2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.11 1994-10-05 16:54:52 adam
10 * Revision 1.10 1994/10/05 10:47:31 adam
13 * Revision 1.9 1994/09/16 14:41:12 quinn
14 * Added log warning to res_get_def
16 * Revision 1.8 1994/09/16 14:37:12 quinn
19 * Revision 1.7 1994/09/06 13:01:03 quinn
20 * Removed const from declaration of res_get
22 * Revision 1.6 1994/09/01 17:45:14 adam
23 * Work on resource manager.
25 * Revision 1.5 1994/08/18 11:02:28 adam
26 * Implementation of res_write.
28 * Revision 1.4 1994/08/18 10:02:01 adam
29 * Module alexpath moved from res.c to alexpath.c. Minor changes in res-test.c
31 * Revision 1.3 1994/08/18 09:43:51 adam
32 * Development of resource manager. Only missing is res_write.
34 * Revision 1.2 1994/08/18 08:23:26 adam
35 * Res.c now use handles. xmalloc defines xstrdup.
37 * Revision 1.1 1994/08/17 15:34:23 adam
38 * Initial version of resource manager.
48 static struct res_entry *add_entry (Res r)
50 struct res_entry *resp;
53 resp = r->last = r->first = xmalloc (sizeof(*resp));
56 resp = xmalloc (sizeof(*resp));
64 static void reread (Res r)
66 struct res_entry *resp;
69 int val_size, val_max = 256;
77 val_buf = xmalloc (val_max);
79 strcpy (path, alex_path(r->name));
81 fr = fopen (path, "r");
84 log (LOG_FATAL|LOG_ERRNO, "Cannot open %s", path);
89 line = fgets (fr_buf, 1023, fr);
96 while (fr_buf[no] && fr_buf[no] != '\n')
100 resp = add_entry (r);
101 resp->name = xmalloc (no+1);
103 strcpy (resp->name, fr_buf);
110 if (fr_buf[no] == 0 || fr_buf[no] == '\n' )
115 if (fr_buf[no] == ':')
122 resp = add_entry (r);
123 resp->name = xmalloc (no);
124 strcpy (resp->name, fr_buf);
126 while (fr_buf[no] == ' ')
131 if (fr_buf[no] == '\0' || fr_buf[no] == '\n')
133 val_buf[val_size++] = '\0';
134 resp->value = xmalloc (val_size);
135 strcpy (resp->value, val_buf);
136 log (LOG_DEBUG, "(name=%s,value=%s)",
137 resp->name, resp->value);
140 else if (fr_buf[no] == '\\' && fr_buf[no+1] == '\n')
142 line = fgets (fr_buf, 1023, fr);
145 resp->value = xmalloc (val_size);
146 strcpy (resp->value, val_buf);
153 val_buf[val_size++] = fr_buf[no++];
154 if (val_size+1 >= val_max)
158 nb = xmalloc (val_max+=1024);
159 memcpy (nb, val_buf, val_size);
171 Res res_open (const char *name)
174 if (access (name, R_OK))
175 log (LOG_LOG|LOG_ERRNO, "Cannot access `%s'", name);
176 r = xmalloc (sizeof(*r));
178 r->name = xstrdup (name);
182 void res_close (Res r)
187 struct res_entry *re, *re1;
188 for (re = r->first; re; re=re1)
201 char *res_get (Res r, const char *name)
203 struct res_entry *re;
208 for (re = r->first; re; re=re->next)
209 if (re->value && !strcmp (re->name, name))
214 char *res_get_def (Res r, const char *name, char *def)
218 if (!(t = res_get (r, name)))
220 log(LOG_DEBUG, "CAUTION: Using default resource %s:%s", name, def);
227 void res_put (Res r, const char *name, const char *value)
229 struct res_entry *re;
234 for (re = r->first; re; re=re->next)
235 if (re->value && !strcmp (re->name, name))
238 re->value = xstrdup (value);
242 re->name = xstrdup (name);
243 re->value = xstrdup (value);
246 void res_trav (Res r, const char *prefix,
247 void (*f)(const char *name, const char *value))
249 struct res_entry *re;
257 for (re = r->first; re; re=re->next)
259 if (l==0 || !memcmp (re->name, prefix, l))
260 (*f)(re->name, re->value);
264 int res_write (Res r)
266 struct res_entry *re;
273 strcpy (path, alex_path(r->name));
275 fr = fopen (path, "w");
278 log (LOG_FATAL|LOG_ERRNO, "Cannot create %s", path);
282 for (re = r->first; re; re=re->next)
285 int lefts = strlen(re->name)+2;
288 fprintf (fr, "%s\n", re->name);
291 fprintf (fr, "%s: ", re->name);
292 while (lefts + strlen(re->value+no) > 78)
295 int ind = no+ 78-lefts;
298 if (re->value[ind] == ' ')
303 ind = no + 78 - lefts;
304 for (i = no; i != ind; i++)
305 putc (re->value[i], fr);
306 fprintf (fr, "\\\n");
310 fprintf (fr, "%s\n", re->value+no);