Fix gettext reload bugs (e.g. inability to disable gettext
once enabled). * grub-core/gettext/gettext.c: Encapsulate all static variables in main_context and secondary_context. All functions updated. (grub_gettext_translate): Rename to ... (grub_gettext_translate_real): ... this. Return NULL on failed translate. (grub_gettext_translate): Handle secondary context. (grub_gettext_delete_list): Close file and zero-out the context. (grub_mofile_open): Don't call grub_gettext_delete_list. Don't close file. (grub_gettext_init_ext): Call grub_gettext_init_ext. Skip loading if locale="" to avoid pointless error message. (grub_gettext_env_write_lang): Update lang even if load fails. Handle secondary context. (grub_gettext_reread_prefix): New function. (read_main): Likewise. (read_secondary): Likewise. (GRUB_MOD_INIT): Handle secondary context. Hook and export variables. (GRUB_MOD_FINI): Handle secondary context. Don't close file. * grub-core/normal/main.c (read_lists): Call grub_gettext_reread_prefix. * include/grub/normal.h (grub_gettext_reread_prefix): New proto.
This commit is contained in:
Vladimir 'phcoder' Serbinenko
parent
8e56f87007
commit
17f38c0f8c
4 changed files with 176 additions and 74 deletions
26
ChangeLog
26
ChangeLog
|
|
@ -1,3 +1,29 @@
|
|||
2012-03-10 Vladimir Serbinenko <phcoder@gmail.com>
|
||||
|
||||
Fix gettext reload bugs (e.g. inability to disable gettext
|
||||
once enabled).
|
||||
|
||||
* grub-core/gettext/gettext.c: Encapsulate all static variables in
|
||||
main_context and secondary_context. All functions updated.
|
||||
(grub_gettext_translate): Rename to ...
|
||||
(grub_gettext_translate_real): ... this. Return NULL on failed
|
||||
translate.
|
||||
(grub_gettext_translate): Handle secondary context.
|
||||
(grub_gettext_delete_list): Close file and zero-out the context.
|
||||
(grub_mofile_open): Don't call grub_gettext_delete_list.
|
||||
Don't close file.
|
||||
(grub_gettext_init_ext): Call grub_gettext_init_ext. Skip loading
|
||||
if locale="" to avoid pointless error message.
|
||||
(grub_gettext_env_write_lang): Update lang even if load fails.
|
||||
Handle secondary context.
|
||||
(grub_gettext_reread_prefix): New function.
|
||||
(read_main): Likewise.
|
||||
(read_secondary): Likewise.
|
||||
(GRUB_MOD_INIT): Handle secondary context. Hook and export variables.
|
||||
(GRUB_MOD_FINI): Handle secondary context. Don't close file.
|
||||
* grub-core/normal/main.c (read_lists): Call grub_gettext_reread_prefix.
|
||||
* include/grub/normal.h (grub_gettext_reread_prefix): New proto.
|
||||
|
||||
2012-03-10 Vladimir Serbinenko <phcoder@gmail.com>
|
||||
|
||||
* configure.ac: Decrease warning level to avoid spurious warnings and
|
||||
|
|
|
|||
|
|
@ -34,13 +34,7 @@ GRUB_MOD_LICENSE ("GPLv3+");
|
|||
http://www.gnu.org/software/autoconf/manual/gettext/MO-Files.html .
