/
archiver_dir.c
174 lines (133 loc) · 4.67 KB
/
archiver_dir.c
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
/*
* 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 void *DIR_openArchive(PHYSFS_Io *io, const char *name, int forWriting)
{
PHYSFS_Stat statbuf;
const char dirsep = __PHYSFS_platformDirSeparator;
char *retval = NULL;
const size_t namelen = strlen(name);
const size_t seplen = 1;
int exists = 0;
assert(io == NULL); /* shouldn't create an Io for these. */
BAIL_IF_MACRO(!__PHYSFS_platformStat(name, &exists, &statbuf), NULL, NULL);
if ((!exists) || (statbuf.filetype != PHYSFS_FILETYPE_DIRECTORY))
BAIL_MACRO(ERR_NOT_AN_ARCHIVE, NULL);
retval = allocator.Malloc(namelen + seplen + 1);
BAIL_IF_MACRO(retval == NULL, 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 */
/* !!! FIXME: I would like to smallAlloc() all these conversions somehow. */
static void DIR_enumerateFiles(dvoid *opaque, const char *dname,
int omitSymLinks, PHYSFS_EnumFilesCallback cb,
const char *origdir, void *callbackdata)
{
char *d = __PHYSFS_platformCvtToDependent((char *) opaque, dname, NULL);
if (d != NULL)
{
__PHYSFS_platformEnumerateFiles(d, omitSymLinks, cb,
origdir, callbackdata);
allocator.Free(d);
} /* if */
} /* DIR_enumerateFiles */
static PHYSFS_Io *doOpen(dvoid *opaque, const char *name,
const int mode, int *fileExists)
{
char *f = __PHYSFS_platformCvtToDependent((char *) opaque, name, NULL);
PHYSFS_Io *io = NULL;
int existtmp = 0;
if (fileExists == NULL)
fileExists = &existtmp;
BAIL_IF_MACRO(f == NULL, NULL, NULL);
io = __PHYSFS_createNativeIo(f, mode);
if (io == NULL)
{
PHYSFS_Stat statbuf; /* !!! FIXME: this changes the error message. */
__PHYSFS_platformStat(f, fileExists, &statbuf);
} /* if */
else
{
*fileExists = 1;
} /* else */
allocator.Free(f);
return io;
} /* doOpen */
static PHYSFS_Io *DIR_openRead(dvoid *opaque, const char *fnm, int *exist)
{
return doOpen(opaque, fnm, 'r', exist);
} /* DIR_openRead */
static PHYSFS_Io *DIR_openWrite(dvoid *opaque, const char *filename)
{
return doOpen(opaque, filename, 'w', NULL);
} /* DIR_openWrite */
static PHYSFS_Io *DIR_openAppend(dvoid *opaque, const char *filename)
{
return doOpen(opaque, filename, 'a', NULL);
} /* DIR_openAppend */
static int DIR_remove(dvoid *opaque, const char *name)
{
char *f = __PHYSFS_platformCvtToDependent((char *) opaque, name, NULL);
int retval;
BAIL_IF_MACRO(f == NULL, NULL, 0);
retval = __PHYSFS_platformDelete(f);
allocator.Free(f);
return retval;
} /* DIR_remove */
static int DIR_mkdir(dvoid *opaque, const char *name)
{
char *f = __PHYSFS_platformCvtToDependent((char *) opaque, name, NULL);
int retval;
BAIL_IF_MACRO(f == NULL, NULL, 0);
retval = __PHYSFS_platformMkDir(f);
allocator.Free(f);
return retval;
} /* DIR_mkdir */
static void DIR_dirClose(dvoid *opaque)
{
allocator.Free(opaque);
} /* DIR_dirClose */
static int DIR_stat(dvoid *opaque, const char *name, int *exists,
PHYSFS_Stat *stat)
{
char *d = __PHYSFS_platformCvtToDependent((char *) opaque, name, NULL);
int retval = 0;
BAIL_IF_MACRO(d == NULL, NULL, 0);
retval = __PHYSFS_platformStat(d, exists, stat);
allocator.Free(d);
return retval;
} /* DIR_stat */
const PHYSFS_ArchiveInfo __PHYSFS_ArchiveInfo_DIR =
{
"",
DIR_ARCHIVE_DESCRIPTION,
"Ryan C. Gordon <icculus@icculus.org>",
"http://icculus.org/physfs/",
};
const PHYSFS_Archiver __PHYSFS_Archiver_DIR =
{
&__PHYSFS_ArchiveInfo_DIR,
DIR_openArchive, /* openArchive() method */
DIR_enumerateFiles, /* enumerateFiles() method */
DIR_openRead, /* openRead() method */
DIR_openWrite, /* openWrite() method */
DIR_openAppend, /* openAppend() method */
DIR_remove, /* remove() method */
DIR_mkdir, /* mkdir() method */
DIR_dirClose, /* dirClose() method */
DIR_stat /* stat() method */
};
/* end of dir.c ... */