pidgin/pidgin

closing merged branch
port-changes-from-branch-2.x.y-to-default
14 months ago, Gary Kramlich
2f836435c33c
closing merged branch
/* Purple is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*/
#include "internal.h"
#include "conversation.h"
#include "core.h"
#include "debug.h"
#include "notify.h"
#include "protocol.h"
#include "prefs.h"
#include "util.h"
#include <json-glib/json-glib.h>
static char *custom_user_dir = NULL;
static char *user_dir = NULL;
static gchar *cache_dir = NULL;
static gchar *config_dir = NULL;
static gchar *data_dir = NULL;
void
purple_util_init(void)
{
}
void
purple_util_uninit(void)
{
/* Free these so we don't have leaks at shutdown. */
g_free(custom_user_dir);
custom_user_dir = NULL;
g_free(user_dir);
user_dir = NULL;
g_free(cache_dir);
cache_dir = NULL;
g_free(config_dir);
config_dir = NULL;
g_free(data_dir);
data_dir = NULL;
}
/**************************************************************************
* Base16 Functions
**************************************************************************/
gchar *
purple_base16_encode(const guchar *data, gsize len)
{
gsize i;
gchar *ascii = NULL;
g_return_val_if_fail(data != NULL, NULL);
g_return_val_if_fail(len > 0, NULL);
ascii = g_malloc(len * 2 + 1);
for (i = 0; i < len; i++)
g_snprintf(&ascii[i * 2], 3, "%02x", data[i] & 0xFF);
return ascii;
}
guchar *
purple_base16_decode(const char *str, gsize *ret_len)
{
gsize len, i, accumulator = 0;
guchar *data;
g_return_val_if_fail(str != NULL, NULL);
len = strlen(str);
g_return_val_if_fail(*str, 0);
g_return_val_if_fail(len % 2 == 0, 0);
data = g_malloc(len / 2);
for (i = 0; i < len; i++)
{
if ((i % 2) == 0)
accumulator = 0;
else
accumulator <<= 4;
if (isdigit(str[i]))
accumulator |= str[i] - 48;
else
{
switch(tolower(str[i]))
{
case 'a': accumulator |= 10; break;
case 'b': accumulator |= 11; break;
case 'c': accumulator |= 12; break;
case 'd': accumulator |= 13; break;
case 'e': accumulator |= 14; break;
case 'f': accumulator |= 15; break;
}
}
if (i % 2)
data[(i - 1) / 2] = accumulator;
}
if (ret_len != NULL)
*ret_len = len / 2;
return data;
}
gchar *
purple_base16_encode_chunked(const guchar *data, gsize len)
{
gsize i;
gchar *ascii = NULL;
g_return_val_if_fail(data != NULL, NULL);
g_return_val_if_fail(len > 0, NULL);
/* For each byte of input, we need 2 bytes for the hex representation
* and 1 for the colon.
* The final colon will be replaced by a terminating NULL
*/
ascii = g_malloc(len * 3 + 1);
for (i = 0; i < len; i++)
g_snprintf(&ascii[i * 3], 4, "%02x:", data[i] & 0xFF);
/* Replace the final colon with NULL */
ascii[len * 3 - 1] = 0;
return ascii;
}
/**************************************************************************
* Date/Time Functions
**************************************************************************/
const char *
purple_utf8_strftime(const char *format, const struct tm *tm)
{
static char buf[128];
GDateTime *dt;
char *utf8;
g_return_val_if_fail(format != NULL, NULL);
if (tm == NULL)
{
dt = g_date_time_new_now_local();
} else {
dt = g_date_time_new_local(tm->tm_year + 1900, tm->tm_mon + 1,
tm->tm_mday, tm->tm_hour,
tm->tm_min, tm->tm_sec);
}
utf8 = g_date_time_format(dt, format);
g_date_time_unref(dt);
if (utf8 == NULL) {
purple_debug_error("util",
"purple_utf8_strftime(): Formatting failed\n");
return "";
}
g_strlcpy(buf, utf8, sizeof(buf));
g_free(utf8);
return buf;
}
const char *
purple_date_format_short(const struct tm *tm)
{
return purple_utf8_strftime("%x", tm);
}
const char *
purple_date_format_long(const struct tm *tm)
{
/*
* This string determines how some dates are displayed. The default
* string "%x %X" shows the date then the time. Translators can
* change this to "%X %x" if they want the time to be shown first,
* followed by the date.
*/
return purple_utf8_strftime(_("%x %X"), tm);
}
const char *
purple_date_format_full(const struct tm *tm)
{
return purple_utf8_strftime("%c", tm);
}
const char *
purple_time_format(const struct tm *tm)
{
return purple_utf8_strftime("%X", tm);
}
time_t
purple_time_build(int year, int month, int day, int hour, int min, int sec)
{
struct tm tm;
tm.tm_year = year - 1900;
tm.tm_mon = month - 1;
tm.tm_mday = day;
tm.tm_hour = hour;
tm.tm_min = min;
tm.tm_sec = sec >= 0 ? sec : time(NULL) % 60;
return mktime(&tm);
}
/* originally taken from GLib trunk 1-6-11 */
/* originally licensed as LGPL 2+ */
static time_t
mktime_utc(struct tm *tm)
{
time_t retval;
#ifndef HAVE_TIMEGM
static const gint days_before[] =
{
0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334
};
#endif
#ifndef HAVE_TIMEGM
if (tm->tm_mon < 0 || tm->tm_mon > 11)
return (time_t) -1;
retval = (tm->tm_year - 70) * 365;
retval += (tm->tm_year - 68) / 4;
retval += days_before[tm->tm_mon] + tm->tm_mday - 1;
if (tm->tm_year % 4 == 0 && tm->tm_mon < 2)
retval -= 1;
retval = ((((retval * 24) + tm->tm_hour) * 60) + tm->tm_min) * 60 + tm->tm_sec;
#else
retval = timegm (tm);
#endif /* !HAVE_TIMEGM */
return retval;
}
time_t
purple_str_to_time(const char *timestamp, gboolean utc,
struct tm *tm, long *tz_off, const char **rest)
{
struct tm t;
const gchar *str;
gint year = 0;
long tzoff = PURPLE_NO_TZ_OFF;
time_t retval;
gboolean mktime_with_utc = FALSE;
if (rest != NULL)
*rest = NULL;
g_return_val_if_fail(timestamp != NULL, 0);
memset(&t, 0, sizeof(struct tm));
str = timestamp;
/* Strip leading whitespace */
while (g_ascii_isspace(*str))
str++;
if (*str == '\0') {
if (rest != NULL) {
*rest = str;
}
return 0;
}
if (!g_ascii_isdigit(*str) && *str != '-' && *str != '+') {
if (rest != NULL && *str != '\0')
*rest = str;
return 0;
}
/* 4 digit year */
if (sscanf(str, "%04d", &year) && year >= 1900) {
str += 4;
if (*str == '-' || *str == '/')
str++;
t.tm_year = year - 1900;
}
/* 2 digit month */
if (!sscanf(str, "%02d", &t.tm_mon)) {
if (rest != NULL && *str != '\0')
*rest = str;
return 0;
}
str += 2;
t.tm_mon -= 1;
if (*str == '-' || *str == '/')
str++;
/* 2 digit day */
if (!sscanf(str, "%02d", &t.tm_mday)) {
if (rest != NULL && *str != '\0')
*rest = str;
return 0;
}
str += 2;
/* Grab the year off the end if there's still stuff */
if (*str == '/' || *str == '-') {
/* But make sure we don't read the year twice */
if (year >= 1900) {
if (rest != NULL && *str != '\0')
*rest = str;
return 0;
}
str++;
if (!sscanf(str, "%04d", &t.tm_year)) {
if (rest != NULL && *str != '\0')
*rest = str;
return 0;
}
t.tm_year -= 1900;
} else if (*str == 'T' || *str == '.') {
str++;
/* Continue grabbing the hours/minutes/seconds */
if ((sscanf(str, "%02d:%02d:%02d", &t.tm_hour, &t.tm_min, &t.tm_sec) == 3 &&
(str += 8)) ||
(sscanf(str, "%02d%02d%02d", &t.tm_hour, &t.tm_min, &t.tm_sec) == 3 &&
(str += 6)))
{
gint sign, tzhrs, tzmins;
if (*str == '.') {
/* Cut off those pesky micro-seconds */
do {
str++;
} while (*str >= '0' && *str <= '9');
}
sign = (*str == '+') ? 1 : -1;
/* Process the timezone */
if (*str == '+' || *str == '-') {
str++;
if (((sscanf(str, "%02d:%02d", &tzhrs, &tzmins) == 2 && (str += 5)) ||
(sscanf(str, "%02d%02d", &tzhrs, &tzmins) == 2 && (str += 4))))
{
mktime_with_utc = TRUE;
tzoff = tzhrs * 60 * 60 + tzmins * 60;
tzoff *= sign;
}
} else if (*str == 'Z') {
/* 'Z' = Zulu = UTC */
str++;
mktime_with_utc = TRUE;
tzoff = 0;
}
if (!mktime_with_utc)
{
/* No timezone specified. */
if (utc) {
mktime_with_utc = TRUE;
tzoff = 0;
} else {
/* Local Time */
t.tm_isdst = -1;
}
}
}
}
if (rest != NULL && *str != '\0') {
/* Strip trailing whitespace */
while (g_ascii_isspace(*str))
str++;
if (*str != '\0')
*rest = str;
}
if (mktime_with_utc)
retval = mktime_utc(&t);
else
retval = mktime(&t);
if (tm != NULL)
*tm = t;
if (tzoff != PURPLE_NO_TZ_OFF)
retval -= tzoff;
if (tz_off != NULL)
*tz_off = tzoff;
return retval;
}
GDateTime *
purple_str_to_date_time(const char *timestamp, gboolean utc)
{
const gchar *str;
gint year = 0;
gint month = 0;
gint day = 0;
gint hour = 0;
gint minute = 0;
gint seconds = 0;
gint microseconds = 0;
int chars = 0;
GTimeZone *tz = NULL;
GDateTime *retval;
g_return_val_if_fail(timestamp != NULL, NULL);
