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claws-mail/src/utils.c
Christoph Hohmann 04ee67da30 made search for accounts by email address not case sensitive 
fixed memory leak in folder_item_get_identifier
fixed wrong strstr2 (should work like strstr)
2001-10-26 19:39:20 +00:00

2108 lines
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/*
* Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
* Copyright (C) 1999-2001 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 <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>
#include <sys/wait.h>
#include <dirent.h>
#include <time.h>
#include "intl.h"
#include "utils.h"
#include "statusbar.h"
#include "logwindow.h"
#define BUFFSIZE 8192
extern gboolean debug_mode;
static void hash_free_strings_func(gpointer key, gpointer value, gpointer data);
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);
}
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);
}
}
gint to_number(const gchar *nstr)
{
register const gchar *p;
if (*nstr == '\0') return -1;
for (p = nstr; *p != '\0'; p++)
if (!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);
}
/* strstr with NULL-checking */
gchar *strstr2(const gchar *s1, const gchar *s2)
{
if (s1 == NULL || s2 == NULL)
return NULL;
else
return strstr(s1, s2);
}
/* compare paths */
gint path_cmp(const gchar *s1, const gchar *s2)
{
gint len1, len2;
if (s1 == NULL || s2 == NULL) return -1;
if (*s1 == '\0' || *s2 == '\0') return -1;
len1 = strlen(s1);
len2 = strlen(s2);
if (s1[len1 - 1] == G_DIR_SEPARATOR) len1--;
if (s2[len2 - 1] == G_DIR_SEPARATOR) len2--;
return strncmp(s1, s2, MAX(len1, len2));
}
/* 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;
}
/* 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 (!strncasecmp(haystack, needle, needle_len))
return (gchar *)haystack;
else {
haystack++;
haystack_len--;
}
}
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 gchar c;
gchar *s = dest;
do {
if (--n == 0) {
*dest = '\0';
return s;
}
c = *src++;
*dest++ = c;
} while (c != '\0');
/* don't do zero fill */
return s;
}
#if !HAVE_ISWALNUM
int iswalnum(wint_t wc)
{
return isalnum((int)wc);
}
#endif
#if !HAVE_ISWSPACE
int iswspace(wint_t wc)
{
return 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;
}
/* Examine if next block is non-ASCII string */
gboolean is_next_nonascii(const wchar_t *s)
{
const wchar_t *wp;
/* skip head space */
for (wp = s; *wp != (wchar_t)0 && iswspace(*wp); wp++)
;
for (; *wp != (wchar_t)0 && !iswspace(*wp); wp++) {
if (*wp > 127)
return TRUE;
}
return FALSE;
}
/* Examine if next block is multi-byte string */
gboolean is_next_mbs(const wchar_t *s)
{
gint mbl;
const wchar_t *wp;
gchar tmp[MB_LEN_MAX];
/* skip head space */
for (wp = s; *wp != (wchar_t)0 && iswspace(*wp); wp++)
;
for (; *wp != (wchar_t)0 && !iswspace(*wp); wp++) {
mbl = wctomb(tmp, *wp);
if (mbl > 1)
return TRUE;
}
return FALSE;
}
wchar_t *find_wspace(const wchar_t *s)
{
const wchar_t *wp;
for (wp = s; *wp != (wchar_t)0 && iswspace(*wp); wp++)
;
for (; *wp != (wchar_t)0; wp++) {
if (iswspace(*wp))
return (wchar_t *)wp;
}
return NULL;
}
/* compare subjects */
gint subject_compare(const gchar *s1, const gchar *s2)
{
gchar *str1, *str2;
if (!s1 || !s2) return -1;
if (!*s1 || !*s2) return -1;
Xalloca(str1, strlen(s1) + 1, return -1);
Xalloca(str2, strlen(s2) + 1, return -1);
strcpy(str1, s1);
strcpy(str2, s2);
trim_subject(str1);
trim_subject(str2);
if (!*str1 || !*str2) return -1;
return strcmp(str1, str2);
}
void trim_subject(gchar *str)
{
gchar *srcp;
eliminate_parenthesis(str, '[', ']');
eliminate_parenthesis(str, '(', ')');
g_strstrip(str);
while (!strncasecmp(str, "Re:", 3)) {
srcp = str + 3;
while (isspace(*srcp)) srcp++;
memmove(str, 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 (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_one_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;
if ((srcp = strchr_with_skip_quote(destp, quote_chr, op))) {
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 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 (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 (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 (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);
}
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_append(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_append(msgid_list, msgid);
else
g_free(msgid);
strp = end + 1;
}
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;
}
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 (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 (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++;
}
}