|
||||
*/
|
||||
|
||||
|
||||
static grub_file_t fd_mo;
|
||||
|
||||
static grub_off_t grub_gettext_offset_original;
|
||||
static grub_off_t grub_gettext_offset_translation;
|
||||
static grub_size_t grub_gettext_max;
|
||||
static int grub_gettext_max_log;
|
||||
static struct grub_gettext_context main_context, secondary_context;
|
||||
|
||||
static const char *(*grub_gettext_original) (const char *s);
|
||||
|
||||
|
|
@ -50,8 +44,6 @@ struct grub_gettext_msg
|
|||
char *translated;
|
||||
};
|
||||
|
||||
static struct grub_gettext_msg *grub_gettext_msg_list = NULL;
|
||||
|
||||
struct header
|
||||
{
|
||||
grub_uint32_t magic;
|
||||
|
|
@ -67,6 +59,16 @@ struct string_descriptor
|
|||
grub_uint32_t offset;
|
||||
};
|
||||
|
||||
struct grub_gettext_context
|
||||
{
|
||||
grub_file_t fd_mo;
|
||||
grub_off_t grub_gettext_offset_original;
|
||||
grub_off_t grub_gettext_offset_translation;
|
||||
grub_size_t grub_gettext_max;
|
||||
int grub_gettext_max_log;
|
||||
struct grub_gettext_msg *grub_gettext_msg_list;
|
||||
};
|
||||
|
||||
#define MO_MAGIC_NUMBER 0x950412de
|
||||
|
||||
static grub_err_t
|
||||
|
|
@ -85,7 +87,8 @@ grub_gettext_pread (grub_file_t file, void *buf, grub_size_t len,
|
|||
}
|
||||
|
||||
static char *
|
||||
grub_gettext_getstr_from_position (grub_off_t off,
|
||||
grub_gettext_getstr_from_position (struct grub_gettext_context *ctx,
|
||||
grub_off_t off,
|
||||
grub_size_t position)
|
||||
{
|
||||
grub_off_t internal_position;
|
||||
|
|
@ -97,7 +100,7 @@ grub_gettext_getstr_from_position (grub_off_t off,
|
|||
|
||||
internal_position = (off + position * sizeof (desc));
|
||||
|
||||
err = grub_gettext_pread (fd_mo, (char *) &desc,
|
||||
err = grub_gettext_pread (ctx->fd_mo, (char *) &desc,
|
||||
sizeof (desc), internal_position);
|
||||
if (err)
|
||||
return NULL;
|
||||
|
|
@ -108,7 +111,7 @@ grub_gettext_getstr_from_position (grub_off_t off,
|
|||
if (!translation)
|
||||
return NULL;
|
||||
|
||||
err = grub_gettext_pread (fd_mo, translation, length, offset);
|
||||
err = grub_gettext_pread (ctx->fd_mo, translation, length, offset);
|
||||
if (err)
|
||||
{
|
||||
grub_free (translation);
|
||||
|
|
@ -120,63 +123,68 @@ grub_gettext_getstr_from_position (grub_off_t off,
|
|||
}
|
||||
|
||||
static const char *
|
||||
grub_gettext_gettranslation_from_position (grub_size_t position)
|
||||
grub_gettext_gettranslation_from_position (struct grub_gettext_context *ctx,
|
||||
grub_size_t position)
|
||||
{
|
||||
if (!grub_gettext_msg_list[position].translated)
|
||||
grub_gettext_msg_list[position].translated
|
||||
= grub_gettext_getstr_from_position (grub_gettext_offset_translation,
|
||||
if (!ctx->grub_gettext_msg_list[position].translated)
|
||||
ctx->grub_gettext_msg_list[position].translated
|
||||
= grub_gettext_getstr_from_position (ctx,
|
||||
ctx->grub_gettext_offset_translation,
|
||||
position);
|
||||
return grub_gettext_msg_list[position].translated;
|
||||
return ctx->grub_gettext_msg_list[position].translated;
|
||||
}
|
||||
|
||||
static const char *
|
||||
grub_gettext_getstring_from_position (grub_size_t position)
|
||||
grub_gettext_getstring_from_position (struct grub_gettext_context *ctx,
|
||||
grub_size_t position)
|
||||
{
|
||||
if (!grub_gettext_msg_list[position].name)
|
||||
grub_gettext_msg_list[position].name
|
||||
= grub_gettext_getstr_from_position (grub_gettext_offset_original,
|
||||
if (!ctx->grub_gettext_msg_list[position].name)
|
||||
ctx->grub_gettext_msg_list[position].name
|
||||
= grub_gettext_getstr_from_position (ctx,
|
||||
ctx->grub_gettext_offset_original,
|
||||
