made some core modules library (libsylph).

git-svn-id: svn://sylpheed.sraoss.jp/sylpheed/trunk@528 ee746299-78ed-0310-b773-934348b2243d

1 files changed, 0 insertions, 3436 deletions

diff --git a/src/utils.c b/src/utils.c
deleted file mode 100644
index dc72b814..00000000
--- a/src/utils.c
+++ /dev/null
@@ -1,3436 +0,0 @@
-/*
- * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
- * Copyright (C) 1999-2005 Hiroyuki Yamamoto
- *
- * 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 2 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#  include "config.h"
-#endif
-
-#include "defs.h"
-
-#include <glib.h>
-#include <glib/gi18n.h>
-#include <stdio.h>
-#include <string.h>
-#include <ctype.h>
-#include <errno.h>
-
-#if (HAVE_WCTYPE_H && HAVE_WCHAR_H)
-#  include <wchar.h>
-#  include <wctype.h>
-#endif
-#include <stdlib.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <stdarg.h>
-#include <sys/types.h>
-#if HAVE_SYS_WAIT_H
-#  include <sys/wait.h>
-#endif
-#include <dirent.h>
-#include <time.h>
-
-#ifdef G_OS_WIN32
-#  include <direct.h>
-#  include <io.h>
-#endif
-
-#include "utils.h"
-#include "socket.h"
-
-#define BUFFSIZE	8192
-
-static gboolean debug_mode = FALSE;
-
-
-#if !GLIB_CHECK_VERSION(2, 7, 0) && !defined(G_OS_UNIX)
-gint g_chdir(const gchar *path)
-{
-#ifdef G_OS_WIN32
-	if (G_WIN32_HAVE_WIDECHAR_API()) {
-		wchar_t *wpath;
-		gint retval;
-		gint save_errno;
-
-		wpath = g_utf8_to_utf16(path, -1, NULL, NULL, NULL);
-		if (wpath == NULL) {
-			errno = EINVAL;
-			return -1;
-		}
-
-		retval = _wchdir(wpath);
-		save_errno = errno;
-
-		g_free(wpath);
-
-		errno = save_errno;
-		return retval;
-	} else {
-		gchar *cp_path;
-		gint retval;
-		gint save_errno;
-
-		cp_path = g_locale_from_utf8(path, -1, NULL, NULL, NULL);
-		if (cp_path == NULL) {
-			errno = EINVAL;
-			return -1;
-		}
-
-		retval = chdir(cp_path);
-		save_errno = errno;
-
-		g_free(cp_path);
-
-		errno = save_errno;
-		return retval;
-	}
-#else
-	return chdir(path);
-#endif
-}
-
-gint g_chmod(const gchar *path, gint mode)
-{
-#ifdef G_OS_WIN32
-	if (G_WIN32_HAVE_WIDECHAR_API()) {
-		wchar_t *wpath;
-		gint retval;
-		gint save_errno;
-
-		wpath = g_utf8_to_utf16(path, -1, NULL, NULL, NULL);
-		if (wpath == NULL) {
-			errno = EINVAL;
-			return -1;
-		}
-
-		retval = _wchmod(wpath, mode);
-		save_errno = errno;
-
-		g_free(wpath);
-
-		errno = save_errno;
-		return retval;
-	} else {
-		gchar *cp_path;
-		gint retval;
-		gint save_errno;
-
-		cp_path = g_locale_from_utf8(path, -1, NULL, NULL, NULL);
-		if (cp_path == NULL) {
-			errno = EINVAL;
-			return -1;
-		}
-
-		retval = chmod(cp_path, mode);
-		save_errno = errno;
-
-		g_free(cp_path);
-
-		errno = save_errno;
-		return retval;
-	}
-#else
-	return chmod(path, mode);
-#endif
-}
-#endif /* GLIB_CHECK_VERSION && G_OS_UNIX */
-
-void list_free_strings(GList *list)
-{
-	list = g_list_first(list);
-
-	while (list != NULL) {
-		g_free(list->data);
-		list = list->next;
-	}
-}
-
-void slist_free_strings(GSList *list)
-{
-	while (list != NULL) {
-		g_free(list->data);
-		list = list->next;
-	}
-}
-
-static void hash_free_strings_func(gpointer key, gpointer value, gpointer data)
-{
-	g_free(key);
-}
-
-void hash_free_strings(GHashTable *table)
-{
-	g_hash_table_foreach(table, hash_free_strings_func, NULL);
-}
-
-static void hash_free_value_mem_func(gpointer key, gpointer value,
-				     gpointer data)
-{
-	g_free(value);
-}
-
-void hash_free_value_mem(GHashTable *table)
-{
-	g_hash_table_foreach(table, hash_free_value_mem_func, NULL);
-}
-
-gint str_case_equal(gconstpointer v, gconstpointer v2)
-{
-	return g_ascii_strcasecmp((const gchar *)v, (const gchar *)v2) == 0;
-}
-
-guint str_case_hash(gconstpointer key)
-{
-	const gchar *p = key;
-	guint h = *p;
-
-	if (h) {
-		h = g_ascii_tolower(h);
-		for (p += 1; *p != '\0'; p++)
-			h = (h << 5) - h + g_ascii_tolower(*p);
-	}
-
-	return h;
-}
-
-void ptr_array_free_strings(GPtrArray *array)
-{
-	gint i;
-	gchar *str;
-
-	g_return_if_fail(array != NULL);
-
-	for (i = 0; i < array->len; i++) {
-		str = g_ptr_array_index(array, i);
-		g_free(str);
-	}
-}
-
-gboolean str_find(const gchar *haystack, const gchar *needle)
-{
-	return strstr(haystack, needle) != NULL ? TRUE : FALSE;
-}
-
-gboolean str_case_find(const gchar *haystack, const gchar *needle)
-{
-	return strcasestr(haystack, needle) != NULL ? TRUE : FALSE;
-}
-
-gboolean str_find_equal(const gchar *haystack, const gchar *needle)
-{
-	return strcmp(haystack, needle) == 0;
-}
-
-gboolean str_case_find_equal(const gchar *haystack, const gchar *needle)
-{
-	return g_ascii_strcasecmp(haystack, needle) == 0;
-}
-
-gint to_number(const gchar *nstr)
-{
-	register const gchar *p;
-
-	if (*nstr == '\0') return -1;
-
-	for (p = nstr; *p != '\0'; p++)
-		if (!g_ascii_isdigit(*p)) return -1;
-
-	return atoi(nstr);
-}
-
-/* convert integer into string,
-   nstr must be not lower than 11 characters length */
-gchar *itos_buf(gchar *nstr, gint n)
-{
-	g_snprintf(nstr, 11, "%d", n);
-	return nstr;
-}
-
-/* convert integer into string */
-gchar *itos(gint n)
-{
-	static gchar nstr[11];
-
-	return itos_buf(nstr, n);
-}
-
-gchar *to_human_readable(off_t size)
-{
-	static gchar str[10];
-
-	if (size < 1024)
-		g_snprintf(str, sizeof(str), _("%dB"), (gint)size);
-	else if (size >> 10 < 1024)
-		g_snprintf(str, sizeof(str), _("%.1fKB"), (gfloat)size / (1 << 10));
-	else if (size >> 20 < 1024)
-		g_snprintf(str, sizeof(str), _("%.2fMB"), (gfloat)size / (1 << 20));
-	else
-		g_snprintf(str, sizeof(str), _("%.2fGB"), (gfloat)size / (1 << 30));
-
-	return str;
-}
-
-/* strcmp with NULL-checking */
-gint strcmp2(const gchar *s1, const gchar *s2)
-{
-	if (s1 == NULL || s2 == NULL)
-		return -1;
-	else
-		return strcmp(s1, s2);
-}
-
-/* compare paths */
-gint path_cmp(const gchar *s1, const gchar *s2)
-{
-	gint len1, len2;
-#ifdef G_OS_WIN32
-	gchar *s1_, *s2_;
-#endif
-
-	if (s1 == NULL || s2 == NULL) return -1;
-	if (*s1 == '\0' || *s2 == '\0') return -1;
-
-	len1 = strlen(s1);
-	len2 = strlen(s2);
-
-#ifdef G_OS_WIN32
-	Xstrdup_a(s1_, s1, return -1);
-	Xstrdup_a(s2_, s2, return -1);
-	subst_char(s1_, '/', G_DIR_SEPARATOR);
-	subst_char(s2_, '/', G_DIR_SEPARATOR);
-	if (s1_[len1 - 1] == G_DIR_SEPARATOR) len1--;
-	if (s2_[len2 - 1] == G_DIR_SEPARATOR) len2--;
-
-	return strncmp(s1_, s2_, MAX(len1, len2));
-#else
-	if (s1[len1 - 1] == G_DIR_SEPARATOR) len1--;
-	if (s2[len2 - 1] == G_DIR_SEPARATOR) len2--;
-
-	return strncmp(s1, s2, MAX(len1, len2));
-#endif
-}
-
-/* remove trailing return code */
-gchar *strretchomp(gchar *str)
-{
-	register gchar *s;
-
-	if (!*str) return str;
-
-	for (s = str + strlen(str) - 1;
-	     s >= str && (*s == '\n' || *s == '\r');
-	     s--)
-		*s = '\0';
-
-	return str;
-}
-
-/* remove trailing character */
-gchar *strtailchomp(gchar *str, gchar tail_char)
-{
-	register gchar *s;
-
-	if (!*str) return str;
-	if (tail_char == '\0') return str;
-
-	for (s = str + strlen(str) - 1; s >= str && *s == tail_char; s--)
-		*s = '\0';
-
-	return str;
-}
-
-/* remove CR (carriage return) */
-gchar *strcrchomp(gchar *str)
-{
-	register gchar *s;
-
-	if (!*str) return str;
-
-	s = str + strlen(str) - 1;
-	if (*s == '\n' && s > str && *(s - 1) == '\r') {
-		*(s - 1) = '\n';
-		*s = '\0';
-	}
-
-	return str;
-}
-
-/* Similar to `strstr' but this function ignores the case of both strings.  */
-gchar *strcasestr(const gchar *haystack, const gchar *needle)
-{
-	register size_t haystack_len, needle_len;
-
-	haystack_len = strlen(haystack);
-	needle_len   = strlen(needle);
-
-	if (haystack_len < needle_len || needle_len == 0)
-		return NULL;
-
-	while (haystack_len >= needle_len) {
-		if (!g_ascii_strncasecmp(haystack, needle, needle_len))
-			return (gchar *)haystack;
-		else {
-			haystack++;
-			haystack_len--;
-		}
-	}
-
-	return NULL;
-}
-
-gpointer my_memmem(gconstpointer haystack, size_t haystacklen,
-		   gconstpointer needle, size_t needlelen)
-{
-	const gchar *haystack_ = (const gchar *)haystack;
-	const gchar *needle_ = (const gchar *)needle;
-	const gchar *haystack_cur = (const gchar *)haystack;
-
-	if (needlelen == 1)
-		return memchr(haystack_, *needle_, haystacklen);
-
-	while ((haystack_cur = memchr(haystack_cur, *needle_, haystacklen))
-	       != NULL) {
-		if (haystacklen - (haystack_cur - haystack_) < needlelen)
-			break;
-		if (memcmp(haystack_cur + 1, needle_ + 1, needlelen - 1) == 0)
-			return (gpointer)haystack_cur;
-		else
-			haystack_cur++;
-	}
-
-	return NULL;
-}
-
-/* Copy no more than N characters of SRC to DEST, with NULL terminating.  */
-gchar *strncpy2(gchar *dest, const gchar *src, size_t n)
-{
-	register const gchar *s = src;
-	register gchar *d = dest;
-
-	while (--n && *s)
-		*d++ = *s++;
-	*d = '\0';
-
-	return dest;
-}
-
-#if !HAVE_ISWALNUM
-int iswalnum(wint_t wc)
-{
-	return g_ascii_isalnum((int)wc);
-}
-#endif
-
-#if !HAVE_ISWSPACE
-int iswspace(wint_t wc)
-{
-	return g_ascii_isspace((int)wc);
-}
-#endif
-
-#if !HAVE_TOWLOWER
-wint_t towlower(wint_t wc)
-{
-	if (wc >= L'A' && wc <= L'Z')
-		return wc + L'a' - L'A';
-
-	return wc;
-}
-#endif
-
-#if !HAVE_WCSLEN
-size_t wcslen(const wchar_t *s)
-{
-	size_t len = 0;
-
-	while (*s != L'\0')
-		++len, ++s;
-
-	return len;
-}
-#endif
-
-#if !HAVE_WCSCPY
-/* Copy SRC to DEST.  */
-wchar_t *wcscpy(wchar_t *dest, const wchar_t *src)
-{
-	wint_t c;
-	wchar_t *s = dest;
-
-	do {
-		c = *src++;
-		*dest++ = c;
-	} while (c != L'\0');
-
-	return s;
-}
-#endif
-
-#if !HAVE_WCSNCPY