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 guchar *str)
{
while (*str != '\0') {
if (*str != '\t' && *str != ' ' &&
*str != '\r' && *str != '\n' &&
(*str < 32 || *str >= 127))
return FALSE;
str++;
}
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 (isspace(*p))
p++;
else
break;
}
if (*p == '>')
quote_level++;
else if (*p != '-' && !isspace(*p) && p <= last_pos) {
/* any characters are allowed except '-' and space */
while (*p != '-' && *p != '>' && !isspace(*p) &&
p < last_pos)
p++;
if (*p == '>')
quote_level++;
else
break;
}
p++;
}
return quote_level;
}
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 (isspace(*p)) p++;
if (!strncmp(p, "file:", 5)) {
p += 5;
q = p;
while (*q && *q != '\n' && *q != '\r') q++;
if (q > p) {
q--;
while (q > p && isspace(*q)) q--;
file = g_malloc(q - p + 2);
strncpy(file, p, q - p + 1);
file[q - p + 1] = '\0';
result = g_list_append(result,file);
}
}
}
p = strchr(p, '\n');
if (p) p++;
}
return result;
}
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;
}
/* this fuction was taken from gstrfuncs.c in glib. */
gchar **strsplit_with_quote(const gchar *str, const gchar *delim,
gint max_tokens)
{
GSList *string_list = NULL, *slist;
gchar **str_array, *s;
guint i, n = 1;
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 {
guint len;
gchar *new_str;
len = s - str;
new_str = g_new(gchar, len + 1);
strncpy(new_str, str, len);
new_str[len] = 0;
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) {
n++;
string_list = g_slist_prepend(string_list, g_strdup(str));
}
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;
}
/*
* We need this wrapper around g_get_home_dir(), so that
* we can fix some Windoze things here. Should be done in glibc of course
* but as long as we are not able to do our own extensions to glibc, we do
* it here.
*/
gchar *get_home_dir(void)
{
#if HAVE_DOSISH_SYSTEM
static gchar *home_dir;
if (!home_dir) {
home_dir = read_w32_registry_string(NULL,
"Software\\Sylpheed", "HomeDir" );
if (!home_dir || !*home_dir) {
if (getenv ("HOMEDRIVE") && getenv("HOMEPATH")) {
const char *s = g_get_home_dir();
if (s && *s)
home_dir = g_strdup (s);
}
if (!home_dir || !*home_dir)
home_dir = g_strdup ("c:\\sylpheed");
}
debug_print("initialized home_dir to `%s'\n", home_dir);
}
return home_dir;
#else /* standard glib */
return g_get_home_dir();
#endif
}
gchar *get_rc_dir(void)
{
static gchar *rc_dir = NULL;
if (!rc_dir)
rc_dir = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S,
RC_DIR, NULL);
return rc_dir;
}
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;
}
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;
}
gchar *get_mbox_cache_dir(void)
{
static gchar *mbox_cache_dir = NULL;
if (!mbox_cache_dir)
mbox_cache_dir = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
MBOX_CACHE_DIR, NULL);
return mbox_cache_dir;
}
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;
}
gchar *get_tmp_file(void)
{
static gchar *tmp_file = NULL;
if (!tmp_file)
tmp_file = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
"tmpfile", NULL);
return tmp_file;
}
gchar *get_domain_name(void)
{
static gchar *domain_name = NULL;
if (!domain_name) {
gchar buf[BUFFSIZE] = "";
if (gethostname(buf, sizeof(buf)) < 0) {
perror("gethostname");
strcpy(buf, "unknown");
}
domain_name = g_strdup(buf);
}
return domain_name;
}
off_t get_file_size(const gchar *file)
{
struct stat s;
if (stat(file, &s) < 0) {
FILE_OP_ERROR(file, "stat");
return -1;
}
return s.st_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 (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)
{
struct stat s;
if (stat(dir, &s) < 0) {
if (ENOENT != errno) FILE_OP_ERROR(dir, "stat");
return FALSE;
}
if (S_ISDIR(s.st_mode))
return TRUE;
return FALSE;
}
gint change_dir(const gchar *dir)
{
gchar *prevdir = NULL;
if (debug_mode)
prevdir = g_get_current_dir();
if (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_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 (mkdir(parent_dir, S_IRWXU) < 0) {
FILE_OP_ERROR(parent_dir, "mkdir");
g_free(parent_dir);
return -1;
}
if (chmod(parent_dir, S_IRWXU) < 0)
FILE_OP_ERROR(parent_dir, "chmod");
}
}
g_free(parent_dir);
}
if (!is_dir_exist(dir)) {
if (mkdir(dir, S_IRWXU) < 0) {
FILE_OP_ERROR(dir, "mkdir");
return -1;
}
if (chmod(dir, S_IRWXU) < 0)
FILE_OP_ERROR(dir, "chmod");
}
return 0;
}
gint remove_all_files(const gchar *dir)
{
DIR *dp;
struct dirent *d;
gchar *prev_dir;
prev_dir = g_get_current_dir();
if (chdir(dir) < 0) {
FILE_OP_ERROR(dir, "chdir");
return -1;
}
if ((dp = opendir(".")) == NULL) {
FILE_OP_ERROR(dir, "opendir");
return -1;
}
while ((d = readdir(dp)) != NULL) {
if (!strcmp(d->d_name, ".") ||
!strcmp(d->d_name, ".."))
