2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.8 1994-09-16 14:37:12 quinn
10 * Revision 1.7 1994/09/06 13:01:03 quinn
11 * Removed const from declaration of res_get
13 * Revision 1.6 1994/09/01 17:45:14 adam
14 * Work on resource manager.
15 * CVS ----------------------------------------------------------------------
17 * Revision 1.5 1994/08/18 11:02:28 adam
18 * Implementation of res_write.
20 * Revision 1.4 1994/08/18 10:02:01 adam
21 * Module alexpath moved from res.c to alexpath.c. Minor changes in res-test.c
23 * Revision 1.3 1994/08/18 09:43:51 adam
24 * Development of resource manager. Only missing is res_write.
26 * Revision 1.2 1994/08/18 08:23:26 adam
27 * Res.c now use handles. xmalloc defines xstrdup.
29 * Revision 1.1 1994/08/17 15:34:23 adam
30 * Initial version of resource manager.
40 static struct res_entry *add_entry (Res r)
42 struct res_entry *resp;
45 resp = r->last = r->first = xmalloc (sizeof(*resp));
48 resp = xmalloc (sizeof(*resp));
56 static void reread (Res r)
58 struct res_entry *resp;
61 int val_size, val_max = 256;
69 val_buf = xmalloc (val_max);
71 strcpy (path, alex_path(r->name));
73 fr = fopen (path, "r");
76 log (LOG_FATAL|LOG_ERRNO, "cannot open %s", path);
81 line = fgets (fr_buf, 1023, fr);
88 while (fr_buf[no] && fr_buf[no] != '\n')
93 resp->name = xmalloc (no+1);
95 strcpy (resp->name, fr_buf);
102 if (fr_buf[no] == 0 || fr_buf[no] == '\n' )
107 if (fr_buf[no] == ':')
114 resp = add_entry (r);
115 resp->name = xmalloc (no);
116 strcpy (resp->name, fr_buf);
118 while (fr_buf[no] == ' ')
123 if (fr_buf[no] == '\0' || fr_buf[no] == '\n')
125 val_buf[val_size++] = '\0';
126 resp->value = xmalloc (val_size);
127 strcpy (resp->value, val_buf);
128 log (LOG_DEBUG, "(name=%s,value=%s)",
129 resp->name, resp->value);
132 else if (fr_buf[no] == '\\' && fr_buf[no+1] == '\n')
134 line = fgets (fr_buf, 1023, fr);
137 resp->value = xmalloc (val_size);
138 strcpy (resp->value, val_buf);
145 val_buf[val_size++] = fr_buf[no++];
146 if (val_size+1 >= val_max)
150 nb = xmalloc (val_max+=1024);
151 memcpy (nb, val_buf, val_size);
163 Res res_open (const char *name)
166 if (access (name, R_OK))
168 log (LOG_LOG|LOG_ERRNO, "cannot access `%s'", name);
171 r = xmalloc (sizeof(*r));
173 r->name = xstrdup (name);
177 void res_close (Res r)
182 struct res_entry *re, *re1;
183 for (re = r->first; re; re=re1)
196 char *res_get (Res r, const char *name)
198 struct res_entry *re;
203 for (re = r->first; re; re=re->next)
204 if (re->value && !strcmp (re->name, name))
209 char *res_get_def (Res r, const char *name, char *def)
213 if (!(t = res_get (r, name)))
219 void res_put (Res r, const char *name, const char *value)
221 struct res_entry *re;
226 for (re = r->first; re; re=re->next)
227 if (re->value && !strcmp (re->name, name))
230 re->value = xstrdup (value);
234 re->name = xstrdup (name);
235 re->value = xstrdup (value);
238 void res_trav (Res r, const char *prefix,
239 void (*f)(const char *name, const char *value))
241 struct res_entry *re;
249 for (re = r->first; re; re=re->next)
251 if (l==0 || !memcmp (re->name, prefix, l))
252 (*f)(re->name, re->value);
256 int res_write (Res r)
258 struct res_entry *re;
265 strcpy (path, alex_path(r->name));
267 fr = fopen (path, "w");
270 log (LOG_FATAL|LOG_ERRNO, "cannot create %s", path);
274 for (re = r->first; re; re=re->next)
277 int lefts = strlen(re->name)+2;
280 fprintf (fr, "%s\n", re->name);
283 fprintf (fr, "%s: ", re->name);
284 while (lefts + strlen(re->value+no) > 78)
287 int ind = no+ 78-lefts;
290 if (re->value[ind] == ' ')
295 ind = no + 78 - lefts;
296 for (i = no; i != ind; i++)
297 putc (re->value[i], fr);
298 fprintf (fr, "\\\n");
302 fprintf (fr, "%s\n", re->value+no);