Mercurial > dwindows
annotate win/dirent.c @ 1617:f8d1da63fb77
Add code to allow building DW.DLL as Unicode on Windows.
DWCOMPAT.DLL currently is still built ANSI for now.
Will add -DUNICODE and -D_UNICODE to the flags when it is stable.
| author | bsmith@81767d24-ef19-dc11-ae90-00e081727c95 |
|---|---|
| date | Tue, 27 Mar 2012 08:51:14 +0000 |
| parents | 71e0a3ad07f7 |
| children | 22225eb286e5 |
| rev | line source |
|---|---|
|
1617
f8d1da63fb77
Add code to allow building DW.DLL as Unicode on Windows.
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1 #undef UNICODE |
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Add code to allow building DW.DLL as Unicode on Windows.
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2 #undef _UNICODE |
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Add code to allow building DW.DLL as Unicode on Windows.
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3 |
| 3 | 4 #include <stdio.h> |
| 5 #include <stdlib.h> | |
| 6 #include <string.h> | |
| 7 #include <ctype.h> | |
| 8 | |
| 9 #include <windows.h> | |
| 10 | |
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Rename compat.c/h dwcompat.c/h and configure option to --with-dwcompat.
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11 #include "dwcompat.h" |
| 3 | 12 #include <errno.h> |
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Attempt to get it building with Mingw again... builds but crashes.
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13 #include <direct.h> |
| 3 | 14 |
| 15 #define error(rc) errno = 255 | |
| 16 | |
| 17 struct _dirdescr { | |
| 18 HANDLE handle; /* DosFindFirst handle */ | |
| 19 char fstype; /* filesystem type */ | |
| 20 long count; /* valid entries in <ffbuf> */ | |
| 21 long number; /* absolute number of next entry */ | |
| 22 int index; /* relative number of next entry */ | |
| 23 char name[MAXPATHLEN+3]; /* directory name */ | |
| 24 unsigned attrmask; /* attribute mask for seekdir */ | |
| 25 struct dirent entry; /* buffer for directory entry */ | |
| 26 WIN32_FIND_DATA data; | |
| 27 }; | |
| 28 | |
| 29 /* | |
| 30 * Return first char of filesystem type, or 0 if unknown. | |
| 31 */ | |
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32 static char API getFSType(const char *path) |
| 3 | 33 { |
| 34 static char cache[1+26]; | |
| 35 char drive[3]; | |
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36 UCHAR unit; |
| 3 | 37 char r; |
| 38 | |
| 39 if (isalpha(path[0]) && path[1] == ':') { | |
| 40 unit = toupper(path[0]) - '@'; | |
| 41 path += 2; | |
| 42 } else { | |
| 43 return 0; | |
| 44 } | |
| 45 | |
| 46 if ((path[0] == '\\' || path[0] == '/') | |
| 47 && (path[1] == '\\' || path[1] == '/')) | |
| 48 return 0; | |
| 49 | |
| 50 if (cache [unit]) | |
| 51 return cache [unit]; | |
| 52 | |
| 53 drive[0] = '@' + unit; | |
| 54 drive[1] = ':'; | |
| 55 drive[2] = '\0'; | |
| 56 | |
| 57 r = GetDriveType(drive); | |
| 58 | |
| 59 return cache [unit] = r; | |
| 60 } | |
| 61 | |
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62 char * API abs_path(const char *name, char *buffer, int len) |
| 3 | 63 { |
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64 LPTSTR file; |
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65 |
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66 if(isalpha(name[0]) && name[1] == ':' && name[2] == '\0') |
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67 { |
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68 int drive = _getdrive(); |
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69 char newdrive = toupper(name[0]); |
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70 |
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71 _chdrive((newdrive - 'A')+1); |
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72 |
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73 if(_getcwd(buffer, len)) |
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74 { |
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75 _chdrive(drive); |
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76 return buffer; |
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77 } |
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78 _chdrive(drive); |
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79 return NULL; |
| 3 | 80 } |
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81 if(GetFullPathName(name, len, buffer, &file)) |
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82 return buffer; |
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83 return NULL; |
| 3 | 84 } |
| 85 | |
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86 DIR * API openxdir(const char *path, unsigned att_mask) |
| 3 | 87 { |
| 88 DIR *dir; | |
| 89 char name[MAXPATHLEN+3]; | |
| 90 | |
| 91 dir = malloc(sizeof(DIR)); | |
| 92 if (dir == NULL) { | |
| 93 errno = ENOMEM; | |
| 94 return NULL; | |
| 95 } | |
| 96 | |
| 97 strncpy(name, path, MAXPATHLEN); | |
| 98 name[MAXPATHLEN] = '\0'; | |
| 99 switch (name[strlen(name)-1]) { | |
| 100 default: | |
| 101 strcat(name, "\\"); | |
| 102 case '\\': | |
| 103 case '/': | |
| 104 case ':': | |
| 105 ; | |
| 106 } | |
| 107 strcat(name, "."); | |
| 108 if (!abs_path(name, dir->name, MAXPATHLEN+1)) | |
| 109 strcpy(dir->name, name); | |
| 110 if (dir->name[strlen(dir->name)-1] == '\\') | |
| 111 strcat(dir->name, "*"); | |
| 112 else | |
| 113 strcat(dir->name, "\\*"); | |
| 114 | |
| 115 dir->fstype = getFSType(dir->name); | |
| 116 dir->attrmask = att_mask | A_DIR; | |
| 117 | |
| 118 dir->count = 100; | |
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FindFirstFile returns INVALID_HANDLE_VALUE on error, not NULL.