-/* Copy no more than N wide-characters of SRC to DEST.  */
-wchar_t *wcsncpy (wchar_t *dest, const wchar_t *src, size_t n)
-{
-	wint_t c;
-	wchar_t *s = dest;
-
-	do {
-		c = *src++;
-		*dest++ = c;
-		if (--n == 0)
-			return s;
-	} while (c != L'\0');
-
-	/* zero fill */
-	do
-		*dest++ = L'\0';
-	while (--n > 0);
-
-	return s;
-}
-#endif
-
-/* Duplicate S, returning an identical malloc'd string. */
-wchar_t *wcsdup(const wchar_t *s)
-{
-	wchar_t *new_str;
-
-	if (s) {
-		new_str = g_new(wchar_t, wcslen(s) + 1);
-		wcscpy(new_str, s);
-	} else
-		new_str = NULL;
-
-	return new_str;
-}
-
-/* Duplicate no more than N wide-characters of S,
-   returning an identical malloc'd string. */
-wchar_t *wcsndup(const wchar_t *s, size_t n)
-{
-	wchar_t *new_str;
-
-	if (s) {
-		new_str = g_new(wchar_t, n + 1);
-		wcsncpy(new_str, s, n);
-		new_str[n] = (wchar_t)0;
-	} else
-		new_str = NULL;
-
-	return new_str;
-}
-
-wchar_t *strdup_mbstowcs(const gchar *s)
-{
-	wchar_t *new_str;
-
-	if (s) {
-		new_str = g_new(wchar_t, strlen(s) + 1);
-		if (mbstowcs(new_str, s, strlen(s) + 1) < 0) {
-			g_free(new_str);
-			new_str = NULL;
-		} else
-			new_str = g_realloc(new_str,
-					    sizeof(wchar_t) * (wcslen(new_str) + 1));
-	} else
-		new_str = NULL;
-
-	return new_str;
-}
-
-gchar *strdup_wcstombs(const wchar_t *s)
-{
-	gchar *new_str;
-	size_t len;
-
-	if (s) {
-		len = wcslen(s) * MB_CUR_MAX + 1;
-		new_str = g_new(gchar, len);
-		if (wcstombs(new_str, s, len) < 0) {
-			g_free(new_str);
-			new_str = NULL;
-		} else
-			new_str = g_realloc(new_str, strlen(new_str) + 1);
-	} else
-		new_str = NULL;
-
-	return new_str;
-}
-
-/* Compare S1 and S2, ignoring case.  */
-gint wcsncasecmp(const wchar_t *s1, const wchar_t *s2, size_t n)
-{
-	wint_t c1;
-	wint_t c2;
-
-	while (n--) {
-		c1 = towlower(*s1++);
-		c2 = towlower(*s2++);
-		if (c1 != c2)
-			return c1 - c2;
-		else if (c1 == 0 && c2 == 0)
-			break;
-	}
-
-	return 0;
-}
-
-/* Find the first occurrence of NEEDLE in HAYSTACK, ignoring case.  */
-wchar_t *wcscasestr(const wchar_t *haystack, const wchar_t *needle)
-{
-	register size_t haystack_len, needle_len;
-
-	haystack_len = wcslen(haystack);
-	needle_len   = wcslen(needle);
-
-	if (haystack_len < needle_len || needle_len == 0)
-		return NULL;
-
-	while (haystack_len >= needle_len) {
-		if (!wcsncasecmp(haystack, needle, needle_len))
-			return (wchar_t *)haystack;
-		else {
-			haystack++;
-			haystack_len--;
-		}
-	}
-
-	return NULL;
-}
-
-gint get_mbs_len(const gchar *s)
-{
-	const gchar *p = s;
-	gint mb_len;
-	gint len = 0;
-
-	if (!p)
-		return -1;
-
-	while (*p != '\0') {
-		mb_len = g_utf8_skip[*(guchar *)p];
-		if (mb_len == 0)
-			break;
-		else
-			len++;
-
-		p += mb_len;
-	}
-
-	return len;
-}
-
-/* Examine if next block is non-ASCII string */
-gboolean is_next_nonascii(const gchar *s)
-{
-	const gchar *p;
-
-	/* skip head space */
-	for (p = s; *p != '\0' && g_ascii_isspace(*p); p++)
-		;
-	for (; *p != '\0' && !g_ascii_isspace(*p); p++) {
-		if (*(guchar *)p > 127 || *(guchar *)p < 32)
-			return TRUE;
-	}
-
-	return FALSE;
-}
-
-gint get_next_word_len(const gchar *s)
-{
-	gint len = 0;
-
-	for (; *s != '\0' && !g_ascii_isspace(*s); s++, len++)
-		;
-
-	return len;
-}
-
-/* compare subjects */
-gint subject_compare(const gchar *s1, const gchar *s2)
-{
-	gchar *str1, *str2;
-
-	if (!s1 || !s2) return -1;
-	if (!*s1 || !*s2) return -1;
-
-	Xstrdup_a(str1, s1, return -1);
-	Xstrdup_a(str2, s2, return -1);
-
-	trim_subject_for_compare(str1);
-	trim_subject_for_compare(str2);
-
-	if (!*str1 || !*str2) return -1;
-
-	return strcmp(str1, str2);
-}
-
-gint subject_compare_for_sort(const gchar *s1, const gchar *s2)
-{
-	gchar *str1, *str2;
-
-	if (!s1 || !s2) return -1;
-
-	Xstrdup_a(str1, s1, return -1);
-	Xstrdup_a(str2, s2, return -1);
-
-	trim_subject_for_sort(str1);
-	trim_subject_for_sort(str2);
-
-	return g_ascii_strcasecmp(str1, str2);
-}
-
-void trim_subject_for_compare(gchar *str)
-{
-	gchar *srcp;
-
-	eliminate_parenthesis(str, '[', ']');
-	eliminate_parenthesis(str, '(', ')');
-	g_strstrip(str);
-
-	while (!g_ascii_strncasecmp(str, "Re:", 3)) {
-		srcp = str + 3;
-		while (g_ascii_isspace(*srcp)) srcp++;
-		memmove(str, srcp, strlen(srcp) + 1);
-	}
-}
-
-void trim_subject_for_sort(gchar *str)
-{
-	gchar *srcp;
-
-	g_strstrip(str);
-
-	while (!g_ascii_strncasecmp(str, "Re:", 3)) {
-		srcp = str + 3;
-		while (g_ascii_isspace(*srcp)) srcp++;
-		memmove(str, srcp, strlen(srcp) + 1);
-	}
-}
-
-void trim_subject(gchar *str)
-{
-	register gchar *srcp, *destp;
-	gchar op, cl;
-	gint in_brace;
-
-	destp = str;
-	while (!g_ascii_strncasecmp(destp, "Re:", 3)) {
-		destp += 3;
-		while (g_ascii_isspace(*destp)) destp++;
-	}
-
-	if (*destp == '[') {
-		op = '[';
-		cl = ']';
-	} else if (*destp == '(') {
-		op = '(';
-		cl = ')';
-	} else
-		return;
-
-	srcp = destp + 1;
-	in_brace = 1;
-	while (*srcp) {
-		if (*srcp == op)
-			in_brace++;
-		else if (*srcp == cl)
-			in_brace--;
-		srcp++;
-		if (in_brace == 0)
-			break;
-	}
-	while (g_ascii_isspace(*srcp)) srcp++;
-	memmove(destp, srcp, strlen(srcp) + 1);
-}
-
-void eliminate_parenthesis(gchar *str, gchar op, gchar cl)
-{
-	register gchar *srcp, *destp;
-	gint in_brace;
-
-	srcp = destp = str;
-
-	while ((destp = strchr(destp, op))) {
-		in_brace = 1;
-		srcp = destp + 1;
-		while (*srcp) {
-			if (*srcp == op)
-				in_brace++;
-			else if (*srcp == cl)
-				in_brace--;
-			srcp++;
-			if (in_brace == 0)
-				break;
-		}
-		while (g_ascii_isspace(*srcp)) srcp++;
-		memmove(destp, srcp, strlen(srcp) + 1);
-	}
-}
-
-void extract_parenthesis(gchar *str, gchar op, gchar cl)
-{
-	register gchar *srcp, *destp;
-	gint in_brace;
-
-	srcp = destp = str;
-
-	while ((srcp = strchr(destp, op))) {
-		if (destp > str)
-			*destp++ = ' ';
-		memmove(destp, srcp + 1, strlen(srcp));
-		in_brace = 1;
-		while(*destp) {
-			if (*destp == op)
-				in_brace++;
-			else if (*destp == cl)
-				in_brace--;
-
-			if (in_brace == 0)
-				break;
-
-			destp++;
-		}
-	}
-	*destp = '\0';
-}
-
-void extract_parenthesis_with_skip_quote(gchar *str, gchar quote_chr,
-					 gchar op, gchar cl)
-{
-	register gchar *srcp, *destp;
-	gint in_brace;
-	gboolean in_quote = FALSE;
-
-	srcp = destp = str;
-
-	while ((srcp = strchr_with_skip_quote(destp, quote_chr, op))) {
-		if (destp > str)
-			*destp++ = ' ';
-		memmove(destp, srcp + 1, strlen(srcp));
-		in_brace = 1;
-		while(*destp) {
-			if (*destp == op && !in_quote)
-				in_brace++;
-			else if (*destp == cl && !in_quote)
-				in_brace--;
-			else if (*destp == quote_chr)
-				in_quote ^= TRUE;
-
-			if (in_brace == 0)
-				break;
-
-			destp++;
-		}
-	}
-	*destp = '\0';
-}
-
-void eliminate_quote(gchar *str, gchar quote_chr)
-{
-	register gchar *srcp, *destp;
-
-	srcp = destp = str;
-
-	while ((destp = strchr(destp, quote_chr))) {
-		if ((srcp = strchr(destp + 1, quote_chr))) {
-			srcp++;
-			while (g_ascii_isspace(*srcp)) srcp++;
-			memmove(destp, srcp, strlen(srcp) + 1);
-		} else {
-			*destp = '\0';
-			break;
-		}
-	}
-}
-
-void extract_quote(gchar *str, gchar quote_chr)
-{
-	register gchar *p;
-
-	if ((str = strchr(str, quote_chr))) {
-		if ((p = strchr(str + 1, quote_chr))) {
-			*p = '\0';
-			memmove(str, str + 1, p - str);
-		}
-	}
-}
-
-void eliminate_address_comment(gchar *str)
-{
-	register gchar *srcp, *destp;
-	gint in_brace;
-
-	srcp = destp = str;
-
-	while ((destp = strchr(destp, '"'))) {
-		if ((srcp = strchr(destp + 1, '"'))) {
-			srcp++;
-			if (*srcp == '@') {
-				destp = srcp + 1;
-			} else {
-				while (g_ascii_isspace(*srcp)) srcp++;
-				memmove(destp, srcp, strlen(srcp) + 1);
-			}
-		} else {
-			*destp = '\0';
-			break;
-		}
-	}
-
-	srcp = destp = str;
-
-	while ((destp = strchr_with_skip_quote(destp, '"', '('))) {
-		in_brace = 1;
-		srcp = destp + 1;
-		while (*srcp) {
-			if (*srcp == '(')
-				in_brace++;
-			else if (*srcp == ')')
-				in_brace--;
-			srcp++;
-			if (in_brace == 0)
-				break;
-		}
-		while (g_ascii_isspace(*srcp)) srcp++;
-		memmove(destp, srcp, strlen(srcp) + 1);
-	}
-}
-
-gchar *strchr_with_skip_quote(const gchar *str, gint quote_chr, gint c)
-{
-	gboolean in_quote = FALSE;
-
-	while (*str) {
-		if (*str == c && !in_quote)
-			return (gchar *)str;
-		if (*str == quote_chr)
-			in_quote ^= TRUE;
-		str++;
-	}
-
-	return NULL;
-}
-
-gchar *strrchr_with_skip_quote(const gchar *str, gint quote_chr, gint c)
-{
-	gboolean in_quote = FALSE;
-	const gchar *p;
-
-	p = str + strlen(str) - 1;
-	while (p >= str) {
-		if (*p == c && !in_quote)
-			return (gchar *)p;
-		if (*p == quote_chr)
-			in_quote ^= TRUE;
-		p--;
-	}
-
-	return NULL;
-}
-
-void extract_address(gchar *str)
-{
-	eliminate_address_comment(str);
-	if (strchr_with_skip_quote(str, '"', '<'))
-		extract_parenthesis_with_skip_quote(str, '"', '<', '>');
-	g_strstrip(str);
-}
-
-void extract_list_id_str(gchar *str)
-{
-	if (strchr_with_skip_quote(str, '"', '<'))
-		extract_parenthesis_with_skip_quote(str, '"', '<', '>');
-	g_strstrip(str);
-}
-
-GSList *address_list_append(GSList *addr_list, const gchar *str)
-{
-	gchar *work;
-	gchar *workp;
-
-	if (!str) return addr_list;
-
-	Xstrdup_a(work, str, return addr_list);
-
-	eliminate_address_comment(work);
-	workp = work;
-
-	while (workp && *workp) {
-		gchar *p, *next;
-
-		if ((p = strchr_with_skip_quote(workp, '"', ','))) {
-			*p = '\0';
-			next = p + 1;
-		} else
-			next = NULL;
-
-		if (strchr_with_skip_quote(workp, '"', '<'))
-			extract_parenthesis_with_skip_quote
