foundation
129 * by Christos Zoulas.
131 * Redistribution and use in source and binary forms, with or without
132 * modification, are permitted provided that the following conditions
134 * 1. Redistributions of source code must retain the above copyright
135 * notice, this list of conditions and the following disclaimer.
136 * 2. Redistributions in binary form must reproduce the above copyright
137 * notice, this list of conditions and the following disclaimer in the
138 * documentation and/or other materials provided with the distribution.
139 * 3. Neither the name of The NetBSD Foundation nor the names of its
140 * contributors may be used to endorse or promote products derived
141 * from this software without specific prior written permission.
143 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
144 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
145 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
146 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
147 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
148 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
149 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
150 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
151 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
152 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
153 * POSSIBILITY OF SUCH DAMAGE.
161 static char *buf = NULL;
162 static size_t bufsiz = 0;
168 if ((buf = malloc(bufsiz)) == NULL)
172 if (fgets(buf, bufsiz, fp) == NULL)
176 while ((ptr = strchr(&buf[*len], '\n')) == NULL) {
177 size_t nbufsiz = bufsiz + BUFSIZ;
178 char *nbuf = realloc(buf, nbufsiz);
190 if (fgets(&buf[bufsiz], BUFSIZ, fp) == NULL)
196 *len = (ptr - buf) + 1;
200 /* --------------------------------------------------------------------------- */
201 /* $OpenBSD: fparseln.c,v 1.6 2005/08/02 21:46:23 espie Exp $ */
202 /* $NetBSD: fparseln.c,v 1.7 1999/07/02 15:49:12 simonb Exp $ */
205 * Copyright (c) 1997 Christos Zoulas. All rights reserved.
207 * Redistribution and use in source and binary forms, with or without
208 * modification, are permitted provided that the following conditions
210 * 1. Redistributions of source code must retain the above copyright
211 * notice, this list of conditions and the following disclaimer.
212 * 2. Redistributions in binary form must reproduce the above copyright
213 * notice, this list of conditions and the following disclaimer in the
214 * documentation and/or other materials provided with the distribution.
215 * 3. All advertising materials mentioning features or use of this software
216 * must display the following acknowledgement:
217 * This product includes software developed by Christos Zoulas.
218 * 4. The name of the author may not be used to endorse or promote products
219 * derived from this software without specific prior written permission.
221 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
222 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
223 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
224 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
225 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
226 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
227 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
228 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
229 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
230 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
233 #define FPARSELN_UNESCESC 0x01
234 #define FPARSELN_UNESCCONT 0x02
235 #define FPARSELN_UNESCCOMM 0x04
236 #define FPARSELN_UNESCREST 0x08
237 #define FPARSELN_UNESCALL 0x0f
239 static int isescaped(const char *, const char *, int);
242 * Return true if the character in *p that belongs to a string
243 * that starts in *sp, is escaped by the escape character esc.
246 isescaped(const char *sp, const char *p, int esc)
251 /* No escape character */
255 /* Count the number of escape characters that precede ours */
256 for (ne = 0, cp = p; --cp >= sp && *cp == esc; ne++)
259 /* Return true if odd number of escape characters */
260 return (ne & 1) != 0;
265 * Read a line from a file parsing continuations ending in \
266 * and eliminating trailing newlines, or comments starting with
270 fparseln(FILE *fp, size_t *size, size_t *lineno, const char str[3],
273 static const char dstr[3] = { '\\', '\\', '#' };
274 char *buf = NULL, *ptr, *cp, esc, con, nl, com;
286 * XXX: it would be cool to be able to specify the newline character,
287 * but unfortunately, fgetln does not let us
297 if ((ptr = fgetln(fp, &s)) == NULL)
300 if (s && com) { /* Check and eliminate comments */
301 for (cp = ptr; cp < ptr + s; cp++)
302 if (*cp == com && !isescaped(ptr, cp, esc)) {
304 cnt = s == 0 && buf == NULL;
309 if (s && nl) { /* Check and eliminate newlines */
313 s--; /* forget newline */
316 if (s && con) { /* Check and eliminate continuations */
319 if (*cp == con && !isescaped(ptr, cp, esc)) {
320 s--; /* forget escape */
325 if (s == 0 && buf != NULL)
328 if ((cp = realloc(buf, len + s + 1)) == NULL) {
334 (void) memcpy(buf + len, ptr, s);
339 if ((flags & FPARSELN_UNESCALL) != 0 && esc && buf != NULL &&
340 strchr(buf, esc) != NULL) {
342 while (cp[0] != '\0') {
345 while (cp[0] != '\0' && cp[0] != esc)
347 if (cp[0] == '\0' || cp[1] == '\0')
352 skipesc += (flags & FPARSELN_UNESCCOMM);
354 skipesc += (flags & FPARSELN_UNESCCONT);
356 skipesc += (flags & FPARSELN_UNESCESC);
357 if (cp[1] != com && cp[1] != con && cp[1] != esc)
358 skipesc = (flags & FPARSELN_UNESCREST);
375 /* --------------------------------------------------------------------------- */
376 /* $OpenBSD: strtonum.c,v 1.6 2004/08/03 19:38:01 millert Exp $ */
379 * Copyright (c) 2004 Ted Unangst and Todd Miller
380 * All rights reserved.
382 * Permission to use, copy, modify, and distribute this software for any
383 * purpose with or without fee is hereby granted, provided that the above
384 * copyright notice and this permission notice appear in all copies.
386 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
387 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
388 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
389 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
390 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
391 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
392 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
400 strtonum(const char *numstr, long long minval, long long maxval,
401 const char **errstrp)
411 { "invalid", EINVAL },
412 { "too small", ERANGE },
413 { "too large", ERANGE },
421 ll = strtoll(numstr, &ep, 10);
422 if (numstr == ep || *ep != '\0')
424 else if ((ll == LLONG_MIN && errno == ERANGE) || ll < minval)
426 else if ((ll == LLONG_MAX && errno == ERANGE) || ll > maxval)
430 *errstrp = ev[error].errstr;
431 errno = ev[error].err;