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claws-mail/src/prefs_gtk.c
Colin Leroy bfd8acbc11 Fix unitialised access
2016-03-03 21:14:59 +01:00

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/*
* Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
* Copyright (C) 1999-2015 Hiroyuki Yamamoto and the Claws Mail team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#include "claws-features.h"
#endif
#define _GNU_SOURCE
#include <stdio.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <gtk/gtk.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include "defs.h"
#include "main.h"
#include "prefs.h"
#include "prefs_gtk.h"
#include "prefs_common.h"
#include "utils.h"
#include "gtkutils.h"
#include "password.h"
#include "codeconv.h"
#define CL(x) (((gulong) (x) >> (gulong) 8) & 0xFFUL)
#define RGB_FROM_GDK_COLOR(c) \
((CL(c.red) << (gulong) 16) | \
(CL(c.green) << (gulong) 8) | \
(CL(c.blue)))
#ifdef HAVE_FGETS_UNLOCKED
#define SC_FGETS fgets_unlocked
#else
#define SC_FGETS fgets
#endif
typedef enum
{
DUMMY_PARAM
} DummyEnum;
static GHashTable *whole_cache = NULL;
static gboolean prefs_read_config_from_cache(PrefParam *param, const gchar *label,
const gchar *rcfile);
static void prefs_config_parse_one_line(PrefParam *param,
const gchar *buf);
void prefs_read_config(PrefParam *param, const gchar *label,
const gchar *rcfile, const gchar *encoding)
{
FILE *fp;
gchar buf[PREFSBUFSIZE];
gchar *block_label;
cm_return_if_fail(param != NULL);
cm_return_if_fail(label != NULL);
cm_return_if_fail(rcfile != NULL);
if (encoding != NULL)
g_warning("Encoding is ignored");
debug_print("Reading configuration...\n");
prefs_set_default(param);
if (whole_cache != NULL) {
if (prefs_read_config_from_cache(param, label, rcfile) == TRUE)
return;
}
if ((fp = g_fopen(rcfile, "rb")) == NULL) {
if (ENOENT != errno) FILE_OP_ERROR(rcfile, "fopen");
return;
}
block_label = g_strdup_printf("[%s]", label);
#ifdef HAVE_FGETS_UNLOCKED
flockfile(fp);
#endif
/* search aiming block */
while (SC_FGETS(buf, sizeof(buf), fp) != NULL) {
gint val;
if (encoding) {
gchar *conv_str;
conv_str = conv_codeset_strdup
(buf, encoding, CS_INTERNAL);
if (!conv_str)
conv_str = g_strdup(buf);
val = strncmp
(conv_str, block_label, strlen(block_label));
g_free(conv_str);
} else
val = strncmp(buf, block_label, strlen(block_label));
if (val == 0) {
debug_print("Found %s\n", block_label);
break;
}
}
g_free(block_label);
while (SC_FGETS(buf, sizeof(buf), fp) != NULL) {
strretchomp(buf);
/* reached next block */
if (buf[0] == '[') break;
if (buf[0] == '#') continue;
if (encoding) {
gchar *conv_str;
conv_str = conv_codeset_strdup
(buf, encoding, CS_INTERNAL);
if (!conv_str)
conv_str = g_strdup(buf);
prefs_config_parse_one_line(param, conv_str);
g_free(conv_str);
} else
prefs_config_parse_one_line(param, buf);
}
debug_print("Finished reading configuration.\n");
#ifdef HAVE_FGETS_UNLOCKED
funlockfile(fp);
#endif
fclose(fp);
}
static void prefs_config_parse_one_line(PrefParam *param, const gchar *buf)
{
gint i;
gint name_len;
const gchar *value;
GdkColor color;
for (i = 0; param[i].name != NULL; i++) {
name_len = strlen(param[i].name);
if (g_ascii_strncasecmp(buf, param[i].name, name_len))
continue;
