2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.5 1994-08-18 11:02:28 adam
8 * Implementation of res_write.
10 * Revision 1.4 1994/08/18 10:02:01 adam
11 * Module alexpath moved from res.c to alexpath.c. Minor changes in res-test.c
13 * Revision 1.3 1994/08/18 09:43:51 adam
14 * Development of resource manager. Only missing is res_write.
16 * Revision 1.2 1994/08/18 08:23:26 adam
17 * Res.c now use handles. xmalloc defines xstrdup.
19 * Revision 1.1 1994/08/17 15:34:23 adam
20 * Initial version of resource manager.
29 static struct res_entry *add_entry (Res r)
31 struct res_entry *resp;
34 resp = r->last = r->first = xmalloc (sizeof(*resp));
37 resp = xmalloc (sizeof(*resp));
45 static void reread (Res r)
47 struct res_entry *resp;
50 int val_size, val_max = 256;
57 val_buf = xmalloc (val_max);
59 strcpy (path, alex_path(r->name));
61 fr = fopen (path, "r");
64 log (LOG_FATAL|LOG_ERRNO, "cannot open %s", path);
69 line = fgets (fr_buf, 1023, fr);
76 while (fr_buf[no] && fr_buf[no] != '\n')
81 resp->name = xmalloc (no+1);
83 strcpy (resp->name, fr_buf);
90 if (fr_buf[no] == 0 || fr_buf[no] == '\n' )
95 if (fr_buf[no] == ':')
102 resp = add_entry (r);
103 resp->name = xmalloc (no);
104 strcpy (resp->name, fr_buf);
106 while (fr_buf[no] == ' ')
111 if (fr_buf[no] == '\0' || fr_buf[no] == '\n')
113 val_buf[val_size++] = '\0';
114 resp->value = xmalloc (val_size);
115 strcpy (resp->value, val_buf);
116 log (LOG_DEBUG, "(name=%s,value=%s)",
117 resp->name, resp->value);
120 else if (fr_buf[no] == '\\' && fr_buf[no+1] == '\n')
122 line = fgets (fr_buf, 1023, fr);
125 resp->value = xmalloc (val_size);
126 strcpy (resp->value, val_buf);
133 val_buf[val_size++] = fr_buf[no++];
134 if (val_size+1 >= val_max)
138 nb = xmalloc (val_max+=1024);
139 memcpy (nb, val_buf, val_size);
151 Res res_open (const char *name)
153 Res r = xmalloc (sizeof(*r));
155 r->name = xstrdup (name);
159 void res_close (Res r)
163 struct res_entry *re, *re1;
164 for (re = r->first; re; re=re1)
177 const char *res_get (Res r, const char *name)
179 struct res_entry *re;
183 for (re = r->first; re; re=re->next)
184 if (re->value && !strcmp (re->name, name))
189 void res_put (Res r, const char *name, const char *value)
191 struct res_entry *re;
195 for (re = r->first; re; re=re->next)
196 if (re->value && !strcmp (re->name, name))
199 re->value = xstrdup (value);
203 re->name = xstrdup (name);
204 re->value = xstrdup (value);
207 void res_trav (Res r, const char *prefix,
208 void (*f)(const char *name, const char *value))
210 struct res_entry *re;
217 for (re = r->first; re; re=re->next)
219 if (l==0 || !memcmp (re->name, prefix, l))
220 (*f)(re->name, re->value);
224 int res_write (Res r)
226 struct res_entry *re;
232 strcpy (path, alex_path(r->name));
234 fr = fopen (path, "w");
237 log (LOG_FATAL|LOG_ERRNO, "cannot create %s", path);
241 for (re = r->first; re; re=re->next)
244 int lefts = strlen(re->name)+2;
247 fprintf (fr, "%s\n", re->name);
250 fprintf (fr, "%s: ", re->name);
251 while (lefts + strlen(re->value+no) > 78)
254 int ind = no+ 78-lefts;
257 if (re->value[ind] == ' ')
262 ind = no + 78 - lefts;
263 for (i = no; i != ind; i++)
264 putc (re->value[i], fr);
265 fprintf (fr, "\\\n");
269 fprintf (fr, "%s\n", re->value+no);