-				(workp, '"', '<', '>');
-
-		g_strstrip(workp);
-		if (*workp)
-			addr_list = g_slist_append(addr_list, g_strdup(workp));
-
-		workp = next;
-	}
-
-	return addr_list;
-}
-
-GSList *references_list_prepend(GSList *msgid_list, const gchar *str)
-{
-	const gchar *strp;
-
-	if (!str) return msgid_list;
-	strp = str;
-
-	while (strp && *strp) {
-		const gchar *start, *end;
-		gchar *msgid;
-
-		if ((start = strchr(strp, '<')) != NULL) {
-			end = strchr(start + 1, '>');
-			if (!end) break;
-		} else
-			break;
-
-		msgid = g_strndup(start + 1, end - start - 1);
-		g_strstrip(msgid);
-		if (*msgid)
-			msgid_list = g_slist_prepend(msgid_list, msgid);
-		else
-			g_free(msgid);
-
-		strp = end + 1;
-	}
-
-	return msgid_list;
-}
-
-GSList *references_list_append(GSList *msgid_list, const gchar *str)
-{
-	GSList *list;
-
-	list = references_list_prepend(NULL, str);
-	list = g_slist_reverse(list);
-	msgid_list = g_slist_concat(msgid_list, list);
-
-	return msgid_list;
-}
-
-GSList *newsgroup_list_append(GSList *group_list, const gchar *str)
-{
-	gchar *work;
-	gchar *workp;
-
-	if (!str) return group_list;
-
-	Xstrdup_a(work, str, return group_list);
-
-	workp = work;
-
-	while (workp && *workp) {
-		gchar *p, *next;
-
-		if ((p = strchr_with_skip_quote(workp, '"', ','))) {
-			*p = '\0';
-			next = p + 1;
-		} else
-			next = NULL;
-
-		g_strstrip(workp);
-		if (*workp)
-			group_list = g_slist_append(group_list,
-						    g_strdup(workp));
-
-		workp = next;
-	}
-
-	return group_list;
-}
-
-GList *add_history(GList *list, const gchar *str)
-{
-	GList *old;
-
-	g_return_val_if_fail(str != NULL, list);
-
-	old = g_list_find_custom(list, (gpointer)str, (GCompareFunc)strcmp2);
-	if (old) {
-		g_free(old->data);
-		list = g_list_remove(list, old->data);
-	} else if (g_list_length(list) >= MAX_HISTORY_SIZE) {
-		GList *last;
-
-		last = g_list_last(list);
-		if (last) {
-			g_free(last->data);
-			g_list_remove(list, last->data);
-		}
-	}
-
-	list = g_list_prepend(list, g_strdup(str));
-
-	return list;
-}
-
-void remove_return(gchar *str)
-{
-	register gchar *p = str;
-
-	while (*p) {
-		if (*p == '\n' || *p == '\r')
-			memmove(p, p + 1, strlen(p));
-		else
-			p++;
-	}
-}
-
-void remove_space(gchar *str)
-{
-	register gchar *p = str;
-	register gint spc;
-
-	while (*p) {
-		spc = 0;
-		while (g_ascii_isspace(*(p + spc)))
-			spc++;
-		if (spc)
-			memmove(p, p + spc, strlen(p + spc) + 1);
-		else
-			p++;
-	}
-}
-
-void unfold_line(gchar *str)
-{
-	register gchar *p = str;
-	register gint spc;
-
-	while (*p) {
-		if (*p == '\n' || *p == '\r') {
-			*p++ = ' ';
-			spc = 0;
-			while (g_ascii_isspace(*(p + spc)))
-				spc++;
-			if (spc)
-				memmove(p, p + spc, strlen(p + spc) + 1);
-		} else
-			p++;
-	}
-}
-
-void subst_char(gchar *str, gchar orig, gchar subst)
-{
-	register gchar *p = str;
-
-	while (*p) {
-		if (*p == orig)
-			*p = subst;
-		p++;
-	}
-}
-
-void subst_chars(gchar *str, gchar *orig, gchar subst)
-{
-	register gchar *p = str;
-
-	while (*p) {
-		if (strchr(orig, *p) != NULL)
-			*p = subst;
-		p++;
-	}
-}
-
-void subst_null(gchar *str, gint len, gchar subst)
-{
-	register gchar *p = str;
-
-	while (len--) {
-		if (*p == '\0')
-			*p = subst;
-		p++;
-	}
-}
-
-void subst_for_filename(gchar *str)
-{
-	subst_chars(str, " \t\r\n\"'/\\", '_');
-}
-
-gboolean is_header_line(const gchar *str)
-{
-	if (str[0] == ':') return FALSE;
-
-	while (*str != '\0' && *str != ' ') {
-		if (*str == ':')
-			return TRUE;
-		str++;
-	}
-
-	return FALSE;
-}
-
-gboolean is_ascii_str(const gchar *str)
-{
-	const guchar *p = (const guchar *)str;
-
-	while (*p != '\0') {
-		if (*p != '\t' && *p != ' ' &&
-		    *p != '\r' && *p != '\n' &&
-		    (*p < 32 || *p >= 127))
-			return FALSE;
-		p++;
-	}
-
-	return TRUE;
-}
-
-gint get_quote_level(const gchar *str)
-{
-	const gchar *first_pos;
-	const gchar *last_pos;
-	const gchar *p = str;
-	gint quote_level = -1;
-
-	/* speed up line processing by only searching to the last '>' */
-	if ((first_pos = strchr(str, '>')) != NULL) {
-		/* skip a line if it contains a '<' before the initial '>' */
-		if (memchr(str, '<', first_pos - str) != NULL)
-			return -1;
-		last_pos = strrchr(first_pos, '>');
-	} else
-		return -1;
-
-	while (p <= last_pos) {
-		while (p < last_pos) {
-			if (g_ascii_isspace(*p))
-				p++;
-			else
-				break;
-		}
-
-		if (*p == '>')
-			quote_level++;
-		else if (*p != '-' && !g_ascii_isspace(*p) && p <= last_pos) {
-			/* any characters are allowed except '-' and space */
-			while (*p != '-' && *p != '>' && !g_ascii_isspace(*p) &&
-			       p < last_pos)
-				p++;
-			if (*p == '>')
-				quote_level++;
-			else
-				break;
-		}
-
-		p++;
-	}
-
-	return quote_level;
-}
-
-gint check_line_length(const gchar *str, gint max_chars, gint *line)
-{
-	const gchar *p = str, *q;
-	gint cur_line = 0, len;
-
-	while ((q = strchr(p, '\n')) != NULL) {
-		len = q - p + 1;
-		if (len > max_chars) {
-			if (line)
-				*line = cur_line;
-			return -1;
-		}
-		p = q + 1;
-		++cur_line;
-	}
-
-	len = strlen(p);
-	if (len > max_chars) {
-		if (line)
-			*line = cur_line;
-		return -1;
-	}
-
-	return 0;
-}
-
-gchar *strstr_with_skip_quote(const gchar *haystack, const gchar *needle)
-{
-	register guint haystack_len, needle_len;
-	gboolean in_squote = FALSE, in_dquote = FALSE;
-
-	haystack_len = strlen(haystack);
-	needle_len   = strlen(needle);
-
-	if (haystack_len < needle_len || needle_len == 0)
-		return NULL;
-
-	while (haystack_len >= needle_len) {
-		if (!in_squote && !in_dquote &&
-		    !strncmp(haystack, needle, needle_len))
-			return (gchar *)haystack;
-
-		/* 'foo"bar"' -> foo"bar"
-		   "foo'bar'" -> foo'bar' */
-		if (*haystack == '\'') {
-			if (in_squote)
-				in_squote = FALSE;
-			else if (!in_dquote)
-				in_squote = TRUE;
-		} else if (*haystack == '\"') {
-			if (in_dquote)
-				in_dquote = FALSE;
-			else if (!in_squote)
-				in_dquote = TRUE;
-		}
-
-		haystack++;
-		haystack_len--;
-	}
-
-	return NULL;
-}
-
-gchar *strchr_parenthesis_close(const gchar *str, gchar op, gchar cl)
-{
-	const gchar *p;
-	gchar quote_chr = '"';
-	gint in_brace;
-	gboolean in_quote = FALSE;
-
-	p = str;
-
-	if ((p = strchr_with_skip_quote(p, quote_chr, op))) {
-		p++;
-		in_brace = 1;
-		while (*p) {
-			if (*p == op && !in_quote)
-				in_brace++;
-			else if (*p == cl && !in_quote)
-				in_brace--;
-			else if (*p == quote_chr)
-				in_quote ^= TRUE;
-
-			if (in_brace == 0)
-				return (gchar *)p;
-
-			p++;
-		}
-	}
-
-	return NULL;
-}
-
-gchar **strsplit_parenthesis(const gchar *str, gchar op, gchar cl,
-			     gint max_tokens)
-{
-	GSList *string_list = NULL, *slist;
-	gchar **str_array;
-	const gchar *s_op, *s_cl;
-	guint i, n = 1;
-
-	g_return_val_if_fail(str != NULL, NULL);
-
-	if (max_tokens < 1)
-		max_tokens = G_MAXINT;
-
-	s_op = strchr_with_skip_quote(str, '"', op);
-	if (!s_op) return NULL;
-	str = s_op;
-	s_cl = strchr_parenthesis_close(str, op, cl);
-	if (s_cl) {
-		do {
-			guint len;
-			gchar *new_string;
-
-			str++;
-			len = s_cl - str;
-			new_string = g_new(gchar, len + 1);
-			strncpy(new_string, str, len);
-			new_string[len] = 0;
-			string_list = g_slist_prepend(string_list, new_string);
-			n++;
-			str = s_cl + 1;
-
-			while (*str && g_ascii_isspace(*str)) str++;
-			if (*str != op) {
-				string_list = g_slist_prepend(string_list,
-							      g_strdup(""));
-				n++;
-				s_op = strchr_with_skip_quote(str, '"', op);
-				if (!--max_tokens || !s_op) break;
-				str = s_op;
-			} else
-				s_op = str;
-			s_cl = strchr_parenthesis_close(str, op, cl);
-		} while (--max_tokens && s_cl);
-	}
-
-	str_array = g_new(gchar*, n);
-
-	i = n - 1;
-
-	str_array[i--] = NULL;
-	for (slist = string_list; slist; slist = slist->next)
-		str_array[i--] = slist->data;
-
-	g_slist_free(string_list);
-
-	return str_array;
-}
-
-gchar **strsplit_with_quote(const gchar *str, const gchar *delim,
-			    gint max_tokens)
-{
-	GSList *string_list = NULL, *slist;
-	gchar **str_array, *s, *new_str;
-	guint i, n = 1, len;
-
-	g_return_val_if_fail(str != NULL, NULL);
-	g_return_val_if_fail(delim != NULL, NULL);
-
-	if (max_tokens < 1)
-		max_tokens = G_MAXINT;
-
-	s = strstr_with_skip_quote(str, delim);
-	if (s) {
-		guint delimiter_len = strlen(delim);
-
-		do {
-			len = s - str;
-			new_str = g_strndup(str, len);
-
-			if (new_str[0] == '\'' || new_str[0] == '\"') {
-				if (new_str[len - 1] == new_str[0]) {
-					new_str[len - 1] = '\0';
-					memmove(new_str, new_str + 1, len - 1);
-				}
-			}
-			string_list = g_slist_prepend(string_list, new_str);
-			n++;
-			str = s + delimiter_len;
-			s = strstr_with_skip_quote(str, delim);
-		} while (--max_tokens && s);
-	}
-
-	if (*str) {
-		new_str = g_strdup(str);
-		if (new_str[0] == '\'' || new_str[0] == '\"') {
-			len = strlen(str);
-			if (new_str[len - 1] == new_str[0]) {
-				new_str[len - 1] = '\0';
-				memmove(new_str, new_str + 1, len - 1);
-			}
-		}
-		string_list = g_slist_prepend(string_list, new_str);
-		n++;
-	}
-
-	str_array = g_new(gchar*, n);
-
-	i = n - 1;
-
-	str_array[i--] = NULL;
-	for (slist = string_list; slist; slist = slist->next)
-		str_array[i--] = slist->data;
-
-	g_slist_free(string_list);
-
-	return str_array;
-}
-
-gchar *get_abbrev_newsgroup_name(const gchar *group, gint len)
-{
-	gchar *abbrev_group;
-	gchar *ap;
-	const gchar *p = group;
-	const gchar *last;
-
-	last = group + strlen(group);
-	abbrev_group = ap = g_malloc(strlen(group) + 1);
-
-	while (*p) {
-		while (*p == '.')