if (buf[name_len] != '=')
continue;
value = buf + name_len + 1;
/* debug_print("%s = %s\n", param[i].name, value); */
switch (param[i].type) {
case P_STRING:
case P_PASSWORD:
{
gchar *tmp = NULL;
if (*value) {
if (g_utf8_validate(value, -1, NULL))
tmp = g_strdup(value);
else {
tmp = conv_codeset_strdup(value,
conv_get_locale_charset_str_no_utf8(),
CS_INTERNAL);
}
} else {
tmp = g_strdup("");
}
if (!tmp) {
g_warning("Failed to convert character set.");
tmp = g_strdup(value);
}
g_free(*((gchar **)param[i].data));
*((gchar **)param[i].data) = tmp;
break;
}
case P_INT:
*((gint *)param[i].data) =
(gint)atoi(value);
break;
case P_BOOL:
*((gboolean *)param[i].data) =
(*value == '0' || *value == '\0')
? FALSE : TRUE;
break;
case P_ENUM:
*((DummyEnum *)param[i].data) =
(DummyEnum)atoi(value);
break;
case P_USHORT:
*((gushort *)param[i].data) =
(gushort)atoi(value);
break;
case P_COLOR:
if (gdk_color_parse(value, &color)) {
*((gulong *)param[i].data) = RGB_FROM_GDK_COLOR(color);
}
else
/* be compatible and accept ints */
*((gulong *)param[i].data) = strtoul(value, 0, 10);
break;
default:
break;
}
}
}
#define TRY(func) \
if (!(func)) \
{ \
g_warning("Failed to write configuration to file"); \
if (orig_fp) fclose(orig_fp); \
prefs_file_close_revert(pfile); \
g_free(rcpath); \
g_free(block_label); \
return; \
} \
void prefs_write_config(PrefParam *param, const gchar *label,
const gchar *rcfile)
{
FILE *orig_fp;
PrefFile *pfile;
gchar *rcpath;
gchar buf[PREFSBUFSIZE];
gchar *block_label = NULL;
gboolean block_matched = FALSE;
cm_return_if_fail(param != NULL);
cm_return_if_fail(label != NULL);
cm_return_if_fail(rcfile != NULL);
rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, rcfile, NULL);
if ((orig_fp = g_fopen(rcpath, "rb")) == NULL) {
if (ENOENT != errno) FILE_OP_ERROR(rcpath, "fopen");
}
if ((pfile = prefs_write_open(rcpath)) == NULL) {
g_warning("Failed to write configuration to file");
if (orig_fp) fclose(orig_fp);
g_free(rcpath);
return;
}
block_label = g_strdup_printf("[%s]", label);
/* search aiming block */
if (orig_fp) {
while (fgets(buf, sizeof(buf), orig_fp) != NULL) {
gint val;
val = strncmp(buf, block_label, strlen(block_label));
if (val == 0) {
debug_print("Found %s\n", block_label);
block_matched = TRUE;
break;
} else
TRY(fputs(buf, pfile->fp) != EOF);
}
}
TRY(fprintf(pfile->fp, "%s\n", block_label) > 0);
/* write all param data to file */
TRY(prefs_write_param(param, pfile->fp) == 0);
if (block_matched) {
gboolean in_dup_block = FALSE;
while (fgets(buf, sizeof(buf), orig_fp) != NULL) {
/* next block */
if (buf[0] == '[') {
TRY(fputc('\n', pfile->fp) != EOF &&
fputs(buf, pfile->fp) != EOF);
break;
}
}
while (fgets(buf, sizeof(buf), orig_fp) != NULL) {
if (buf[0] == '[') {
if (!strncmp(buf, block_label,
strlen(block_label)))
in_dup_block = TRUE;
else
in_dup_block = FALSE;
}
if (!in_dup_block)
TRY(fputs(buf, pfile->fp) != EOF);
}
}
g_free(block_label);
block_label = NULL;
if (orig_fp) fclose(orig_fp);
if (prefs_file_close(pfile) < 0)
g_warning("Failed to write configuration to file");
g_free(rcpath);
debug_print("Configuration is saved.\n");
}
gint prefs_write_param(PrefParam *param, FILE *fp)
{
gint i;
gchar buf[PREFSBUFSIZE] = "";
for (i = 0; param[i].name != NULL; i++) {
