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
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
/*
* Standard directory I/O support routines for PhysicsFS.
*
* Please see the file LICENSE.txt in the source's root directory.
*
* This file written by Ryan C. Gordon.
*/
#define __PHYSICSFS_INTERNAL__
#include "physfs_internal.h"
/* There's no PHYSFS_Io interface here. Use __PHYSFS_createNativeIo(). */
static char *cvtToDependent(const char *prepend, const char *path,
char *buf, const size_t buflen)
{
BAIL_IF(buf == NULL, PHYSFS_ERR_OUT_OF_MEMORY, NULL);
snprintf(buf, buflen, "%s%s", prepend ? prepend : "", path);
#if !__PHYSFS_STANDARD_DIRSEP
assert(__PHYSFS_platformDirSeparator != '/');
{
char *p;
for (p = strchr(buf, '/'); p != NULL; p = strchr(p + 1, '/'))
*p = __PHYSFS_platformDirSeparator;
} /* if */
#endif
return buf;
} /* cvtToDependent */
#define CVT_TO_DEPENDENT(buf, pre, dir) { \
const size_t len = ((pre) ? strlen((char *) pre) : 0) + strlen(dir) + 1; \
buf = cvtToDependent((char*)pre,dir,(char*)__PHYSFS_smallAlloc(len),len); \
}
static void *DIR_openArchive(PHYSFS_Io *io, const char *name,
int forWriting, int *claimed)
{
PHYSFS_Stat st;
const char dirsep = __PHYSFS_platformDirSeparator;
char *retval = NULL;
const size_t namelen = strlen(name);
const size_t seplen = 1;
assert(io == NULL); /* shouldn't create an Io for these. */
BAIL_IF_ERRPASS(!__PHYSFS_platformStat(name, &st, 1), NULL);
if (st.filetype != PHYSFS_FILETYPE_DIRECTORY)
BAIL(PHYSFS_ERR_UNSUPPORTED, NULL);
*claimed = 1;
retval = allocator.Malloc(namelen + seplen + 1);
BAIL_IF(retval == NULL, PHYSFS_ERR_OUT_OF_MEMORY, NULL);
strcpy(retval, name);
/* make sure there's a dir separator at the end of the string */
if (retval[namelen - 1] != dirsep)
{
retval[namelen] = dirsep;
retval[namelen + 1] = '\0';
} /* if */
return retval;
} /* DIR_openArchive */
static PHYSFS_EnumerateCallbackResult DIR_enumerate(void *opaque,
const char *dname, PHYSFS_EnumerateCallback cb,
const char *origdir, void *callbackdata)
{
char *d;
PHYSFS_EnumerateCallbackResult retval;
CVT_TO_DEPENDENT(d, opaque, dname);
BAIL_IF_ERRPASS(!d, PHYSFS_ENUM_ERROR);
retval = __PHYSFS_platformEnumerate(d, cb, origdir, callbackdata);
__PHYSFS_smallFree(d);
return retval;
} /* DIR_enumerate */
static PHYSFS_Io *doOpen(void *opaque, const char *name, const int mode)
{
PHYSFS_Io *io = NULL;
char *f = NULL;
CVT_TO_DEPENDENT(f, opaque, name);
BAIL_IF_ERRPASS(!f, NULL);
io = __PHYSFS_createNativeIo(f, mode);
if (io == NULL)
{
const PHYSFS_ErrorCode err = PHYSFS_getLastErrorCode();
PHYSFS_Stat statbuf;
__PHYSFS_platformStat(f, &statbuf, 0); /* !!! FIXME: why are we stating here? */
PHYSFS_setErrorCode(err);
} /* if */
__PHYSFS_smallFree(f);
return io;
} /* doOpen */
static PHYSFS_Io *DIR_openRead(void *opaque, const char *filename)
{
return doOpen(opaque, filename, 'r');
} /* DIR_openRead */
static PHYSFS_Io *DIR_openWrite(void *opaque, const char *filename)
{
return doOpen(opaque, filename, 'w');
} /* DIR_openWrite */
static PHYSFS_Io *DIR_openAppend(void *opaque, const char *filename)
{
return doOpen(opaque, filename, 'a');
} /* DIR_openAppend */
static int DIR_remove(void *opaque, const char *name)
{
int retval;
char *f;
CVT_TO_DEPENDENT(f, opaque, name);
BAIL_IF_ERRPASS(!f, 0);
retval = __PHYSFS_platformDelete(f);
__PHYSFS_smallFree(f);
return retval;
} /* DIR_remove */
static int DIR_mkdir(void *opaque, const char *name)
{
int retval;
char *f;
CVT_TO_DEPENDENT(f, opaque, name);
BAIL_IF_ERRPASS(!f, 0);
retval = __PHYSFS_platformMkDir(f);
__PHYSFS_smallFree(f);
return retval;
} /* DIR_mkdir */
static void DIR_closeArchive(void *opaque)
{
allocator.Free(opaque);
} /* DIR_closeArchive */
static int DIR_stat(void *opaque, const char *name, PHYSFS_Stat *stat)
{
int retval = 0;
char *d;
CVT_TO_DEPENDENT(d, opaque, name);
BAIL_IF_ERRPASS(!d, 0);
retval = __PHYSFS_platformStat(d, stat, 0);
__PHYSFS_smallFree(d);
return retval;
} /* DIR_stat */
const PHYSFS_Archiver __PHYSFS_Archiver_DIR =
{
CURRENT_PHYSFS_ARCHIVER_API_VERSION,
{
"",
"Non-archive, direct filesystem I/O",
"Ryan C. Gordon <icculus@icculus.org>",
"https://icculus.org/physfs/",
1, /* supportsSymlinks */
},
DIR_openArchive,
DIR_enumerate,
DIR_openRead,
DIR_openWrite,
DIR_openAppend,
DIR_remove,
DIR_mkdir,
DIR_stat,
DIR_closeArchive
};
/* end of physfs_archiver_dir.c ... */
|
