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 2 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, write to the Free Software
  17    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18
  19    Created by Ryo Kawahara <rkawa@lbe.co.jp>
  20 */
  21
  22 #include "includes.h"
  23 #include "../web/swat_proto.h"
  24
  25 /*
  26   during a file download we first check to see if there is a language
  27   specific file available. If there is then use that, otherwise
  28   just open the specified file
  29 */
  30 int web_open(const char *fname, int flags, mode_t mode)
  31 {
  32         char *p = NULL;
  33         char *lang = lang_tdb_current();
  34         int fd;
  35         if (lang) {
  36                 asprintf(&p, "lang/%s/%s", lang, fname);
  37                 if (p) {
  38                         fd = sys_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 sys_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(const void *x, const void *y) {
  57         struct pri_list *a = (struct pri_list *)x;
  58         struct pri_list *b = (struct pri_list *)y;
  59         if (a->pri > b->pri) return -1;
  60         if (a->pri == b->pri) return 0;
  61         return 1;
  62 }
  63
  64 /*
  65   choose from a list of languages. The list can be comma or space
  66   separated
  67   Keep choosing until we get a hit
  68   Changed to habdle priority -- Simo
  69 */
  70
  71 void web_set_lang(const char *lang_string)
  72 {
  73         char **lang_list, **count;
  74         struct pri_list *pl;
  75         int lang_num, i;
  76
  77         /* build the lang list */
  78         lang_list = str_list_make(lang_string, ", \t\r\n");
  79         if (!lang_list) return;
  80
  81         /* sort the list by priority */
  82         lang_num = 0;
  83         count = lang_list;
  84         while (*count && **count) {
  85                 count++;
  86                 lang_num++;
  87         }
  88         pl = (struct pri_list *)malloc(sizeof(struct pri_list) * lang_num);
  89         for (i = 0; i < lang_num; i++) {
  90                 char *pri_code;
  91                 if ((pri_code=strstr(lang_list[i], ";q="))) {
  92                         *pri_code = '\0';
  93                         pri_code += 3;
  94                         sscanf(pri_code, "%f", &(pl[i].pri));
  95                 } else {
  96                         pl[i].pri = 1;
  97                 }
  98                 pl[i].string = strdup(lang_list[i]);
  99         }
 100         str_list_free(&lang_list);
 101
 102         qsort(pl, lang_num, sizeof(struct pri_list), &qsort_cmp_list);
 103
 104         /* it's not an error to not initialise - we just fall back to
 105            the default */
 106
 107         for (i = 0; i < lang_num; i++) {
 108                 if (lang_tdb_init(pl[i].string)) break;
 109         }
 110
 111         for (i = 0; i < lang_num; i++) {
 112                 SAFE_FREE(pl[i].string);
 113         }
 114         SAFE_FREE(pl);
 115
 116         return;
 117 }