Mercurial > dwindows
annotate win/dirent.c @ 1001:4ef0e878fe06
Added support for Dynamic Windows style font names for GTK3.
| author | bsmith@81767d24-ef19-dc11-ae90-00e081727c95 |
|---|---|
| date | Sun, 08 May 2011 06:18:41 +0000 |
| parents | 1e3ab8adba90 |
| children | 412af8059331 |
| rev | line source |
|---|---|
| 3 | 1 #include <stdio.h> |
| 2 #include <stdlib.h> | |
| 3 #include <string.h> | |
| 4 #include <ctype.h> | |
| 5 | |
| 6 #include <windows.h> | |
| 7 | |
|
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8 #include "compat.h" |
| 3 | 9 #include <errno.h> |
| 10 | |
| 11 #define error(rc) errno = 255 | |
| 12 | |
| 13 struct _dirdescr { | |
| 14 HANDLE handle; /* DosFindFirst handle */ | |
| 15 char fstype; /* filesystem type */ | |
| 16 long count; /* valid entries in <ffbuf> */ | |
| 17 long number; /* absolute number of next entry */ | |
| 18 int index; /* relative number of next entry */ | |
| 19 char name[MAXPATHLEN+3]; /* directory name */ | |
| 20 unsigned attrmask; /* attribute mask for seekdir */ | |
| 21 struct dirent entry; /* buffer for directory entry */ | |
| 22 WIN32_FIND_DATA data; | |
| 23 }; | |
| 24 | |
| 25 /* | |
| 26 * Return first char of filesystem type, or 0 if unknown. | |
| 27 */ | |
|
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28 static char API getFSType(const char *path) |
| 3 | 29 { |
| 30 static char cache[1+26]; | |
| 31 char drive[3]; | |
| 32 ULONG unit; | |
| 33 char r; | |
| 34 | |
| 35 if (isalpha(path[0]) && path[1] == ':') { | |
| 36 unit = toupper(path[0]) - '@'; | |
| 37 path += 2; | |
| 38 } else { | |
| 39 return 0; | |
| 40 } | |
| 41 | |
| 42 if ((path[0] == '\\' || path[0] == '/') | |
| 43 && (path[1] == '\\' || path[1] == '/')) | |
| 44 return 0; | |
| 45 | |
| 46 if (cache [unit]) | |
| 47 return cache [unit]; | |
| 48 | |
| 49 drive[0] = '@' + unit; | |
| 50 drive[1] = ':'; | |
| 51 drive[2] = '\0'; | |
| 52 | |
| 53 r = GetDriveType(drive); | |
| 54 | |
| 55 return cache [unit] = r; | |
| 56 } | |
| 57 | |
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58 char * API abs_path(const char *name, char *buffer, int len) |
| 3 | 59 { |
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60 LPTSTR file; |
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61 |
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62 if(isalpha(name[0]) && name[1] == ':' && name[2] == '\0') |
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63 { |
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64 int drive = _getdrive(); |
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65 char newdrive = toupper(name[0]); |
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66 |
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67 _chdrive((newdrive - 'A')+1); |
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68 |
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69 if(getcwd(buffer, len)) |
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70 { |
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71 _chdrive(drive); |
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72 return buffer; |
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73 } |
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74 _chdrive(drive); |
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75 return NULL; |
| 3 | 76 } |
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77 if(GetFullPathName(name, len, buffer, &file)) |
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78 return buffer; |
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79 return NULL; |
| 3 | 80 } |
| 81 | |
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82 DIR * API openxdir(const char *path, unsigned att_mask) |
| 3 | 83 { |
| 84 DIR *dir; | |
| 85 char name[MAXPATHLEN+3]; | |
| 86 | |
| 87 dir = malloc(sizeof(DIR)); | |
| 88 if (dir == NULL) { | |
| 89 errno = ENOMEM; | |
| 90 return NULL; | |
| 91 } | |
| 92 | |
| 93 strncpy(name, path, MAXPATHLEN); | |
| 94 name[MAXPATHLEN] = '\0'; | |
| 95 switch (name[strlen(name)-1]) { | |
| 96 default: | |
| 97 strcat(name, "\\"); | |
| 98 case '\\': | |
| 99 case '/': | |
| 100 case ':': | |
| 101 ; | |
| 102 } | |
| 103 strcat(name, "."); | |
| 104 if (!abs_path(name, dir->name, MAXPATHLEN+1)) | |
| 105 strcpy(dir->name, name); | |
| 106 if (dir->name[strlen(dir->name)-1] == '\\') | |
| 107 strcat(dir->name, "*"); | |
| 108 else | |
| 109 strcat(dir->name, "\\*"); | |
| 110 | |
| 111 dir->fstype = getFSType(dir->name); | |
| 112 dir->attrmask = att_mask | A_DIR; | |
| 113 | |
| 114 dir->count = 100; | |
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FindFirstFile returns INVALID_HANDLE_VALUE on error, not NULL.