-			*ap++ = *p++;
-		if ((ap - abbrev_group) + (last - p) > len && strchr(p, '.')) {
-			*ap++ = *p++;
-			while (*p != '.') p++;
-		} else {
-			strcpy(ap, p);
-			return abbrev_group;
-		}
-	}
-
-	*ap = '\0';
-	return abbrev_group;
-}
-
-gchar *trim_string(const gchar *str, gint len)
-{
-	const gchar *p = str;
-	gint mb_len;
-	gchar *new_str;
-	gint new_len = 0;
-
-	if (!str) return NULL;
-	if (strlen(str) <= len)
-		return g_strdup(str);
-	if (g_utf8_validate(str, -1, NULL) == FALSE)
-		return g_strdup(str);
-
-	while (*p != '\0') {
-		mb_len = g_utf8_skip[*(guchar *)p];
-		if (mb_len == 0)
-			break;
-		else if (new_len + mb_len > len)
-			break;
-
-		new_len += mb_len;
-		p += mb_len;
-	}
-
-	Xstrndup_a(new_str, str, new_len, return g_strdup(str));
-	return g_strconcat(new_str, "...", NULL);
-}
-
-gchar *trim_string_before(const gchar *str, gint len)
-{
-	const gchar *p = str;
-	gint mb_len;
-	gint new_len;
-
-	if (!str) return NULL;
-	if ((new_len = strlen(str)) <= len)
-		return g_strdup(str);
-	if (g_utf8_validate(str, -1, NULL) == FALSE)
-		return g_strdup(str);
-
-	while (*p != '\0') {
-		mb_len = g_utf8_skip[*(guchar *)p];
-		if (mb_len == 0)
-			break;
-
-		new_len -= mb_len;
-		p += mb_len;
-
-		if (new_len <= len)
-			break;
-	}
-
-	return g_strconcat("...", p, NULL);
-}
-
-GList *uri_list_extract_filenames(const gchar *uri_list)
-{
-	GList *result = NULL;
-	const gchar *p, *q;
-	gchar *file;
-
-	p = uri_list;
-
-	while (p) {
-		if (*p != '#') {
-			while (g_ascii_isspace(*p)) p++;
-			if (!strncmp(p, "file:", 5)) {
-				p += 5;
-				while (*p == '/' && *(p + 1) == '/') p++;
-				q = p;
-				while (*q && *q != '\n' && *q != '\r') q++;
-
-				if (q > p) {
-					q--;
-					while (q > p && g_ascii_isspace(*q))
-						q--;
-					file = g_malloc(q - p + 2);
-					strncpy(file, p, q - p + 1);
-					file[q - p + 1] = '\0';
-					decode_uri(file, file);
-					result = g_list_append(result,file);
-				}
-			}
-		}
-		p = strchr(p, '\n');
-		if (p) p++;
-	}
-
-	return result;
-}
-
-#define HEX_TO_INT(val, hex) \
-{ \
-	gchar c = hex; \
- \
-	if ('0' <= c && c <= '9') { \
-		val = c - '0'; \
-	} else if ('a' <= c && c <= 'f') { \
-		val = c - 'a' + 10; \
-	} else if ('A' <= c && c <= 'F') { \
-		val = c - 'A' + 10; \
-	} else { \
-		val = 0; \
-	} \
-}
-
-/* Converts two-digit hexadecimal to decimal. Used for unescaping escaped
- * characters.
- */
-static gint axtoi(const gchar *hex_str)
-{
-	gint hi, lo;
-
-	HEX_TO_INT(hi, hex_str[0]);
-	HEX_TO_INT(lo, hex_str[1]);
-
-	return (hi << 4) + lo;
-}
-
-gboolean is_uri_string(const gchar *str)
-{
-	return (g_ascii_strncasecmp(str, "http://", 7) == 0 ||
-		g_ascii_strncasecmp(str, "https://", 8) == 0 ||
-		g_ascii_strncasecmp(str, "ftp://", 6) == 0 ||
-		g_ascii_strncasecmp(str, "www.", 4) == 0);
-}
-
-gchar *get_uri_path(const gchar *uri)
-{
-	if (g_ascii_strncasecmp(uri, "http://", 7) == 0)
-		return (gchar *)(uri + 7);
-	else if (g_ascii_strncasecmp(uri, "https://", 8) == 0)
-		return (gchar *)(uri + 8);
-	else if (g_ascii_strncasecmp(uri, "ftp://", 6) == 0)
-		return (gchar *)(uri + 6);
-	else
-		return (gchar *)uri;
-}
-
-gint get_uri_len(const gchar *str)
-{
-	const gchar *p;
-
-	if (is_uri_string(str)) {
-		for (p = str; *p != '\0'; p++) {
-			if (!g_ascii_isgraph(*p) || strchr("()<>\"", *p))
-				break;
-		}
-		return p - str;
-	}
-
-	return 0;
-}
-
-/* Decodes URL-Encoded strings (i.e. strings in which spaces are replaced by
- * plusses, and escape characters are used)
- * Note: decoded_uri and encoded_uri can point the same location
- */
-void decode_uri(gchar *decoded_uri, const gchar *encoded_uri)
-{
-	gchar *dec = decoded_uri;
-	const gchar *enc = encoded_uri;
-
-	while (*enc) {
-		if (*enc == '%') {
-			enc++;
-			if (isxdigit((guchar)enc[0]) &&
-			    isxdigit((guchar)enc[1])) {
-				*dec = axtoi(enc);
-				dec++;
-				enc += 2;
-			}
-		} else {
-			if (*enc == '+')
-				*dec = ' ';
-			else
-				*dec = *enc;
-			dec++;
-			enc++;
-		}
-	}
-
-	*dec = '\0';
-}
-
-gchar *encode_uri(const gchar *filename)
-{
-	gchar *uri;
-
-	uri = g_filename_to_uri(filename, NULL, NULL);
-	if (!uri)
-		uri = g_strconcat("file://", filename, NULL);
-
-	return uri;
-}
-
-gint scan_mailto_url(const gchar *mailto, gchar **to, gchar **cc, gchar **bcc,
-		     gchar **subject, gchar **body)
-{
-	gchar *tmp_mailto;
-	gchar *p;
-
-	Xstrdup_a(tmp_mailto, mailto, return -1);
-
-	if (!strncmp(tmp_mailto, "mailto:", 7))
-		tmp_mailto += 7;
-
-	p = strchr(tmp_mailto, '?');
-	if (p) {
-		*p = '\0';
-		p++;
-	}
-
-	if (to && !*to)
-		*to = g_strdup(tmp_mailto);
-
-	while (p) {
-		gchar *field, *value;
-
-		field = p;
-
-		p = strchr(p, '=');
-		if (!p) break;
-		*p = '\0';
-		p++;
-
-		value = p;
-
-		p = strchr(p, '&');
-		if (p) {
-			*p = '\0';
-			p++;
-		}
-
-		if (*value == '\0') continue;
-
-		if (cc && !*cc && !g_ascii_strcasecmp(field, "cc")) {
-			*cc = g_strdup(value);
-		} else if (bcc && !*bcc && !g_ascii_strcasecmp(field, "bcc")) {
-			*bcc = g_strdup(value);
-		} else if (subject && !*subject &&
-			   !g_ascii_strcasecmp(field, "subject")) {
-			*subject = g_malloc(strlen(value) + 1);
-			decode_uri(*subject, value);
-		} else if (body && !*body &&
-			   !g_ascii_strcasecmp(field, "body")) {
-			*body = g_malloc(strlen(value) + 1);
-			decode_uri(*body, value);
-		}
-	}
-
-	return 0;
-}
-
-const gchar *get_home_dir(void)
-{
-#ifdef G_OS_WIN32
-	static const gchar *home_dir = NULL;
-
-	if (!home_dir) {
-		home_dir = g_get_home_dir();
-		if (!home_dir)
-			home_dir = "C:\\Sylpheed";
-	}
-
-	return home_dir;
-#else
-	return g_get_home_dir();
-#endif
-}
-
-const gchar *get_rc_dir(void)
-{
-	static gchar *rc_dir = NULL;
-
-	if (!rc_dir)
-#ifdef G_OS_WIN32
-		rc_dir = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
-				     "Application Data", G_DIR_SEPARATOR_S,
-				     RC_DIR, NULL);
-#else
-		rc_dir = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
-				     RC_DIR, NULL);
-#endif
-
-	return rc_dir;
-}
-
-const gchar *get_old_rc_dir(void)
-{
-	static gchar *old_rc_dir = NULL;
-
-	if (!old_rc_dir)
-		old_rc_dir = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
-					 OLD_RC_DIR, NULL);
-
-	return old_rc_dir;
-}
-
-const gchar *get_mail_base_dir(void)
-{
-#ifdef G_OS_WIN32
-	static gchar *mail_base_dir = NULL;
-
-	if (!mail_base_dir)
-		mail_base_dir = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
-					    "Mailboxes", NULL);
-
-	return mail_base_dir;
-#else
-	return get_home_dir();
-#endif
-}
-
-const gchar *get_news_cache_dir(void)
-{
-	static gchar *news_cache_dir = NULL;
-
-	if (!news_cache_dir)
-		news_cache_dir = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
-					     NEWS_CACHE_DIR, NULL);
-
-	return news_cache_dir;
-}
-
-const gchar *get_imap_cache_dir(void)
-{
-	static gchar *imap_cache_dir = NULL;
-
-	if (!imap_cache_dir)
-		imap_cache_dir = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
