This repository was archived by the owner on Aug 31, 2021. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 227
Expand file tree
/
Copy pathunxsupport.cpp
More file actions
174 lines (149 loc) · 3.73 KB
/
unxsupport.cpp
File metadata and controls
174 lines (149 loc) · 3.73 KB
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
164
165
166
167
168
169
170
171
172
173
174
/* Copyright (C) 2003-2015 LiveCode Ltd.
This file is part of LiveCode.
LiveCode is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License v3 as published by the Free
Software Foundation.
LiveCode 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 LiveCode. If not see <http://www.gnu.org/licenses/>. */
#include <cstring>
#include <cctype>
#include <cstdlib>
#include <unistd.h>
#if !defined(TARGET_SUBPLATFORM_ANDROID) && !defined(TARGET_SUBPLATFORM_IPHONE)
#include <pwd.h>
#endif
#include <sys/stat.h>
#include <new>
#include <revolution/support.h>
using std::nothrow;
#define PATH_MAX 4096
#define stricmp strcasecmp
typedef int int4;
char *string_from_utf16(const unsigned short *p_string, int p_length)
{
char *t_result;
t_result = (char *)malloc(p_length);
for(int i = 0; i < p_length; ++i)
t_result[i] = p_string[i];
return t_result;
}
// Turn an ISO8859-1 encoded string as UTF-8.
char *string_to_utf8(const char *p_string)
{
char *t_utf8_string;
t_utf8_string = (char *)malloc(strlen(p_string) * 2 + 1);
int i, j;
for(i = 0, j = 0; p_string[i] != '\0'; ++i)
{
unsigned int v;
v = ((unsigned char *)p_string)[i];
if (v < 128)
t_utf8_string[j++] = v;
else
{
// SN-2015-03-11: [[ Bug 14413 ]] Do the expected shift
t_utf8_string[j++] = (0xC0 | (v >> 6));
t_utf8_string[j++] = (0x80 | (v & 63));
}
}
t_utf8_string[j] = '\0';
return t_utf8_string;
}
// LINUX implimentation of externals.
char *os_path_to_native(const char *p_path)
{
return (strdup(p_path));
}
char *os_path_to_native_utf8(const char *p_path)
{
return string_to_utf8(p_path);
}
char *os_path_from_native(const char *p_native_path)
{
return (strdup(p_native_path));
}
char *strclone(const char *one)
{
char *two = NULL;
if (one != NULL)
{
two = new (nothrow) char[strlen(one) + 1];
strcpy(two, one);
}
return two;
}
char *get_current_directory()
{
char *dptr = new (nothrow) char[PATH_MAX + 2];
getcwd(dptr, PATH_MAX);
return dptr;
}
char *os_path_resolve(const char *p_native_path)
{
if (p_native_path == NULL)
return get_current_directory();
char *tildepath;
#if !defined(TARGET_SUBPLATFORM_ANDROID) && !defined(TARGET_SUBPLATFORM_IPHONE)
if (p_native_path[0] == '~')
{
char *tpath = strclone(p_native_path);
char *tptr = strchr(tpath, '/');
if (tptr == NULL)
{
tpath[0] = '\0';
tptr = tpath;
}
else
*tptr++ = '\0';
struct passwd *pw;
if (*(tpath + 1) == '\0')
pw = getpwuid(getuid());
else
pw = getpwnam(tpath + 1);
if (pw == NULL)
return NULL;
tildepath = new (nothrow) char[strlen(pw->pw_dir) + strlen(tptr) + 2];
strcpy(tildepath, pw->pw_dir);
if (*tptr)
{
strcat(tildepath, "/");
strcat(tildepath, tptr);
}
delete tpath;
}
else
#endif
tildepath = strclone(p_native_path);
struct stat buf;
if (lstat(tildepath, &buf) != 0 || !S_ISLNK(buf.st_mode))
return tildepath;
int4 size;
char *newname = new (nothrow) char[PATH_MAX + 2];
if ((size = readlink(tildepath, newname, PATH_MAX)) < 0)
{
delete tildepath;
delete newname;
return NULL;
}
delete tildepath;
newname[size] = '\0';
if (newname[0] != '/')
{
char *fullpath = new (nothrow) char[strlen(p_native_path) + strlen(newname) + 2];
strcpy(fullpath, p_native_path);
char *sptr = strrchr(fullpath, '/');
if (sptr == NULL)
sptr = fullpath;
else
sptr++;
strcpy(sptr, newname);
delete newname;
newname = os_path_resolve(fullpath);
delete fullpath;
}
return newname;
}