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
  24 /*
  25   during a file download we first check to see if there is a language
  26   specific file available. If there is then use that, otherwise
  27   just open the specified file
  28 */
  29 int web_open(const char *fname, int flags, mode_t mode)
  30 {
  31         char *p = NULL;
  32         char *lang = lang_tdb_current();
  33         int fd;
  34         if (lang) {
  35                 asprintf(&p, "lang/%s/%s", lang, fname);
  36                 if (p) {
  37                         fd = sys_open(p, flags, mode);
  38                         free(p);
  39                         if (fd != -1) {
  40                                 return fd;
  41                         }
  42                 }
  43         }
  44
  45         /* fall through to default name */
  46         return sys_open(fname, flags, mode);
  47 }
  48
  49
  50 struct pri_list {
  51         float pri;
  52         char *string;
  53 };
  54
  55 static int qsort_cmp_list(const void *x, const void *y) {
  56         struct pri_list *a = (struct pri_list *)x;
  57         struct pri_list *b = (struct pri_list *)y;
  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         qsort(pl, lang_num, sizeof(struct pri_list), &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 }