switch (param[i].type) {
case P_STRING:
{
gchar *tmp = NULL;
if (*((gchar **)param[i].data)) {
if (g_utf8_validate(*((gchar **)param[i].data), -1, NULL))
tmp = g_strdup(*((gchar **)param[i].data));
else {
tmp = conv_codeset_strdup(*((gchar **)param[i].data),
conv_get_locale_charset_str_no_utf8(),
CS_INTERNAL);
if (!tmp)
tmp = g_strdup(*((gchar **)param[i].data));
}
}
g_snprintf(buf, sizeof(buf), "%s=%s\n", param[i].name,
tmp ? tmp : "");
g_free(tmp);
break;
}
case P_PASSWORD:
buf[0] = '\0'; /* Passwords are written to password store. */
break;
case P_INT:
g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name,
*((gint *)param[i].data));
break;
case P_BOOL:
g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name,
*((gboolean *)param[i].data));
break;
case P_ENUM:
g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name,
*((DummyEnum *)param[i].data));
break;
case P_USHORT:
g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name,
*((gushort *)param[i].data));
break;
case P_COLOR:
g_snprintf(buf, sizeof buf, "%s=#%6.6lx\n", param[i].name,
*((gulong *) param[i].data));
break;
default:
/* unrecognized, fail */
debug_print("Unrecognized parameter type\n");
return -1;
}
if (buf[0] != '\0') {
if (fputs(buf, fp) == EOF) {
perror("fputs");
return -1;
}
}
}
return 0;
}
void prefs_set_default(PrefParam *param)
{
gint i;
GdkColor color;
cm_return_if_fail(param != NULL);
for (i = 0; param[i].name != NULL; i++) {
if (!param[i].data) continue;
switch (param[i].type) {
case P_STRING:
g_free(*((gchar **)param[i].data));
if (param[i].defval != NULL) {
if (!strncasecmp(param[i].defval, "ENV_", 4)) {
const gchar *envstr;
gchar *tmp;
envstr = g_getenv(param[i].defval + 4);
tmp = envstr && *envstr ?
conv_codeset_strdup(envstr,
conv_get_locale_charset_str(),
CS_INTERNAL)
: g_strdup("");
if (!tmp) {
g_warning("Failed to convert character set.");
tmp = g_strdup(envstr);
}
*((gchar **)param[i].data) = tmp;
} else if (param[i].defval[0] == '~')
*((gchar **)param[i].data) =
g_strconcat(get_home_dir(),
param[i].defval + 1,
NULL);
else
*((gchar **)param[i].data) =
g_strdup(param[i].defval);
} else
*((gchar **)param[i].data) = NULL;
break;
case P_PASSWORD:
g_free(*((gchar **)param[i].data));
if (param[i].defval != NULL) {
if (param[i].defval[0] != '\0')
*((gchar **)param[i].data) =
g_strdup(param[i].defval);
else
*((gchar **)param[i].data) = NULL;
} else
*((gchar **)param[i].data) = NULL;
break;
case P_INT:
if (param[i].defval != NULL)
*((gint *)param[i].data) =
(gint)atoi(param[i].defval);
else
*((gint *)param[i].data) = 0;
break;
case P_BOOL:
if (param[i].defval != NULL) {
if (!g_ascii_strcasecmp(param[i].defval, "TRUE"))
*((gboolean *)param[i].data) = TRUE;
else
*((gboolean *)param[i].data) =
atoi(param[i].defval) ? TRUE : FALSE;
} else
*((gboolean *)param[i].data) = FALSE;
break;
case P_ENUM:
if (param[i].defval != NULL)
*((DummyEnum*)param[i].data) =
(DummyEnum)atoi(param[i].defval);
else
*((DummyEnum *)param[i].data) = 0;
break;
case P_USHORT:
if (param[i].defval != NULL)
*((gushort *)param[i].data) =
(gushort)atoi(param[i].defval);
else
*((gushort *)param[i].data) = 0;
break;
case P_COLOR:
if (param[i].defval != NULL && gdk_color_parse(param[i].defval, &color))
