2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.6 1994-09-01 17:45:14 adam
8 * Work on resource manager.
9 * CVS ----------------------------------------------------------------------
11 * Revision 1.5 1994/08/18 11:02:28 adam
12 * Implementation of res_write.
14 * Revision 1.4 1994/08/18 10:02:01 adam
15 * Module alexpath moved from res.c to alexpath.c. Minor changes in res-test.c
17 * Revision 1.3 1994/08/18 09:43:51 adam
18 * Development of resource manager. Only missing is res_write.
20 * Revision 1.2 1994/08/18 08:23:26 adam
21 * Res.c now use handles. xmalloc defines xstrdup.
23 * Revision 1.1 1994/08/17 15:34:23 adam
24 * Initial version of resource manager.
34 static struct res_entry *add_entry (Res r)
36 struct res_entry *resp;
39 resp = r->last = r->first = xmalloc (sizeof(*resp));
42 resp = xmalloc (sizeof(*resp));
50 static void reread (Res r)
52 struct res_entry *resp;
55 int val_size, val_max = 256;
63 val_buf = xmalloc (val_max);
65 strcpy (path, alex_path(r->name));
67 fr = fopen (path, "r");
70 log (LOG_FATAL|LOG_ERRNO, "cannot open %s", path);
75 line = fgets (fr_buf, 1023, fr);
82 while (fr_buf[no] && fr_buf[no] != '\n')
87 resp->name = xmalloc (no+1);
89 strcpy (resp->name, fr_buf);
96 if (fr_buf[no] == 0 || fr_buf[no] == '\n' )
101 if (fr_buf[no] == ':')
108 resp = add_entry (r);
109 resp->name = xmalloc (no);
110 strcpy (resp->name, fr_buf);
112 while (fr_buf[no] == ' ')
117 if (fr_buf[no] == '\0' || fr_buf[no] == '\n')
119 val_buf[val_size++] = '\0';
120 resp->value = xmalloc (val_size);
121 strcpy (resp->value, val_buf);
122 log (LOG_DEBUG, "(name=%s,value=%s)",
123 resp->name, resp->value);
126 else if (fr_buf[no] == '\\' && fr_buf[no+1] == '\n')
128 line = fgets (fr_buf, 1023, fr);
131 resp->value = xmalloc (val_size);
132 strcpy (resp->value, val_buf);
139 val_buf[val_size++] = fr_buf[no++];
140 if (val_size+1 >= val_max)
144 nb = xmalloc (val_max+=1024);
145 memcpy (nb, val_buf, val_size);
157 Res res_open (const char *name)
160 if (access (name, R_OK))
162 log (LOG_LOG|LOG_ERRNO, "cannot access `%s'", name);
165 r = xmalloc (sizeof(*r));
167 r->name = xstrdup (name);
171 void res_close (Res r)
176 struct res_entry *re, *re1;
177 for (re = r->first; re; re=re1)
190 const char *res_get (Res r, const char *name)
192 struct res_entry *re;
197 for (re = r->first; re; re=re->next)
198 if (re->value && !strcmp (re->name, name))
203 void res_put (Res r, const char *name, const char *value)
205 struct res_entry *re;
210 for (re = r->first; re; re=re->next)
211 if (re->value && !strcmp (re->name, name))
214 re->value = xstrdup (value);
218 re->name = xstrdup (name);
219 re->value = xstrdup (value);
222 void res_trav (Res r, const char *prefix,
223 void (*f)(const char *name, const char *value))
225 struct res_entry *re;
233 for (re = r->first; re; re=re->next)
235 if (l==0 || !memcmp (re->name, prefix, l))
236 (*f)(re->name, re->value);
240 int res_write (Res r)
242 struct res_entry *re;
249 strcpy (path, alex_path(r->name));
251 fr = fopen (path, "w");
254 log (LOG_FATAL|LOG_ERRNO, "cannot create %s", path);
258 for (re = r->first; re; re=re->next)
261 int lefts = strlen(re->name)+2;
264 fprintf (fr, "%s\n", re->name);
267 fprintf (fr, "%s: ", re->name);
268 while (lefts + strlen(re->value+no) > 78)
271 int ind = no+ 78-lefts;
274 if (re->value[ind] == ' ')
279 ind = no + 78 - lefts;
280 for (i = no; i != ind; i++)
281 putc (re->value[i], fr);
282 fprintf (fr, "\\\n");
286 fprintf (fr, "%s\n", re->value+no);