1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
/*
Copyright (C) Andrew Tridgell 1998
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
compatibility functions - replacing functions for platforms that don't
have them.
*/
#include "rsync.h"
#ifndef HAVE_STRDUP
char *strdup(char *s)
{
int l = strlen(s) + 1;
char *ret = (char *)malloc(l);
if (ret)
strcpy(ret,s);
return ret;
}
#endif
#ifndef HAVE_GETCWD
char *getcwd(char *buf, int size)
{
return getwd(buf);
}
#endif
#ifndef HAVE_WAITPID
pid_t waitpid(pid_t pid, int *statptr, int options)
{
#ifdef HAVE_WAIT4
return wait4(pid, statptr, options, NULL);
#else
/* If wait4 is also not available, try wait3 for SVR3 variants */
/* Less ideal because can't actually request a specific pid */
/* At least the WNOHANG option is supported */
/* Code borrowed from apache fragment written by dwd@bell-labs.com */
int tmp_pid, dummystat;;
if (kill(pid, 0) == -1) {
errno = ECHILD;
return -1;
}
if (statptr == NULL)
statptr = &dummystat;
while (((tmp_pid = wait3(statptr, options, 0)) != pid) &&
(tmp_pid != -1) && (tmp_pid != 0) && (pid != -1))
;
return tmp_pid;
#endif
}
#endif
#ifndef HAVE_MEMMOVE
void *memmove(void *dest, const void *src, size_t n)
{
bcopy((char *) src, (char *) dest, n);
return dest;
}
#endif
#ifndef HAVE_STRPBRK
/* Find the first ocurrence in S of any character in ACCEPT.
derived from glibc
*/
char *strpbrk(const char *s, const char *accept)
{
while (*s != '\0') {
const char *a = accept;
while (*a != '\0') {
if (*a++ == *s) return (char *)s;
}
++s;
}
return NULL;
}
#endif
#ifdef REPLACE_INET_NTOA
char *rep_inet_ntoa(struct in_addr ip)
{
unsigned char *p = (unsigned char *)&ip.s_addr;
static char buf[18];
#if WORDS_BIGENDIAN
slprintf(buf, 18, "%d.%d.%d.%d",
(int)p[0], (int)p[1], (int)p[2], (int)p[3]);
#else
slprintf(buf, 18, "%d.%d.%d.%d",
(int)p[3], (int)p[2], (int)p[1], (int)p[0]);
#endif
return buf;
}
#endif
#ifndef HAVE_STRLCPY
/* like strncpy but does not 0 fill the buffer and always null
terminates. bufsize is the size of the destination buffer */
size_t strlcpy(char *d, const char *s, size_t bufsize)
{
size_t len = strlen(s);
size_t ret = len;
if (len >= bufsize) len = bufsize-1;
memcpy(d, s, len);
d[len] = 0;
return ret;
}
#endif
#ifndef HAVE_STRLCAT
/* like strncat but does not 0 fill the buffer and always null
terminates. bufsize is the length of the buffer, which should
be one more than the maximum resulting string length */
size_t strlcat(char *d, const char *s, size_t bufsize)
{
size_t len1 = strlen(d);
size_t len2 = strlen(s);
size_t ret = len1 + len2;
if (len1+len2 >= bufsize) {
len2 = bufsize - (len1+1);
}
if (len2 > 0) {
memcpy(d+len1, s, len2);
d[len1+len2] = 0;
}
return ret;
}
#endif
#ifndef HAVE_INET_ATON
int inet_aton(const char *cp, struct in_addr *inp)
{
if (strcmp(cp, "255.255.255.255") == 0) {
inp->s_addr = (unsigned) -1;
return 1;
}
inp->s_addr = inet_addr(cp);
if (inp->s_addr == (unsigned) -1) {
return 0;
}
return 1;
}
#endif
|