*((gulong *)param[i].data) =
RGB_FROM_GDK_COLOR(color);
else if (param[i].defval)
/* be compatible and accept ints */
*((gulong *)param[i].data) = strtoul(param[i].defval, 0, 10);
else
*((gulong *)param[i].data) = 0;
break;
default:
break;
}
}
}
void prefs_free(PrefParam *param)
{
gint i;
cm_return_if_fail(param != NULL);
for (i = 0; param[i].name != NULL; i++) {
if (!param[i].data) continue;
switch (param[i].type) {
case P_STRING:
case P_PASSWORD:
g_free(*((gchar **)param[i].data));
break;
default:
break;
}
}
}
void prefs_button_toggled(GtkToggleButton *toggle_btn, GtkWidget *widget)
{
gboolean is_active;
is_active = gtk_toggle_button_get_active(toggle_btn);
gtk_widget_set_sensitive(widget, is_active);
}
void prefs_button_toggled_reverse(GtkToggleButton *toggle_btn, GtkWidget *widget)
{
gboolean is_active;
is_active = gtk_toggle_button_get_active(toggle_btn);
gtk_widget_set_sensitive(widget, !is_active);
}
void prefs_set_dialog(PrefParam *param)
{
gint i;
for (i = 0; param[i].name != NULL; i++) {
if (param[i].widget_set_func)
param[i].widget_set_func(&param[i]);
}
}
void prefs_set_data_from_dialog(PrefParam *param)
{
gint i;
for (i = 0; param[i].name != NULL; i++) {
if (param[i].data_set_func)
param[i].data_set_func(&param[i]);
}
}
void prefs_set_dialog_to_default(PrefParam *param)
{
gint i;
PrefParam tmpparam;
gchar *str_data = NULL;
gint int_data;
gushort ushort_data;
gboolean bool_data;
DummyEnum enum_data;
for (i = 0; param[i].name != NULL; i++) {
if (!param[i].widget_set_func) continue;
tmpparam = param[i];
switch (tmpparam.type) {
case P_STRING:
if (tmpparam.defval) {
if (!g_ascii_strncasecmp(tmpparam.defval, "ENV_", 4)) {
str_data = g_strdup(g_getenv(param[i].defval + 4));
tmpparam.data = &str_data;
break;
} else if (tmpparam.defval[0] == '~') {
str_data =
g_strconcat(get_home_dir(),
param[i].defval + 1,
NULL);
tmpparam.data = &str_data;
break;
}
}
tmpparam.data = &tmpparam.defval;
break;
case P_PASSWORD:
tmpparam.data = &tmpparam.defval;
break;
case P_INT:
if (tmpparam.defval)
int_data = atoi(tmpparam.defval);
else
int_data = 0;
tmpparam.data = &int_data;
break;
case P_USHORT:
if (tmpparam.defval)
ushort_data = atoi(tmpparam.defval);
else
ushort_data = 0;
tmpparam.data = &ushort_data;
break;
case P_BOOL:
if (tmpparam.defval) {
if (!g_ascii_strcasecmp(tmpparam.defval, "TRUE"))
bool_data = TRUE;
else
bool_data = atoi(tmpparam.defval)
? TRUE : FALSE;
} else
bool_data = FALSE;
tmpparam.data = &bool_data;
break;
case P_ENUM:
if (tmpparam.defval)
enum_data = (DummyEnum)atoi(tmpparam.defval);
else
enum_data = 0;
tmpparam.data = &enum_data;
break;
case P_OTHER:
default:
break;
}
tmpparam.widget_set_func(&tmpparam);
g_free(str_data);
str_data = NULL;
}
}
void prefs_set_data_from_entry(PrefParam *pparam)
{
gchar **str;
const gchar *entry_str;
cm_return_if_fail(*pparam->widget != NULL);
entry_str = gtk_entry_get_text(GTK_ENTRY(*pparam->widget));
switch (pparam->type) {
case P_STRING:
str = (gchar **)pparam->data;
g_free(*str);
*str = entry_str[0] ? g_strdup(entry_str) : NULL;
break;
case P_PASSWORD:
break;
case P_USHORT:
*((gushort *)pparam->data) = atoi(entry_str);
break;
case P_INT:
*((gint *)pparam->data) = atoi(entry_str);
break;
default:
g_warning("Invalid PrefType for GtkEntry widget: %d",
pparam->type);
}
}
void prefs_set_escaped_data_from_entry(PrefParam *pparam)
{
gchar **str;
cm_return_if_fail(*pparam->widget != NULL);
switch (pparam->type) {
case P_STRING:
str = (gchar **)pparam->data;
g_free(*str);
*str = pref_get_pref_from_entry(GTK_ENTRY(*pparam->widget));
break;
default:
g_warning("Invalid escaped PrefType for GtkEntry widget: %d",
pparam->type);
}
}
void prefs_set_entry(PrefParam *pparam)
{
gchar **str;
cm_return_if_fail(*pparam->widget != NULL);
switch (pparam->type) {
case P_STRING:
str = (gchar **)pparam->data;
gtk_entry_set_text(GTK_ENTRY(*pparam->widget),
*str ? *str : "");
break;
case P_INT:
gtk_entry_set_text(GTK_ENTRY(*pparam->widget),
itos(*((gint *)pparam->data)));
break;
case P_USHORT:
gtk_entry_set_text(GTK_ENTRY(*pparam->widget),
itos(*((gushort *)pparam->data)));
break;
default:
g_warning("Invalid PrefType for GtkEntry widget: %d",
pparam->type);
}
}
void prefs_set_entry_from_escaped(PrefParam *pparam)
{
gchar **str;
cm_return_if_fail(*pparam->widget != NULL);
switch (pparam->type) {
case P_STRING:
str = (gchar **)pparam->data;
pref_set_entry_from_pref(GTK_ENTRY(*pparam->widget),
*str ? *str : "");
break;
default:
g_warning("Invalid escaped PrefType for GtkEntry widget: %d",
pparam->type);
}
}
void prefs_set_data_from_text(PrefParam *pparam)
{
gchar **str;
gchar *text = NULL, *tp = NULL;
gchar *tmp, *tmpp;
cm_return_if_fail(*pparam->widget != NULL);
switch (pparam->type) {
case P_STRING:
str = (gchar **)pparam->data;
g_free(*str);
if (GTK_IS_EDITABLE(*pparam->widget)) { /* need? */
tp = text = gtk_editable_get_chars
(GTK_EDITABLE(*pparam->widget), 0, -1);
} else if (GTK_IS_TEXT_VIEW(*pparam->widget)) {
GtkTextView *textview = GTK_TEXT_VIEW(*pparam->widget);
GtkTextBuffer *buffer = gtk_text_view_get_buffer(textview);
GtkTextIter start, end;
gtk_text_buffer_get_start_iter(buffer, &start);
gtk_text_buffer_get_iter_at_offset(buffer, &end, -1);
tp = text = gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
}
cm_return_if_fail (tp && text);
if (text[0] == '\0') {
*str = NULL;
g_free(text);
break;
}
Xalloca(tmpp = tmp, strlen(text) * 2 + 1,
{ *str = NULL; break; });
while (*tp) {
if (*tp == '\n') {
*tmpp++ = '\\';
*tmpp++ = 'n';
tp++;
} else
*tmpp++ = *tp++;
}
*tmpp = '\0';
*str = g_strdup(tmp);
g_free(text);
break;
default:
g_warning("Invalid PrefType for GtkText widget: %d",
pparam->type);
}
}
void prefs_set_escaped_data_from_text(PrefParam *pparam)
{
gchar **str;
cm_return_if_fail(*pparam->widget != NULL);
switch (pparam->type) {
case P_STRING:
str = (gchar **)pparam->data;
g_free(*str);
*str = pref_get_pref_from_textview(GTK_TEXT_VIEW(*pparam->widget));
break;
default:
g_warning("Invalid escaped PrefType for GtkText widget: %d",
pparam->type);
}
}
void prefs_set_text(PrefParam *pparam)
{
gchar *buf, *sp, *bufp;
gchar **str;
GtkTextView *text;
GtkTextBuffer *buffer;
GtkTextIter iter;
cm_return_if_fail(*pparam->widget != NULL);
switch (pparam->type) {
case P_STRING:
str = (gchar **)pparam->data;
if (*str) {
bufp = buf = alloca(strlen(*str) + 1);
if (!buf) buf = "";
else {
sp = *str;
while (*sp) {
if (*sp == '\\' && *(sp + 1) == 'n') {
*bufp++ = '\n';
sp += 2;
} else
*bufp++ = *sp++;
}
*bufp = '\0';