-					     IMAP_CACHE_DIR, NULL);
-
-	return imap_cache_dir;
-}
-
-const gchar *get_mime_tmp_dir(void)
-{
-	static gchar *mime_tmp_dir = NULL;
-
-	if (!mime_tmp_dir)
-		mime_tmp_dir = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
-					   MIME_TMP_DIR, NULL);
-
-	return mime_tmp_dir;
-}
-
-const gchar *get_template_dir(void)
-{
-	static gchar *template_dir = NULL;
-
-	if (!template_dir)
-		template_dir = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
-					   TEMPLATE_DIR, NULL);
-
-	return template_dir;
-}
-
-const gchar *get_tmp_dir(void)
-{
-	static gchar *tmp_dir = NULL;
-
-	if (!tmp_dir)
-		tmp_dir = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
-				      TMP_DIR, NULL);
-
-	return tmp_dir;
-}
-
-gchar *get_tmp_file(void)
-{
-	gchar *tmp_file;
-	static guint32 id = 0;
-
-	tmp_file = g_strdup_printf("%s%ctmpfile.%08x",
-				   get_tmp_dir(), G_DIR_SEPARATOR, id++);
-
-	return tmp_file;
-}
-
-const gchar *get_domain_name(void)
-{
-#ifdef G_OS_UNIX
-	static gchar *domain_name = NULL;
-
-	if (!domain_name) {
-		gchar buf[128] = "";
-		struct hostent *hp;
-
-		if (gethostname(buf, sizeof(buf)) < 0) {
-			perror("gethostname");
-			domain_name = "unknown";
-		} else {
-			buf[sizeof(buf) - 1] = '\0';
-			if ((hp = my_gethostbyname(buf)) == NULL) {
-				perror("gethostbyname");
-				domain_name = g_strdup(buf);
-			} else {
-				domain_name = g_strdup(hp->h_name);
-			}
-		}
-
-		debug_print("domain name = %s\n", domain_name);
-	}
-
-	return domain_name;
-#else
-	return "unknown";
-#endif
-}
-
-off_t get_file_size(const gchar *file)
-{
-	struct stat s;
-
-	if (g_stat(file, &s) < 0) {
-		FILE_OP_ERROR(file, "stat");
-		return -1;
-	}
-
-	return s.st_size;
-}
-
-off_t get_file_size_as_crlf(const gchar *file)
-{
-	FILE *fp;
-	off_t size = 0;
-	gchar buf[BUFFSIZE];
-
-	if ((fp = g_fopen(file, "rb")) == NULL) {
-		FILE_OP_ERROR(file, "fopen");
-		return -1;
-	}
-
-	while (fgets(buf, sizeof(buf), fp) != NULL) {
-		strretchomp(buf);
-		size += strlen(buf) + 2;
-	}
-
-	if (ferror(fp)) {
-		FILE_OP_ERROR(file, "fgets");
-		size = -1;
-	}
-
-	fclose(fp);
-
-	return size;
-}
-
-off_t get_left_file_size(FILE *fp)
-{
-	glong pos;
-	glong end;
-	off_t size;
-
-	if ((pos = ftell(fp)) < 0) {
-		perror("ftell");
-		return -1;
-	}
-	if (fseek(fp, 0L, SEEK_END) < 0) {
-		perror("fseek");
-		return -1;
-	}
-	if ((end = ftell(fp)) < 0) {
-		perror("fseek");
-		return -1;
-	}
-	size = end - pos;
-	if (fseek(fp, pos, SEEK_SET) < 0) {
-		perror("fseek");
-		return -1;
-	}
-
-	return size;
-}
-
-gboolean file_exist(const gchar *file, gboolean allow_fifo)
-{
-	struct stat s;
-
-	if (file == NULL)
-		return FALSE;
-
-	if (g_stat(file, &s) < 0) {
-		if (ENOENT != errno) FILE_OP_ERROR(file, "stat");
-		return FALSE;
-	}
-
-	if (S_ISREG(s.st_mode) || (allow_fifo && S_ISFIFO(s.st_mode)))
-		return TRUE;
-
-	return FALSE;
-}
-
-gboolean is_dir_exist(const gchar *dir)
-{
-	if (dir == NULL)
-		return FALSE;
-
-	return g_file_test(dir, G_FILE_TEST_IS_DIR);
-}
-
-gboolean is_file_entry_exist(const gchar *file)
-{
-	if (file == NULL)
-		return FALSE;
-
-	return g_file_test(file, G_FILE_TEST_EXISTS);
-}
-
-gboolean dirent_is_regular_file(struct dirent *d)
-{
-#ifdef HAVE_DIRENT_D_TYPE
-	if (d->d_type == DT_REG)
-		return TRUE;
-	else if (d->d_type != DT_UNKNOWN)
-		return FALSE;
-#endif
-
-	return g_file_test(d->d_name, G_FILE_TEST_IS_REGULAR);
-}
-
-gboolean dirent_is_directory(struct dirent *d)
-{
-#ifdef HAVE_DIRENT_D_TYPE
-	if (d->d_type == DT_DIR)
-		return TRUE;
-	else if (d->d_type != DT_UNKNOWN)
-		return FALSE;
-#endif
-
-	return g_file_test(d->d_name, G_FILE_TEST_IS_DIR);
-}
-
-gint change_dir(const gchar *dir)
-{
-	gchar *prevdir = NULL;
-
-	if (debug_mode)
-		prevdir = g_get_current_dir();
-
-	if (g_chdir(dir) < 0) {
-		FILE_OP_ERROR(dir, "chdir");
-		if (debug_mode) g_free(prevdir);
-		return -1;
-	} else if (debug_mode) {
-		gchar *cwd;
-
-		cwd = g_get_current_dir();
-		if (strcmp(prevdir, cwd) != 0)
-			g_print("current dir: %s\n", cwd);
-		g_free(cwd);
-		g_free(prevdir);
-	}
-
-	return 0;
-}
-
-gint make_dir(const gchar *dir)
-{
-	if (g_mkdir(dir, S_IRWXU) < 0) {
-		FILE_OP_ERROR(dir, "mkdir");
-		return -1;
-	}
-	if (g_chmod(dir, S_IRWXU) < 0)
-		FILE_OP_ERROR(dir, "chmod");
-
-	return 0;
-}
-
-gint make_dir_hier(const gchar *dir)
-{
-	gchar *parent_dir;
-	const gchar *p;
-
-	for (p = dir; (p = strchr(p, G_DIR_SEPARATOR)) != NULL; p++) {
-		parent_dir = g_strndup(dir, p - dir);
-		if (*parent_dir != '\0') {
-			if (!is_dir_exist(parent_dir)) {
-				if (make_dir(parent_dir) < 0) {
-					g_free(parent_dir);
-					return -1;
-				}
-			}
-		}
-		g_free(parent_dir);
-	}
-
-	if (!is_dir_exist(dir)) {
-		if (make_dir(dir) < 0)
-			return -1;
-	}
-
-	return 0;
-}
-
-gint remove_all_files(const gchar *dir)
-{
-	GDir *dp;
-	const gchar *dir_name;
-	gchar *prev_dir;
-
-	prev_dir = g_get_current_dir();
-
-	if (g_chdir(dir) < 0) {
-		FILE_OP_ERROR(dir, "chdir");
-		g_free(prev_dir);
-		return -1;
-	}
-
-	if ((dp = g_dir_open(".", 0, NULL)) == NULL) {
-		g_warning("failed to open directory: %s\n", dir);
-		g_free(prev_dir);
-		return -1;
-	}
-
-	while ((dir_name = g_dir_read_name(dp)) != NULL) {
-		if (g_unlink(dir_name) < 0)
-			FILE_OP_ERROR(dir_name, "unlink");
-	}
-
-	g_dir_close(dp);
-
-	if (g_chdir(prev_dir) < 0) {
-		FILE_OP_ERROR(prev_dir, "chdir");
-		g_free(prev_dir);
-		return -1;
-	}
-
-	g_free(prev_dir);
-
-	return 0;
-}
-
-gint remove_numbered_files(const gchar *dir, guint first, guint last)
-{
-	GDir *dp;
-	const gchar *dir_name;
-	gchar *prev_dir;
-	gint file_no;
-
-	prev_dir = g_get_current_dir();
-
-	if (g_chdir(dir) < 0) {
-		FILE_OP_ERROR(dir, "chdir");
-		g_free(prev_dir);
-		return -1;
-	}
-
-	if ((dp = g_dir_open(".", 0, NULL)) == NULL) {
-		g_warning("failed to open directory: %s\n", dir);
-		g_free(prev_dir);
-		return -1;
-	}
-
-	while ((dir_name = g_dir_read_name(dp)) != NULL) {
-		file_no = to_number(dir_name);
-		if (file_no > 0 && first <= file_no && file_no <= last) {
-			if (is_dir_exist(dir_name))
-				continue;
-			if (g_unlink(dir_name) < 0)
-				FILE_OP_ERROR(dir_name, "unlink");
-		}
-	}
-
-	g_dir_close(dp);
-
-	if (g_chdir(prev_dir) < 0) {
-		FILE_OP_ERROR(prev_dir, "chdir");
-		g_free(prev_dir);
-		return -1;
-	}
-
-	g_free(prev_dir);
-
-	return 0;
-}
-
-gint remove_all_numbered_files(const gchar *dir)
-{
-	return remove_numbered_files(dir, 0, UINT_MAX);
-}
-
-gint remove_expired_files(const gchar *dir, guint hours)
-{
-	GDir *dp;
-	const gchar *dir_name;
-	struct stat s;
-	gchar *prev_dir;
-	gint file_no;
-	time_t mtime, now, expire_time;
-
-	prev_dir = g_get_current_dir();
-
-	if (g_chdir(dir) < 0) {
-		FILE_OP_ERROR(dir, "chdir");
-		g_free(prev_dir);
-		return -1;
-	}
-
-	if ((dp = g_dir_open(".", 0, NULL)) == NULL) {
-		g_warning("failed to open directory: %s\n", dir);
-		g_free(prev_dir);
-		return -1;
-	}
-
-	now = time(NULL);
-	expire_time = hours * 60 * 60;
-
