2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.10 1994-10-05 10:47:31 adam
10 * Revision 1.9 1994/09/16 14:41:12 quinn
11 * Added log warning to res_get_def
13 * Revision 1.8 1994/09/16 14:37:12 quinn
16 * Revision 1.7 1994/09/06 13:01:03 quinn
17 * Removed const from declaration of res_get
19 * Revision 1.6 1994/09/01 17:45:14 adam
20 * Work on resource manager.
21 * CVS ----------------------------------------------------------------------
23 * Revision 1.5 1994/08/18 11:02:28 adam
24 * Implementation of res_write.
26 * Revision 1.4 1994/08/18 10:02:01 adam
27 * Module alexpath moved from res.c to alexpath.c. Minor changes in res-test.c
29 * Revision 1.3 1994/08/18 09:43:51 adam
30 * Development of resource manager. Only missing is res_write.
32 * Revision 1.2 1994/08/18 08:23:26 adam
33 * Res.c now use handles. xmalloc defines xstrdup.
35 * Revision 1.1 1994/08/17 15:34:23 adam
36 * Initial version of resource manager.
46 static struct res_entry *add_entry (Res r)
48 struct res_entry *resp;
51 resp = r->last = r->first = xmalloc (sizeof(*resp));
54 resp = xmalloc (sizeof(*resp));
62 static void reread (Res r)
64 struct res_entry *resp;
67 int val_size, val_max = 256;
75 val_buf = xmalloc (val_max);
77 strcpy (path, alex_path(r->name));
79 fr = fopen (path, "r");
82 log (LOG_FATAL|LOG_ERRNO, "cannot open %s", path);
87 line = fgets (fr_buf, 1023, fr);
94 while (fr_buf[no] && fr_buf[no] != '\n')
99 resp->name = xmalloc (no+1);
101 strcpy (resp->name, fr_buf);
108 if (fr_buf[no] == 0 || fr_buf[no] == '\n' )
113 if (fr_buf[no] == ':')
120 resp = add_entry (r);
121 resp->name = xmalloc (no);
122 strcpy (resp->name, fr_buf);
124 while (fr_buf[no] == ' ')
129 if (fr_buf[no] == '\0' || fr_buf[no] == '\n')
131 val_buf[val_size++] = '\0';
132 resp->value = xmalloc (val_size);
133 strcpy (resp->value, val_buf);
134 log (LOG_DEBUG, "(name=%s,value=%s)",
135 resp->name, resp->value);
138 else if (fr_buf[no] == '\\' && fr_buf[no+1] == '\n')
140 line = fgets (fr_buf, 1023, fr);
143 resp->value = xmalloc (val_size);
144 strcpy (resp->value, val_buf);
151 val_buf[val_size++] = fr_buf[no++];
152 if (val_size+1 >= val_max)
156 nb = xmalloc (val_max+=1024);
157 memcpy (nb, val_buf, val_size);
169 Res res_open (const char *name)
172 if (access (name, R_OK))
173 log (LOG_LOG|LOG_ERRNO, "cannot access `%s'", name);
174 r = xmalloc (sizeof(*r));
176 r->name = xstrdup (name);
180 void res_close (Res r)
185 struct res_entry *re, *re1;
186 for (re = r->first; re; re=re1)
199 char *res_get (Res r, const char *name)
201 struct res_entry *re;
206 for (re = r->first; re; re=re->next)
207 if (re->value && !strcmp (re->name, name))
212 char *res_get_def (Res r, const char *name, char *def)
216 if (!(t = res_get (r, name)))
218 log(LOG_DEBUG, "CAUTION: Using default resource %s:%s", name, def);
225 void res_put (Res r, const char *name, const char *value)
227 struct res_entry *re;
232 for (re = r->first; re; re=re->next)
233 if (re->value && !strcmp (re->name, name))
236 re->value = xstrdup (value);
240 re->name = xstrdup (name);
241 re->value = xstrdup (value);
244 void res_trav (Res r, const char *prefix,
245 void (*f)(const char *name, const char *value))
247 struct res_entry *re;
255 for (re = r->first; re; re=re->next)
257 if (l==0 || !memcmp (re->name, prefix, l))
258 (*f)(re->name, re->value);
262 int res_write (Res r)
264 struct res_entry *re;
271 strcpy (path, alex_path(r->name));
273 fr = fopen (path, "w");
276 log (LOG_FATAL|LOG_ERRNO, "cannot create %s", path);
280 for (re = r->first; re; re=re->next)
283 int lefts = strlen(re->name)+2;
286 fprintf (fr, "%s\n", re->name);
289 fprintf (fr, "%s: ", re->name);
290 while (lefts + strlen(re->value+no) > 78)
293 int ind = no+ 78-lefts;
296 if (re->value[ind] == ' ')
301 ind = no + 78 - lefts;
302 for (i = no; i != ind; i++)
303 putc (re->value[i], fr);
304 fprintf (fr, "\\\n");
308 fprintf (fr, "%s\n", re->value+no);