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
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
|
/* MISSING.C
Implementation for standard and semi-standard C library calls missing in WinCE
environment.
by Vasyl Tsvirkunov
*/
#include <windows.h>
#include <tchar.h>
#include <string.h>
#include <stdlib.h>
#include "sys/stat.h"
#ifndef __GNUC__
#include "sys/time.h"
#else
#include <stdio.h>
#endif
#include "time.h"
#include "dirent.h"
/* forward declaration */
#if _WIN32_WCE < 300
#define _STDAFX_H
#include "portdefs.h"
#else
char *strdup(const char *strSource);
#endif
#ifdef __GNUC__
#define EXT_C extern "C"
#else
#define EXT_C
#endif
// common missing functions required by both gcc and evc
void *bsearch(const void *key, const void *base, size_t nmemb,
size_t size, int (*compar)(const void *, const void *)) {
// Perform binary search
size_t lo = 0;
size_t hi = nmemb;
while (lo < hi) {
size_t mid = (lo + hi) / 2;
const void *p = ((const char *)base) + mid * size;
int tmp = (*compar)(key, p);
if (tmp < 0)
hi = mid;
else if (tmp > 0)
lo = mid + 1;
else
return (void *)p;
}
return NULL;
}
static WIN32_FIND_DATA wfd;
/* Very limited implementation of stat. Used by UI.C, MEMORY-P.C (latter is not critical) */
int stat(const char *fname, struct stat *ss)
{
TCHAR fnameUnc[MAX_PATH+1];
HANDLE handle;
int len;
if (fname == NULL || ss == NULL)
return -1;
/* Special case (dummy on WinCE) */
len = strlen(fname);
if (len >= 2 && fname[len-1] == '.' && fname[len-2] == '.' &&
(len == 2 || fname[len-3] == '\\'))
{
/* That's everything implemented so far */
memset(ss, 0, sizeof(struct stat));
ss->st_size = 1024;
ss->st_mode |= S_IFDIR;
return 0;
}
MultiByteToWideChar(CP_ACP, 0, fname, -1, fnameUnc, MAX_PATH);
handle = FindFirstFile(fnameUnc, &wfd);
FindClose(handle);
if (handle == INVALID_HANDLE_VALUE)
return -1;
else
{
/* That's everything implemented so far */
memset(ss, 0, sizeof(struct stat));
ss->st_size = wfd.nFileSizeLow;
if (wfd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
ss->st_mode |= S_IFDIR;
}
return 0;
}
char cwd[MAX_PATH+1] = "";
EXT_C char *getcwd(char *buffer, int maxlen)
{
TCHAR fileUnc[MAX_PATH+1];
char* plast;
if (cwd[0] == 0)
{
GetModuleFileName(NULL, fileUnc, MAX_PATH);
WideCharToMultiByte(CP_ACP, 0, fileUnc, -1, cwd, MAX_PATH, NULL, NULL);
plast = strrchr(cwd, '\\');
if (plast)
*plast = 0;
/* Special trick to keep start menu clean... */
if (_stricmp(cwd, "\\windows\\start menu") == 0)
strcpy(cwd, "\\Apps");
}
if (buffer)
strncpy(buffer, cwd, maxlen);
return cwd;
}
#ifdef __GNUC__
#undef GetCurrentDirectory
#endif
EXT_C void GetCurrentDirectory(int len, char *buf)
{
getcwd(buf,len);
};
/*
Windows CE fopen has non-standard behavior -- not
fully qualified paths refer to root folder rather
than current folder (concept not implemented in CE).
*/
#undef fopen
EXT_C FILE *wce_fopen(const char* fname, const char* fmode)
{
char fullname[MAX_PATH+1];
if (!fname || fname[0] == '\0')
return NULL;
if (fname[0] != '\\' && fname[0] != '/')
{
getcwd(fullname, MAX_PATH);
strncat(fullname, "\\", MAX_PATH-strlen(fullname)-1);
strncat(fullname, fname, MAX_PATH-strlen(fullname)-strlen(fname));
return fopen(fullname, fmode);
}
else
return fopen(fname, fmode);
}
/* Remove file by name */
int remove(const char* path)
{
TCHAR pathUnc[MAX_PATH+1];
MultiByteToWideChar(CP_ACP, 0, path, -1, pathUnc, MAX_PATH);
return !DeleteFile(pathUnc);
}
/* check out file access permissions */
int _access(const char *path, int mode) {
TCHAR fname[MAX_PATH];
MultiByteToWideChar(CP_ACP, 0, path, -1, fname, sizeof(fname)/sizeof(TCHAR));
WIN32_FIND_DATA ffd;
HANDLE h=FindFirstFile(fname, &ffd);
FindClose(h);
if (h == INVALID_HANDLE_VALUE)
return -1; //Can't find file
if (ffd.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY) {
// WORKAROUND: WinCE (or the emulator) sometimes returns bogus direcotry
// hits for files that don't exist. Checking for the same fname twice
// seems to weed out those false positives.