}
} else
buf = "";
text = GTK_TEXT_VIEW(*pparam->widget);
buffer = gtk_text_view_get_buffer(text);
gtk_text_buffer_set_text(buffer, "", -1);
gtk_text_buffer_get_start_iter(buffer, &iter);
gtk_text_buffer_insert(buffer, &iter, buf, -1);
break;
default:
g_warning("Invalid PrefType for GtkTextView widget: %d",
pparam->type);
}
}
void prefs_set_text_from_escaped(PrefParam *pparam)
{
gchar **str;
cm_return_if_fail(*pparam->widget != NULL);
switch (pparam->type) {
case P_STRING:
str = (gchar **)pparam->data;
pref_set_textview_from_pref(GTK_TEXT_VIEW(*pparam->widget),
*str ? *str : "");
break;
default:
g_warning("Invalid escaped PrefType for GtkTextView widget: %d",
pparam->type);
}
}
void prefs_set_data_from_toggle(PrefParam *pparam)
{
cm_return_if_fail(pparam->type == P_BOOL);
cm_return_if_fail(*pparam->widget != NULL);
*((gboolean *)pparam->data) =
gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(*pparam->widget));
}
void prefs_set_toggle(PrefParam *pparam)
{
cm_return_if_fail(pparam->type == P_BOOL);
cm_return_if_fail(*pparam->widget != NULL);
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(*pparam->widget),
*((gboolean *)pparam->data));
}
void prefs_set_data_from_spinbtn(PrefParam *pparam)
{
cm_return_if_fail(*pparam->widget != NULL);
switch (pparam->type) {
case P_INT:
*((gint *)pparam->data) =
gtk_spin_button_get_value_as_int
(GTK_SPIN_BUTTON(*pparam->widget));
break;
case P_USHORT:
*((gushort *)pparam->data) =
(gushort)gtk_spin_button_get_value_as_int
(GTK_SPIN_BUTTON(*pparam->widget));
break;
default:
g_warning("Invalid PrefType for GtkSpinButton widget: %d",
pparam->type);
}
}
void prefs_set_spinbtn(PrefParam *pparam)
{
cm_return_if_fail(*pparam->widget != NULL);
switch (pparam->type) {
case P_INT:
gtk_spin_button_set_value(GTK_SPIN_BUTTON(*pparam->widget),
(gfloat)*((gint *)pparam->data));
break;
case P_USHORT:
gtk_spin_button_set_value(GTK_SPIN_BUTTON(*pparam->widget),
(gfloat)*((gushort *)pparam->data));
break;
default:
g_warning("Invalid PrefType for GtkSpinButton widget: %d",
pparam->type);
}
}
static GSList *prefs_pages = NULL;
static void prefs_gtk_window_closed_cb(PrefsWindow *prefswindow)
{
if (prefswindow == NULL)
return;
if (prefswindow->dialog_response > PREFSWINDOW_RESPONSE_CANCEL)
prefs_common_write_config();
}
void prefs_gtk_open(void)
{
prefswindow_open(_("Preferences"), prefs_pages, NULL,
&prefs_common.prefswin_width, &prefs_common.prefswin_height,
NULL, prefs_gtk_window_closed_cb, prefs_gtk_window_closed_cb);
}
void prefs_gtk_register_page(PrefsPage *page)
{
prefs_pages = g_slist_append(prefs_pages, page);
}
void prefs_gtk_unregister_page(PrefsPage *page)
{
prefs_pages = g_slist_remove(prefs_pages, page);
}
static void prefs_destroy_whole_cache(gpointer to_free)
{
GHashTable *table = (GHashTable *)to_free;
g_hash_table_destroy(table);
}
static void prefs_destroy_file_cache(gpointer to_free)
{
GHashTable *table = (GHashTable *)to_free;
g_hash_table_destroy(table);
}
static int prefs_cache_sections(GHashTable *file_cache, const gchar *rcfile)
{
FILE *fp = NULL;
gchar buf[PREFSBUFSIZE];
GHashTable *section_cache = NULL;
if (rcfile)
fp = g_fopen(rcfile, "rb");
if (!fp) {
debug_print("cache: %s: %s\n", rcfile?rcfile:"(null)", g_strerror(errno));
