src/client/lufs/captivefs-misc.c

   1 /* $Id$
   2  * lufs interface module misc functions for libcaptive
   3  * Copyright (C) 2003 Jan Kratochvil <project-captive@jankratochvil.net>
   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; exactly version 2 of June 1991 is required
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19
  20 #include "config.h"
  21
  22 #include "captivefs-misc.h"     /* self */
  23 #include <glib/gmessages.h>
  24 #include "captivefs-vfs.h"
  25
  26 #include <captive/client-vfs.h>
  27
  28
  29 /* module-scope lock for _any_ libcaptive access */
  30 G_LOCK_DEFINE(libcaptive);
  31
  32
  33 /* Resolve a link (if the info was not added to the dir cache when
  34  * reading the parent dir)
  35  */
  36 int captivefs_readlink(struct captivefs_vfs *captivefs_vfs,const char *link,char *buf,int buflen)
  37 {
  38         g_return_val_if_fail(captivefs_vfs_validate(captivefs_vfs),-1);
  39         g_return_val_if_fail(link!=NULL,-1);
  40         g_return_val_if_fail(buf!=NULL,-1);
  41         g_return_val_if_fail(buflen>0,-1);
  42
  43         if (captivefs_vfs->options.debug_messages)
  44                 g_log(G_LOG_DOMAIN,G_LOG_LEVEL_DEBUG,"captivefs_readlink: link=%s,buflen=%d",link,buflen);
  45
  46         return -1;      /* unsupported by W32 */
  47 }
  48
  49
  50 /* Create a link
  51  */
  52 int captivefs_link(struct captivefs_vfs *captivefs_vfs,const char *target,const char *lnk)
  53 {
  54         g_return_val_if_fail(captivefs_vfs_validate(captivefs_vfs),-1);
  55         g_return_val_if_fail(target!=NULL,-1);
  56         g_return_val_if_fail(lnk!=NULL,-1);
  57
  58         if (captivefs_vfs->options.debug_messages)
  59                 g_log(G_LOG_DOMAIN,G_LOG_LEVEL_DEBUG,"captivefs_link: target=%s,lnk=%s",target,lnk);
  60
  61         return -1;      /* unsupported by W32 */
  62 }
  63
  64
  65 /* Create a symlink
  66  */
  67 int captivefs_symlink(struct captivefs_vfs *captivefs_vfs,const char *target,const char *link)
  68 {
  69         g_return_val_if_fail(captivefs_vfs_validate(captivefs_vfs),-1);
  70         g_return_val_if_fail(target!=NULL,-1);
  71         g_return_val_if_fail(link!=NULL,-1);
  72
  73         if (captivefs_vfs->options.debug_messages)
  74                 g_log(G_LOG_DOMAIN,G_LOG_LEVEL_DEBUG,"captivefs_symlink: target=%s,link=%s",target,link);
  75
  76         return -1;      /* unsupported by W32 */
  77 }
  78
  79
  80 char *captivefs_filename_to_utf8_malloc_errorchecking(const char *name)
  81 {
  82 GError *error;
  83 char *r;
  84
  85         g_return_val_if_fail(name!=NULL,NULL);
  86
  87         error=NULL;
  88         r=g_filename_to_utf8(
  89                         name,   /* opsysstring */
  90                         -1,     /* len; '\0'-terminated */
  91                         NULL,   /* bytes_read */
  92                         NULL,   /* bytes_written */
  93                         &error);        /* error */
  94         if (error) {
  95                 g_log(G_LOG_DOMAIN,G_LOG_LEVEL_WARNING,
  96                                 _("captivefs %s(): name=\"%s\": %s (see locale(7) and mount(8) environment variables)"),
  97                                 "g_filename_to_utf8",name,error->message);
  98                 g_clear_error(&error);
  99                 }
 100         return r;
 101 }
 102
 103
 104 char *captivefs_filename_from_utf8_malloc_errorchecking(const char *name)
 105 {
 106 GError *error;
 107 char *r;
 108
 109         g_return_val_if_fail(name!=NULL,NULL);
 110
 111         error=NULL;
 112         r=g_filename_from_utf8(
 113                         name,   /* utf8string */
 114                         -1,     /* len; '\0'-terminated */
 115                         NULL,   /* bytes_read */
 116                         NULL,   /* bytes_written */
 117                         &error);        /* error */
 118         if (error) {
 119                 g_log(G_LOG_DOMAIN,G_LOG_LEVEL_WARNING,"captivefs %s(): name=\"%s\"; g_get_charset()=\"%s\", %s: %s",
 120                                 "g_filename_from_utf8",name,charset,
 121                                 _("see environment variables - locale(7), mount(8) and locale(1) commands \"locale\" and \"locale -a\""),
 122                                 error->message);
 123                 g_clear_error(&error);
 124                 }
 125         return r;
 126 }