2 * Copyright (C) 1994-1999, Index Data
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.28 2000-12-01 17:59:08 adam
8 * Fixed bug regarding online updates on WIN32.
9 * When zebra.cfg is not available the server will not abort.
11 * Revision 1.27 1999/11/30 13:48:04 adam
12 * Improved installation. Updated for inclusion of YAZ header files.
14 * Revision 1.26 1999/10/07 09:48:36 adam
15 * Allow res_get / res_get_def with NULL res.
17 * Revision 1.25 1999/05/26 07:49:14 adam
20 * Revision 1.24 1999/02/02 14:51:42 adam
21 * Updated WIN32 code specific sections. Changed header.
23 * Revision 1.23 1998/10/28 15:18:55 adam
24 * Fix for DOS-formatted configuration files.
26 * Revision 1.22 1998/01/12 15:04:32 adam
27 * Removed exit - call.
29 * Revision 1.21 1997/11/18 10:04:03 adam
30 * Function res_trav returns number of 'hits'.
32 * Revision 1.20 1997/10/31 12:39:15 adam
33 * Resouce name can be terminated with either white-space or colon.
35 * Revision 1.19 1997/10/27 14:27:59 adam
38 * Revision 1.18 1997/09/17 12:19:24 adam
39 * Zebra version corresponds to YAZ version 1.4.
40 * Changed Zebra server so that it doesn't depend on global common_resource.
42 * Revision 1.17 1997/09/09 13:38:19 adam
43 * Partial port to WIN95/NT.
45 * Revision 1.16 1996/10/29 13:47:49 adam
46 * Implemented res_get_match. Updated to use zebrautl instead of alexpath.
48 * Revision 1.15 1996/05/22 08:23:43 adam
49 * Bug fix: trailing blanks in resource values where not removed.
51 * Revision 1.14 1996/04/26 11:51:20 adam
52 * Resource names are matched by the yaz_matchstr routine instead of strcmp.
54 * Revision 1.13 1995/09/04 12:34:05 adam
55 * Various cleanup. YAZ util used instead.
57 * Revision 1.12 1995/01/24 16:40:32 adam
60 * Revision 1.11 1994/10/05 16:54:52 adam
63 * Revision 1.10 1994/10/05 10:47:31 adam
66 * Revision 1.9 1994/09/16 14:41:12 quinn
67 * Added log warning to res_get_def
69 * Revision 1.8 1994/09/16 14:37:12 quinn
72 * Revision 1.7 1994/09/06 13:01:03 quinn
73 * Removed const from declaration of res_get
75 * Revision 1.6 1994/09/01 17:45:14 adam
76 * Work on resource manager.
78 * Revision 1.5 1994/08/18 11:02:28 adam
79 * Implementation of res_write.
81 * Revision 1.4 1994/08/18 10:02:01 adam
82 * Module alexpath moved from res.c to alexpath.c. Minor changes in res-test.c
84 * Revision 1.3 1994/08/18 09:43:51 adam
85 * Development of resource manager. Only missing is res_write.
87 * Revision 1.2 1994/08/18 08:23:26 adam
88 * Res.c now use handles. xmalloc defines xstrdup.
90 * Revision 1.1 1994/08/17 15:34:23 adam
91 * Initial version of resource manager.