-	while ((dir_name = g_dir_read_name(dp)) != NULL) {
-		file_no = to_number(dir_name);
-		if (file_no > 0) {
-			if (g_stat(dir_name, &s) < 0) {
-				FILE_OP_ERROR(dir_name, "stat");
-				continue;
-			}
-			if (S_ISDIR(s.st_mode))
-				continue;
-			mtime = MAX(s.st_mtime, s.st_atime);
-			if (now - mtime > expire_time) {
-				if (g_unlink(dir_name) < 0)
-					FILE_OP_ERROR(dir_name, "unlink");
-			}
-		}
-	}
-
-	g_dir_close(dp);
-
-	if (g_chdir(prev_dir) < 0) {
-		FILE_OP_ERROR(prev_dir, "chdir");
-		g_free(prev_dir);
-		return -1;
-	}
-
-	g_free(prev_dir);
-
-	return 0;
-}
-
-static gint remove_dir_recursive_real(const gchar *dir)
-{
-	struct stat s;
-	GDir *dp;
-	const gchar *dir_name;
-	gchar *prev_dir;
-
-	if (g_stat(dir, &s) < 0) {
-		FILE_OP_ERROR(dir, "stat");
-		if (ENOENT == errno) return 0;
-		return -1;
-	}
-
-	if (!S_ISDIR(s.st_mode)) {
-		if (g_unlink(dir) < 0) {
-			FILE_OP_ERROR(dir, "unlink");
-			return -1;
-		}
-
-		return 0;
-	}
-
-	prev_dir = g_get_current_dir();
-	/* g_print("prev_dir = %s\n", prev_dir); */
-
-	if (g_chdir(dir) < 0) {
-		FILE_OP_ERROR(dir, "chdir");
-		g_free(prev_dir);
-		return -1;
-	}
-
-	if ((dp = g_dir_open(".", 0, NULL)) == NULL) {
-		g_warning("failed to open directory: %s\n", dir);
-		g_chdir(prev_dir);
-		g_free(prev_dir);
-		return -1;
-	}
-
-	/* remove all files in the directory */
-	while ((dir_name = g_dir_read_name(dp)) != NULL) {
-		/* g_print("removing %s\n", dir_name); */
-
-		if (is_dir_exist(dir_name)) {
-			if (remove_dir_recursive_real(dir_name) < 0) {
-				g_warning("can't remove directory\n");
-				return -1;
-			}
-		} else {
-			if (g_unlink(dir_name) < 0)
-				FILE_OP_ERROR(dir_name, "unlink");
-		}
-	}
-
-	g_dir_close(dp);
-
-	if (g_chdir(prev_dir) < 0) {
-		FILE_OP_ERROR(prev_dir, "chdir");
-		g_free(prev_dir);
-		return -1;
-	}
-
-	g_free(prev_dir);
-
-	if (g_rmdir(dir) < 0) {
-		FILE_OP_ERROR(dir, "rmdir");
-		return -1;
-	}
-
-	return 0;
-}
-
-gint remove_dir_recursive(const gchar *dir)
-{
-	gchar *cur_dir;
-	gint ret;
-
-	cur_dir = g_get_current_dir();
-
-	if (g_chdir(dir) < 0) {
-		FILE_OP_ERROR(dir, "chdir");
-		ret = -1;
-		goto leave;
-	}
-	if (g_chdir("..") < 0) {
-		FILE_OP_ERROR(dir, "chdir");
-		ret = -1;
-		goto leave;
-	}
-
-	ret = remove_dir_recursive_real(dir);
-
-leave:
-	if (is_dir_exist(cur_dir)) {
-		if (g_chdir(cur_dir) < 0) {
-			FILE_OP_ERROR(cur_dir, "chdir");
-		}
-	}
-
-	g_free(cur_dir);
-
-	return ret;
-}
-
-gint rename_force(const gchar *oldpath, const gchar *newpath)
-{
-#ifndef G_OS_UNIX
-	if (!is_file_entry_exist(oldpath)) {
-		errno = ENOENT;
-		return -1;
-	}
-	if (is_file_exist(newpath)) {
-		if (g_unlink(newpath) < 0)
-			FILE_OP_ERROR(newpath, "unlink");
-	}
-#endif
-	return g_rename(oldpath, newpath);
-}
-
-gint copy_file(const gchar *src, const gchar *dest, gboolean keep_backup)
-{
-	FILE *src_fp, *dest_fp;
-	gint n_read;
-	gchar buf[BUFSIZ];
-	gchar *dest_bak = NULL;
-	gboolean err = FALSE;
-
-	if ((src_fp = g_fopen(src, "rb")) == NULL) {
-		FILE_OP_ERROR(src, "fopen");
-		return -1;
-	}
-	if (is_file_exist(dest)) {
-		dest_bak = g_strconcat(dest, ".bak", NULL);
-		if (rename_force(dest, dest_bak) < 0) {
-			FILE_OP_ERROR(dest, "rename");
-			fclose(src_fp);
-			g_free(dest_bak);
-			return -1;
-		}
-	}
-
-	if ((dest_fp = g_fopen(dest, "wb")) == NULL) {
-		FILE_OP_ERROR(dest, "fopen");
-		fclose(src_fp);
-		if (dest_bak) {
-			if (rename_force(dest_bak, dest) < 0)
-				FILE_OP_ERROR(dest_bak, "rename");
-			g_free(dest_bak);
-		}
-		return -1;
-	}
-
-	if (change_file_mode_rw(dest_fp, dest) < 0) {
-		FILE_OP_ERROR(dest, "chmod");
-		g_warning(_("can't change file mode\n"));
-	}
-
-	while ((n_read = fread(buf, sizeof(gchar), sizeof(buf), src_fp)) > 0) {
-		if (n_read < sizeof(buf) && ferror(src_fp))
-			break;
-		if (fwrite(buf, n_read, 1, dest_fp) < 1) {
-			g_warning(_("writing to %s failed.\n"), dest);
-			fclose(dest_fp);
-			fclose(src_fp);
-			g_unlink(dest);
-			if (dest_bak) {
-				if (rename_force(dest_bak, dest) < 0)
-					FILE_OP_ERROR(dest_bak, "rename");
-				g_free(dest_bak);
-			}
-			return -1;
-		}
-	}
-
-	if (ferror(src_fp)) {
-		FILE_OP_ERROR(src, "fread");
-		err = TRUE;
-	}
-	fclose(src_fp);
-	if (fclose(dest_fp) == EOF) {
-		FILE_OP_ERROR(dest, "fclose");
-		err = TRUE;
-	}
-
-	if (err) {
-		g_unlink(dest);
-		if (dest_bak) {
-			if (rename_force(dest_bak, dest) < 0)
-				FILE_OP_ERROR(dest_bak, "rename");
-			g_free(dest_bak);
-		}
-		return -1;
-	}
-
-	if (keep_backup == FALSE && dest_bak)
-		g_unlink(dest_bak);
-
-	g_free(dest_bak);
-
-	return 0;
-}
-
-gint copy_dir(const gchar *src, const gchar *dest)
-{
-	GDir *dir;
-	const gchar *dir_name;
-	gchar *src_file;
-	gchar *dest_file;
-
-	if ((dir = g_dir_open(src, 0, NULL)) == NULL) {
-		g_warning("failed to open directory: %s\n", src);
-		return -1;
-	}
-
-	if (make_dir_hier(dest) < 0) {
-		g_dir_close(dir);
-		return -1;
-	}
-
-	while ((dir_name = g_dir_read_name(dir)) != NULL) {
-		src_file = g_strconcat(src, G_DIR_SEPARATOR_S, dir_name, NULL);
-		dest_file = g_strconcat(dest, G_DIR_SEPARATOR_S, dir_name,
-					NULL);
-		if (is_file_exist(src_file))
-			copy_file(src_file, dest_file, FALSE);
-		g_free(dest_file);
-		g_free(src_file);
-	}
-
-	g_dir_close(dir);
-
-	return 0;
-}
-
-gint move_file(const gchar *src, const gchar *dest, gboolean overwrite)
-{
-	if (overwrite == FALSE && is_file_exist(dest)) {
-		g_warning("move_file(): file %s already exists.", dest);
-		return -1;
-	}
-
-	if (rename_force(src, dest) == 0) return 0;
-
-	if (EXDEV != errno) {
-		FILE_OP_ERROR(src, "rename");
-		return -1;
-	}
-
-	if (copy_file(src, dest, FALSE) < 0) return -1;
-
-	g_unlink(src);
-
-	return 0;
-}
-
-gint copy_file_part(FILE *fp, off_t offset, size_t length, const gchar *dest)
-{
-	FILE *dest_fp;
-	gint n_read;
-	gint bytes_left, to_read;
-	gchar buf[BUFSIZ];
-	gboolean err = FALSE;
-
-	if (fseek(fp, offset, SEEK_SET) < 0) {
-		perror("fseek");
-		return -1;
-	}
-
-	if ((dest_fp = g_fopen(dest, "wb")) == NULL) {
-		FILE_OP_ERROR(dest, "fopen");
-		return -1;
-	}
-
-	if (change_file_mode_rw(dest_fp, dest) < 0) {
-		FILE_OP_ERROR(dest, "chmod");
-		g_warning("can't change file mode\n");
-	}
-
-	bytes_left = length;
-	to_read = MIN(bytes_left, sizeof(buf));
-
-	while ((n_read = fread(buf, sizeof(gchar), to_read, fp)) > 0) {
-		if (n_read < to_read && ferror(fp))
-			break;
-		if (fwrite(buf, n_read, 1, dest_fp) < 1) {
-			g_warning(_("writing to %s failed.\n"), dest);
-			fclose(dest_fp);
-			g_unlink(dest);
-			return -1;
-		}
-		bytes_left -= n_read;
-		if (bytes_left == 0)
-			break;
-		to_read = MIN(bytes_left, sizeof(buf));
-	}
-
-	if (ferror(fp)) {
-		perror("fread");
-		err = TRUE;
-	}
-	if (fclose(dest_fp) == EOF) {
-		FILE_OP_ERROR(dest, "fclose");
-		err = TRUE;
-	}
-
-	if (err) {
-		g_unlink(dest);
-		return -1;
-	}
-
-	return 0;
-}
-
-/* convert line endings into CRLF. If the last line doesn't end with
- * linebreak, add it.