str = timestamp;
/* Strip leading whitespace */
while (g_ascii_isspace(*str))
str++;
if (*str == '\0') {
return NULL;
}
if (!g_ascii_isdigit(*str) && *str != '-' && *str != '+') {
return NULL;
}
/* 4 digit year */
if (sscanf(str, "%04d", &year) && year > 0) {
str += 4;
if (*str == '-' || *str == '/')
str++;
}
/* 2 digit month */
if (!sscanf(str, "%02d", &month)) {
return NULL;
}
str += 2;
if (*str == '-' || *str == '/')
str++;
/* 2 digit day */
if (!sscanf(str, "%02d", &day)) {
return NULL;
}
str += 2;
/* Grab the year off the end if there's still stuff */
if (*str == '/' || *str == '-') {
/* But make sure we don't read the year twice */
if (year > 0) {
return NULL;
}
str++;
if (!sscanf(str, "%04d", &year)) {
return NULL;
}
} else if (*str == 'T' || *str == '.') {
str++;
/* Continue grabbing the hours/minutes/seconds */
if ((sscanf(str, "%02d:%02d:%02d", &hour, &minute, &seconds) == 3 &&
(str += 8)) ||
(sscanf(str, "%02d%02d%02d", &hour, &minute, &seconds) == 3 &&
(str += 6)))
{
if (*str == '.') {
str++;
if (sscanf(str, "%d%n", &microseconds, &chars) == 1) {
str += chars;
}
}
if (*str) {
const gchar *end = str;
if (*end == '+' || *end == '-') {
end++;
}
while (isdigit(*end) || *end == ':') {
end++;
}
if (str != end) {
/* Trim anything trailing a purely numeric time zone. */
gchar *tzstr = g_strndup(str, end - str);
tz = g_time_zone_new(tzstr);
g_free(tzstr);
} else {
/* Just try whatever is there. */
tz = g_time_zone_new(str);
}
}
}
}
if (!tz) {
/* No timezone specified. */
if (utc) {
tz = g_time_zone_new_utc();
} else {
tz = g_time_zone_new_local();
}
}
retval = g_date_time_new(tz, year, month, day, hour, minute,
seconds + microseconds * pow(10, -chars));
g_time_zone_unref(tz);
return retval;
}
gint purple_time_parse_month(const char *month_abbr)
{
const char *months[] = {
"Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec",
NULL};
for (gint month = 0; months[month] != NULL; month++) {
if (purple_strequal(month_abbr, months[month])) {
return month + 1;
}
}
return 0;
}
/**************************************************************************
* Markup Functions
**************************************************************************/
/*
* This function is stolen from glib's gmarkup.c and modified to not
* replace ' with &apos;
*/
static void append_escaped_text(GString *str,
const gchar *text, gssize length)
{
const gchar *p;
const gchar *end;
gunichar c;
p = text;
end = text + length;
while (p != end)
{
const gchar *next;
next = g_utf8_next_char (p);
switch (*p)
{
case '&':
g_string_append (str, "&amp;");
break;
case '<':
g_string_append (str, "&lt;");
break;
case '>':
g_string_append (str, "&gt;");
break;
case '"':
g_string_append (str, "&quot;");
break;
default:
c = g_utf8_get_char (p);
if ((0x1 <= c && c <= 0x8) ||
(0xb <= c && c <= 0xc) ||
(0xe <= c && c <= 0x1f) ||
(0x7f <= c && c <= 0x84) ||
(0x86 <= c && c <= 0x9f))
g_string_append_printf (str, "&#x%x;", c);
else
g_string_append_len (str, p, next - p);
break;
}
p = next;
}
}
/* This function is stolen from glib's gmarkup.c */
gchar *purple_markup_escape_text(const gchar *text, gssize length)
{
GString *str;
g_return_val_if_fail(text != NULL, NULL);
if (length < 0)
length = strlen(text);
/* prealloc at least as long as original text */
str = g_string_sized_new(length);
append_escaped_text(str, text, length);
return g_string_free(str, FALSE);
}
const char *
purple_markup_unescape_entity(const char *text, int *length)
{
const char *pln;
int len;
if (!text || *text != '&')
return NULL;
#define IS_ENTITY(s) (!g_ascii_strncasecmp(text, s, (len = sizeof(s) - 1)))
if(IS_ENTITY("&amp;"))
pln = "&";
else if(IS_ENTITY("&lt;"))
pln = "<";
else if(IS_ENTITY("&gt;"))
pln = ">";
else if(IS_ENTITY("&nbsp;"))
pln = " ";
else if(IS_ENTITY("&copy;"))
pln = "\302\251"; /* or use g_unichar_to_utf8(0xa9); */
else if(IS_ENTITY("&quot;"))
pln = "\"";
else if(IS_ENTITY("&reg;"))
pln = "\302\256"; /* or use g_unichar_to_utf8(0xae); */
else if(IS_ENTITY("&apos;"))
pln = "\'";
else if(text[1] == '#' && (g_ascii_isxdigit(text[2]) || text[2] == 'x')) {
static char buf[7];
const char *start = text + 2;
char *end;
guint64 pound;
int base = 10;
int buflen;
if (*start == 'x') {
base = 16;
start++;
}
pound = g_ascii_strtoull(start, &end, base);
if (pound == 0 || pound > INT_MAX || *end != ';') {
return NULL;
}
len = (end - text) + 1;
buflen = g_unichar_to_utf8((gunichar)pound, buf);
buf[buflen] = '\0';
pln = buf;
}
else
return NULL;
if (length)
*length = len;
return pln;
}
char *
purple_markup_get_css_property(const gchar *style,
const gchar *opt)
{
const gchar *css_str = style;
const gchar *css_value_start;
const gchar *css_value_end;
gchar *tmp;
gchar *ret;
g_return_val_if_fail(opt != NULL, NULL);
if (!css_str)
return NULL;
/* find the CSS property */
while (1)
{
/* skip whitespace characters */
while (*css_str && g_ascii_isspace(*css_str))
css_str++;
if (!g_ascii_isalpha(*css_str))
return NULL;
if (g_ascii_strncasecmp(css_str, opt, strlen(opt)))
{
/* go to next css property positioned after the next ';' */
while (*css_str && *css_str != '"' && *css_str != ';')
css_str++;
if(*css_str != ';')
return NULL;
css_str++;
}
else
break;
}
/* find the CSS value position in the string */
css_str += strlen(opt);
while (*css_str && g_ascii_isspace(*css_str))
css_str++;
if (*css_str != ':')
return NULL;
css_str++;
while (*css_str && g_ascii_isspace(*css_str))
css_str++;
if (*css_str == '\0' || *css_str == '"' || *css_str == ';')
return NULL;
/* mark the CSS value */
css_value_start = css_str;
while (*css_str && *css_str != '"' && *css_str != ';')
css_str++;
css_value_end = css_str - 1;
/* Removes trailing whitespace */
while (css_value_end > css_value_start && g_ascii_isspace(*css_value_end))
css_value_end--;
tmp = g_strndup(css_value_start, css_value_end - css_value_start + 1);
ret = purple_unescape_html(tmp);
g_free(tmp);
return ret;
}
gboolean purple_markup_is_rtl(const char *html)
{
GData *attributes;
const gchar *start, *end;
gboolean res = FALSE;
if (purple_markup_find_tag("span", html, &start, &end, &attributes))
{
/* tmp is a member of attributes and is free with g_datalist_clear call */
const char *tmp = g_datalist_get_data(&attributes, "dir");
if (tmp && !g_ascii_strcasecmp(tmp, "RTL"))
res = TRUE;
if (!res)
{
tmp = g_datalist_get_data(&attributes, "style");
if (tmp)
{
char *tmp2 = purple_markup_get_css_property(tmp, "direction");
if (tmp2 && !g_ascii_strcasecmp(tmp2, "RTL"))
res = TRUE;
g_free(tmp2);
}
}
g_datalist_clear(&attributes);
}
return res;
}
gboolean
purple_markup_find_tag(const char *needle, const char *haystack,
const char **start, const char **end, GData **attributes)
{
GData *attribs;
const char *cur = haystack;
char *name = NULL;
gboolean found = FALSE;
gboolean in_tag = FALSE;
gboolean in_attr = FALSE;
const char *in_quotes = NULL;
size_t needlelen;
g_return_val_if_fail( needle != NULL, FALSE);
g_return_val_if_fail( *needle != '\0', FALSE);
g_return_val_if_fail( haystack != NULL, FALSE);
g_return_val_if_fail( start != NULL, FALSE);
g_return_val_if_fail( end != NULL, FALSE);
g_return_val_if_fail(attributes != NULL, FALSE);
needlelen = strlen(needle);
g_datalist_init(&attribs);
while (*cur && !found) {
if (in_tag) {
if (in_quotes) {
const char *close = cur;
while (*close && *close != *in_quotes)
close++;
/* if we got the close quote, store the value and carry on from *
* after it. if we ran to the end of the string, point to the NULL *
* and we're outta here */
if (*close) {
/* only store a value if we have an attribute name */
if (name) {
size_t len = close - cur;
char *val = g_strndup(cur, len);
g_datalist_set_data_full(&attribs, name, val, g_free);
g_free(name);
name = NULL;
}
in_quotes = NULL;
cur = close + 1;
} else {
cur = close;
}
} else if (in_attr) {
const char *close = cur;
while (*close && *close != '>' && *close != '"' &&
*close != '\'' && *close != ' ' && *close != '=')
close++;
/* if we got the equals, store the name of the attribute. if we got
* the quote, save the attribute and go straight to quote mode.