position);
|
||||
return grub_gettext_msg_list[position].name;
|
||||
return ctx->grub_gettext_msg_list[position].name;
|
||||
}
|
||||
|
||||
static const char *
|
||||
grub_gettext_translate (const char *orig)
|
||||
grub_gettext_translate_real (struct grub_gettext_context *ctx,
|
||||
const char *orig)
|
||||
{
|
||||
grub_size_t current = 0;
|
||||
int i;
|
||||
const char *current_string;
|
||||
static int depth = 0;
|
||||
|
||||
if (!grub_gettext_msg_list || !fd_mo)
|
||||
return orig;
|
||||
if (!ctx->grub_gettext_msg_list || !ctx->fd_mo)
|
||||
return NULL;
|
||||
|
||||
/* Shouldn't happen. Just a precaution if our own code
|
||||
calls gettext somehow. */
|
||||
if (depth > 2)
|
||||
return orig;
|
||||
return NULL;
|
||||
depth++;
|
||||
|
||||
/* Make sure we can use grub_gettext_translate for error messages. Push
|
||||
active error message to error stack and reset error message. */
|
||||
grub_error_push ();
|
||||
|
||||
for (i = grub_gettext_max_log; i >= 0; i--)
|
||||
for (i = ctx->grub_gettext_max_log; i >= 0; i--)
|
||||
{
|
||||
grub_size_t test;
|
||||
int cmp;
|
||||
|
||||
test = current | (1 << i);
|
||||
if (test >= grub_gettext_max)
|
||||
if (test >= ctx->grub_gettext_max)
|
||||
continue;
|
||||
|
||||
current_string = grub_gettext_getstring_from_position (test);
|
||||
current_string = grub_gettext_getstring_from_position (ctx, test);
|
||||
|
||||
if (!current_string)
|
||||
{
|
||||
grub_errno = GRUB_ERR_NONE;
|
||||
grub_error_pop ();
|
||||
depth--;
|
||||
return orig;
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* Search by bisection. */
|
||||
|
|
@ -186,13 +194,13 @@ grub_gettext_translate (const char *orig)
|
|||
if (cmp == 0)
|
||||
{
|
||||
const char *ret = 0;
|
||||
ret = grub_gettext_gettranslation_from_position (current);
|
||||
ret = grub_gettext_gettranslation_from_position (ctx, current);
|
||||
if (!ret)
|
||||
{
|
||||
grub_errno = GRUB_ERR_NONE;
|
||||
grub_error_pop ();
|
||||
depth--;
|
||||
return orig;
|
||||
return NULL;
|
||||
}
|
||||
grub_error_pop ();
|
||||
depth--;
|
||||
|
|
@ -202,27 +210,45 @@ grub_gettext_translate (const char *orig)
|
|||
|
||||
grub_error_pop ();
|
||||
depth--;
|
||||
return orig;
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static const char *
|
||||
grub_gettext_translate (const char *orig)
|
||||
{
|
||||
const char *ret;
|
||||
ret = grub_gettext_translate_real (&main_context, orig);
|
||||
if (ret)
|
||||
return ret;
|
||||
ret = grub_gettext_translate_real (&secondary_context, orig);
|
||||
if (ret)
|
||||
return ret;
|
||||
return orig;
|
||||
}
|
||||
|
||||
static void
|
||||
grub_gettext_delete_list (void)
|
||||
grub_gettext_delete_list (struct grub_gettext_context *ctx)
|
||||
{
|
||||
struct grub_gettext_msg *l = grub_gettext_msg_list;
|
||||
struct grub_gettext_msg *l = ctx->grub_gettext_msg_list;
|
||||
grub_size_t i;
|
||||
|
||||
if (!l)
|
||||
return;
|
||||
grub_gettext_msg_list = 0;
|
||||
for (i = 0; i < grub_gettext_max; i++)
|
||||
ctx->grub_gettext_msg_list = 0;
|
||||
for (i = 0; i < ctx->grub_gettext_max; i++)
|
||||
grub_free (l[i].name);
|
||||
/* Don't delete the translated message because could be in use. */
|
||||
grub_free (l);
|
||||
if (ctx->fd_mo)
|
||||
grub_file_close (ctx->fd_mo);
|
||||
ctx->fd_mo = 0;
|
||||
grub_memset (ctx, 0, sizeof (*ctx));
|
||||
}
|
||||
|
||||
/* This is similar to grub_file_open. */
|
||||
static grub_err_t
|
||||
grub_mofile_open (const char *filename)
|
||||
grub_mofile_open (struct grub_gettext_context *ctx,
|
||||
const char *filename)
|
||||
{
|
||||
struct header head;
|
||||