- */
-gchar *canonicalize_str(const gchar *str)
-{
-	const gchar *p;
-	guint new_len = 0;
-	gchar *out, *outp;
-
-	for (p = str; *p != '\0'; ++p) {
-		if (*p != '\r') {
-			++new_len;
-			if (*p == '\n')
-				++new_len;
-		}
-	}
-	if (p == str || *(p - 1) != '\n')
-		new_len += 2;
-
-	out = outp = g_malloc(new_len + 1);
-	for (p = str; *p != '\0'; ++p) {
-		if (*p != '\r') {
-			if (*p == '\n')
-				*outp++ = '\r';
-			*outp++ = *p;
-		}
-	}
-	if (p == str || *(p - 1) != '\n') {
-		*outp++ = '\r';
-		*outp++ = '\n';
-	}
-	*outp = '\0';
-
-	return out;
-}
-
-gint canonicalize_file(const gchar *src, const gchar *dest)
-{
-	FILE *src_fp, *dest_fp;
-	gchar buf[BUFFSIZE];
-	gint len;
-	gboolean err = FALSE;
-	gboolean last_linebreak = FALSE;
-
-	if ((src_fp = g_fopen(src, "rb")) == NULL) {
-		FILE_OP_ERROR(src, "fopen");
-		return -1;
-	}
-
-	if ((dest_fp = g_fopen(dest, "wb")) == NULL) {
-		FILE_OP_ERROR(dest, "fopen");
-		fclose(src_fp);
-		return -1;
-	}
-
-	if (change_file_mode_rw(dest_fp, dest) < 0) {
-		FILE_OP_ERROR(dest, "chmod");
-		g_warning("can't change file mode\n");
-	}
-
-	while (fgets(buf, sizeof(buf), src_fp) != NULL) {
-		gint r = 0;
-
-		len = strlen(buf);
-		if (len == 0) break;
-		last_linebreak = FALSE;
-
-		if (buf[len - 1] != '\n') {
-			last_linebreak = TRUE;
-			r = fputs(buf, dest_fp);
-		} else if (len > 1 && buf[len - 1] == '\n' && buf[len - 2] == '\r') {
-			r = fputs(buf, dest_fp);
-		} else {
-			if (len > 1) {
-				r = fwrite(buf, len - 1, 1, dest_fp);
-				if (r != 1)
-					r = EOF;
-			}
-			if (r != EOF)
-				r = fputs("\r\n", dest_fp);
-		}
-
-		if (r == EOF) {
-			g_warning("writing to %s failed.\n", dest);
-			fclose(dest_fp);
-			fclose(src_fp);
-			g_unlink(dest);
-			return -1;
-		}
-	}
-
-	if (last_linebreak == TRUE) {
-		if (fputs("\r\n", dest_fp) == EOF)
-			err = TRUE;
-	}
-
-	if (ferror(src_fp)) {
-		FILE_OP_ERROR(src, "fgets");
-		err = TRUE;
-	}
-	fclose(src_fp);
-	if (fclose(dest_fp) == EOF) {
-		FILE_OP_ERROR(dest, "fclose");
-		err = TRUE;
-	}
-
-	if (err) {
-		g_unlink(dest);
-		return -1;
-	}
-
-	return 0;
-}
-
-gint canonicalize_file_replace(const gchar *file)
-{
-	gchar *tmp_file;
-
-	tmp_file = get_tmp_file();
-
-	if (canonicalize_file(file, tmp_file) < 0) {
-		g_free(tmp_file);
-		return -1;
-	}
-
-	if (move_file(tmp_file, file, TRUE) < 0) {
-		g_warning("can't replace %s .\n", file);
-		g_unlink(tmp_file);
-		g_free(tmp_file);
-		return -1;
-	}
-
-	g_free(tmp_file);
-	return 0;
-}
-
-gint uncanonicalize_file(const gchar *src, const gchar *dest)
-{
-	FILE *src_fp, *dest_fp;
-	gchar buf[BUFFSIZE];
-	gboolean err = FALSE;
-
-	if ((src_fp = g_fopen(src, "rb")) == NULL) {
-		FILE_OP_ERROR(src, "fopen");
-		return -1;
-	}
-
-	if ((dest_fp = g_fopen(dest, "wb")) == NULL) {
-		FILE_OP_ERROR(dest, "fopen");
-		fclose(src_fp);
-		return -1;
-	}
-
-	if (change_file_mode_rw(dest_fp, dest) < 0) {
-		FILE_OP_ERROR(dest, "chmod");
-		g_warning("can't change file mode\n");
-	}
-
-	while (fgets(buf, sizeof(buf), src_fp) != NULL) {
-		strcrchomp(buf);
-		if (fputs(buf, dest_fp) == EOF) {
-			g_warning("writing to %s failed.\n", dest);
-			fclose(dest_fp);
-			fclose(src_fp);
-			g_unlink(dest);
-			return -1;
-		}
-	}
-
-	if (ferror(src_fp)) {
-		FILE_OP_ERROR(src, "fgets");
-		err = TRUE;
-	}
-	fclose(src_fp);
-	if (fclose(dest_fp) == EOF) {
-		FILE_OP_ERROR(dest, "fclose");
-		err = TRUE;
-	}
-
-	if (err) {
-		g_unlink(dest);
-		return -1;
-	}
-
-	return 0;
-}
-
-gint uncanonicalize_file_replace(const gchar *file)
-{
-	gchar *tmp_file;
-
-	tmp_file = get_tmp_file();
-
-	if (uncanonicalize_file(file, tmp_file) < 0) {
-		g_free(tmp_file);
-		return -1;
-	}
-
-	if (move_file(tmp_file, file, TRUE) < 0) {
-		g_warning("can't replace %s .\n", file);
-		g_unlink(tmp_file);
-		g_free(tmp_file);
-		return -1;
-	}
-
-	g_free(tmp_file);
-	return 0;
-}
-
-gchar *normalize_newlines(const gchar *str)
-{
-	const gchar *p = str;
-	gchar *out, *outp;
-
-	out = outp = g_malloc(strlen(str) + 1);
-	for (p = str; *p != '\0'; ++p) {
-		if (*p == '\r') {
-			if (*(p + 1) != '\n')
-				*outp++ = '\n';
-		} else
-			*outp++ = *p;
-	}
-
-	*outp = '\0';
-
-	return out;
-}
-
-gchar *get_outgoing_rfc2822_str(FILE *fp)
-{
-	gchar buf[BUFFSIZE];
-	GString *str;
-	gchar *ret;
-
-	str = g_string_new(NULL);
-
-	/* output header part */
-	while (fgets(buf, sizeof(buf), fp) != NULL) {
-		strretchomp(buf);
-		if (!g_ascii_strncasecmp(buf, "Bcc:", 4)) {
-			gint next;
-
-			for (;;) {
-				next = fgetc(fp);
-				if (next == EOF)
-					break;
-				else if (next != ' ' && next != '\t') {
-					ungetc(next, fp);
-					break;
-				}
-				if (fgets(buf, sizeof(buf), fp) == NULL)
-					break;
-			}
-#if 0
-		} else if (!g_ascii_strncasecmp(buf, "Date:", 5)) {
-			get_rfc822_date(buf, sizeof(buf));
-			g_string_append_printf(str, "Date: %s\r\n", buf);
-#endif
-		} else {
-			g_string_append(str, buf);
-			g_string_append(str, "\r\n");
-			if (buf[0] == '\0')
-				break;
-		}
-	}
-
-	/* output body part */
-	while (fgets(buf, sizeof(buf), fp) != NULL) {
-		strretchomp(buf);
-		if (buf[0] == '.')
-			g_string_append_c(str, '.');
-		g_string_append(str, buf);
-		g_string_append(str, "\r\n");
-	}
-
-	ret = str->str;
-	g_string_free(str, FALSE);
-
-	return ret;
-}
-
-/*
- * Create a new boundary in a way that it is very unlikely that this
- * will occur in the following text.  It would be easy to ensure
- * uniqueness if everything is either quoted-printable or base64
- * encoded (note that conversion is allowed), but because MIME bodies
- * may be nested, it may happen that the same boundary has already
- * been used. We avoid scanning the message for conflicts and hope the
- * best.
- *
- *   boundary := 0*69<bchars> bcharsnospace
- *   bchars := bcharsnospace / " "
- *   bcharsnospace := DIGIT / ALPHA / "'" / "(" / ")" /
- *                    "+" / "_" / "," / "-" / "." /
- *                    "/" / ":" / "=" / "?"
- *
- * some special characters removed because of buggy MTAs
- */
-
-gchar *generate_mime_boundary(const gchar *prefix)
-{
-	static gchar tbl[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
-			     "abcdefghijklmnopqrstuvwxyz"
-			     "1234567890+_./=";
-	gchar buf_uniq[17];
-	gchar buf_date[64];
-	gint i;
-
-	for (i = 0; i < sizeof(buf_uniq) - 1; i++)
-		buf_uniq[i] = tbl[g_random_int_range(0, sizeof(tbl) - 1)];
-	buf_uniq[i] = '\0';
-
-	get_rfc822_date(buf_date, sizeof(buf_date));
-	subst_char(buf_date, ' ', '_');
-	subst_char(buf_date, ',', '_');
-	subst_char(buf_date, ':', '_');
-
-	return g_strdup_printf("%s=_%s_%s", prefix ? prefix : "Multipart",
-			       buf_date, buf_uniq);
-}
-
-gint change_file_mode_rw(FILE *fp, const gchar *file)
-{
-#if HAVE_FCHMOD
-	return fchmod(fileno(fp), S_IRUSR|S_IWUSR);
-#else
-	return g_chmod(file, S_IRUSR|S_IWUSR);
-#endif
-}
-
-FILE *my_tmpfile(void)
-{
-#if HAVE_MKSTEMP
-	const gchar suffix[] = ".XXXXXX";
-	const gchar *tmpdir;
-	guint tmplen;
-	const gchar *progname;
-	guint proglen;
-	gchar *fname;
-	gint fd;
-	FILE *fp;
-
-	tmpdir = get_tmp_dir();
-	tmplen = strlen(tmpdir);
-	progname = g_get_prgname();
-	proglen = strlen(progname);
-	Xalloca(fname, tmplen + 1 + proglen + sizeof(suffix),
-		return tmpfile());
-
-	memcpy(fname, tmpdir, tmplen);
-	fname[tmplen] = G_DIR_SEPARATOR;
-	memcpy(fname + tmplen + 1, progname, proglen);
-	memcpy(fname + tmplen + 1 + proglen, suffix, sizeof(suffix));
-
-	fd = mkstemp(fname);
-	if (fd < 0)
-		return tmpfile();
-
-	g_unlink(fname);
-
-	fp = fdopen(fd, "w+b");
-	if (!fp)
-		close(fd);
-	else
-		return fp;
-#endif /* HAVE_MKSTEMP */
-
-	return tmpfile();
-}
-
-FILE *str_open_as_stream(const gchar *str)
-{
-	FILE *fp;
-	size_t len;
-
-	g_return_val_if_fail(str != NULL, NULL);
-
-	fp = my_tmpfile();
-	if (!fp) {
-		FILE_OP_ERROR("str_open_as_stream", "my_tmpfile");
-		return NULL;
-	}
-
-	len = strlen(str);
-	if (len == 0) return fp;
-
-	if (fwrite(str, len, 1, fp) != 1) {
-		FILE_OP_ERROR("str_open_as_stream", "fwrite");
-		fclose(fp);
-		return NULL;
-	}
-
-	rewind(fp);
-	return fp;
-}
-
-gint str_write_to_file(const gchar *str, const gchar *file)
-{
-	FILE *fp;
-	size_t len;
-
-	g_return_val_if_fail(str != NULL, -1);
-	g_return_val_if_fail(file != NULL, -1);
-
-	if ((fp = g_fopen(file, "wb")) == NULL) {
-		FILE_OP_ERROR(file, "fopen");
-		return -1;
-	}
-
-	len = strlen(str);
-	if (len == 0) {
-		fclose(fp);
-		return 0;
-	}
-
-	if (fwrite(str, len, 1, fp) != 1) {
-		FILE_OP_ERROR(file, "fwrite");
-		fclose(fp);
-		g_unlink(file);
-		return -1;
-	}
-
-	if (fclose(fp) == EOF) {
-		FILE_OP_ERROR(file, "fclose");
-		g_unlink(file);
-		return -1;
-	}
-
-	return 0;
-}
-
-gchar *file_read_to_str(const gchar *file)
-{
-	FILE *fp;
-	gchar *str;
-
-	g_return_val_if_fail(file != NULL, NULL);
-
-	if ((fp = g_fopen(file, "rb")) == NULL) {
-		FILE_OP_ERROR(file, "fopen");
-		return NULL;
-	}
-
-	str = file_read_stream_to_str(fp);
-
-	fclose(fp);
-
-	return str;
-}
-
-gchar *file_read_stream_to_str(FILE *fp)
-{
-	GByteArray *array;
-	guchar buf[BUFSIZ];
-	gint n_read;
-	gchar *str;
-
-	g_return_val_if_fail(fp != NULL, NULL);
-
-	array = g_byte_array_new();
-
-	while ((n_read = fread(buf, sizeof(gchar), sizeof(buf), fp)) > 0) {
-		if (n_read < sizeof(buf) && ferror(fp))
-			break;
-		g_byte_array_append(array, buf, n_read);
-	}
-
-	if (ferror(fp)) {
-		FILE_OP_ERROR("file stream", "fread");
-		g_byte_array_free(array, TRUE);
-		return NULL;
-	}
-
-	buf[0] = '\0';
-	g_byte_array_append(array, buf, 1);
-	str = (gchar *)array->data;
-	g_byte_array_free(array, FALSE);
-
-	return str;
-}
-
-gint execute_async(gchar *const argv[])
