2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.12 1995-01-24 16:40:32 adam
10 * Revision 1.11 1994/10/05 16:54:52 adam
13 * Revision 1.10 1994/10/05 10:47:31 adam
16 * Revision 1.9 1994/09/16 14:41:12 quinn
17 * Added log warning to res_get_def
19 * Revision 1.8 1994/09/16 14:37:12 quinn
22 * Revision 1.7 1994/09/06 13:01:03 quinn
23 * Removed const from declaration of res_get
25 * Revision 1.6 1994/09/01 17:45:14 adam
26 * Work on resource manager.
28 * Revision 1.5 1994/08/18 11:02:28 adam
29 * Implementation of res_write.
31 * Revision 1.4 1994/08/18 10:02:01 adam
32 * Module alexpath moved from res.c to alexpath.c. Minor changes in res-test.c
34 * Revision 1.3 1994/08/18 09:43:51 adam
35 * Development of resource manager. Only missing is res_write.
37 * Revision 1.2 1994/08/18 08:23:26 adam
38 * Res.c now use handles. xmalloc defines xstrdup.
40 * Revision 1.1 1994/08/17 15:34:23 adam
41 * Initial version of resource manager.
51 static struct res_entry *add_entry (Res r)
53 struct res_entry *resp;
56 resp = r->last = r->first = xmalloc (sizeof(*resp));
59 resp = xmalloc (sizeof(*resp));
67 static void reread (Res r)
69 struct res_entry *resp;
72 int val_size, val_max = 256;
80 val_buf = xmalloc (val_max);
82 strcpy (path, alex_path(r->name));
84 fr = fopen (path, "r");
87 log (LOG_FATAL|LOG_ERRNO, "Cannot open %s", path);
92 line = fgets (fr_buf, 1023, fr);
99 while (fr_buf[no] && fr_buf[no] != '\n')
103 resp = add_entry (r);
104 resp->name = xmalloc (no+1);
106 strcpy (resp->name, fr_buf);
113 if (fr_buf[no] == 0 || fr_buf[no] == '\n' )
118 if (fr_buf[no] == ':')
125 resp = add_entry (r);
126 resp->name = xmalloc (no);
127 strcpy (resp->name, fr_buf);
129 while (fr_buf[no] == ' ')
134 if (fr_buf[no] == '\0' || fr_buf[no] == '\n')
136 val_buf[val_size++] = '\0';
137 resp->value = xmalloc (val_size);
138 strcpy (resp->value, val_buf);
139 log (LOG_DEBUG, "(name=%s,value=%s)",
140 resp->name, resp->value);
143 else if (fr_buf[no] == '\\' && fr_buf[no+1] == '\n')
145 line = fgets (fr_buf, 1023, fr);
148 resp->value = xmalloc (val_size);
149 strcpy (resp->value, val_buf);
156 val_buf[val_size++] = fr_buf[no++];
157 if (val_size+1 >= val_max)
161 nb = xmalloc (val_max+=1024);
162 memcpy (nb, val_buf, val_size);
174 Res res_open (const char *name)
177 if (access (name, R_OK))
178 log (LOG_LOG|LOG_ERRNO, "Cannot access `%s'", name);
179 r = xmalloc (sizeof(*r));
181 r->first = r->last = NULL;
182 r->name = xstrdup (name);
186 void res_close (Res r)
191 struct res_entry *re, *re1;
192 for (re = r->first; re; re=re1)
205 char *res_get (Res r, const char *name)
207 struct res_entry *re;
212 for (re = r->first; re; re=re->next)
213 if (re->value && !strcmp (re->name, name))
218 char *res_get_def (Res r, const char *name, char *def)
222 if (!(t = res_get (r, name)))
224 log(LOG_DEBUG, "CAUTION: Using default resource %s:%s", name, def);
231 void res_put (Res r, const char *name, const char *value)
233 struct res_entry *re;
238 for (re = r->first; re; re=re->next)
239 if (re->value && !strcmp (re->name, name))
242 re->value = xstrdup (value);
246 re->name = xstrdup (name);
247 re->value = xstrdup (value);
250 void res_trav (Res r, const char *prefix,
251 void (*f)(const char *name, const char *value))
253 struct res_entry *re;
261 for (re = r->first; re; re=re->next)
263 if (l==0 || !memcmp (re->name, prefix, l))
264 (*f)(re->name, re->value);
268 int res_write (Res r)
270 struct res_entry *re;
277 strcpy (path, alex_path(r->name));
279 fr = fopen (path, "w");
282 log (LOG_FATAL|LOG_ERRNO, "Cannot create %s", path);
286 for (re = r->first; re; re=re->next)
289 int lefts = strlen(re->name)+2;
292 fprintf (fr, "%s\n", re->name);
295 fprintf (fr, "%s: ", re->name);
296 while (lefts + strlen(re->value+no) > 78)
299 int ind = no+ 78-lefts;
302 if (re->value[ind] == ' ')
307 ind = no + 78 - lefts;
308 for (i = no; i != ind; i++)
309 putc (re->value[i], fr);
310 fprintf (fr, "\\\n");
314 fprintf (fr, "%s\n", re->value+no);