grub_err_t err;
|
||||
|
|
@ -257,25 +283,20 @@ grub_mofile_open (const char *filename)
|
|||
"mo: invalid mo version in file: %s", filename);
|
||||
}
|
||||
|
||||
grub_gettext_delete_list ();
|
||||
ctx->grub_gettext_offset_original = grub_le_to_cpu32 (head.offset_original);
|
||||
ctx->grub_gettext_offset_translation = grub_le_to_cpu32 (head.offset_translation);
|
||||
ctx->grub_gettext_max = grub_le_to_cpu32 (head.number_of_strings);
|
||||
for (ctx->grub_gettext_max_log = 0; ctx->grub_gettext_max >> ctx->grub_gettext_max_log;
|
||||
ctx->grub_gettext_max_log++);
|
||||
|
||||
grub_gettext_offset_original = grub_le_to_cpu32 (head.offset_original);
|
||||
grub_gettext_offset_translation = grub_le_to_cpu32 (head.offset_translation);
|
||||
grub_gettext_max = grub_le_to_cpu32 (head.number_of_strings);
|
||||
for (grub_gettext_max_log = 0; grub_gettext_max >> grub_gettext_max_log;
|
||||
grub_gettext_max_log++);
|
||||
if (fd_mo)
|
||||
grub_file_close (fd_mo);
|
||||
fd_mo = 0;
|
||||
|
||||
grub_gettext_msg_list = grub_zalloc (grub_gettext_max
|
||||
* sizeof (grub_gettext_msg_list[0]));
|
||||
if (!grub_gettext_msg_list)
|
||||
ctx->grub_gettext_msg_list = grub_zalloc (ctx->grub_gettext_max
|
||||
* sizeof (ctx->grub_gettext_msg_list[0]));
|
||||
if (!ctx->grub_gettext_msg_list)
|
||||
{
|
||||
grub_file_close (fd);
|
||||
return grub_errno;
|
||||
}
|
||||
fd_mo = fd;
|
||||
ctx->fd_mo = fd;
|
||||
if (grub_gettext != grub_gettext_translate)
|
||||
{
|
||||
grub_gettext_original = grub_gettext;
|
||||
|
|
@ -287,7 +308,8 @@ grub_mofile_open (const char *filename)
|
|||
/* Returning grub_file_t would be more natural, but grub_mofile_open assigns
|
||||
to fd_mo anyway ... */
|
||||
static grub_err_t
|
||||
grub_mofile_open_lang (const char *part1, const char *part2, const char *locale)
|
||||
grub_mofile_open_lang (struct grub_gettext_context *ctx,
|
||||
const char *part1, const char *part2, const char *locale)
|
||||
{
|
||||
char *mo_file;
|
||||
grub_err_t err;
|
||||
|
|
@ -298,7 +320,7 @@ grub_mofile_open_lang (const char *part1, const char *part2, const char *locale)
|
|||
if (!mo_file)
|
||||
return grub_errno;
|
||||
|
||||
err = grub_mofile_open (mo_file);
|
||||
err = grub_mofile_open (ctx, mo_file);
|
||||
|
||||
/* Will try adding .gz as well. */
|
||||
if (err)
|
||||
|
|
@ -310,31 +332,36 @@ grub_mofile_open_lang (const char *part1, const char *part2, const char *locale)
|
|||
grub_free (mo_file_old);
|
||||
if (!mo_file)
|
||||
return grub_errno;
|
||||
err = grub_mofile_open (mo_file);
|
||||
err = grub_mofile_open (ctx, mo_file);
|
||||
}
|
||||
return err;
|
||||
}
|
||||
|
||||
static grub_err_t
|
||||
grub_gettext_init_ext (const char *locale)
|
||||
grub_gettext_init_ext (struct grub_gettext_context *ctx,
|
||||
const char *locale,
|
||||
const char *locale_dir, const char *prefix)
|
||||
{
|
||||
const char *part1, *part2;
|
||||
grub_err_t err;
|
||||
|
||||
if (!locale)
|
||||
grub_gettext_delete_list (ctx);
|
||||
|
||||
if (!locale || locale[0] == 0)
|
||||
return 0;
|
||||
|
||||
part1 = grub_env_get ("locale_dir");
|
||||
part1 = locale_dir;
|
||||
part2 = "";
|
||||
if (!part1)
|
||||
if (!part1 || part1[0] == 0)
|
||||
{
|
||||
part1 = grub_env_get ("prefix");
|
||||
if (!part1)
|
||||
return 0;
|
||||
part1 = prefix;
|
||||
part2 = "/locale";
|
||||
}
|
||||
|
||||
err = grub_mofile_open_lang (part1, part2, locale);
|
||||
if (!part1 || part1[0] == 0)
|
||||
return 0;
|
||||
|
||||
err = grub_mofile_open_lang (ctx, part1, part2, locale);
|
||||
|
||||
/* ll_CC didn't work, so try ll. */
|
||||
if (err)
|
||||
|
|
