forked from osmocom/wireshark
120 lines
3.3 KiB
C
120 lines
3.3 KiB
C
/* language.c
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* Language "preference" handling routines
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* Copyright 2014, Michal Labedzki for Tieto Corporation
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <errno.h>
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#include <epan/prefs.h>
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#include <epan/prefs-int.h>
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#include <wsutil/filesystem.h>
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#include <wsutil/file_util.h>
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#include "ui/language.h"
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#include "ui/simple_dialog.h"
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#define LANGUAGE_FILE_NAME "language"
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#define LANGUAGE_PREF_LANGUAGE "language"
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char *language = NULL;
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/* set one user's recent common file key/value pair */
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static prefs_set_pref_e
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read_language_pref(gchar *key, const gchar *value,
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void *private_data _U_, gboolean return_range_errors _U_)
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{
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if (strcmp(key, LANGUAGE_PREF_LANGUAGE) == 0) {
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g_free(language);
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/*
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* For backwards compatibility, treat "auto" as meaning "use the
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* system language".
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*
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* To handle the old buggy code that didn't check whether "language"
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* was null before trying to print it, treat "(null)" - which many,
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* but *NOT* all, system printfs print for a null pointer (some
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* printfs, such as the one in Solaris, *crash* with %s and a null
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* pointer) - as meaning "use the system language".
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*/
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if (!value || !*value || strcmp(value, "auto") == 0 ||
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strcmp(value, "(null)") == 0)
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language = g_strdup(USE_SYSTEM_LANGUAGE);
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else
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language = g_strdup(value);
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}
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return PREFS_SET_OK;
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}
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void
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read_language_prefs(void)
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{
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char *rf_path;
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FILE *rf;
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rf_path = get_persconffile_path(LANGUAGE_FILE_NAME, FALSE);
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if ((rf = ws_fopen(rf_path, "r")) != NULL) {
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read_prefs_file(rf_path, rf, read_language_pref, NULL);
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fclose(rf);
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}
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g_free(rf_path);
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}
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gboolean
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write_language_prefs(void)
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{
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char *pf_dir_path;
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char *rf_path;
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FILE *rf;
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/* To do:
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* - Split output lines longer than MAX_VAL_LEN
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* - Create a function for the preference directory check/creation
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* so that duplication can be avoided with filter.c
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*/
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/* Create the directory that holds personal configuration files, if
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necessary. */
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if (create_persconffile_dir(&pf_dir_path) == -1) {
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simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
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"Can't create directory\n\"%s\"\nfor language file: %s.", pf_dir_path,
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g_strerror(errno));
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g_free(pf_dir_path);
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return FALSE;
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}
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rf_path = get_persconffile_path(LANGUAGE_FILE_NAME, FALSE);
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if ((rf = ws_fopen(rf_path, "w")) == NULL) {
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simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
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"Can't open recent file\n\"%s\": %s.", rf_path,
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g_strerror(errno));
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g_free(rf_path);
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return FALSE;
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}
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g_free(rf_path);
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fputs("# Language settings file for Wireshark " VERSION ".\n"
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"#\n"
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"# This file is regenerated each time Wireshark is quit.\n"
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"# So be careful, if you want to make manual changes here.\n"
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"\n", rf);
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fprintf(rf, LANGUAGE_PREF_LANGUAGE ": %s\n", language ? language : USE_SYSTEM_LANGUAGE);
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fclose(rf);
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return TRUE;
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}
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