2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.7 1994-09-06 13:01:03 quinn
8 * Removed const from declaration of res_get
10 * Revision 1.6 1994/09/01 17:45:14 adam
11 * Work on resource manager.
12 * CVS ----------------------------------------------------------------------
14 * Revision 1.5 1994/08/18 11:02:28 adam
15 * Implementation of res_write.
17 * Revision 1.4 1994/08/18 10:02:01 adam
18 * Module alexpath moved from res.c to alexpath.c. Minor changes in res-test.c
20 * Revision 1.3 1994/08/18 09:43:51 adam
21 * Development of resource manager. Only missing is res_write.
23 * Revision 1.2 1994/08/18 08:23:26 adam
24 * Res.c now use handles. xmalloc defines xstrdup.
26 * Revision 1.1 1994/08/17 15:34:23 adam
27 * Initial version of resource manager.
37 static struct res_entry *add_entry (Res r)
39 struct res_entry *resp;
42 resp = r->last = r->first = xmalloc (sizeof(*resp));
45 resp = xmalloc (sizeof(*resp));
53 static void reread (Res r)
55 struct res_entry *resp;
58 int val_size, val_max = 256;
66 val_buf = xmalloc (val_max);
68 strcpy (path, alex_path(r->name));
70 fr = fopen (path, "r");
73 log (LOG_FATAL|LOG_ERRNO, "cannot open %s", path);
78 line = fgets (fr_buf, 1023, fr);
85 while (fr_buf[no] && fr_buf[no] != '\n')
90 resp->name = xmalloc (no+1);
92 strcpy (resp->name, fr_buf);
99 if (fr_buf[no] == 0 || fr_buf[no] == '\n' )
104 if (fr_buf[no] == ':')
111 resp = add_entry (r);
112 resp->name = xmalloc (no);
113 strcpy (resp->name, fr_buf);
115 while (fr_buf[no] == ' ')
120 if (fr_buf[no] == '\0' || fr_buf[no] == '\n')
122 val_buf[val_size++] = '\0';
123 resp->value = xmalloc (val_size);
124 strcpy (resp->value, val_buf);
125 log (LOG_DEBUG, "(name=%s,value=%s)",
126 resp->name, resp->value);
129 else if (fr_buf[no] == '\\' && fr_buf[no+1] == '\n')
131 line = fgets (fr_buf, 1023, fr);
134 resp->value = xmalloc (val_size);
135 strcpy (resp->value, val_buf);
142 val_buf[val_size++] = fr_buf[no++];
143 if (val_size+1 >= val_max)
147 nb = xmalloc (val_max+=1024);
148 memcpy (nb, val_buf, val_size);
160 Res res_open (const char *name)
163 if (access (name, R_OK))
165 log (LOG_LOG|LOG_ERRNO, "cannot access `%s'", name);
168 r = xmalloc (sizeof(*r));
170 r->name = xstrdup (name);
174 void res_close (Res r)
179 struct res_entry *re, *re1;
180 for (re = r->first; re; re=re1)
193 char *res_get (Res r, const char *name)
195 struct res_entry *re;
200 for (re = r->first; re; re=re->next)
201 if (re->value && !strcmp (re->name, name))
206 void res_put (Res r, const char *name, const char *value)
208 struct res_entry *re;
213 for (re = r->first; re; re=re->next)
214 if (re->value && !strcmp (re->name, name))
217 re->value = xstrdup (value);
221 re->name = xstrdup (name);
222 re->value = xstrdup (value);
225 void res_trav (Res r, const char *prefix,
226 void (*f)(const char *name, const char *value))
228 struct res_entry *re;
236 for (re = r->first; re; re=re->next)
238 if (l==0 || !memcmp (re->name, prefix, l))
239 (*f)(re->name, re->value);
243 int res_write (Res r)
245 struct res_entry *re;
252 strcpy (path, alex_path(r->name));
254 fr = fopen (path, "w");
257 log (LOG_FATAL|LOG_ERRNO, "cannot create %s", path);
261 for (re = r->first; re; re=re->next)
264 int lefts = strlen(re->name)+2;
267 fprintf (fr, "%s\n", re->name);
270 fprintf (fr, "%s: ", re->name);
271 while (lefts + strlen(re->value+no) > 78)
274 int ind = no+ 78-lefts;
277 if (re->value[ind] == ' ')
282 ind = no + 78 - lefts;
283 for (i = no; i != ind; i++)
284 putc (re->value[i], fr);
285 fprintf (fr, "\\\n");
289 fprintf (fr, "%s\n", re->value+no);