@ -346,7 +373,7 @@ grub_gettext_init_ext (const char *locale)
|
|||
{
|
||||
*underscore = '\0';
|
||||
grub_errno = GRUB_ERR_NONE;
|
||||
err = grub_mofile_open_lang (part1, part2, lang);
|
||||
err = grub_mofile_open_lang (ctx, part1, part2, lang);
|
||||
}
|
||||
|
||||
grub_free (lang);
|
||||
|
|
@ -359,12 +386,51 @@ grub_gettext_env_write_lang (struct grub_env_var *var
|
|||
__attribute__ ((unused)), const char *val)
|
||||
{
|
||||
grub_err_t err;
|
||||
err = grub_gettext_init_ext (val);
|
||||
err = grub_gettext_init_ext (&main_context, val, grub_env_get ("locale_dir"),
|
||||
grub_env_get ("prefix"));
|
||||
if (err)
|
||||
{
|
||||
grub_print_error ();
|
||||
return NULL;
|
||||
}
|
||||
grub_print_error ();
|
||||
|
||||
err = grub_gettext_init_ext (&secondary_context, val,
|
||||
grub_env_get ("secondary_locale_dir"), 0);
|
||||
if (err)
|
||||
grub_print_error ();
|
||||
|
||||
return grub_strdup (val);
|
||||
}
|
||||
|
||||
void
|
||||
grub_gettext_reread_prefix (const char *val)
|
||||
{
|
||||
grub_err_t err;
|
||||
err = grub_gettext_init_ext (&main_context, grub_env_get ("lang"),
|
||||
grub_env_get ("locale_dir"),
|
||||
val);
|
||||
if (err)
|
||||
grub_print_error ();
|
||||
}
|
||||
|
||||
static char *
|
||||
read_main (struct grub_env_var *var
|
||||
__attribute__ ((unused)), const char *val)
|
||||
{
|
||||
grub_err_t err;
|
||||
err = grub_gettext_init_ext (&main_context, grub_env_get ("lang"), val,
|
||||
grub_env_get ("prefix"));
|
||||
if (err)
|
||||
grub_print_error ();
|
||||
return grub_strdup (val);
|
||||
}
|
||||
|
||||
static char *
|
||||
read_secondary (struct grub_env_var *var
|
||||
__attribute__ ((unused)), const char *val)
|
||||
{
|
||||
grub_err_t err;
|
||||
err = grub_gettext_init_ext (&secondary_context, grub_env_get ("lang"), val,
|
||||
0);
|
||||
if (err)
|
||||
grub_print_error ();
|
||||
|
||||
return grub_strdup (val);
|
||||
}
|
||||
|
|
@ -388,7 +454,13 @@ GRUB_MOD_INIT (gettext)
|
|||
|
||||
lang = grub_env_get ("lang");
|
||||
|
||||
grub_gettext_init_ext (lang);
|
||||
grub_gettext_init_ext (&main_context, lang, grub_env_get ("locale_dir"),
|
||||
grub_env_get ("prefix"));
|
||||
grub_gettext_init_ext (&secondary_context, lang,
|
||||
grub_env_get ("secondary_locale_dir"), 0);
|
||||
|
||||
grub_register_variable_hook ("locale_dir", NULL, read_main);
|
||||
grub_register_variable_hook ("secondary_locale_dir", NULL, read_secondary);
|
||||
|
||||
grub_register_command_p1 ("gettext", grub_cmd_translate,
|
||||
N_("STRING"),
|
||||
|
|
@ -403,14 +475,14 @@ GRUB_MOD_INIT (gettext)
|
|||
|
||||
/* Preserve hooks after context changes. */
|
||||
grub_env_export ("lang");
|
||||
grub_env_export ("locale_dir");
|
||||
grub_env_export ("secondary_locale_dir");
|
||||
}
|
||||
|
||||
GRUB_MOD_FINI (gettext)
|
||||
{
|
||||
if (fd_mo != 0)
|
||||
grub_file_close (fd_mo);
|
||||
|
||||
grub_gettext_delete_list ();
|
||||
grub_gettext_delete_list (&main_context);
|
||||
grub_gettext_delete_list (&secondary_context);
|
||||
|
||||
grub_gettext = grub_gettext_original;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -269,6 +269,7 @@ read_lists (const char *val)
|
|||
read_crypto_list (val);
|
||||
read_terminal_list (val);
|
||||
}
|
||||
grub_gettext_reread_prefix (val);
|
||||
}
|
||||
|
||||
static char *
|
||||
|
|
|
|||
|
|
@ -136,4 +136,7 @@ void grub_normal_auth_fini (void);
|
|||
grub_command_t
|
||||
grub_dyncmd_get_cmd (grub_command_t cmd);
|
||||
|
||||
void
|
||||
grub_gettext_reread_prefix (const char *val);
|
||||
|
||||
#endif /* ! GRUB_NORMAL_HEADER */
|
||||
|
|
|
|||
Loading…
Reference in a new issue