ViewVC Help
View File | Revision Log | Show Annotations | Revision Graph | Root Listing
root/cebix/BasiliskII/src/Unix/extfs_unix.cpp
(Generate patch)

Comparing BasiliskII/src/Unix/extfs_unix.cpp (file contents):
Revision 1.1 by cebix, 1999-10-19T17:41:34Z vs.
Revision 1.5 by cebix, 1999-10-27T16:59:45Z

# Line 57 | Line 57 | void extfs_exit(void)
57  
58  
59   /*
60 + *  Add component to path name
61 + */
62 +
63 + void add_path_component(char *path, const char *component)
64 + {
65 +        int l = strlen(path);
66 +        if (l < MAX_PATH_LENGTH-1 && path[l-1] != '/') {
67 +                path[l] = '/';
68 +                path[l+1] = 0;
69 +        }
70 +        strncat(path, component, MAX_PATH_LENGTH-1);
71 + }
72 +
73 +
74 + /*
75 + *  Finder info and resource forks are kept in helper files
76 + *
77 + *  Finder info:
78 + *    /path/.finf/file
79 + *  Resource fork:
80 + *    /path/.rsrc/file
81 + */
82 +
83 + // Layout of Finder info helper files (all fields big-endian)
84 + struct finf_struct {
85 +        uint32 type;
86 +        uint32 creator;
87 +        uint16 flags;
88 + };
89 +
90 + static void make_helper_path(const char *src, char *dest, const char *add, bool only_dir = false)
91 + {
92 +        dest[0] = 0;
93 +
94 +        // Get pointer to last component of path
95 +        const char *last_part = strrchr(src, '/');
96 +        if (last_part)
97 +                last_part++;
98 +        else
99 +                last_part = src;
100 +
101 +        // Copy everything before
102 +        strncpy(dest, src, last_part-src);
103 +        dest[last_part-src] = 0;
104 +
105 +        // Add additional component
106 +        strncat(dest, add, MAX_PATH_LENGTH-1);
107 +
108 +        // Add last component
109 +        if (!only_dir)
110 +                strncat(dest, last_part, MAX_PATH_LENGTH-1);
111 + }
112 +
113 + static int create_helper_dir(const char *path, const char *add)
114 + {
115 +        char helper_dir[MAX_PATH_LENGTH];
116 +        make_helper_path(path, helper_dir, add, true);
117 +        return mkdir(helper_dir, 0755);
118 + }
119 +
120 + static int open_helper(const char *path, const char *add, int flag)
121 + {
122 +        char helper_path[MAX_PATH_LENGTH];
123 +        make_helper_path(path, helper_path, add);
124 +
125 +        if ((flag & O_RDWR) || (flag && O_WRONLY))
126 +                flag |= O_CREAT;
127 +        int fd = open(helper_path, flag, 0644);
128 +        if (fd < 0) {
129 +                if (errno == ENOENT && (flag & O_CREAT)) {
130 +                        // One path component was missing, probably the helper
131 +                        // directory. Try to create it and re-open the file.
132 +                        int ret = create_helper_dir(path, add);
133 +                        if (ret < 0)
134 +                                return ret;
135 +                        fd = open(helper_path, flag, 0644);
136 +                }
137 +        }
138 +        return fd;
139 + }
140 +
141 + static int open_finf(const char *path, int flag)
142 + {
143 +        return open_helper(path, ".finf/", flag);
144 + }
145 +
146 + static int open_rsrc(const char *path, int flag)
147 + {
148 +        return open_helper(path, ".rsrc/", flag);
149 + }
150 +
151 +
152 + /*
153   *  Get/set finder type/creator for file specified by full path
154   */
155  
# Line 67 | Line 160 | struct ext2type {
160   };
161  
162   static const ext2type e2t_translation[] = {
163 <        {".z", 'ZIVM', 'LZIV'},
163 >        {".Z", 'ZIVM', 'LZIV'},
164          {".gz", 'Gzip', 'Gzip'},
165          {".hqx", 'TEXT', 'SITx'},
166          {".pdf", 'PDF ', 'CARO'},
# Line 102 | Line 195 | static const ext2type e2t_translation[]
195          {".txt", 'TEXT', 'ttxt'},
196          {".rtf", 'TEXT', 'MSWD'},
197          {".c", 'TEXT', 'R*ch'},
198 +        {".C", 'TEXT', 'R*ch'},
199          {".cc", 'TEXT', 'R*ch'},
200          {".cpp", 'TEXT', 'R*ch'},
201          {".cxx", 'TEXT', 'R*ch'},
# Line 110 | Line 204 | static const ext2type e2t_translation[]
204          {".hpp", 'TEXT', 'R*ch'},
205          {".hxx", 'TEXT', 'R*ch'},
