2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.18 1997-09-17 12:19:24 adam
8 * Zebra version corresponds to YAZ version 1.4.
9 * Changed Zebra server so that it doesn't depend on global common_resource.
11 * Revision 1.17 1997/09/09 13:38:19 adam
12 * Partial port to WIN95/NT.
14 * Revision 1.16 1996/10/29 13:47:49 adam
15 * Implemented res_get_match. Updated to use zebrautl instead of alexpath.
17 * Revision 1.15 1996/05/22 08:23:43 adam
18 * Bug fix: trailing blanks in resource values where not removed.
20 * Revision 1.14 1996/04/26 11:51:20 adam
21 * Resource names are matched by the yaz_matchstr routine instead of strcmp.
23 * Revision 1.13 1995/09/04 12:34:05 adam
24 * Various cleanup. YAZ util used instead.
26 * Revision 1.12 1995/01/24 16:40:32 adam
29 * Revision 1.11 1994/10/05 16:54:52 adam
32 * Revision 1.10 1994/10/05 10:47:31 adam
35 * Revision 1.9 1994/09/16 14:41:12 quinn
36 * Added log warning to res_get_def
38 * Revision 1.8 1994/09/16 14:37:12 quinn
41 * Revision 1.7 1994/09/06 13:01:03 quinn
42 * Removed const from declaration of res_get
44 * Revision 1.6 1994/09/01 17:45:14 adam
45 * Work on resource manager.
47 * Revision 1.5 1994/08/18 11:02:28 adam
48 * Implementation of res_write.
50 * Revision 1.4 1994/08/18 10:02:01 adam
51 * Module alexpath moved from res.c to alexpath.c. Minor changes in res-test.c
53 * Revision 1.3 1994/08/18 09:43:51 adam
54 * Development of resource manager. Only missing is res_write.
56 * Revision 1.2 1994/08/18 08:23:26 adam
57 * Res.c now use handles. xmalloc defines xstrdup.
59 * Revision 1.1 1994/08/17 15:34:23 adam
60 * Initial version of resource manager.
76 static struct res_entry *add_entry (Res r)
78 struct res_entry *resp;
81 resp = r->last = r->first = xmalloc (sizeof(*resp));
84 resp = xmalloc (sizeof(*resp));
92 static void reread (Res r)
94 struct res_entry *resp;
97 int val_size, val_max = 256;
104 val_buf = xmalloc (val_max);
106 fr = fopen (r->name, "r");
109 logf (LOG_FATAL|LOG_ERRNO, "Cannot open %s", r->name);
114 line = fgets (fr_buf, 1023, fr);
121 while (fr_buf[no] && fr_buf[no] != '\n')
125 resp = add_entry (r);
126 resp->name = xmalloc (no+1);
128 strcpy (resp->name, fr_buf);
135 if (fr_buf[no] == 0 || fr_buf[no] == '\n' )
140 if (fr_buf[no] == ':')
147 resp = add_entry (r);
148 resp->name = xmalloc (no);
149 strcpy (resp->name, fr_buf);
151 while (fr_buf[no] == ' ')
156 if (fr_buf[no] == '\0' || fr_buf[no] == '\n')
158 while (val_size > 0 &&
159 (val_buf[val_size-1] == ' ' ||
160 val_buf[val_size-1] == '\t'))
162 val_buf[val_size++] = '\0';
163 resp->value = xmalloc (val_size);
164 strcpy (resp->value, val_buf);
165 logf (LOG_DEBUG, "(name=%s,value=%s)",
166 resp->name, resp->value);
169 else if (fr_buf[no] == '\\' && fr_buf[no+1] == '\n')
171 line = fgets (fr_buf, 1023, fr);
174 resp->value = xmalloc (val_size);
175 strcpy (resp->value, val_buf);
182 val_buf[val_size++] = fr_buf[no++];
183 if (val_size+1 >= val_max)
187 nb = xmalloc (val_max+=1024);
188 memcpy (nb, val_buf, val_size);
200 Res res_open (const char *name)
204 if (access (name, 4))
206 if (access (name, R_OK))
208 logf (LOG_LOG|LOG_ERRNO, "Cannot access `%s'", name);
209 r = xmalloc (sizeof(*r));
211 r->first = r->last = NULL;
212 r->name = xstrdup (name);
216 void res_close (Res r)
221 struct res_entry *re, *re1;
222 for (re = r->first; re; re=re1)
235 char *res_get (Res r, const char *name)
237 struct res_entry *re;
242 for (re = r->first; re; re=re->next)
243 if (re->value && !yaz_matchstr (re->name, name))
248 char *res_get_def (Res r, const char *name, char *def)
252 if (!(t = res_get (r, name)))
254 logf (LOG_DEBUG, "CAUTION: Using default resource %s:%s", name, def);
261 int res_get_match (Res r, const char *name, const char *value, const char *s)
263 const char *cn = res_get (r, name);
265 if (cn && !yaz_matchstr (cn, value))
270 void res_put (Res r, const char *name, const char *value)
272 struct res_entry *re;
277 for (re = r->first; re; re=re->next)
278 if (re->value && !yaz_matchstr (re->name, name))
281 re->value = xstrdup (value);
285 re->name = xstrdup (name);
286 re->value = xstrdup (value);
289 void res_trav (Res r, const char *prefix, void *p,
290 void (*f)(void *p, const char *name, const char *value))
292 struct res_entry *re;
300 for (re = r->first; re; re=re->next)
302 if (l==0 || !memcmp (re->name, prefix, l))
303 (*f)(p, re->name, re->value);
307 int res_write (Res r)
309 struct res_entry *re;
315 fr = fopen (r->name, "w");
318 logf (LOG_FATAL|LOG_ERRNO, "Cannot create %s", r->name);
322 for (re = r->first; re; re=re->next)
325 int lefts = strlen(re->name)+2;
328 fprintf (fr, "%s\n", re->name);
331 fprintf (fr, "%s: ", re->name);
332 while (lefts + strlen(re->value+no) > 78)
335 int ind = no+ 78-lefts;
338 if (re->value[ind] == ' ')
343 ind = no + 78 - lefts;
344 for (i = no; i != ind; i++)
345 putc (re->value[i], fr);
346 fprintf (fr, "\\\n");
350 fprintf (fr, "%s\n", re->value+no);