continue;
if (unlink(d->d_name) < 0)
FILE_OP_ERROR(d->d_name, "unlink");
}
closedir(dp);
if (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)
{
DIR *dp;
struct dirent *d;
gchar *prev_dir;
gint fileno;
prev_dir = g_get_current_dir();
if (chdir(dir) < 0) {
FILE_OP_ERROR(dir, "chdir");
return -1;
}
if ((dp = opendir(".")) == NULL) {
FILE_OP_ERROR(dir, "opendir");
return -1;
}
while ((d = readdir(dp)) != NULL) {
fileno = to_number(d->d_name);
if (fileno >= 0 && first <= fileno && fileno <= last) {
if (unlink(d->d_name) < 0)
FILE_OP_ERROR(d->d_name, "unlink");
}
}
closedir(dp);
if (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_dir_recursive(const gchar *dir)
{
struct stat s;
DIR *dp;
struct dirent *d;
gchar *prev_dir;
/* g_print("dir = %s\n", dir); */
if (stat(dir, &s) < 0) {
FILE_OP_ERROR(dir, "stat");
if (ENOENT == errno) return 0;
return -1;
}
if (!S_ISDIR(s.st_mode)) {
if (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 (!path_cmp(prev_dir, dir)) {
g_free(prev_dir);
if (chdir("..") < 0) {
FILE_OP_ERROR(dir, "chdir");
return -1;
}
prev_dir = g_get_current_dir();
}
if (chdir(dir) < 0) {
FILE_OP_ERROR(dir, "chdir");
g_free(prev_dir);
return -1;
}
if ((dp = opendir(".")) == NULL) {
FILE_OP_ERROR(dir, "opendir");
chdir(prev_dir);
g_free(prev_dir);
return -1;
}
/* remove all files in the directory */
while ((d = readdir(dp)) != NULL) {
if (!strcmp(d->d_name, ".") ||
!strcmp(d->d_name, ".."))