* otherwise the tag closed or we reached the end of the string,
* so we can get outta here */
switch (*close) {
case '"':
case '\'':
in_quotes = close;
/* fall through */
case '=':
{
size_t len = close - cur;
/* don't store a blank attribute name */
if (len) {
g_free(name);
name = g_ascii_strdown(cur, len);
}
in_attr = FALSE;
cur = close + 1;
}
break;
case ' ':
case '>':
in_attr = FALSE;
/* fall through */
default:
cur = close;
break;
}
} else {
switch (*cur) {
case ' ':
/* swallow extra spaces inside tag */
while (*cur && *cur == ' ') cur++;
in_attr = TRUE;
break;
case '>':
found = TRUE;
*end = cur;
break;
case '"':
case '\'':
in_quotes = cur;
/* fall through */
default:
cur++;
break;
}
}
} else {
/* if we hit a < followed by the name of our tag... */
if (*cur == '<' && !g_ascii_strncasecmp(cur + 1, needle, needlelen)) {
*start = cur;
cur = cur + needlelen + 1;
/* if we're pointing at a space or a >, we found the right tag. if *
* we're not, we've found a longer tag, so we need to skip to the *
* >, but not being distracted by >s inside quotes. */
if (*cur == ' ' || *cur == '>') {
in_tag = TRUE;
} else {
while (*cur && *cur != '"' && *cur != '\'' && *cur != '>') {
if (*cur == '"') {
cur++;
while (*cur && *cur != '"')
cur++;
} else if (*cur == '\'') {
cur++;
while (*cur && *cur != '\'')
cur++;
} else {
cur++;
}
}
}
} else {
cur++;
}
}
}
/* clean up any attribute name from a premature termination */
g_free(name);
if (found) {
*attributes = attribs;
} else {
*start = NULL;
*end = NULL;
*attributes = NULL;
}
return found;
}
struct purple_parse_tag {
char *src_tag;
char *dest_tag;
gboolean ignore;
};
/* NOTE: Do not put `do {} while(0)` around this macro (as this is the method
recommended in the GCC docs). It contains 'continue's that should
affect the while-loop in purple_markup_html_to_xhtml and doing the
above would break that.
Also, remember to put braces in constructs that require them for
multiple statements when using this macro. */
#define ALLOW_TAG_ALT(x, y) if(!g_ascii_strncasecmp(c, "<" x " ", strlen("<" x " "))) { \
const char *o = c + strlen("<" x); \
const char *p = NULL, *q = NULL, *r = NULL; \
/* o = iterating over full tag \
* p = > (end of tag) \
* q = start of quoted bit \
* r = < inside tag \
*/ \
GString *innards = g_string_new(""); \
while(o && *o) { \
if(!q && (*o == '\"' || *o == '\'') ) { \
q = o; \
} else if(q) { \
if(*o == *q) { /* end of quoted bit */ \
char *unescaped = g_strndup(q+1, o-q-1); \
char *escaped = g_markup_escape_text(unescaped, -1); \
g_string_append_printf(innards, "%c%s%c", *q, escaped, *q); \
g_free(unescaped); \
g_free(escaped); \
q = NULL; \
} else if(*c == '\\') { \
o++; \
} \
} else if(*o == '<') { \
r = o; \
} else if(*o == '>') { \
p = o; \
break; \
} else { \
innards = g_string_append_c(innards, *o); \
} \
o++; \
} \
if(p && !r) { /* got an end of tag and no other < earlier */\
if(*(p-1) != '/') { \
struct purple_parse_tag *pt = g_new0(struct purple_parse_tag, 1); \
pt->src_tag = x; \
pt->dest_tag = y; \
tags = g_list_prepend(tags, pt); \
} \
if(xhtml) { \
xhtml = g_string_append(xhtml, "<" y); \
xhtml = g_string_append(xhtml, innards->str); \
xhtml = g_string_append_c(xhtml, '>'); \
} \
c = p + 1; \
} else { /* got end of tag with earlier < *or* didn't get anything */ \
if(xhtml) \
xhtml = g_string_append(xhtml, "&lt;"); \
if(plain) \
plain = g_string_append_c(plain, '<'); \
c++; \
} \
g_string_free(innards, TRUE); \
continue; \
} \
if(!g_ascii_strncasecmp(c, "<" x, strlen("<" x)) && \
(*(c+strlen("<" x)) == '>' || \
!g_ascii_strncasecmp(c+strlen("<" x), "/>", 2))) { \
if(xhtml) \
xhtml = g_string_append(xhtml, "<" y); \
c += strlen("<" x); \
if(*c != '/') { \
struct purple_parse_tag *pt = g_new0(struct purple_parse_tag, 1); \
pt->src_tag = x; \
pt->dest_tag = y; \
tags = g_list_prepend(tags, pt); \
if(xhtml) \
xhtml = g_string_append_c(xhtml, '>'); \
} else { \
if(xhtml) \
xhtml = g_string_append(xhtml, "/>");\
} \
c = strchr(c, '>') + 1; \
continue; \
}
/* Don't forget to check the note above for ALLOW_TAG_ALT. */
#define ALLOW_TAG(x) ALLOW_TAG_ALT(x, x)
void
purple_markup_html_to_xhtml(const char *html, char **xhtml_out,
char **plain_out)
{
GString *xhtml = NULL;
GString *plain = NULL;
GString *url = NULL;
GString *cdata = NULL;
GList *tags = NULL, *tag;
const char *c = html;
char quote = '\0';
#define CHECK_QUOTE(ptr) if (*(ptr) == '\'' || *(ptr) == '\"') \
quote = *(ptr++); \
else \
quote = '\0';
#define VALID_CHAR(ptr) (*(ptr) && *(ptr) != quote && (quote || (*(ptr) != ' ' && *(ptr) != '>')))
g_return_if_fail(xhtml_out != NULL || plain_out != NULL);
if(xhtml_out)
xhtml = g_string_new("");
if(plain_out)
plain = g_string_new("");
while(c && *c) {
if(*c == '<') {
if(*(c+1) == '/') { /* closing tag */
tag = tags;
while(tag) {
struct purple_parse_tag *pt = tag->data;
if(!g_ascii_strncasecmp((c+2), pt->src_tag, strlen(pt->src_tag)) && *(c+strlen(pt->src_tag)+2) == '>') {
c += strlen(pt->src_tag) + 3;
break;
}
tag = tag->next;
}
if(tag) {
while(tags) {
struct purple_parse_tag *pt = tags->data;
if(xhtml && !pt->ignore)
g_string_append_printf(xhtml, "</%s>", pt->dest_tag);
if(plain && purple_strequal(pt->src_tag, "a")) {
/* if this is a link, we have to add the url to the plaintext, too */
if (cdata && url &&
(!g_string_equal(cdata, url) && (g_ascii_strncasecmp(url->str, "mailto:", 7) != 0 ||
g_utf8_collate(url->str + 7, cdata->str) != 0)))
g_string_append_printf(plain, " <%s>", g_strstrip(purple_unescape_html(url->str)));
if (cdata) {
g_string_free(cdata, TRUE);
cdata = NULL;
}
}
if(tags == tag)
break;
tags = g_list_delete_link(tags, tags);
g_free(pt);
}
g_free(tag->data);
tags = g_list_delete_link(tags, tag);
} else {
/* a closing tag we weren't expecting...