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115 if((dir->handle = FindFirstFile(dir->name, &dir->data))==INVALID_HANDLE_VALUE) |
| 3 | 116 { |
| 117 free(dir); | |
| 118 error(rc); | |
| 119 return NULL; | |
| 120 } | |
| 121 | |
| 122 dir->number = 0; | |
| 123 dir->index = 0; | |
| 124 | |
| 125 return (DIR *)dir; | |
| 126 } | |
| 127 | |
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128 DIR * API opendir(const char *pathname) |
| 3 | 129 { |
| 130 return openxdir(pathname, 0); | |
| 131 } | |
| 132 | |
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133 struct dirent * API readdir(DIR *dir) |
| 3 | 134 { |
| 135 static int dummy_ino = 2; | |
| 136 | |
| 137 if (dir->number) | |
| 138 { | |
| 139 ULONG rc; | |
| 140 dir->count = 100; | |
| 141 if(!FindNextFile(dir->handle, &(dir->data))) | |
| 142 { | |
| 143 error(rc); | |
| 144 return NULL; | |
| 145 } | |
| 146 | |
| 147 dir->index = 0; | |
| 148 } | |
| 149 | |
| 150 strcpy(dir->entry.d_name, dir->data.cFileName); | |
| 151 dir->entry.d_ino = dummy_ino++; | |
| 152 dir->entry.d_reclen = strlen(dir->data.cFileName); | |
| 153 dir->entry.d_namlen = strlen(dir->data.cFileName); | |
| 154 dir->entry.d_size = dir->data.nFileSizeLow; | |
| 155 dir->entry.d_attribute = dir->data.dwFileAttributes; | |
| 156 #if 0 | |
| 157 dir->entry.d_time = *(USHORT *)&dir->next->ftimeLastWrite; | |
| 158 dir->entry.d_date = *(USHORT *)&dir->next->fdateLastWrite; | |
| 159 #endif | |
| 160 | |
| 161 dir->number++; | |
| 162 dir->index++; | |
| 163 return &dir->entry; | |
| 164 } | |
| 165 | |
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166 long API telldir(DIR *dir) |
| 3 | 167 { |
| 168 return dir->number; | |
| 169 } | |
| 170 | |
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171 void API seekdir(DIR *dir, long off) |
| 3 | 172 { |
| 173 if (dir->number > off) { | |
| 174 char name[MAXPATHLEN+2]; | |
| 175 ULONG rc; | |
| 176 | |
| 177 FindClose(dir->handle); | |
| 178 | |
| 179 strcpy(name, dir->name); | |
| 180 strcat(name, "*"); | |
| 181 | |
| 182 if((dir->handle = FindFirstFile(name, &(dir->data)))==NULL) | |
| 183 { | |
| 184 error(rc); | |
| 185 return; | |
| 186 } | |
| 187 | |
| 188 dir->number = 0; | |
| 189 dir->index = 0; | |
| 190 } | |
| 191 | |
| 192 while (dir->number < off && readdir(dir)) | |
| 193 ; | |
| 194 } | |
| 195 | |
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196 void API closedir(DIR *dir) |
| 3 | 197 { |
| 198 FindClose(dir->handle); | |
| 199 free(dir); | |
| 200 } | |
| 201 | |
| 202 /*****************************************************************************/ | |
| 203 | |
| 204 #ifdef TEST | |
| 205 | |
| 206 main(int argc, char **argv) | |
| 207 { | |
| 208 int i; | |
| 209 DIR *dir; | |
| 210 struct dirent *ep; | |
| 211 | |
| 212 for (i = 1; i < argc; ++i) { | |
| 213 dir = opendir(argv[i]); | |
| 214 if (!dir) | |
| 215 continue; | |
| 216 while (ep = readdir(dir)) | |
| 217 if (strchr("\\/:", argv[i] [strlen(argv[i]) - 1])) | |
| 218 printf("%s%s\n", argv[i], ep->d_name); | |
| 219 else | |
| 220 printf("%s/%s\n", argv[i], ep->d_name); | |
| 221 closedir(dir); | |
| 222 } | |
| 223 | |
| 224 return 0; | |
| 225 } | |
| 226 | |
| 227 #endif |