continue;
if (stat(d->d_name, &s) < 0) {
FILE_OP_ERROR(d->d_name, "stat");
continue;
}
/* g_print("removing %s\n", d->d_name); */
if (S_ISDIR(s.st_mode)) {
if (remove_dir_recursive(d->d_name) < 0) {
g_warning("can't remove directory\n");
return -1;
}
} else {
if (unlink(d->d_name) < 0)
FILE_OP_ERROR(d->d_name, "unlink");
}
}
closedir(dp);
if (chdir(prev_dir) < 0) {
FILE_OP_ERROR(prev_dir, "chdir");
g_free(prev_dir);
return -1;
}
g_free(prev_dir);
if (rmdir(dir) < 0) {
FILE_OP_ERROR(dir, "rmdir");
return -1;
}
return 0;
}
#if 0
/* this seems to be slower than the stdio version... */
gint copy_file(const gchar *src, const gchar *dest)
{
gint src_fd, dest_fd;
gint n_read;
gint n_write;
gchar buf[BUFSIZ];
gchar *dest_bak = NULL;
if ((src_fd = open(src, O_RDONLY)) < 0) {
FILE_OP_ERROR(src, "open");
return -1;
}
if (is_file_exist(dest)) {
dest_bak = g_strconcat(dest, ".bak", NULL);
if (rename(dest, dest_bak) < 0) {
FILE_OP_ERROR(dest, "rename");
close(src_fd);
g_free(dest_bak);
return -1;
}
}
if ((dest_fd = open(dest, O_RDWR|O_CREAT, S_IRUSR|S_IWUSR)) < 0) {
FILE_OP_ERROR(dest, "open");
close(src_fd);
if (dest_bak) {
if (rename(dest_bak, dest) < 0)
FILE_OP_ERROR(dest_bak, "rename");
g_free(dest_bak);
}
return -1;
}
while ((n_read = read(src_fd, buf, sizeof(buf))) > 0) {
gint len = n_read;
gchar *bufp = buf;
while (len > 0) {
n_write = write(dest_fd, bufp, len);
if (n_write <= 0) {
g_warning(_("writing to %s failed.\n"), dest);
close(dest_fd);
close(src_fd);
unlink(dest);
if (dest_bak) {
if (rename(dest_bak, dest) < 0)
FILE_OP_ERROR(dest_bak, "rename");
g_free(dest_bak);
}
return -1;
}
len -= n_write;
bufp += n_write;
}
}
close(src_fd);
close(dest_fd);
if (n_read < 0 || get_file_size(src) != get_file_size(dest)) {
g_warning(_("File copy from %s to %s failed.\n"), src, dest);
unlink(dest);
if (dest_bak) {
if (rename(dest_bak, dest) < 0)
FILE_OP_ERROR(dest_bak, "rename");
g_free(dest_bak);
}
return -1;
}
g_free(dest_bak);
return 0;
}
#endif
gint copy_file(const gchar *src, const gchar *dest)
{
FILE *src_fp, *dest_fp;
gint n_read;
gchar buf[BUFSIZ];
gchar *dest_bak = NULL;
gboolean err = FALSE;
if ((src_fp = fopen(src, "r")) == NULL) {
FILE_OP_ERROR(src, "fopen");
return -1;
}
if (is_file_exist(dest)) {
dest_bak = g_strconcat(dest, ".bak", NULL);
if (rename(dest, dest_bak) < 0) {
FILE_OP_ERROR(dest, "rename");
fclose(src_fp);
g_free(dest_bak);
return -1;
}
}
if ((dest_fp = fopen(dest, "w")) == NULL) {
FILE_OP_ERROR(dest, "fopen");
fclose(src_fp);
if (dest_bak) {
if (rename(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);
unlink(dest);
if (dest_bak) {
if (rename(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) {
unlink(dest);
if (dest_bak) {
if (rename(dest_bak, dest) < 0)
FILE_OP_ERROR(dest_bak, "rename");
g_free(dest_bak);
}
return -1;
}
g_free(dest_bak);
return 0;
}
gint move_file(const gchar *src, const gchar *dest)
{
if (is_file_exist(dest)) {
g_warning(_("move_file(): file %s already exists."), dest);
return -1;
}
if (rename(src, dest) == 0) return 0;
if (EXDEV != errno) {
FILE_OP_ERROR(src, "rename");
return -1;
}
if (copy_file(src, dest) < 0) return -1;
unlink(src);
return 0;
}
gint change_file_mode_rw(FILE *fp, const gchar *file)
{
#if HAVE_FCHMOD
return fchmod(fileno(fp), S_IRUSR|S_IWUSR);
#else
return 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 = g_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();
unlink(fname);
fp = fdopen(fd, "w+b");
if (!fp)
close(fd);
else
return fp;
#endif /* HAVE_MKSTEMP */
return tmpfile();
}
gint execute_async(gchar *const argv[])
{
pid_t pid;
if ((pid = fork()) < 0) {
perror("fork");
return -1;
}
if (pid == 0) { /* child process */
pid_t gch_pid;
if ((gch_pid = fork()) < 0) {
perror("fork");
_exit(1);
}
if (gch_pid == 0) { /* grandchild process */