* we'll let it slide, if it's really a tag...if it's
* just a </ we'll escape it properly */
const char *end = c+2;
while(*end && g_ascii_isalpha(*end))
end++;
if(*end == '>') {
c = end+1;
} else {
if(xhtml)
xhtml = g_string_append(xhtml, "&lt;");
if(plain)
plain = g_string_append_c(plain, '<');
c++;
}
}
} else { /* opening tag */
ALLOW_TAG("blockquote");
ALLOW_TAG("cite");
ALLOW_TAG("div");
ALLOW_TAG("em");
ALLOW_TAG("h1");
ALLOW_TAG("h2");
ALLOW_TAG("h3");
ALLOW_TAG("h4");
ALLOW_TAG("h5");
ALLOW_TAG("h6");
/* we only allow html to start the message */
if(c == html) {
ALLOW_TAG("html");
}
ALLOW_TAG_ALT("i", "em");
ALLOW_TAG_ALT("italic", "em");
ALLOW_TAG("li");
ALLOW_TAG("ol");
ALLOW_TAG("p");
ALLOW_TAG("pre");
ALLOW_TAG("q");
ALLOW_TAG("span");
ALLOW_TAG("ul");
/* we skip <HR> because it's not legal in XHTML-IM. However,
* we still want to send something sensible, so we put a
* linebreak in its place. <BR> also needs special handling
* because putting a </BR> to close it would just be dumb. */
if((!g_ascii_strncasecmp(c, "<br", 3)
|| !g_ascii_strncasecmp(c, "<hr", 3))
&& (*(c+3) == '>' ||
!g_ascii_strncasecmp(c+3, "/>", 2) ||
!g_ascii_strncasecmp(c+3, " />", 3))) {
c = strchr(c, '>') + 1;
if(xhtml)
xhtml = g_string_append(xhtml, "<br/>");
if(plain && *c != '\n')
plain = g_string_append_c(plain, '\n');
continue;
}
if(!g_ascii_strncasecmp(c, "<b>", 3) || !g_ascii_strncasecmp(c, "<bold>", strlen("<bold>")) || !g_ascii_strncasecmp(c, "<strong>", strlen("<strong>"))) {
struct purple_parse_tag *pt = g_new0(struct purple_parse_tag, 1);
if (*(c+2) == '>')
pt->src_tag = "b";
else if (*(c+2) == 'o')
pt->src_tag = "bold";
else
pt->src_tag = "strong";
pt->dest_tag = "span";
tags = g_list_prepend(tags, pt);
c = strchr(c, '>') + 1;
if(xhtml)
xhtml = g_string_append(xhtml, "<span style='font-weight: bold;'>");
continue;
}
if(!g_ascii_strncasecmp(c, "<u>", 3) || !g_ascii_strncasecmp(c, "<underline>", strlen("<underline>"))) {
struct purple_parse_tag *pt = g_new0(struct purple_parse_tag, 1);
pt->src_tag = *(c+2) == '>' ? "u" : "underline";
pt->dest_tag = "span";
tags = g_list_prepend(tags, pt);
c = strchr(c, '>') + 1;
if (xhtml)
xhtml = g_string_append(xhtml, "<span style='text-decoration: underline;'>");
continue;
}
if(!g_ascii_strncasecmp(c, "<s>", 3) || !g_ascii_strncasecmp(c, "<strike>", strlen("<strike>"))) {
struct purple_parse_tag *pt = g_new0(struct purple_parse_tag, 1);
pt->src_tag = *(c+2) == '>' ? "s" : "strike";
pt->dest_tag = "span";
tags = g_list_prepend(tags, pt);
c = strchr(c, '>') + 1;
if(xhtml)
xhtml = g_string_append(xhtml, "<span style='text-decoration: line-through;'>");
continue;
}
if(!g_ascii_strncasecmp(c, "<sub>", 5)) {
struct purple_parse_tag *pt = g_new0(struct purple_parse_tag, 1);
pt->src_tag = "sub";
pt->dest_tag = "span";
tags = g_list_prepend(tags, pt);
c = strchr(c, '>') + 1;
if(xhtml)
xhtml = g_string_append(xhtml, "<span style='vertical-align:sub;'>");
continue;
}
if(!g_ascii_strncasecmp(c, "<sup>", 5)) {
struct purple_parse_tag *pt = g_new0(struct purple_parse_tag, 1);
pt->src_tag = "sup";
pt->dest_tag = "span";
tags = g_list_prepend(tags, pt);
c = strchr(c, '>') + 1;
if(xhtml)
xhtml = g_string_append(xhtml, "<span style='vertical-align:super;'>");
continue;
}
if (!g_ascii_strncasecmp(c, "<img", 4) && (*(c+4) == '>' || *(c+4) == ' ')) {
const char *p = c + 4;
GString *src = NULL, *alt = NULL;
#define ESCAPE(from, to) \
CHECK_QUOTE(from); \
while (VALID_CHAR(from)) { \
int len; \
if ((*from == '&') && (purple_markup_unescape_entity(from, &len) == NULL)) \
to = g_string_append(to, "&amp;"); \
else if (*from == '\'') \
to = g_string_append(to, "&apos;"); \
else \
to = g_string_append_c(to, *from); \
from++; \
}
while (*p && *p != '>') {
if (!g_ascii_strncasecmp(p, "src=", 4)) {
const char *q = p + 4;
if (src)
g_string_free(src, TRUE);
src = g_string_new("");
ESCAPE(q, src);
p = q;
} else if (!g_ascii_strncasecmp(p, "alt=", 4)) {
const char *q = p + 4;
if (alt)
g_string_free(alt, TRUE);
alt = g_string_new("");
ESCAPE(q, alt);
p = q;
} else {
p++;
}
}
#undef ESCAPE
if ((c = strchr(p, '>')) != NULL)
c++;
else
c = p;
/* src and alt are required! */
if(src && xhtml)
g_string_append_printf(xhtml, "<img src='%s' alt='%s' />", g_strstrip(src->str), alt ? alt->str : "");
if(alt) {
if(plain)
plain = g_string_append(plain, purple_unescape_html(alt->str));
if(!src && xhtml)
xhtml = g_string_append(xhtml, alt->str);
g_string_free(alt, TRUE);
}
g_string_free(src, TRUE);
continue;
}
if (!g_ascii_strncasecmp(c, "<a", 2) && (*(c+2) == '>' || *(c+2) == ' ')) {
const char *p = c + 2;
struct purple_parse_tag *pt;
while (*p && *p != '>') {
if (!g_ascii_strncasecmp(p, "href=", 5)) {
const char *q = p + 5;
if (url)
g_string_free(url, TRUE);
url = g_string_new("");
if (cdata)
g_string_free(cdata, TRUE);
cdata = g_string_new("");
CHECK_QUOTE(q);
while (VALID_CHAR(q)) {
int len;
if ((*q == '&') && (purple_markup_unescape_entity(q, &len) == NULL))
url = g_string_append(url, "&amp;");
else if (*q == '"')
url = g_string_append(url, "&quot;");
else
url = g_string_append_c(url, *q);
q++;
}
p = q;
} else {
p++;
}
}
if ((c = strchr(p, '>')) != NULL)
c++;
else
c = p;
pt = g_new0(struct purple_parse_tag, 1);
pt->src_tag = "a";
pt->dest_tag = "a";
tags = g_list_prepend(tags, pt);
if(xhtml)
g_string_append_printf(xhtml, "<a href=\"%s\">", url ? g_strstrip(url->str) : "");
continue;
}
#define ESCAPE(from, to) \
CHECK_QUOTE(from); \
while (VALID_CHAR(from)) { \
int len; \
if ((*from == '&') && (purple_markup_unescape_entity(from, &len) == NULL)) \
to = g_string_append(to, "&amp;"); \
else if (*from == '\'') \
to = g_string_append_c(to, '\"'); \
else \
to = g_string_append_c(to, *from); \
from++; \
}
if(!g_ascii_strncasecmp(c, "<font", 5) && (*(c+5) == '>' || *(c+5) == ' ')) {
const char *p = c + 5;
GString *style = g_string_new("");
struct purple_parse_tag *pt;
while (*p && *p != '>') {
if (!g_ascii_strncasecmp(p, "back=", 5)) {
const char *q = p + 5;
GString *color = g_string_new("");
ESCAPE(q, color);
g_string_append_printf(style, "background: %s; ", color->str);
g_string_free(color, TRUE);
p = q;
} else if (!g_ascii_strncasecmp(p, "color=", 6)) {
const char *q = p + 6;
GString *color = g_string_new("");
ESCAPE(q, color);
g_string_append_printf(style, "color: %s; ", color->str);
g_string_free(color, TRUE);
p = q;
} else if (!g_ascii_strncasecmp(p, "face=", 5)) {
const char *q = p + 5;
GString *face = g_string_new("");
ESCAPE(q, face);
g_string_append_printf(style, "font-family: %s; ", g_strstrip(face->str));
g_string_free(face, TRUE);
p = q;
} else if (!g_ascii_strncasecmp(p, "size=", 5)) {
const char *q = p + 5;
int sz;
const char *size = "medium";
CHECK_QUOTE(q);
sz = atoi(q);
switch (sz)
{
case 1:
size = "xx-small";
break;
case 2:
size = "small";
break;
case 3:
size = "medium";
break;
case 4:
size = "large";
break;
case 5:
size = "x-large";
break;
case 6:
case 7:
size = "xx-large";
break;
default:
break;
}
g_string_append_printf(style, "font-size: %s; ", size);
p = q;
} else {
p++;
}
}
if ((c = strchr(p, '>')) != NULL)
c++;
else
c = p;
pt = g_new0(struct purple_parse_tag, 1);
pt->src_tag = "font";
pt->dest_tag = "span";
tags = g_list_prepend(tags, pt);
if(style->len && xhtml)
g_string_append_printf(xhtml, "<span style='%s'>", g_strstrip(style->str));
else
pt->ignore = TRUE;
g_string_free(style, TRUE);
continue;
}
#undef ESCAPE
if (!g_ascii_strncasecmp(c, "<body ", 6)) {
const char *p = c + 6;
gboolean did_something = FALSE;
while (*p && *p != '>') {
if (!g_ascii_strncasecmp(p, "bgcolor=", 8)) {
const char *q = p + 8;
struct purple_parse_tag *pt = g_new0(struct purple_parse_tag, 1);
GString *color = g_string_new("");
CHECK_QUOTE(q);
while (VALID_CHAR(q)) {
color = g_string_append_c(color, *q);
q++;
}
if (xhtml)
g_string_append_printf(xhtml, "<span style='background: %s;'>", g_strstrip(color->str));
g_string_free(color, TRUE);
if ((c = strchr(p, '>')) != NULL)
c++;
else
c = p;
pt->src_tag = "body";
pt->dest_tag = "span";
tags = g_list_prepend(tags, pt);
did_something = TRUE;
break;
}
p++;
}
if (did_something) continue;
}
/* this has to come after the special case for bgcolor */
ALLOW_TAG("body");
if(!g_ascii_strncasecmp(c, "<!--", strlen("<!--"))) {
char *p = strstr(c + strlen("<!--"), "-->");