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119 if((dir->handle = FindFirstFile(dir->name, &dir->data))==INVALID_HANDLE_VALUE) |
| 3 | 120 { |
| 121 free(dir); | |
| 122 error(rc); | |
| 123 return NULL; | |
| 124 } | |
| 125 | |
| 126 dir->number = 0; | |
| 127 dir->index = 0; | |
| 128 | |
| 129 return (DIR *)dir; | |
| 130 } | |
| 131 | |
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132 DIR * API opendir(const char *pathname) |
| 3 | 133 { |
| 134 return openxdir(pathname, 0); | |
| 135 } | |
| 136 | |
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137 struct dirent * API readdir(DIR *dir) |
| 3 | 138 { |
| 139 static int dummy_ino = 2; | |
| 140 | |
| 141 if (dir->number) | |
| 142 { | |
| 143 dir->count = 100; | |
| 144 if(!FindNextFile(dir->handle, &(dir->data))) | |
| 145 { | |
| 146 error(rc); | |
| 147 return NULL; | |
| 148 } | |
| 149 | |
| 150 dir->index = 0; | |
| 151 } | |
| 152 | |
| 153 strcpy(dir->entry.d_name, dir->data.cFileName); | |
| 154 dir->entry.d_ino = dummy_ino++; | |
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155 dir->entry.d_reclen = (int)strlen(dir->data.cFileName); |
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156 dir->entry.d_namlen = (int)strlen(dir->data.cFileName); |
| 3 | 157 dir->entry.d_size = dir->data.nFileSizeLow; |
| 158 dir->entry.d_attribute = dir->data.dwFileAttributes; | |
| 159 #if 0 | |
| 160 dir->entry.d_time = *(USHORT *)&dir->next->ftimeLastWrite; | |
| 161 dir->entry.d_date = *(USHORT *)&dir->next->fdateLastWrite; | |
| 162 #endif | |
| 163 | |
| 164 dir->number++; | |
| 165 dir->index++; | |
| 166 return &dir->entry; | |
| 167 } | |
| 168 | |
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169 long API telldir(DIR *dir) |
| 3 | 170 { |
| 171 return dir->number; | |
| 172 } | |
| 173 | |
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174 void API seekdir(DIR *dir, long off) |
| 3 | 175 { |
| 176 if (dir->number > off) { | |
| 177 char name[MAXPATHLEN+2]; | |
| 178 | |
| 179 FindClose(dir->handle); | |
| 180 | |
| 181 strcpy(name, dir->name); | |
| 182 strcat(name, "*"); | |
| 183 | |
| 184 if((dir->handle = FindFirstFile(name, &(dir->data)))==NULL) | |
| 185 { | |
| 186 error(rc); | |
| 187 return; | |
| 188 } | |
| 189 | |
| 190 dir->number = 0; | |
| 191 dir->index = 0; | |
| 192 } | |
| 193 | |
| 194 while (dir->number < off && readdir(dir)) | |
| 195 ; | |
| 196 } | |
| 197 | |
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198 void API closedir(DIR *dir) |
| 3 | 199 { |
| 200 FindClose(dir->handle); | |
| 201 free(dir); | |
| 202 } | |
| 203 | |
| 204 /*****************************************************************************/ | |
| 205 | |
| 206 #ifdef TEST | |
| 207 | |
| 208 main(int argc, char **argv) | |
| 209 { | |
| 210 int i; | |
| 211 DIR *dir; | |
| 212 struct dirent *ep; | |
| 213 | |
| 214 for (i = 1; i < argc; ++i) { | |
| 215 dir = opendir(argv[i]); | |
| 216 if (!dir) | |
| 217 continue; | |
| 218 while (ep = readdir(dir)) | |
| 219 if (strchr("\\/:", argv[i] [strlen(argv[i]) - 1])) | |
| 220 printf("%s%s\n", argv[i], ep->d_name); | |
| 221 else | |
| 222 printf("%s/%s\n", argv[i], ep->d_name); | |
| 223 closedir(dir); | |
| 224 } | |
| 225 | |
| 226 return 0; | |
| 227 } | |
| 228 | |
| 229 #endif |