1 /* Inline functions for rsync.
2 *
3 * Copyright (C) 2007-2020 Wayne Davison
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, visit the http://fsf.org website.
17 */
18
19 static inline void
alloc_xbuf(xbuf * xb,size_t sz)20 alloc_xbuf(xbuf *xb, size_t sz)
21 {
22 xb->buf = new_array(char, sz);
23 xb->size = sz;
24 xb->len = xb->pos = 0;
25 }
26
27 static inline void
realloc_xbuf(xbuf * xb,size_t sz)28 realloc_xbuf(xbuf *xb, size_t sz)
29 {
30 char *bf = realloc_array(xb->buf, char, sz);
31 xb->buf = bf;
32 xb->size = sz;
33 }
34
35 static inline void
free_xbuf(xbuf * xb)36 free_xbuf(xbuf *xb)
37 {
38 if (xb->buf)
39 free(xb->buf);
40 memset(xb, 0, sizeof (xbuf));
41 }
42
43 static inline int
to_wire_mode(mode_t mode)44 to_wire_mode(mode_t mode)
45 {
46 #ifdef SUPPORT_LINKS
47 #if _S_IFLNK != 0120000
48 if (S_ISLNK(mode))
49 return (mode & ~(_S_IFMT)) | 0120000;
50 #endif
51 #endif
52 return mode;
53 }
54
55 static inline mode_t
from_wire_mode(int mode)56 from_wire_mode(int mode)
57 {
58 #if _S_IFLNK != 0120000
59 if ((mode & (_S_IFMT)) == 0120000)
60 return (mode & ~(_S_IFMT)) | _S_IFLNK;
61 #endif
62 return mode;
63 }
64
65 static inline char *
d_name(struct dirent * di)66 d_name(struct dirent *di)
67 {
68 #ifdef HAVE_BROKEN_READDIR
69 return (di->d_name - 2);
70 #else
71 return di->d_name;
72 #endif
73 }
74
75 static inline void
init_stat_x(stat_x * sx_p)76 init_stat_x(stat_x *sx_p)
77 {
78 #ifdef SUPPORT_ACLS
79 sx_p->acc_acl = sx_p->def_acl = NULL;
80 #endif
81 #ifdef SUPPORT_XATTRS
82 sx_p->xattr = NULL;
83 #endif
84 }
85
86 static inline void
free_stat_x(stat_x * sx_p)87 free_stat_x(stat_x *sx_p)
88 {
89 #ifdef SUPPORT_ACLS
90 {
91 extern int preserve_acls;
92 if (preserve_acls)
93 free_acl(sx_p);
94 }
95 #endif
96 #ifdef SUPPORT_XATTRS
97 {
98 extern int preserve_xattrs;
99 if (preserve_xattrs)
100 free_xattr(sx_p);
101 }
102 #endif
103 }
104
my_strdup(const char * str,const char * file,int line)105 static inline char *my_strdup(const char *str, const char *file, int line)
106 {
107 int len = strlen(str)+1;
108 char *buf = my_alloc(NULL, len, 1, file, line);
109 memcpy(buf, str, len);
110 return buf;
111 }
112