if(p) {
if(xhtml)
xhtml = g_string_append(xhtml, "<!--");
c += strlen("<!--");
continue;
}
}
if(xhtml)
xhtml = g_string_append(xhtml, "&lt;");
if(plain)
plain = g_string_append_c(plain, '<');
c++;
}
} else if(*c == '&') {
char buf[7];
const char *pln;
int len;
if ((pln = purple_markup_unescape_entity(c, &len)) == NULL) {
len = 1;
g_snprintf(buf, sizeof(buf), "%c", *c);
pln = buf;
}
if(xhtml)
xhtml = g_string_append_len(xhtml, c, len);
if(plain)
plain = g_string_append(plain, pln);
if(cdata)
cdata = g_string_append_len(cdata, c, len);
c += len;
} else {
if(xhtml)
xhtml = g_string_append_c(xhtml, *c);
if(plain)
plain = g_string_append_c(plain, *c);
if(cdata)
cdata = g_string_append_c(cdata, *c);
c++;
}
}
if(xhtml) {
for (tag = tags; tag ; tag = tag->next) {
struct purple_parse_tag *pt = tag->data;
if(!pt->ignore)
g_string_append_printf(xhtml, "</%s>", pt->dest_tag);
}
}
g_list_free(tags);
if(xhtml_out)
*xhtml_out = g_string_free(xhtml, FALSE);
if(plain_out)
*plain_out = g_string_free(plain, FALSE);
if(url)
g_string_free(url, TRUE);
if (cdata)
g_string_free(cdata, TRUE);
#undef CHECK_QUOTE
#undef VALID_CHAR
}
/* The following are probably reasonable changes:
* - \n should be converted to a normal space
* - in addition to <br>, <p> and <div> etc. should also be converted into \n
* - We want to turn </td>#whitespace<td> sequences into a single tab
* - We want to turn </tr>#whitespace<tr> sequences into a single \n
* - <script>...</script> and <style>...</style> should be completely removed
*/
char *
purple_markup_strip_html(const char *str)
{
int i, j, k, entlen;
gboolean visible = TRUE;
gboolean closing_td_p = FALSE;
gchar *str2;
const gchar *cdata_close_tag = NULL, *ent;
gchar *href = NULL;
int href_st = 0;
if(!str)
return NULL;
str2 = g_strdup(str);
for (i = 0, j = 0; str2[i]; i++)
{
if (str2[i] == '<')
{
if (cdata_close_tag)
{
/* Note: Don't even assume any other tag is a tag in CDATA */
if (g_ascii_strncasecmp(str2 + i, cdata_close_tag,
strlen(cdata_close_tag)) == 0)
{
i += strlen(cdata_close_tag) - 1;
cdata_close_tag = NULL;
}
continue;
}
else if (g_ascii_strncasecmp(str2 + i, "<td", 3) == 0 && closing_td_p)
{
str2[j++] = '\t';
visible = TRUE;
}
else if (g_ascii_strncasecmp(str2 + i, "</td>", 5) == 0)
{
closing_td_p = TRUE;
visible = FALSE;
}
else
{
closing_td_p = FALSE;
visible = TRUE;
}
k = i + 1;
if(g_ascii_isspace(str2[k]))
visible = TRUE;
else if (str2[k])
{
/* Scan until we end the tag either implicitly (closed start
* tag) or explicitly, using a sloppy method (i.e., < or >
* inside quoted attributes will screw us up)
*/
while (str2[k] && str2[k] != '<' && str2[k] != '>')
{
k++;
}
/* If we've got an <a> tag with an href, save the address
* to print later. */
if (g_ascii_strncasecmp(str2 + i, "<a", 2) == 0 &&
g_ascii_isspace(str2[i+2]))
{
int st; /* start of href, inclusive [ */
int end; /* end of href, exclusive ) */
char delim = ' ';
/* Find start of href */
for (st = i + 3; st < k; st++)
{
if (g_ascii_strncasecmp(str2+st, "href=", 5) == 0)
{
st += 5;
if (str2[st] == '"' || str2[st] == '\'')
{
delim = str2[st];
st++;
}
break;
}
}
/* find end of address */
for (end = st; end < k && str2[end] != delim; end++)
{
/* All the work is done in the loop construct above. */
}
/* If there's an address, save it. If there was
* already one saved, kill it. */
if (st < k)
{
char *tmp;
g_free(href);
tmp = g_strndup(str2 + st, end - st);
href = purple_unescape_html(tmp);
g_free(tmp);
href_st = j;
}
}
/* Replace </a> with an ascii representation of the
* address the link was pointing to. */
else if (href != NULL && g_ascii_strncasecmp(str2 + i, "</a>", 4) == 0)
{
size_t hrlen = strlen(href);
/* Only insert the href if it's different from the CDATA. */
if ((hrlen != (gsize)(j - href_st) ||
strncmp(str2 + href_st, href, hrlen)) &&
(hrlen != (gsize)(j - href_st + 7) || /* 7 == strlen("http://") */
strncmp(str2 + href_st, href + 7, hrlen - 7)))
{
str2[j++] = ' ';
str2[j++] = '(';
memmove(str2 + j, href, hrlen);
j += hrlen;
str2[j++] = ')';
g_free(href);
href = NULL;
}
}
/* Check for tags which should be mapped to newline (but ignore some of
* the tags at the beginning of the text) */
else if ((j && (g_ascii_strncasecmp(str2 + i, "<p>", 3) == 0
|| g_ascii_strncasecmp(str2 + i, "<tr", 3) == 0
|| g_ascii_strncasecmp(str2 + i, "<hr", 3) == 0
|| g_ascii_strncasecmp(str2 + i, "<li", 3) == 0
|| g_ascii_strncasecmp(str2 + i, "<div", 4) == 0))
|| g_ascii_strncasecmp(str2 + i, "<br", 3) == 0
|| g_ascii_strncasecmp(str2 + i, "</table>", 8) == 0)
{
str2[j++] = '\n';
}
/* Check for tags which begin CDATA and need to be closed */
else if (g_ascii_strncasecmp(str2 + i, "<script", 7) == 0)
{
cdata_close_tag = "</script>";
}
else if (g_ascii_strncasecmp(str2 + i, "<style", 6) == 0)
{
cdata_close_tag = "</style>";
}
/* Update the index and continue checking after the tag */
i = (str2[k] == '<' || str2[k] == '\0')? k - 1: k;
continue;
}
}
else if (cdata_close_tag)
{
continue;
}
else if (!g_ascii_isspace(str2[i]))
{
visible = TRUE;
}
if (str2[i] == '&' && (ent = purple_markup_unescape_entity(str2 + i, &entlen)) != NULL)
{
while (*ent)
str2[j++] = *ent++;
i += entlen - 1;
continue;
}
if (visible)
str2[j++] = g_ascii_isspace(str2[i])? ' ': str2[i];
}
g_free(href);
str2[j] = '\0';
return str2;
}
static gboolean
badchar(char c)
{
switch (c) {
case ' ':
case ',':
case '\0':
case '\n':
case '\r':
case '<':
case '>':
case '"':
return TRUE;
default:
return FALSE;
}
}
static gboolean
badentity(const char *c)
{
if (!g_ascii_strncasecmp(c, "&lt;", 4) ||
!g_ascii_strncasecmp(c, "&gt;", 4) ||
!g_ascii_strncasecmp(c, "&quot;", 6)) {
return TRUE;
}
return FALSE;
}
static const char *
process_link(GString *ret,
const char *start, const char *c,
int matchlen,
const char *urlprefix,
int inside_paren)
{
char *url_buf, *tmpurlbuf;
const char *t;
for (t = c;; t++) {
if (!badchar(*t) && !badentity(t))
continue;
if (t - c == matchlen)
break;
if (*t == ',' && *(t + 1) != ' ') {
continue;
}
if (t > start && *(t - 1) == '.')
t--;
if (t > start && *(t - 1) == ')' && inside_paren > 0)
t--;
url_buf = g_strndup(c, t - c);
tmpurlbuf = purple_unescape_html(url_buf);
g_string_append_printf(ret, "<A HREF=\"%s%s\">%s</A>",
urlprefix,
tmpurlbuf, url_buf);
g_free(tmpurlbuf);
g_free(url_buf);
return t;
}
return c;
}
char *
purple_markup_linkify(const char *text)
{
const char *c, *t, *q = NULL;
char *tmpurlbuf, *url_buf;
gunichar g;
gboolean inside_html = FALSE;
int inside_paren = 0;
GString *ret;
if (text == NULL)
return NULL;
ret = g_string_new("");
c = text;
while (*c) {
if(*c == '(' && !inside_html) {
inside_paren++;
ret = g_string_append_c(ret, *c);
c++;
}
if(inside_html) {
if(*c == '>') {
inside_html = FALSE;
} else if(!q && (*c == '\"' || *c == '\'')) {
q = c;
} else if(q) {
if(*c == *q)
q = NULL;
}
} else if(*c == '<') {
inside_html = TRUE;
if (!g_ascii_strncasecmp(c, "<A", 2)) {
while (1) {
if (!g_ascii_strncasecmp(c, "/A>", 3)) {
inside_html = FALSE;
break;
}
ret = g_string_append_c(ret, *c);
c++;
if (!(*c))
break;
}
}
} else if (!g_ascii_strncasecmp(c, "http://", 7)) {
c = process_link(ret, text, c, 7, "", inside_paren);
} else if (!g_ascii_strncasecmp(c, "https://", 8)) {
c = process_link(ret, text, c, 8, "", inside_paren);
} else if (!g_ascii_strncasecmp(c, "ftp://", 6)) {
c = process_link(ret, text, c, 6, "", inside_paren);
} else if (!g_ascii_strncasecmp(c, "sftp://", 7)) {
c = process_link(ret, text, c, 7, "", inside_paren);
} else if (!g_ascii_strncasecmp(c, "file://", 7)) {
c = process_link(ret, text, c, 7, "", inside_paren);
} else if (!g_ascii_strncasecmp(c, "www.", 4) && c[4] != '.' && (c == text || badchar(c[-1]) || badentity(c-1))) {
c = process_link(ret, text, c, 4, "http://", inside_paren);
} else if (!g_ascii_strncasecmp(c, "ftp.", 4) && c[4] != '.' && (c == text || badchar(c[-1]) || badentity(c-1))) {
c = process_link(ret, text, c, 4, "ftp://", inside_paren);
} else if (!g_ascii_strncasecmp(c, "xmpp:", 5) && (c == text || badchar(c[-1]) || badentity(c-1))) {
c = process_link(ret, text, c, 5, "", inside_paren);
} else if (!g_ascii_strncasecmp(c, "mailto:", 7)) {
t = c;
while (1) {
if (badchar(*t) || badentity(t)) {
char *d;
if (t - c == 7) {
break;
}
if (t > text && *(t - 1) == '.')