return -1;
}
#ifdef HAVE_FGETS_UNLOCKED
flockfile(fp);
#endif
while (SC_FGETS(buf, sizeof(buf), fp) != NULL) {
strretchomp(buf);
if (buf[0] == '\0')
continue;
if (buf[0] == '#')
continue; /* comment */
if (buf[0] == '[') { /* new section */
gchar *blockname = g_strdup(buf+1);
if (strrchr(blockname, ']'))
*strrchr(blockname, ']') = '\0';
if ((section_cache = g_hash_table_lookup(file_cache, blockname)) == NULL) {
debug_print("new section '%s'\n", blockname);
section_cache = g_hash_table_new_full(g_str_hash, g_str_equal,
g_free, NULL);
g_hash_table_insert(file_cache,
blockname, section_cache);
} else {
debug_print("section '%s' already done\n", blockname);
g_free(blockname);
section_cache = NULL;
continue;
}
} else {
if (!section_cache) {
debug_print("skipping stuff %s with no section\n", buf);
continue;
} else {
gchar *pref;
if (!strchr(buf, '=')) {
/* plugins do differently */
continue;
}
pref = g_strdup(buf);
//debug_print("new pref '%s'\n", pref);
g_hash_table_insert(section_cache, pref, GINT_TO_POINTER(1));
}
}
}
#ifdef HAVE_FGETS_UNLOCKED
funlockfile(fp);
#endif
fclose(fp);
return 0;
}
static int prefs_cache(const gchar *rcfile)
{
GHashTable *file_cache = g_hash_table_new_full(g_str_hash, g_str_equal,
g_free, prefs_destroy_file_cache);
debug_print("new file '%s'\n", rcfile?rcfile:"(null)");
g_hash_table_insert(whole_cache, g_strdup(rcfile), file_cache);
return prefs_cache_sections(file_cache, rcfile);
}
void prefs_prepare_cache(void)
{
gchar *clawsrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, COMMON_RC, NULL);
gchar *folderitemrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, FOLDERITEM_RC, NULL);
gchar *accountrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, ACCOUNT_RC, NULL);
if (whole_cache == NULL) {
whole_cache = g_hash_table_new_full(g_str_hash, g_str_equal,
g_free, prefs_destroy_whole_cache);
} else {
debug_print("already cached\n");
g_free(clawsrc);
g_free(folderitemrc);
g_free(accountrc);
return;
}
if (prefs_cache(clawsrc) < 0 ||
prefs_cache(folderitemrc) < 0 ||
prefs_cache(accountrc) < 0)
prefs_destroy_cache();
g_free(clawsrc);
g_free(folderitemrc);
g_free(accountrc);
}
void prefs_destroy_cache(void)
{
if (!whole_cache) {
debug_print("no cache\n");
return;
}
debug_print("destroying cache\n");
g_hash_table_destroy(whole_cache);
whole_cache = NULL;
return;
}
static void prefs_parse_cache(gpointer key, gpointer value, gpointer user_data)
{
gchar *pref = (gchar *)key;
PrefParam *param = (PrefParam *)user_data;
prefs_config_parse_one_line(param, pref);
}
static gboolean prefs_read_config_from_cache(PrefParam *param, const gchar *label,
const gchar *rcfile)
{
GHashTable *sections_table = NULL;
GHashTable *values_table = NULL;
sections_table = g_hash_table_lookup(whole_cache, rcfile);
if (sections_table == NULL) {
g_warning("Can't find %s in the whole cache", rcfile?rcfile:"(null)");
return FALSE;
}
values_table = g_hash_table_lookup(sections_table, label);
if (values_table == NULL) {
debug_print("no '%s' section in '%s' cache\n", label?label:"(null)", rcfile?rcfile:"(null)");
return TRUE;
}
g_hash_table_foreach(values_table, prefs_parse_cache, param);
return TRUE;
}
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