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0eaf0584 | 1 | #ifndef HAVE_STRLCPY |
046aeabb SS |
2 | |
3 | /* | |
4 | * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> | |
5 | * | |
6 | * Permission to use, copy, modify, and distribute this software for any | |
7 | * purpose with or without fee is hereby granted, provided that the above | |
8 | * copyright notice and this permission notice appear in all copies. | |
9 | * | |
10 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
11 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
12 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
13 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
14 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
15 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
16 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
17 | * | |
18 | * $OpenBSD: strlcpy.c,v 1.11 2006/05/05 15:27:38 millert Exp $ | |
19 | * $FreeBSD: src/lib/libc/string/strlcpy.c,v 1.10 2008/10/19 10:11:35 delphij Exp $ | |
20 | * $DragonFly: src/lib/libc/string/strlcpy.c,v 1.4 2005/09/18 16:32:34 asmodai Exp $ | |
21 | */ | |
22 | ||
9b921550 SS |
23 | #include "dfcompat.h" |
24 | ||
046aeabb SS |
25 | #include <sys/types.h> |
26 | #include <string.h> | |
27 | ||
28 | /* | |
29 | * Copy src to string dst of size siz. At most siz-1 characters | |
30 | * will be copied. Always NUL terminates (unless siz == 0). | |
31 | * Returns strlen(src); if retval >= siz, truncation occurred. | |
32 | */ | |
33 | size_t | |
34 | strlcpy(char *dst, const char *src, size_t siz) | |
35 | { | |
36 | char *d = dst; | |
37 | const char *s = src; | |
38 | size_t n = siz; | |
39 | ||
40 | /* Copy as many bytes as will fit */ | |
41 | if (n != 0) { | |
42 | while (--n != 0) { | |
43 | if ((*d++ = *s++) == '\0') | |
44 | break; | |
45 | } | |
46 | } | |
47 | ||
48 | /* Not enough room in dst, add NUL and traverse rest of src */ | |
49 | if (n == 0) { | |
50 | if (siz != 0) | |
51 | *d = '\0'; /* NUL-terminate dst */ | |
52 | while (*s++) | |
53 | ; | |
54 | } | |
55 | ||
56 | return(s - src - 1); /* count does not include NUL */ | |
57 | } | |
58 | ||
0eaf0584 | 59 | #endif /* !HAVE_STRLCPY */ |
046aeabb | 60 | |
0eaf0584 | 61 | #ifndef HAVE_REALLOCF |
046aeabb SS |
62 | |
63 | /*- | |
64 | * Copyright (c) 1998, M. Warner Losh <imp@freebsd.org> | |
65 | * All rights reserved. | |
66 | * | |
67 | * Redistribution and use in source and binary forms, with or without | |
68 | * modification, are permitted provided that the following conditions | |
69 | * are met: | |
70 | * 1. Redistributions of source code must retain the above copyright | |
71 | * notice, this list of conditions and the following disclaimer. | |
72 | * 2. Redistributions in binary form must reproduce the above copyright | |
73 | * notice, this list of conditions and the following disclaimer in the | |
74 | * documentation and/or other materials provided with the distribution. | |
75 | * | |
76 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |
77 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
78 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
79 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
80 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
81 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
82 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
83 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
84 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
85 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
86 | * SUCH DAMAGE. | |
87 | * | |
88 | * $FreeBSD: src/lib/libc/stdlib/reallocf.c,v 1.3 1999/08/28 00:01:37 peter Exp $ | |
89 | * $DragonFly: src/lib/libc/stdlib/reallocf.c,v 1.2 2003/06/17 04:26:46 dillon Exp $ | |
90 | */ | |
91 | #include <stdlib.h> | |
92 | ||
93 | void * | |
94 | reallocf(void *ptr, size_t size) | |
95 | { | |
96 | void *nptr; | |
97 | ||
98 | nptr = realloc(ptr, size); | |
99 | if (!nptr && ptr) | |
100 | free(ptr); | |
101 | return (nptr); | |
102 | } | |
103 | ||
0eaf0584 | 104 | #endif /* !HAVE_REALLOCF */ |
046aeabb | 105 | |
0eaf0584 | 106 | #ifndef HAVE_GETPROGNAME |
046aeabb SS |
107 | |
108 | #ifdef __GLIBC__ | |
109 | ||
046aeabb SS |
110 | #include <errno.h> |
111 | ||
112 | const char * | |
113 | getprogname(void) | |
114 | { | |
115 | return (program_invocation_short_name); | |
116 | } | |
117 | ||
118 | #else /* __GLIBC__ */ | |
119 | #error "no getprogname implementation available" | |
120 | #endif | |
121 | ||
0eaf0584 | 122 | #endif /* !HAVE_GETPROGNAME */ |