HANDLE h=FindFirstFile(fname, &ffd);
FindClose(h);
if (h == INVALID_HANDLE_VALUE)
return -1; //Can't find file
return 0; //Always return success if target is directory and exists
}
switch (mode) {
case 00: //Check existence
return 0;
case 06: //Check Read & Write permission
case 02: //Check Write permission
return ffd.dwFileAttributes&FILE_ATTRIBUTE_READONLY?-1:0;
case 04: //Check Read permission
return 0; //Assume always have read permission
}
//Bad mode value supplied, return failure
return -1;
}
// evc only functions follow
#ifndef __GNUC__
/* Limited dirent implementation. Used by UI.C and DEVICES.C */
DIR* opendir(const char* fname)
{
DIR* pdir;
char fnameMask[MAX_PATH+1];
TCHAR fnameUnc[MAX_PATH+1];
char nameFound[MAX_PATH+1];
if (fname == NULL)
return NULL;
strcpy(fnameMask, fname);
if (!strlen(fnameMask) || fnameMask[strlen(fnameMask)-1] != '\\')
strncat(fnameMask, "\\", MAX_PATH-strlen(fnameMask)-1);
strncat(fnameMask, "*.*", MAX_PATH-strlen(fnameMask)-4);
pdir = (DIR*)malloc(sizeof(DIR)+strlen(fname));
pdir->dd_dir.d_ino = 0;
pdir->dd_dir.d_reclen = 0;
pdir->dd_dir.d_name = 0;
pdir->dd_dir.d_namlen = 0;
pdir->dd_handle = 0;
pdir->dd_stat = 0;
strcpy(pdir->dd_name, fname); /* it has exactly enough space for fname and nul char */
MultiByteToWideChar(CP_ACP, 0, fnameMask, -1, fnameUnc, MAX_PATH);
if ((pdir->dd_handle = (long)FindFirstFile(fnameUnc, &wfd)) == (long)INVALID_HANDLE_VALUE)
{
free(pdir);
return NULL;
}
else
{
WideCharToMultiByte(CP_ACP, 0, wfd.cFileName, -1, nameFound, MAX_PATH, NULL, NULL);
pdir->dd_dir.d_name = strdup(nameFound);
pdir->dd_dir.d_namlen = strlen(nameFound);
}
return pdir;
}
struct dirent* readdir(DIR* dir)
{
char nameFound[MAX_PATH+1];
static struct dirent dummy;
if (dir->dd_stat == 0)
{
dummy.d_name = ".";
dummy.d_namlen = 1;
dir->dd_stat ++;
return &dummy;
}
else if (dir->dd_stat == 1)
{
dummy.d_name = "..";
dummy.d_namlen = 2;
dir->dd_stat ++;
return &dummy;
}
else if (dir->dd_stat == 2)
{
dir->dd_stat++;
return &dir->dd_dir;
}
else
{
if (FindNextFile((HANDLE)dir->dd_handle, &wfd) == 0)
{
dir->dd_stat = -1;
return NULL;
}
WideCharToMultiByte(CP_ACP, 0, wfd.cFileName, -1, nameFound, MAX_PATH, NULL, NULL);
if (dir->dd_dir.d_name)
free(dir->dd_dir.d_name);
dir->dd_dir.d_name = strdup(nameFound);
dir->dd_dir.d_namlen = strlen(nameFound);
dir->dd_stat ++;
return &dir->dd_dir;
}
}
int closedir(DIR* dir)
{
if (dir == NULL)
return 0;
if (dir->dd_handle)
FindClose((HANDLE)dir->dd_handle);
if (dir->dd_dir.d_name)
free(dir->dd_dir.d_name);
free(dir);
return 1;
}
/* Make directory, Unix style */
void mkdir(char* dirname, int mode)
{
char path[MAX_PATH+1];
TCHAR pathUnc[MAX_PATH+1];
char* ptr;
strncpy(path, dirname, MAX_PATH);
if (*path == '/')
*path = '\\';
/* Run through the string and attempt creating all subdirs on the path */
for (ptr = path+1; *ptr; ptr ++)
{
if (*ptr == '\\' || *ptr == '/')
{
*ptr = 0;
MultiByteToWideChar(CP_ACP, 0, path, -1, pathUnc, MAX_PATH);
CreateDirectory(pathUnc, 0);
*ptr = '\\';
}
}
MultiByteToWideChar(CP_ACP, 0, path, -1, pathUnc, MAX_PATH);
CreateDirectory(pathUnc, 0);
}
char *strdup(const char *strSource)
{
char* buffer;
size_z len = strlen(strSource)+1;
buffer = (char*)malloc(len);
if (buffer)
memcpy(buffer, strSource, len);
return buffer;
}
// gcc build only functions follow
#else // defined(__GNUC__)
#ifndef __MINGW32CE__
int islower(int c) {
return (c>='a' && c<='z');
}
int isspace(int c) {
return (c==' ' || c=='\f' || c=='\n' || c=='\r' || c=='\t' || c=='\v');
}
int isalpha(int c) {
return ((c>='a' && c<='z') || (c>='A' && c<='Z'));
}
int isalnum(int c) {
return ((c>='a' && c<='z') || (c>='A' && c<='Z') || (c>='0' && c<='9'));
}
int isprint(int c) {
//static const char punct[] = "!\"#%&'();<=>?[\\]*+,-./:^_{|}~";
//return (isalnum(c) || strchr(punct, c));
return (32 <= c && c <= 126); // based on BSD manpage
}
#endif
#endif
|