104 #include <zebrautl.h>
105 #include <yaz/yaz-util.h>
107 static struct res_entry *add_entry (Res r)
109 struct res_entry *resp;
112 resp = r->last = r->first =
113 (struct res_entry *) xmalloc (sizeof(*resp));
116 resp = (struct res_entry *) xmalloc (sizeof(*resp));
117 r->last->next = resp;
124 static void reread (Res r)
126 struct res_entry *resp;
129 int val_size, val_max = 256;
136 val_buf = (char*) xmalloc (val_max);
138 fr = fopen (r->name, "r");
141 logf (LOG_WARN|LOG_ERRNO, "Cannot open %s", r->name);
146 line = fgets (fr_buf, sizeof(fr_buf)-1, fr);
153 while (fr_buf[no] && fr_buf[no] != '\n')
157 resp = add_entry (r);
158 resp->name = (char*) xmalloc (no+1);
160 strcpy (resp->name, fr_buf);
167 if (fr_buf[no] == 0 || fr_buf[no] == '\n' )
172 if (strchr (": \t", fr_buf[no]))
179 resp = add_entry (r);
180 resp->name = (char*) xmalloc (no);
181 strcpy (resp->name, fr_buf);
183 while (strchr (" \t", fr_buf[no]))
188 if (fr_buf[no] == '\0' || strchr("\n\r\f", fr_buf[no]))
190 while (val_size > 0 &&
191 (val_buf[val_size-1] == ' ' ||
192 val_buf[val_size-1] == '\t'))
194 val_buf[val_size++] = '\0';
195 resp->value = (char*) xmalloc (val_size);
196 strcpy (resp->value, val_buf);
197 logf (LOG_DEBUG, "(name=%s,value=%s)",
198 resp->name, resp->value);
201 else if (fr_buf[no] == '\\' && strchr ("\n\r\f", fr_buf[no+1]))
203 line = fgets (fr_buf, sizeof(fr_buf)-1, fr);
206 resp->value = (char*) xmalloc (val_size);
207 strcpy (resp->value, val_buf);
214 val_buf[val_size++] = fr_buf[no++];
215 if (val_size+1 >= val_max)
219 nb = (char*) xmalloc (val_max+=1024);
220 memcpy (nb, val_buf, val_size);
232 Res res_open (const char *name)
236 if (access (name, 4))
238 if (access (name, R_OK))
241 logf (LOG_LOG|LOG_ERRNO, "Cannot access resource file `%s'", name);
244 r = (Res) xmalloc (sizeof(*r));
246 r->first = r->last = NULL;
247 r->name = xstrdup (name);
251 void res_close (Res r)
257 struct res_entry *re, *re1;
258 for (re = r->first; re; re=re1)
272 char *res_get (Res r, const char *name)
274 struct res_entry *re;
280 for (re = r->first; re; re=re->next)
281 if (re->value && !yaz_matchstr (re->name, name))
286 char *res_get_def (Res r, const char *name, char *def)
290 if (!(t = res_get (r, name)))
292 logf (LOG_DEBUG, "CAUTION: Using default resource %s:%s", name, def);
299 int res_get_match (Res r, const char *name, const char *value, const char *s)
301 const char *cn = res_get (r, name);
305 if (cn && !yaz_matchstr (cn, value))
310 void res_put (Res r, const char *name, const char *value)
312 struct res_entry *re;
317 for (re = r->first; re; re=re->next)
318 if (re->value && !yaz_matchstr (re->name, name))
321 re->value = xstrdup (value);
325 re->name = xstrdup (name);
326 re->value = xstrdup (value);
329 int res_trav (Res r, const char *prefix, void *p,
330 void (*f)(void *p, const char *name, const char *value))
332 struct res_entry *re;
342 for (re = r->first; re; re=re->next)
344 if (l==0 || !memcmp (re->name, prefix, l))
346 (*f)(p, re->name, re->value);
353 int res_write (Res r)
355 struct res_entry *re;
361 fr = fopen (r->name, "w");
364 logf (LOG_FATAL|LOG_ERRNO, "Cannot create %s", r->name);
368 for (re = r->first; re; re=re->next)
371 int lefts = strlen(re->name)+2;
374 fprintf (fr, "%s\n", re->name);
377 fprintf (fr, "%s: ", re->name);
378 while (lefts + strlen(re->value+no) > 78)
381 int ind = no+ 78-lefts;
384 if (re->value[ind] == ' ')
389 ind = no + 78 - lefts;
390 for (i = no; i != ind; i++)
391 putc (re->value[i], fr);
392 fprintf (fr, "\\\n");
396 fprintf (fr, "%s\n", re->value+no);