206          {".s", 'TEXT', 'R*ch'},
207 +        {".S", 'TEXT', 'R*ch'},
208          {".i", 'TEXT', 'R*ch'},
209          {".mpg", 'MPEG', 'TVOD'},
210          {".mpeg", 'MPEG', 'TVOD'},
# Line 124 | Line 219 | void get_finder_type(const char *path, u
219          type = 0;
220          creator = 0;
221  
222 <        // Translate file name extension to MacOS type/creator
222 >        // Open Finder info file
223 >        int fd = open_finf(path, O_RDONLY);
224 >        if (fd >= 0) {
225 >
226 >                // Read file
227 >                finf_struct finf;
228 >                if (read(fd, &finf, sizeof(finf_struct)) == sizeof(finf_struct)) {
229 >
230 >                        // Type/creator are in Finder info file, return them
231 >                        type = ntohl(finf.type);
232 >                        creator = ntohl(finf.creator);
233 >                        close(fd);
234 >                        return;
235 >                }
236 >                close(fd);
237 >        }
238 >
239 >        // No Finder info file, translate file name extension to MacOS type/creator
240          int path_len = strlen(path);
241          for (int i=0; e2t_translation[i].ext; i++) {
242                  int ext_len = strlen(e2t_translation[i].ext);
# Line 140 | Line 252 | void get_finder_type(const char *path, u
252  
253   void set_finder_type(const char *path, uint32 type, uint32 creator)
254   {
255 +        // Open Finder info file
256 +        int fd = open_finf(path, O_RDWR);
257 +        if (fd < 0)
258 +                return;
259 +
260 +        // Read file
261 +        finf_struct finf = {0, 0, DEFAULT_FINDER_FLAGS};
262 +        read(fd, &finf, sizeof(finf_struct));
263 +
264 +        // Set Finder flags
265 +        finf.type = htonl(type);
266 +        finf.creator = htonl(creator);
267 +
268 +        // Update file
269 +        lseek(fd, 0, SEEK_SET);
270 +        write(fd, &finf, sizeof(finf_struct));
271 +        close(fd);
272   }
273  
274  
275   /*
276 < *  Get/set finder flags for file/dir specified by full path (MACOS:HFS_FLAGS attribute)
276 > *  Get/set finder flags for file/dir specified by full path
277   */
278  
279   void get_finder_flags(const char *path, uint16 &flags)
280   {
281          flags = DEFAULT_FINDER_FLAGS;   // Default
282 +
283 +        // Open Finder info file
284 +        int fd = open_finf(path, O_RDONLY);
285 +        if (fd < 0)
286 +                return;
287 +
288 +        // Read Finder flags
289 +        finf_struct finf;
290 +        if (read(fd, &finf, sizeof(finf_struct)) == sizeof(finf_struct))
291 +                flags = ntohs(finf.flags);
292 +
293 +        // Close file
294 +        close(fd);
295   }
296  
297   void set_finder_flags(const char *path, uint16 flags)
298   {
299 +        // Open Finder info file
300 +        int fd = open_finf(path, O_RDWR);
301 +        if (fd < 0)
302 +                return;
303 +
304 +        // Read file
305 +        finf_struct finf = {0, 0, DEFAULT_FINDER_FLAGS};
306 +        read(fd, &finf, sizeof(finf_struct));
307 +
308 +        // Set Finder flags
309 +        finf.flags = htons(flags);
310 +
311 +        // Update file
312 +        lseek(fd, 0, SEEK_SET);
313 +        write(fd, &finf, sizeof(finf_struct));
314 +        close(fd);
315   }
316  
317  
# Line 163 | Line 321 | void set_finder_flags(const char *path,
321  
322   uint32 get_rfork_size(const char *path)
323   {
324 <        return 0;
324 >        // Open resource file
325 >        int fd = open_rsrc(path, O_RDONLY);
326 >        if (fd < 0)
327 >                return 0;
328 >
329 >        // Get size
330 >        off_t size = lseek(fd, 0, SEEK_END);
331 >        
332 >        // Close file and return size
333 >        close(fd);
334 >        return size < 0 ? 0 : size;
335   }
336  
337   int open_rfork(const char *path, int flag)
338   {
339 <        return -1;
339 >        return open_rsrc(path, flag);
340   }
341  
342   void close_rfork(const char *path, int fd)
343   {
344 +        close(fd);
345   }
346  
347  

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines