source3/web/neg_lang.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    SWAT language handling
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18    Created by Ryo Kawahara <rkawa@lbe.co.jp>
  19 */
  20
  21 #include "includes.h"
  22 #include "web/swat_proto.h"
  23 #include "intl/lang_tdb.h"
  24 #include "system/filesys.h"
  25
  26 /*
  27   during a file download we first check to see if there is a language
  28   specific file available. If there is then use that, otherwise
  29   just open the specified file
  30 */
  31 int web_open(const char *fname, int flags, mode_t mode)
  32 {
  33         char *p = NULL;
  34         char *lang = lang_tdb_current();
  35         int fd;
  36         if (lang) {
  37                 if (asprintf(&p, "lang/%s/%s", lang, fname) != -1) {
  38                         fd = open(p, flags, mode);
  39                         free(p);
  40                         if (fd != -1) {
  41                                 return fd;
  42                         }
  43                 }
  44         }
  45
  46         /* fall through to default name */
  47         return open(fname, flags, mode);
  48 }
  49
  50
  51 struct pri_list {
  52         float pri;
  53         char *string;
  54 };
  55
  56 static int qsort_cmp_list(struct pri_list *a, struct pri_list *b)
  57 {
  58         if (a->pri > b->pri) return -1;
  59         if (a->pri < b->pri) return 1;
  60         return 0;
  61 }
  62
  63 /*
  64   choose from a list of languages. The list can be comma or space
  65   separated
  66   Keep choosing until we get a hit
  67   Changed to habdle priority -- Simo
  68 */
  69
  70 void web_set_lang(const char *lang_string)
  71 {
  72         char **lang_list, **count;
  73         struct pri_list *pl;
  74         int lang_num, i;
  75
  76         /* build the lang list */
  77         lang_list = str_list_make_v3(talloc_tos(), lang_string, ", \t\r\n");
  78         if (!lang_list) return;
  79
  80         /* sort the list by priority */
  81         lang_num = 0;
  82         count = lang_list;
  83         while (*count && **count) {
  84                 count++;
  85                 lang_num++;
  86         }
  87         pl = SMB_MALLOC_ARRAY(struct pri_list, lang_num);
  88         if (!pl) {
  89                 return;
  90         }
  91
  92         for (i = 0; i < lang_num; i++) {
  93                 char *pri_code;
  94                 if ((pri_code=strstr(lang_list[i], ";q="))) {
  95                         *pri_code = '\0';
  96                         pri_code += 3;
  97                         sscanf(pri_code, "%f", &(pl[i].pri));
  98                 } else {
  99                         pl[i].pri = 1;
 100                 }
 101                 pl[i].string = SMB_STRDUP(lang_list[i]);
 102         }
 103         TALLOC_FREE(lang_list);
 104
 105         TYPESAFE_QSORT(pl, lang_num, qsort_cmp_list);
 106
 107         /* it's not an error to not initialise - we just fall back to
 108            the default */
 109
 110         for (i = 0; i < lang_num; i++) {
 111                 if (lang_tdb_init(pl[i].string)) break;
 112         }
 113
 114         for (i = 0; i < lang_num; i++) {
 115                 SAFE_FREE(pl[i].string);
 116         }
 117         SAFE_FREE(pl);
 118
 119         return;
 120 }