-{
-	g_return_val_if_fail(argv != NULL && argv[0] != NULL, -1);
-
-	if (g_spawn_async(NULL, (gchar **)argv, NULL, G_SPAWN_SEARCH_PATH,
-			  NULL, NULL, NULL, FALSE) == FALSE) {
-		g_warning("Can't execute command: %s\n", argv[0]);
-		return -1;
-	}
-
-	return 0;
-}
-
-gint execute_sync(gchar *const argv[])
-{
-	gint status;
-
-	g_return_val_if_fail(argv != NULL && argv[0] != NULL, -1);
-
-	if (g_spawn_sync(NULL, (gchar **)argv, NULL, G_SPAWN_SEARCH_PATH,
-			 NULL, NULL, NULL, NULL, &status, NULL) == FALSE) {
-		g_warning("Can't execute command: %s\n", argv[0]);
-		return -1;
-	}
-
-#ifdef G_OS_UNIX
-	if (WIFEXITED(status))
-		return WEXITSTATUS(status);
-	else
-		return -1;
-#else
-	return status;
-#endif
-}
-
-gint execute_command_line(const gchar *cmdline, gboolean async)
-{
-	gchar **argv;
-	gint ret;
-
-	debug_print("execute_command_line(): executing: %s\n", cmdline);
-
-	argv = strsplit_with_quote(cmdline, " ", 0);
-
-	if (async)
-		ret = execute_async(argv);
-	else
-		ret = execute_sync(argv);
-
-	g_strfreev(argv);
-
-	return ret;
-}
-
-gchar *get_command_output(const gchar *cmdline)
-{
-	gchar *child_stdout;
-	gint status;
-
-	g_return_val_if_fail(cmdline != NULL, NULL);
-
-	debug_print("get_command_output(): executing: %s\n", cmdline);
-
-	if (g_spawn_command_line_sync(cmdline, &child_stdout, NULL, &status,
-				      NULL) == FALSE) {
-		g_warning("Can't execute command: %s\n", cmdline);
-		return NULL;
-	}
-
-	return child_stdout;
-}
-
-gint open_uri(const gchar *uri, const gchar *cmdline)
-{
-	gchar buf[BUFFSIZE];
-	gchar *p;
-
-	g_return_val_if_fail(uri != NULL, -1);
-
-	if (cmdline &&
-	    (p = strchr(cmdline, '%')) && *(p + 1) == 's' &&
-	    !strchr(p + 2, '%'))
-		g_snprintf(buf, sizeof(buf), cmdline, uri);
-	else {
-		if (cmdline)
-			g_warning("Open URI command line is invalid "
-				  "(there must be only one '%%s'): %s",
-				  cmdline);
-		g_snprintf(buf, sizeof(buf), DEFAULT_BROWSER_CMD, uri);
-	}
-
-	execute_command_line(buf, TRUE);
-
-	return 0;
-}
-
-time_t remote_tzoffset_sec(const gchar *zone)
-{
-	static gchar ustzstr[] = "PSTPDTMSTMDTCSTCDTESTEDT";
-	gchar zone3[4];
-	gchar *p;
-	gchar c;
-	gint iustz;
-	gint offset;
-	time_t remoteoffset;
-
-	strncpy(zone3, zone, 3);
-	zone3[3] = '\0';
-	remoteoffset = 0;
-
-	if (sscanf(zone, "%c%d", &c, &offset) == 2 &&
-	    (c == '+' || c == '-')) {
-		remoteoffset = ((offset / 100) * 60 + (offset % 100)) * 60;
-		if (c == '-')
-			remoteoffset = -remoteoffset;
-	} else if (!strncmp(zone, "UT" , 2) ||
-		   !strncmp(zone, "GMT", 2)) {
-		remoteoffset = 0;
-	} else if (strlen(zone3) == 3) {
-		for (p = ustzstr; *p != '\0'; p += 3) {
-			if (!g_ascii_strncasecmp(p, zone3, 3)) {
-				iustz = ((gint)(p - ustzstr) / 3 + 1) / 2 - 8;
-				remoteoffset = iustz * 3600;
-				break;
-			}
-		}
-		if (*p == '\0')
-			return -1;
-	} else if (strlen(zone3) == 1) {
-		switch (zone[0]) {
-		case 'Z': remoteoffset =   0; break;
-		case 'A': remoteoffset =  -1; break;
-		case 'B': remoteoffset =  -2; break;
-		case 'C': remoteoffset =  -3; break;
-		case 'D': remoteoffset =  -4; break;
-		case 'E': remoteoffset =  -5; break;
-		case 'F': remoteoffset =  -6; break;
-		case 'G': remoteoffset =  -7; break;
-		case 'H': remoteoffset =  -8; break;
-		case 'I': remoteoffset =  -9; break;
-		case 'K': remoteoffset = -10; break; /* J is not used */
-		case 'L': remoteoffset = -11; break;
-		case 'M': remoteoffset = -12; break;
-		case 'N': remoteoffset =   1; break;
-		case 'O': remoteoffset =   2; break;
-		case 'P': remoteoffset =   3; break;
-		case 'Q': remoteoffset =   4; break;
-		case 'R': remoteoffset =   5; break;
-		case 'S': remoteoffset =   6; break;
-		case 'T': remoteoffset =   7; break;
-		case 'U': remoteoffset =   8; break;
-		case 'V': remoteoffset =   9; break;
-		case 'W': remoteoffset =  10; break;
-		case 'X': remoteoffset =  11; break;
-		case 'Y': remoteoffset =  12; break;
-		default:  remoteoffset =   0; break;
-		}
-		remoteoffset = remoteoffset * 3600;
-	} else
-		return -1;
-
-	return remoteoffset;
-}
-
-time_t tzoffset_sec(time_t *now)
-{
-	struct tm gmt, *lt;
-	gint off;
-
-	gmt = *gmtime(now);
-	lt = localtime(now);
-
-	off = (lt->tm_hour - gmt.tm_hour) * 60 + lt->tm_min - gmt.tm_min;
-
-	if (lt->tm_year < gmt.tm_year)
-		off -= 24 * 60;
-	else if (lt->tm_year > gmt.tm_year)
-		off += 24 * 60;
-	else if (lt->tm_yday < gmt.tm_yday)
-		off -= 24 * 60;
-	else if (lt->tm_yday > gmt.tm_yday)
-		off += 24 * 60;
-
-	if (off >= 24 * 60)		/* should be impossible */
-		off = 23 * 60 + 59;	/* if not, insert silly value */
-	if (off <= -24 * 60)
-		off = -(23 * 60 + 59);
-
-	return off * 60;
-}
-
-/* calculate timezone offset */
-gchar *tzoffset(time_t *now)
-{
-	static gchar offset_string[6];
-	struct tm gmt, *lt;
-	gint off;
-	gchar sign = '+';
-
-	gmt = *gmtime(now);
-	lt = localtime(now);
-
-	off = (lt->tm_hour - gmt.tm_hour) * 60 + lt->tm_min - gmt.tm_min;
-
-	if (lt->tm_year < gmt.tm_year)
-		off -= 24 * 60;
-	else if (lt->tm_year > gmt.tm_year)
-		off += 24 * 60;
-	else if (lt->tm_yday < gmt.tm_yday)
-		off -= 24 * 60;
-	else if (lt->tm_yday > gmt.tm_yday)
-		off += 24 * 60;
-
-	if (off < 0) {
-		sign = '-';
-		off = -off;
-	}
-
-	if (off >= 24 * 60)		/* should be impossible */
-		off = 23 * 60 + 59;	/* if not, insert silly value */
-
-	sprintf(offset_string, "%c%02d%02d", sign, off / 60, off % 60);
-
-	return offset_string;
-}
-
-void get_rfc822_date(gchar *buf, gint len)
-{
-	struct tm *lt;
-	time_t t;
-	gchar day[4], mon[4];
-	gint dd, hh, mm, ss, yyyy;
-
-	t = time(NULL);
-	lt = localtime(&t);
-
-	sscanf(asctime(lt), "%3s %3s %d %d:%d:%d %d\n",
-	       day, mon, &dd, &hh, &mm, &ss, &yyyy);
-	g_snprintf(buf, len, "%s, %d %s %d %02d:%02d:%02d %s",
-		   day, dd, mon, yyyy, hh, mm, ss, tzoffset(&t));
-}
-
-/* just a wrapper to suppress the warning of gcc about %c */
-size_t my_strftime(gchar *s, size_t max, const gchar *format,
-		   const struct tm *tm)
-{
-	return strftime(s, max, format, tm);
-}
-
-static FILE *log_fp = NULL;
-
-void set_log_file(const gchar *filename)
-{
-	if (log_fp) return;
-	log_fp = g_fopen(filename, "wb");
-	if (!log_fp)
-		FILE_OP_ERROR(filename, "fopen");
-}
-
-void close_log_file(void)
-{
-	if (log_fp) {
-		fclose(log_fp);
-		log_fp = NULL;
-	}
-}
-
-static guint log_verbosity_count = 0;
-
-void set_log_verbosity(gboolean verbose)
-{
-	if (verbose)
-		log_verbosity_count++;
-	else if (log_verbosity_count > 0)
-		log_verbosity_count--;
-}
-
-gboolean get_debug_mode(void)
-{
-	return debug_mode;
-}
-
-void set_debug_mode(gboolean enable)
-{
-	debug_mode = enable;
-}
-
-static void log_dummy_func(const gchar *str)
-{
-}
-
-static LogFunc log_print_ui_func = log_dummy_func;
-static LogFunc log_message_ui_func = log_dummy_func;
-static LogFunc log_warning_ui_func = log_dummy_func;
-static LogFunc log_error_ui_func = log_dummy_func;
-
-static LogFunc log_show_status_func = log_dummy_func;
-
-void set_log_ui_func(LogFunc print_func, LogFunc message_func,
-		     LogFunc warning_func, LogFunc error_func)
-{
-	log_print_ui_func = print_func;
-	log_message_ui_func = message_func;
-	log_warning_ui_func = warning_func;
-	log_error_ui_func = error_func;
-}
-
-void set_log_show_status_func(LogFunc status_func)
-{
-	log_show_status_func = status_func;
-}
-
-void debug_print(const gchar *format, ...)
-{
-	va_list args;
-	gchar buf[BUFFSIZE];
-
-	if (!debug_mode) return;
-
-	va_start(args, format);
-	g_vsnprintf(buf, sizeof(buf), format, args);
-	va_end(args);
-
-	g_print("%s", buf);
-}
-
-#define TIME_LEN	11
-
-void log_print(const gchar *format, ...)
-{
-	va_list args;
-	gchar buf[BUFFSIZE + TIME_LEN];
-	time_t t;
-
-	time(&t);
-	strftime(buf, TIME_LEN + 1, "[%H:%M:%S] ", localtime(&t));
-
-	va_start(args, format);
-	g_vsnprintf(buf + TIME_LEN, BUFFSIZE, format, args);
-	va_end(args);
-
-	if (debug_mode) fputs(buf, stdout);
-	log_print_ui_func(buf);
-	if (log_fp) {
-		fputs(buf, log_fp);
-		fflush(log_fp);
-	}
-	if (log_verbosity_count)
-		log_show_status_func(buf + TIME_LEN);
-}
-
-void log_message(const gchar *format, ...)
-{
-	va_list args;
-	gchar buf[BUFFSIZE + TIME_LEN];
-	time_t t;
-
-	time(&t);
-	strftime(buf, TIME_LEN + 1, "[%H:%M:%S] ", localtime(&t));
-
-	va_start(args, format);
-	g_vsnprintf(buf + TIME_LEN, BUFFSIZE, format, args);
-	va_end(args);
-
-	if (debug_mode) g_message("%s", buf + TIME_LEN);
-	log_message_ui_func(buf + TIME_LEN);
-	if (log_fp) {
-		fwrite(buf, TIME_LEN, 1, log_fp);
-		fputs("* message: ", log_fp);
-		fputs(buf + TIME_LEN, log_fp);
-		fflush(log_fp);
-	}
-	log_show_status_func(buf + TIME_LEN);
-}
-
-void log_warning(const gchar *format, ...)
-{
-	va_list args;
-	gchar buf[BUFFSIZE + TIME_LEN];
-	time_t t;
-
-	time(&t);
-	strftime(buf, TIME_LEN + 1, "[%H:%M:%S] ", localtime(&t));
-
-	va_start(args, format);
-	g_vsnprintf(buf + TIME_LEN, BUFFSIZE, format, args);
-	va_end(args);
-
-	g_warning("%s", buf);
-	log_warning_ui_func(buf + TIME_LEN);
-	if (log_fp) {
-		fwrite(buf, TIME_LEN, 1, log_fp);
-		fputs("** warning: ", log_fp);
-		fputs(buf + TIME_LEN, log_fp);
-		fflush(log_fp);
-	}
-}
-
-void log_error(const gchar *format, ...)
-{
-	va_list args;
-	gchar buf[BUFFSIZE + TIME_LEN];
-	time_t t;
-
-	time(&t);
-	strftime(buf, TIME_LEN + 1, "[%H:%M:%S] ", localtime(&t));
-
-	va_start(args, format);
-	g_vsnprintf(buf + TIME_LEN, BUFFSIZE, format, args);
-	va_end(args);
-
-	g_warning("%s", buf);
-	log_error_ui_func(buf + TIME_LEN);
-	if (log_fp) {
-		fwrite(buf, TIME_LEN, 1, log_fp);
-		fputs("*** error: ", log_fp);
-		fputs(buf + TIME_LEN, log_fp);
-		fflush(log_fp);
-	}
-}