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ec0e5ac0 AT |
1 | /* |
2 | Copyright (C) Andrew Tridgell 1998 | |
3 | ||
4 | This program is free software; you can redistribute it and/or modify | |
5 | it under the terms of the GNU General Public License as published by | |
6 | the Free Software Foundation; either version 2 of the License, or | |
7 | (at your option) any later version. | |
8 | ||
9 | This program is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | GNU General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU General Public License | |
15 | along with this program; if not, write to the Free Software | |
16 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
17 | */ | |
18 | ||
19 | /* | |
20 | compatibility functions - replacing functions for platforms that don't | |
21 | have them. | |
22 | ||
23 | */ | |
24 | #include "rsync.h" | |
25 | ||
26 | ||
27 | #ifndef HAVE_STRDUP | |
28 | char *strdup(char *s) | |
29 | { | |
30 | int l = strlen(s) + 1; | |
31 | char *ret = (char *)malloc(l); | |
32 | if (ret) | |
33 | strcpy(ret,s); | |
34 | return ret; | |
35 | } | |
36 | #endif | |
37 | ||
38 | #ifndef HAVE_GETCWD | |
5a788ade | 39 | char *getcwd(char *buf, int size) |
ec0e5ac0 AT |
40 | { |
41 | return getwd(buf); | |
42 | } | |
43 | #endif | |
44 | ||
45 | ||
46 | #ifndef HAVE_WAITPID | |
5a788ade | 47 | pid_t waitpid(pid_t pid, int *statptr, int options) |
ec0e5ac0 AT |
48 | { |
49 | return wait4(pid, statptr, options, NULL); | |
50 | } | |
51 | #endif | |
52 | ||
9fc310da AT |
53 | |
54 | #ifndef HAVE_MEMMOVE | |
5a788ade | 55 | void *memmove(void *dest, const void *src, size_t n) |
9fc310da | 56 | { |
f5780433 | 57 | memcpy(dest, src, n); |
9fc310da AT |
58 | return dest; |
59 | } | |
60 | #endif | |
2b6b4d53 AT |
61 | |
62 | #ifndef HAVE_STRPBRK | |
63 | /* Find the first ocurrence in S of any character in ACCEPT. | |
64 | derived from glibc | |
65 | */ | |
5a788ade | 66 | char *strpbrk(const char *s, const char *accept) |
2b6b4d53 AT |
67 | { |
68 | while (*s != '\0') { | |
69 | const char *a = accept; | |
70 | while (*a != '\0') { | |
71 | if (*a++ == *s) return (char *)s; | |
72 | } | |
73 | ++s; | |
74 | } | |
75 | ||
76 | return NULL; | |
77 | } | |
78 | #endif | |
7b3d4257 AT |
79 | |
80 | #ifdef REPLACE_INET_NTOA | |
5a788ade | 81 | char *rep_inet_ntoa(struct in_addr ip) |
7b3d4257 AT |
82 | { |
83 | unsigned char *p = (unsigned char *)&ip.s_addr; | |
84 | static char buf[18]; | |
85 | #if WORDS_BIGENDIAN | |
37f9805d | 86 | slprintf(buf, 18, "%d.%d.%d.%d", |
7b3d4257 AT |
87 | (int)p[0], (int)p[1], (int)p[2], (int)p[3]); |
88 | #else | |
37f9805d | 89 | slprintf(buf, 18, "%d.%d.%d.%d", |
7b3d4257 AT |
90 | (int)p[3], (int)p[2], (int)p[1], (int)p[0]); |
91 | #endif | |
92 | return buf; | |
93 | } | |
94 | #endif | |
5a788ade AT |
95 | |
96 | #ifndef HAVE_STRLCPY | |
97 | /* like strncpy but does not 0 fill the buffer and always null | |
98 | terminates. bufsize is the size of the destination buffer */ | |
99 | size_t strlcpy(char *d, const char *s, size_t bufsize) | |
100 | { | |
101 | size_t len = strlen(s); | |
102 | size_t ret = len; | |
103 | if (len >= bufsize) len = bufsize-1; | |
104 | memcpy(d, s, len); | |
105 | d[len] = 0; | |
106 | return ret; | |
107 | } | |
108 | #endif | |
109 | ||
110 | #ifndef HAVE_STRLCAT | |
111 | /* like strncat but does not 0 fill the buffer and always null | |
112 | terminates. bufsize is the length of the buffer, which should | |
113 | be one more than the maximum resulting string length */ | |
114 | size_t strlcat(char *d, const char *s, size_t bufsize) | |
115 | { | |
116 | size_t len1 = strlen(d); | |
117 | size_t len2 = strlen(s); | |
118 | size_t ret = len1 + len2; | |
119 | ||
120 | if (len1+len2 >= bufsize) { | |
121 | len2 = bufsize - (len1+1); | |
122 | } | |
123 | if (len2 > 0) { | |
124 | memcpy(d+len1, s, len2); | |
125 | d[len1+len2] = 0; | |
126 | } | |
127 | return ret; | |
128 | } | |
129 | #endif |