t--;
if ((d = strstr(c + 7, "?")) != NULL && d < t)
url_buf = g_strndup(c + 7, d - c - 7);
else
url_buf = g_strndup(c + 7, t - c - 7);
if (!purple_email_is_valid(url_buf)) {
g_free(url_buf);
break;
}
g_free(url_buf);
url_buf = g_strndup(c, t - c);
tmpurlbuf = purple_unescape_html(url_buf);
g_string_append_printf(ret, "<A HREF=\"%s\">%s</A>",
tmpurlbuf, url_buf);
g_free(url_buf);
g_free(tmpurlbuf);
c = t;
break;
}
t++;
}
} else if (c != text && (*c == '@')) {
int flag;
GString *gurl_buf = NULL;
const char illegal_chars[] = "!@#$%^&*()[]{}/|\\<>\":;\r\n \0";
if (strchr(illegal_chars,*(c - 1)) || strchr(illegal_chars, *(c + 1)))
flag = 0;
else {
flag = 1;
gurl_buf = g_string_new("");
}
t = c;
while (flag) {
/* iterate backwards grabbing the local part of an email address */
g = g_utf8_get_char(t);
if (badchar(*t) || (g >= 127) || (*t == '(') ||
((*t == ';') && ((t > (text+2) && (!g_ascii_strncasecmp(t - 3, "&lt;", 4) ||
!g_ascii_strncasecmp(t - 3, "&gt;", 4))) ||
(t > (text+4) && (!g_ascii_strncasecmp(t - 5, "&quot;", 6)))))) {
/* local part will already be part of ret, strip it out */
ret = g_string_truncate(ret, ret->len - (c - t));
ret = g_string_append_unichar(ret, g);
break;
} else {
g_string_prepend_unichar(gurl_buf, g);
t = g_utf8_find_prev_char(text, t);
if (t < text) {
ret = g_string_assign(ret, "");
break;
}
}
}
t = g_utf8_find_next_char(c, NULL);
while (flag) {
/* iterate forwards grabbing the domain part of an email address */
g = g_utf8_get_char(t);
if (badchar(*t) || (g >= 127) || (*t == ')') || badentity(t)) {
char *d;
url_buf = g_string_free(gurl_buf, FALSE);
gurl_buf = NULL;
/* strip off trailing periods */
if (*url_buf) {
for (d = url_buf + strlen(url_buf) - 1; *d == '.'; d--, t--)
*d = '\0';
}
tmpurlbuf = purple_unescape_html(url_buf);
if (purple_email_is_valid(tmpurlbuf)) {
g_string_append_printf(ret, "<A HREF=\"mailto:%s\">%s</A>",
tmpurlbuf, url_buf);
} else {
g_string_append(ret, url_buf);
}
g_free(url_buf);
g_free(tmpurlbuf);
c = t;
break;
} else {
g_string_append_unichar(gurl_buf, g);
t = g_utf8_find_next_char(t, NULL);
}
}
if (gurl_buf) {
g_string_free(gurl_buf, TRUE);
}
}
if(*c == ')' && !inside_html) {
inside_paren--;
ret = g_string_append_c(ret, *c);
c++;
}
if (*c == 0)
break;
ret = g_string_append_c(ret, *c);
c++;
}
return g_string_free(ret, FALSE);
}
char *purple_unescape_text(const char *in)
{
GString *ret;
const char *c = in;
if (in == NULL)
return NULL;
ret = g_string_new("");
while (*c) {
int len;
const char *ent;
if ((ent = purple_markup_unescape_entity(c, &len)) != NULL) {
g_string_append(ret, ent);
c += len;
} else {
g_string_append_c(ret, *c);
c++;
}
}
return g_string_free(ret, FALSE);
}
char *purple_unescape_html(const char *html)
{
GString *ret;
const char *c = html;
if (html == NULL)
return NULL;
ret = g_string_new("");
while (*c) {
int len;
const char *ent;
if ((ent = purple_markup_unescape_entity(c, &len)) != NULL) {
g_string_append(ret, ent);
c += len;
} else if (!strncmp(c, "<br>", 4)) {
g_string_append_c(ret, '\n');
c += 4;
} else {
g_string_append_c(ret, *c);
c++;
}
}
return g_string_free(ret, FALSE);
}
char *
purple_markup_slice(const char *str, guint x, guint y)
{
GString *ret;
GQueue *q;
guint z = 0;
gboolean appended = FALSE;
gunichar c;
char *tag;
g_return_val_if_fail(str != NULL, NULL);
g_return_val_if_fail(x <= y, NULL);
if (x == y)
return g_strdup("");
ret = g_string_new("");
q = g_queue_new();
while (*str && (z < y)) {
c = g_utf8_get_char(str);
if (c == '<') {
char *end = strchr(str, '>');
if (!end) {
g_string_free(ret, TRUE);
while ((tag = g_queue_pop_head(q)))
g_free(tag);
g_queue_free(q);
return NULL;
}
if (!g_ascii_strncasecmp(str, "<img ", 5)) {
z += strlen("[Image]");
} else if (!g_ascii_strncasecmp(str, "<br", 3)) {
z += 1;
} else if (!g_ascii_strncasecmp(str, "<hr>", 4)) {
z += strlen("\n---\n");
} else if (!g_ascii_strncasecmp(str, "</", 2)) {
/* pop stack */
char *tmp;
tmp = g_queue_pop_head(q);
g_free(tmp);
/* z += 0; */
} else {
/* push it unto the stack */
char *tmp;
tmp = g_strndup(str, end - str + 1);
g_queue_push_head(q, tmp);
/* z += 0; */
}
if (z >= x) {
g_string_append_len(ret, str, end - str + 1);
}
str = end;
} else if (c == '&') {
char *end = strchr(str, ';');
if (!end) {
g_string_free(ret, TRUE);
while ((tag = g_queue_pop_head(q)))
g_free(tag);
g_queue_free(q);
return NULL;
}
if (z >= x)
g_string_append_len(ret, str, end - str + 1);
z++;
str = end;
} else {
if (z == x && z > 0 && !appended) {
GList *l = q->tail;
while (l) {
tag = l->data;
g_string_append(ret, tag);
l = l->prev;
}
appended = TRUE;
}
if (z >= x)
g_string_append_unichar(ret, c);
z++;
}
str = g_utf8_next_char(str);
}
while ((tag = g_queue_pop_head(q))) {
char *name;
name = purple_markup_get_tag_name(tag);
g_string_append_printf(ret, "</%s>", name);
g_free(name);
g_free(tag);
}
g_queue_free(q);
return g_string_free(ret, FALSE);
}
char *
purple_markup_get_tag_name(const char *tag)
{
int i;
g_return_val_if_fail(tag != NULL, NULL);
g_return_val_if_fail(*tag == '<', NULL);
for (i = 1; tag[i]; i++)
if (tag[i] == '>' || tag[i] == ' ' || tag[i] == '/')
break;
return g_strndup(tag+1, i-1);
}
/**************************************************************************
* Path/Filename Functions
**************************************************************************/
const char *
purple_home_dir(void)
{
#ifndef _WIN32
return g_get_home_dir();
#else
return wpurple_home_dir();
#endif
}
/* Returns the argument passed to -c IFF it was present, or ~/.purple. */
const char *
purple_user_dir(void)
{
if (custom_user_dir != NULL)
return custom_user_dir;
else if (!user_dir)
user_dir = g_build_filename(purple_home_dir(), ".purple", NULL);
return user_dir;
}
static const gchar *
purple_xdg_dir(gchar **xdg_dir, const gchar *xdg_base_dir, const gchar *xdg_type)
{
if (!*xdg_dir) {
if (!custom_user_dir) {
*xdg_dir = g_build_filename(xdg_base_dir, "purple", NULL);
} else {
*xdg_dir = g_build_filename(custom_user_dir, xdg_type, NULL);
}
}
return *xdg_dir;
}
const gchar *
purple_cache_dir(void)
{
return purple_xdg_dir(&cache_dir, g_get_user_cache_dir(), "cache");
}
const gchar *
purple_config_dir(void)
{
return purple_xdg_dir(&config_dir, g_get_user_config_dir(), "config");
}
const gchar *
purple_data_dir(void)
{
return purple_xdg_dir(&data_dir, g_get_user_data_dir(), "data");
}
gboolean
purple_move_to_xdg_base_dir(const char *purple_xdg_dir, char *path)
{
gint mkdir_res;
gchar *xdg_path;
gboolean xdg_path_exists;
/* Create destination directory */
mkdir_res = g_mkdir_with_parents(purple_xdg_dir, S_IRWXU);
if (mkdir_res == -1) {
purple_debug_error("util", "Error creating xdg directory %s: %s; failed migration\n",
purple_xdg_dir, g_strerror(errno));
return FALSE;
}
xdg_path = g_build_filename(purple_xdg_dir, path, NULL);
xdg_path_exists = g_file_test(xdg_path, G_FILE_TEST_EXISTS);
if (!xdg_path_exists) {
gchar *old_path;
gboolean old_path_exists;
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
old_path = g_build_filename(purple_user_dir(), path, NULL);
G_GNUC_END_IGNORE_DEPRECATIONS
old_path_exists = g_file_test(old_path, G_FILE_TEST_EXISTS);
if (old_path_exists) {
int rename_res;
rename_res = g_rename(old_path, xdg_path);
if (rename_res == -1) {
purple_debug_error("util", "Error renaming %s to %s; failed migration\n",
old_path, xdg_path);
g_free(old_path);
g_free(xdg_path);
return FALSE;
}
}
g_free(old_path);
}
g_free(xdg_path);
return TRUE;
}
void purple_util_set_user_dir(const char *dir)
{
g_free(custom_user_dir);
if (dir != NULL && *dir)
custom_user_dir = g_strdup(dir);
else
custom_user_dir = NULL;
}
static gboolean
purple_util_write_data_to_file_common(const char *dir, const char *filename, const char *data, gssize size)
{
gchar *filename_full;
gboolean ret = FALSE;
g_return_val_if_fail(dir != NULL, FALSE);
purple_debug_misc("util", "Writing file %s to directory %s",
filename, dir);
/* Ensure the directory exists */
if (!g_file_test(dir, G_FILE_TEST_IS_DIR))
{
if (g_mkdir(dir, S_IRUSR | S_IWUSR | S_IXUSR) == -1)
{
purple_debug_error("util", "Error creating directory %s: %s\n",
dir, g_strerror(errno));
return FALSE;
}
}
filename_full = g_build_filename(dir, filename, NULL);
ret = purple_util_write_data_to_file_absolute(filename_full, data, size);
g_free(filename_full);
return ret;
}
gboolean
purple_util_write_data_to_file(const char *filename, const char *data, gssize size)
{
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
const char *user_dir = purple_user_dir();
G_GNUC_END_IGNORE_DEPRECATIONS
gboolean ret = purple_util_write_data_to_file_common(user_dir, filename, data, size);
return ret;
}
gboolean
purple_util_write_data_to_cache_file(const char *filename, const char *data, gssize size)
{
const char *cache_dir = purple_cache_dir();
gboolean ret = purple_util_write_data_to_file_common(cache_dir, filename, data, size);
return ret;
}
gboolean
purple_util_write_data_to_config_file(const char *filename, const char *data, gssize size)
{
const char *config_dir = purple_config_dir();
gboolean ret = purple_util_write_data_to_file_common(config_dir, filename, data, size);
return ret;
}
gboolean
purple_util_write_data_to_data_file(const char *filename, const char *data, gssize size)
{
const char *data_dir = purple_data_dir();
gboolean ret = purple_util_write_data_to_file_common(data_dir, filename, data, size);
return ret;
}
gboolean
purple_util_write_data_to_file_absolute(const char *filename_full, const char *data, gssize size)
{
GFile *file;
GError *err = NULL;
g_return_val_if_fail(size >= -1, FALSE);
if (size == -1) {
size = strlen(data);
}
file = g_file_new_for_path(filename_full);
if (!g_file_replace_contents(file, data, size, NULL, FALSE,
G_FILE_CREATE_PRIVATE, NULL, NULL, &err)) {
purple_debug_error("util", "Error writing file: %s: %s\n",
filename_full, err->message);
g_clear_error(&err);
g_object_unref(file);
return FALSE;
}
g_object_unref(file);
return TRUE;
}
PurpleXmlNode *
purple_util_read_xml_from_file(const char *filename, const char *description)
{
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
return purple_xmlnode_from_file(purple_user_dir(), filename, description, "util");
G_GNUC_END_IGNORE_DEPRECATIONS
}
PurpleXmlNode *
purple_util_read_xml_from_cache_file(const char *filename, const char *description)
{
return purple_xmlnode_from_file(purple_cache_dir(), filename, description, "util");
}
PurpleXmlNode *
purple_util_read_xml_from_config_file(const char *filename, const char *description)
{
return purple_xmlnode_from_file(purple_config_dir(), filename, description, "util");
}
PurpleXmlNode *
purple_util_read_xml_from_data_file(const char *filename, const char *description)
{
return purple_xmlnode_from_file(purple_data_dir(), filename, description, "util");
}
/*
* Like mkstemp() but returns a file pointer, uses a pre-set template,
* uses the semantics of tempnam() for the directory to use and allocates
* the space for the filepath.
*
* Caller is responsible for closing the file and removing it when done,
* as well as freeing the space pointed-to by "path" with g_free().
*
* Returns NULL on failure and cleans up after itself if so.
*/
static const char *purple_mkstemp_templ = {"purpleXXXXXX"};
FILE *
purple_mkstemp(char **fpath, gboolean binary)
{
const gchar *tmpdir;
int fd;
FILE *fp = NULL;
g_return_val_if_fail(fpath != NULL, NULL);
if((tmpdir = (gchar*)g_get_tmp_dir()) != NULL) {
if((*fpath = g_strdup_printf("%s" G_DIR_SEPARATOR_S "%s", tmpdir, purple_mkstemp_templ)) != NULL) {
fd = g_mkstemp(*fpath);
if(fd == -1) {
purple_debug(PURPLE_DEBUG_ERROR, "purple_mkstemp",
"Couldn't make \"%s\", error: %d\n",
*fpath, errno);
} else {
if((fp = fdopen(fd, "r+")) == NULL) {
close(fd);
purple_debug(PURPLE_DEBUG_ERROR, "purple_mkstemp",
"Couldn't fdopen(), error: %d\n", errno);
}
}
if(!fp) {
g_free(*fpath);
*fpath = NULL;
}
}
} else {
purple_debug(PURPLE_DEBUG_ERROR, "purple_mkstemp",
"g_get_tmp_dir() failed!\n");
}
return fp;
}
gboolean
purple_program_is_valid(const char *program)
{
GError *error = NULL;
char **argv;
gchar *progname;
gboolean is_valid = FALSE;
g_return_val_if_fail(program != NULL, FALSE);
g_return_val_if_fail(*program != '\0', FALSE);
if (!g_shell_parse_argv(program, NULL, &argv, &error)) {
purple_debug(PURPLE_DEBUG_ERROR, "program_is_valid",
"Could not parse program '%s': %s\n",
program, error->message);
g_error_free(error);
return FALSE;
}
if (argv == NULL) {
return FALSE;
}
progname = g_find_program_in_path(argv[0]);
is_valid = (progname != NULL);
if(purple_debug_is_verbose())
purple_debug_info("program_is_valid", "Tested program %s. %s.\n", program,
is_valid ? "Valid" : "Invalid");
g_strfreev(argv);
g_free(progname);
return is_valid;
}
gboolean
purple_running_gnome(void)
{
#ifndef _WIN32
gchar *tmp = g_find_program_in_path("gvfs-open");
if (tmp == NULL) {
tmp = g_find_program_in_path("gnome-open");
if (tmp == NULL) {
return FALSE;
}
}
g_free(tmp);
tmp = (gchar *)g_getenv("GNOME_DESKTOP_SESSION_ID");
return ((tmp != NULL) && (*tmp != '\0'));
#else
return FALSE;
#endif
}
gboolean
purple_running_kde(void)
{
#ifndef _WIN32
gchar *tmp = g_find_program_in_path("kfmclient");
const char *session;
if (tmp == NULL)
return FALSE;
g_free(tmp);
session = g_getenv("KDE_FULL_SESSION");
if (purple_strequal(session, "true"))
return TRUE;
/* If you run Purple from Konsole under !KDE, this will provide a
* a false positive. Since we do the GNOME checks first, this is
* only a problem if you're running something !(KDE || GNOME) and
* you run Purple from Konsole. This really shouldn't be a problem. */
return ((g_getenv("KDEDIR") != NULL) || g_getenv("KDEDIRS") != NULL);
#else
return FALSE;
#endif
}
gboolean
purple_running_osx(void)
{
#if defined(__APPLE__)
return TRUE;
#else
return FALSE;
#endif
}
typedef union purple_sockaddr {
struct sockaddr sa;
struct sockaddr_in sa_in;
#if defined(AF_INET6)
struct sockaddr_in6 sa_in6;
#endif
struct sockaddr_storage sa_stor;
} PurpleSockaddr;
char *
purple_fd_get_ip(int fd)
{
PurpleSockaddr addr;
socklen_t namelen = sizeof(addr);
int family;
g_return_val_if_fail(fd != 0, NULL);
if (getsockname(fd, &(addr.sa), &namelen))
return NULL;
family = addr.sa.sa_family;
if (family == AF_INET) {
return g_strdup(inet_ntoa(addr.sa_in.sin_addr));
}
#if defined(AF_INET6) && defined(HAVE_INET_NTOP)
else if (family == AF_INET6) {
char host[INET6_ADDRSTRLEN];
const char *tmp;
tmp = inet_ntop(family, &(addr.sa_in6.sin6_addr), host, sizeof(host));
return g_strdup(tmp);
}
#endif
return NULL;
}
int
purple_socket_get_family(int fd)
{
PurpleSockaddr addr;
socklen_t len = sizeof(addr);
g_return_val_if_fail(fd >= 0, -1);
if (getsockname(fd, &(addr.sa), &len))
return -1;
return addr.sa.sa_family;
}
gboolean
purple_socket_speaks_ipv4(int fd)
{
int family;
g_return_val_if_fail(fd >= 0, FALSE);
family = purple_socket_get_family(fd);
switch (family) {
case AF_INET:
return TRUE;
#if defined(IPV6_V6ONLY)
case AF_INET6:
{
int val = 0;
socklen_t len = sizeof(val);
if (getsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, &val, &len) != 0)
return FALSE;
return !val;
}
#endif
default:
return FALSE;
}
}
/**************************************************************************
* String Functions
**************************************************************************/
const char *
purple_normalize(PurpleAccount *account, const char *str)
{
const char *ret = NULL;
static char buf[BUF_LEN];
/* This should prevent a crash if purple_normalize gets called with NULL str, see #10115 */
g_return_val_if_fail(str != NULL, "");
if (account != NULL)
{
PurpleProtocol *protocol =
purple_protocols_find(purple_account_get_protocol_id(account));
if (protocol != NULL)
ret = purple_protocol_client_iface_normalize(protocol, account, str);
}
if (ret == NULL)
{
char *tmp;
tmp = g_utf8_normalize(str, -1, G_NORMALIZE_DEFAULT);
g_snprintf(buf, sizeof(buf), "%s", tmp);
g_free(tmp);
ret = buf;
}
return ret;
}
/*
* You probably don't want to call this directly, it is
* mainly for use as a protocol callback function. See the
* comments in util.h.
