]>
code.delx.au - spectrwm/blob - linux/linux.c
16 * All the workarounds for glibc stupidity are piled into this file...
19 /* --------------------------------------------------------------------------- */
20 /* $OpenBSD: strlcpy.c,v 1.10 2005/08/08 08:05:37 espie Exp $ */
23 * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
25 * Permission to use, copy, modify, and distribute this software for any
26 * purpose with or without fee is hereby granted, provided that the above
27 * copyright notice and this permission notice appear in all copies.
29 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
30 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
31 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
32 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
33 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
34 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
35 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
39 * Copy src to string dst of size siz. At most siz-1 characters
40 * will be copied. Always NUL terminates (unless siz == 0).
41 * Returns strlen(src); if retval >= siz, truncation occurred.
44 strlcpy(char *dst
, const char *src
, size_t siz
)
50 /* Copy as many bytes as will fit */
51 if (n
!= 0 && --n
!= 0) {
53 if ((*d
++ = *s
++) == 0)
58 /* Not enough room in dst, add NUL and traverse rest of src */
61 *d
= '\0'; /* NUL-terminate dst */
66 return(s
- src
- 1); /* count does not include NUL */
69 /* --------------------------------------------------------------------------- */
70 /* $OpenBSD: strlcat.c,v 1.13 2005/08/08 08:05:37 espie Exp $ */
73 * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
75 * Permission to use, copy, modify, and distribute this software for any
76 * purpose with or without fee is hereby granted, provided that the above
77 * copyright notice and this permission notice appear in all copies.
79 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
80 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
81 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
82 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
83 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
84 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
85 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
89 * Appends src to string dst of size siz (unlike strncat, siz is the
90 * full size of dst, not space left). At most siz-1 characters
91 * will be copied. Always NUL terminates (unless siz <= strlen(dst)).
92 * Returns strlen(src) + MIN(siz, strlen(initial dst)).
93 * If retval >= siz, truncation occurred.
96 strlcat(char *dst
, const char *src
, size_t siz
)
103 /* Find the end of dst and adjust bytes left but don't go past end */
104 while (n
-- != 0 && *d
!= '\0')
110 return(dlen
+ strlen(s
));
120 return(dlen
+ (s
- src
)); /* count does not include NUL */
123 /* --------------------------------------------------------------------------- */
124 /* $NetBSD: fgetln.c,v 1.3 2007/08/07 02:06:58 lukem Exp $ */
127 * Copyright (c) 1998 The NetBSD Foundation, Inc.
128 * All rights reserved.
130 * This code is derived from software contributed to The NetBSD Foundation
131 * by Christos Zoulas.
133 * Redistribution and use in source and binary forms, with or without
134 * modification, are permitted provided that the following conditions
136 * 1. Redistributions of source code must retain the above copyright
137 * notice, this list of conditions and the following disclaimer.
138 * 2. Redistributions in binary form must reproduce the above copyright
139 * notice, this list of conditions and the following disclaimer in the
140 * documentation and/or other materials provided with the distribution.
141 * 3. Neither the name of The NetBSD Foundation nor the names of its
142 * contributors may be used to endorse or promote products derived
143 * from this software without specific prior written permission.
145 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
146 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
147 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
148 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
149 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
150 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
151 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
152 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
153 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
154 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
155 * POSSIBILITY OF SUCH DAMAGE.
163 static char *buf
= NULL
;
164 static size_t bufsiz
= 0;
170 if ((buf
= malloc(bufsiz
)) == NULL
)
174 if (fgets(buf
, bufsiz
, fp
) == NULL
)
178 while ((ptr
= strchr(&buf
[*len
], '\n')) == NULL
) {
179 size_t nbufsiz
= bufsiz
+ BUFSIZ
;
180 char *nbuf
= realloc(buf
, nbufsiz
);
192 if (fgets(&buf
[bufsiz
], BUFSIZ
, fp
) == NULL
)
198 *len
= (ptr
- buf
) + 1;
202 /* --------------------------------------------------------------------------- */
203 /* $OpenBSD: fparseln.c,v 1.6 2005/08/02 21:46:23 espie Exp $ */
204 /* $NetBSD: fparseln.c,v 1.7 1999/07/02 15:49:12 simonb Exp $ */
207 * Copyright (c) 1997 Christos Zoulas. All rights reserved.
209 * Redistribution and use in source and binary forms, with or without
210 * modification, are permitted provided that the following conditions
212 * 1. Redistributions of source code must retain the above copyright
213 * notice, this list of conditions and the following disclaimer.