execvp(argv[0], argv);
perror("execvp");
_exit(1);
}
_exit(0);
}
waitpid(pid, NULL, 0);
return 0;
}
gint execute_sync(gchar *const argv[])
{
pid_t pid;
if ((pid = fork()) < 0) {
perror("fork");
return -1;
}
if (pid == 0) { /* child process */
execvp(argv[0], argv);
perror("execvp");
_exit(1);
}
waitpid(pid, NULL, 0);
return 0;
}
gint execute_command_line(const gchar *cmdline, gboolean async)
{
gchar **argv;
gint i;
gint ret;
argv = strsplit_with_quote(cmdline, " ", 0);
for (i = 0; argv[i] != NULL; i++) {
gchar *str = argv[i];
if (str[0] == '\'' || str[0] == '\"') {
gint len;
len = strlen(str);
if (str[len - 1] == str[0]) {
str[len - 1] = '\0';
memmove(str, str + 1, len - 1);
}
}
}
if (async)
ret = execute_async(argv);
else
ret = execute_sync(argv);
g_strfreev(argv);
return ret;
}
gint open_uri(const gchar *uri, const gchar *cmdline)
{
static gchar *default_cmdline = "netscape -remote openURL(%s,raise)";
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: `%s'"),
cmdline);
g_snprintf(buf, sizeof(buf), default_cmdline, 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 h, m;
time_t remoteoffset;
strncpy(zone3, zone, 3);
zone3[3] = '\0';
remoteoffset = 0;
if (sscanf(zone, "%c%2d%2d", &c, &h, &m) == 3 &&
(c == '+' || c == '-')) {
remoteoffset = ((h * 60) + m) * 60;
if (c == '-')
remoteoffset = -remoteoffset;
} else if (!strncmp(zone, "UT" , 2) ||
!strncmp(zone, "GMT", 2)) {
remoteoffset = 0;
} else if (strlen(zone3) == 3 &&
(p = strstr(ustzstr, zone3)) != NULL &&
(p - ustzstr) % 3 == 0) {
iustz = ((gint)(p - ustzstr) / 3 + 1) / 2 - 8;
remoteoffset = iustz * 3600;
} 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;
}
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);
if (off > 12 * 60)
off -= 24 * 60;
if (off < -12 * 60)
off += 24 * 60;
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));
}
static FILE *log_fp = NULL;
void set_log_file(const gchar *filename)
{
if (log_fp) return;
log_fp = fopen(filename, "w");
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 log_verbosity_set(gboolean verbose)
{
if (verbose)
log_verbosity_count++;
else if (log_verbosity_count > 0)
log_verbosity_count--;
}
void debug_print_real(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);
fputs(buf, stdout);
}
void log_print(const gchar *format, ...)
{
va_list args;
gchar buf[BUFFSIZE];
gchar *logbuf;
gchar timestr[6];
time_t t;
va_start(args, format);
g_vsnprintf(buf, sizeof(buf), format, args);
va_end(args);
time(&t);
strftime(timestr, 6, "%H:%M", localtime(&t));
logbuf = g_strdup_printf("[%s] %s", timestr, buf);
if (debug_mode) fputs(logbuf, stdout);
log_window_append(logbuf, LOG_NORMAL);
if (log_fp) {
fputs(logbuf, log_fp);
fflush(log_fp);
}
if (log_verbosity_count)
statusbar_puts_all(buf);
g_free(logbuf);
}
void log_message(const gchar *format, ...)
{
va_list args;
gchar buf[BUFFSIZE];
va_start(args, format);
g_vsnprintf(buf, sizeof(buf), format, args);
va_end(args);
if (debug_mode) g_message("%s", buf);
log_window_append(buf, LOG_MSG);
if (log_fp) {
fputs("message: ", log_fp);
fputs(buf, log_fp);
fflush(log_fp);
}
statusbar_puts_all(buf);
}
void log_warning(const gchar *format, ...)
{
va_list args;
gchar buf[BUFFSIZE];
va_start(args, format);
g_vsnprintf(buf, sizeof(buf), format, args);
va_end(args);
g_warning("%s", buf);
log_window_append(buf, LOG_WARN);
if (log_fp) {
fputs("*** warning: ", log_fp);
fputs(buf, log_fp);
fflush(log_fp);
}
}
void log_error(const gchar *format, ...)
{
va_list args;
gchar buf[BUFFSIZE];
va_start(args, format);
g_vsnprintf(buf, sizeof(buf), format, args);
va_end(args);
g_warning("%s", buf);
log_window_append(buf, LOG_ERROR);
if (log_fp) {
fputs("*** error: ", log_fp);
fputs(buf, log_fp);
fflush(log_fp);
}
}
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