214 * 2. Redistributions in binary form must reproduce the above copyright
215 * notice, this list of conditions and the following disclaimer in the
216 * documentation and/or other materials provided with the distribution.
217 * 3. All advertising materials mentioning features or use of this software
218 * must display the following acknowledgement:
219 * This product includes software developed by Christos Zoulas.
220 * 4. The name of the author may not be used to endorse or promote products
221 * derived from this software without specific prior written permission.
223 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
224 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
225 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
226 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
227 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
228 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
229 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
230 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
231 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
232 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
235 #define FPARSELN_UNESCESC 0x01
236 #define FPARSELN_UNESCCONT 0x02
237 #define FPARSELN_UNESCCOMM 0x04
238 #define FPARSELN_UNESCREST 0x08
239 #define FPARSELN_UNESCALL 0x0f
241 static int isescaped(const char *, const char *, int);
244 * Return true if the character in *p that belongs to a string
245 * that starts in *sp, is escaped by the escape character esc.
248 isescaped(const char *sp
, const char *p
, int esc
)
253 /* No escape character */
257 /* Count the number of escape characters that precede ours */
258 for (ne
= 0, cp
= p
; --cp
>= sp
&& *cp
== esc
; ne
++)
261 /* Return true if odd number of escape characters */
262 return (ne
& 1) != 0;
267 * Read a line from a file parsing continuations ending in \
268 * and eliminating trailing newlines, or comments starting with
272 fparseln(FILE *fp
, size_t *size
, size_t *lineno
, const char str
[3],
275 static const char dstr
[3] = { '\\', '\\', '#' };
276 char *buf
= NULL
, *ptr
, *cp
, esc
, con
, nl
, com
;
288 * XXX: it would be cool to be able to specify the newline character,
289 * but unfortunately, fgetln does not let us
299 if ((ptr
= fgetln(fp
, &s
)) == NULL
)
302 if (s
&& com
) { /* Check and eliminate comments */
303 for (cp
= ptr
; cp
< ptr
+ s
; cp
++)
304 if (*cp
== com
&& !isescaped(ptr
, cp
, esc
)) {
306 cnt
= s
== 0 && buf
== NULL
;
311 if (s
&& nl
) { /* Check and eliminate newlines */
315 s
--; /* forget newline */
318 if (s
&& con
) { /* Check and eliminate continuations */
321 if (*cp
== con
&& !isescaped(ptr
, cp
, esc
)) {
322 s
--; /* forget escape */
327 if (s
== 0 && buf
!= NULL
)
330 if ((cp
= realloc(buf
, len
+ s
+ 1)) == NULL
) {
336 (void) memcpy(buf
+ len
, ptr
, s
);
341 if ((flags
& FPARSELN_UNESCALL
) != 0 && esc
&& buf
!= NULL
&&
342 strchr(buf
, esc
) != NULL
) {
344 while (cp
[0] != '\0') {
347 while (cp
[0] != '\0' && cp
[0] != esc
)
349 if (cp
[0] == '\0' || cp
[1] == '\0')
354 skipesc
+= (flags
& FPARSELN_UNESCCOMM
);
356 skipesc
+= (flags
& FPARSELN_UNESCCONT
);
358 skipesc
+= (flags
& FPARSELN_UNESCESC
);
359 if (cp
[1] != com
&& cp
[1] != con
&& cp
[1] != esc
)
360 skipesc
= (flags
& FPARSELN_UNESCREST
);
377 /* --------------------------------------------------------------------------- */
378 /* $OpenBSD: strtonum.c,v 1.6 2004/08/03 19:38:01 millert Exp $ */
381 * Copyright (c) 2004 Ted Unangst and Todd Miller
382 * All rights reserved.
384 * Permission to use, copy, modify, and distribute this software for any
385 * purpose with or without fee is hereby granted, provided that the above
386 * copyright notice and this permission notice appear in all copies.
388 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
389 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
390 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
391 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
392 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
393 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
394 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
402 strtonum(const char *numstr
, long long minval
, long long maxval
,
403 const char **errstrp
)
413 { "invalid", EINVAL
},
414 { "too small", ERANGE
},
415 { "too large", ERANGE
},
423 ll
= strtoll(numstr
, &ep
, 10);
424 if (numstr
== ep
|| *ep
!= '\0')
426 else if ((ll
== LLONG_MIN
&& errno
== ERANGE
) || ll
< minval
)
428 else if ((ll
== LLONG_MAX
&& errno
== ERANGE
) || ll
> maxval
)
432 *errstrp
= ev
[error
].errstr
;
433 errno
= ev
[error
].err
;