*/
const char *
purple_normalize_nocase(const PurpleAccount *account, const char *str)
{
static char buf[BUF_LEN];
char *tmp1, *tmp2;
g_return_val_if_fail(str != NULL, NULL);
tmp1 = g_utf8_strdown(str, -1);
tmp2 = g_utf8_normalize(tmp1, -1, G_NORMALIZE_DEFAULT);
g_snprintf(buf, sizeof(buf), "%s", tmp2 ? tmp2 : "");
g_free(tmp2);
g_free(tmp1);
return buf;
}
gboolean
purple_validate(const PurpleProtocol *protocol, const char *str)
{
const char *normalized;
g_return_val_if_fail(protocol != NULL, FALSE);
g_return_val_if_fail(str != NULL, FALSE);
if (str[0] == '\0')
return FALSE;
if (!PURPLE_PROTOCOL_IMPLEMENTS(protocol, CLIENT, normalize))
return TRUE;
normalized = purple_protocol_client_iface_normalize(PURPLE_PROTOCOL(protocol),
NULL, str);
return (NULL != normalized);
}
gchar *
purple_strdup_withhtml(const gchar *src)
{
gulong destsize, i, j;
gchar *dest;
g_return_val_if_fail(src != NULL, NULL);
/* New length is (length of src) + (number of \n's * 3) - (number of \r's) + 1 */
destsize = 1;
for (i = 0; src[i] != '\0'; i++)
{
if (src[i] == '\n')
destsize += 4;
else if (src[i] != '\r')
destsize++;
}
dest = g_malloc(destsize);
/* Copy stuff, ignoring \r's, because they are dumb */
for (i = 0, j = 0; src[i] != '\0'; i++) {
if (src[i] == '\n') {
strcpy(&dest[j], "<BR>");
j += 4;
} else if (src[i] != '\r')
dest[j++] = src[i];
}
dest[destsize-1] = '\0';
return dest;
}
gboolean
purple_str_has_caseprefix(const gchar *s, const gchar *p)
{
g_return_val_if_fail(s, FALSE);
g_return_val_if_fail(p, FALSE);
return (g_ascii_strncasecmp(s, p, strlen(p)) == 0);
}
char *
purple_str_add_cr(const char *text)
{
char *ret = NULL;
int count = 0, j;
guint i;
g_return_val_if_fail(text != NULL, NULL);
if (text[0] == '\n')
count++;
for (i = 1; i < strlen(text); i++)
if (text[i] == '\n' && text[i - 1] != '\r')
count++;
if (count == 0)
return g_strdup(text);
ret = g_malloc0(strlen(text) + count + 1);
i = 0; j = 0;
if (text[i] == '\n')
ret[j++] = '\r';
ret[j++] = text[i++];
for (; i < strlen(text); i++) {
if (text[i] == '\n' && text[i - 1] != '\r')
ret[j++] = '\r';
ret[j++] = text[i];
}
return ret;
}
void
purple_str_strip_char(char *text, char thechar)
{
int i, j;
g_return_if_fail(text != NULL);
for (i = 0, j = 0; text[i]; i++)
if (text[i] != thechar)
text[j++] = text[i];
text[j] = '\0';
}
void
purple_util_chrreplace(char *string, char delimiter,
char replacement)
{
int i = 0;
g_return_if_fail(string != NULL);
while (string[i] != '\0')
{
if (string[i] == delimiter)
string[i] = replacement;
i++;
}
}
gchar *
purple_strreplace(const char *string, const char *delimiter,
const char *replacement)
{
gchar **split;
gchar *ret;
g_return_val_if_fail(string != NULL, NULL);
g_return_val_if_fail(delimiter != NULL, NULL);
g_return_val_if_fail(replacement != NULL, NULL);
split = g_strsplit(string, delimiter, 0);
ret = g_strjoinv(replacement, split);
g_strfreev(split);
return ret;
}
gchar *
purple_strcasereplace(const char *string, const char *delimiter,
const char *replacement)
{
gchar *ret;
int length_del, length_rep, i, j;
g_return_val_if_fail(string != NULL, NULL);
g_return_val_if_fail(delimiter != NULL, NULL);
g_return_val_if_fail(replacement != NULL, NULL);
length_del = strlen(delimiter);
length_rep = strlen(replacement);
/* Count how many times the delimiter appears */
i = 0; /* position in the source string */
j = 0; /* number of occurrences of "delimiter" */
while (string[i] != '\0') {
if (!g_ascii_strncasecmp(&string[i], delimiter, length_del)) {
i += length_del;
j += length_rep;
} else {
i++;
j++;
}
}
ret = g_malloc(j+1);
i = 0; /* position in the source string */
j = 0; /* position in the destination string */
while (string[i] != '\0') {
if (!g_ascii_strncasecmp(&string[i], delimiter, length_del)) {
strncpy(&ret[j], replacement, length_rep);
i += length_del;
j += length_rep;
} else {
ret[j] = string[i];
i++;
j++;
}
}
ret[j] = '\0';
return ret;
}
/** TODO: Expose this when we can add API */
static const char *
purple_strcasestr_len(const char *haystack, gssize hlen, const char *needle, gssize nlen)
{
const char *tmp, *ret;
g_return_val_if_fail(haystack != NULL, NULL);
g_return_val_if_fail(needle != NULL, NULL);
if (hlen == -1)
hlen = strlen(haystack);
if (nlen == -1)
nlen = strlen(needle);
tmp = haystack,
ret = NULL;
g_return_val_if_fail(hlen > 0, NULL);
g_return_val_if_fail(nlen > 0, NULL);
while (*tmp && !ret && (hlen - (tmp - haystack)) >= nlen) {
if (!g_ascii_strncasecmp(needle, tmp, nlen))
ret = tmp;
else
tmp++;
}
return ret;
}
const char *
purple_strcasestr(const char *haystack, const char *needle)
{
return purple_strcasestr_len(haystack, -1, needle, -1);
}
char *
purple_str_seconds_to_string(guint secs)
{
char *ret = NULL;
guint days, hrs, mins;
if (secs < 60)
{
return g_strdup_printf(dngettext(PACKAGE, "%d second", "%d seconds", secs), secs);
}
days = secs / (60 * 60 * 24);
secs = secs % (60 * 60 * 24);
hrs = secs / (60 * 60);
secs = secs % (60 * 60);
mins = secs / 60;
/* secs = secs % 60; */
if (days > 0)
{
ret = g_strdup_printf(dngettext(PACKAGE, "%d day", "%d days", days), days);
}
if (hrs > 0)
{
if (ret != NULL)
{
char *tmp = g_strdup_printf(
dngettext(PACKAGE, "%s, %d hour", "%s, %d hours", hrs),
ret, hrs);
g_free(ret);
ret = tmp;
}
else
ret = g_strdup_printf(dngettext(PACKAGE, "%d hour", "%d hours", hrs), hrs);
}
if (mins > 0)
{
if (ret != NULL)
{
char *tmp = g_strdup_printf(
dngettext(PACKAGE, "%s, %d minute", "%s, %d minutes", mins),
ret, mins);
g_free(ret);
ret = tmp;
}
else
ret = g_strdup_printf(dngettext(PACKAGE, "%d minute", "%d minutes", mins), mins);
}
return ret;
}
size_t
purple_utf16_size(const gunichar2 *str)
{
/* UTF16 cannot contain two consequent NUL bytes starting at even
* position - see Unicode standards Chapter 3.9 D91 or RFC2781
* Chapter 2.
*/
size_t i = 0;
g_return_val_if_fail(str != NULL, 0);
while (str[i++]);
return i * sizeof(gunichar2);
}
void
purple_str_wipe(gchar *str)
{
if (str == NULL)
return;
memset(str, 0, strlen(str));
g_free(str);
}
void
purple_utf16_wipe(gunichar2 *str)
{
if (str == NULL)
return;
memset(str, 0, purple_utf16_size(str));
g_free(str);
}
/**************************************************************************
* URI/URL Functions
**************************************************************************/
void purple_got_protocol_handler_uri(const char *uri)
{
char proto[11];
char delimiter;
const char *tmp, *param_string;
char *cmd;
GHashTable *params = NULL;
gsize len;
if (!(tmp = strchr(uri, ':')) || tmp == uri) {
purple_debug_error("util", "Malformed protocol handler message - missing protocol.\n");
return;
}
len = MIN(sizeof(proto) - 1, (gsize)(tmp - uri));
strncpy(proto, uri, len);
proto[len] = '\0';
tmp++;
if (purple_strequal(proto, "xmpp"))
delimiter = ';';
else
delimiter = '&';
purple_debug_info("util", "Processing message '%s' for protocol '%s' using delimiter '%c'.\n", tmp, proto, delimiter);
if ((param_string = strchr(tmp, '?'))) {
const char *keyend = NULL, *pairstart;
char *key, *value = NULL;
cmd = g_strndup(tmp, (param_string - tmp));
param_string++;
params = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
pairstart = tmp = param_string;
while (*tmp || *pairstart) {
if (*tmp == delimiter || !(*tmp)) {
/* If there is no explicit value */
if (keyend == NULL) {
keyend = tmp;
}
/* without these brackets, clang won't
* recognize tmp as a non-NULL
*/
if (keyend && keyend != pairstart) {
char *p;
key = g_strndup(pairstart, (keyend - pairstart));
/* If there is an explicit value */
if (keyend != tmp && keyend != (tmp - 1))
value = g_strndup(keyend + 1, (tmp - keyend - 1));
for (p = key; *p; ++p)
*p = g_ascii_tolower(*p);
g_hash_table_insert(params, key, value);
}
keyend = value = NULL;
pairstart = (*tmp) ? tmp + 1 : tmp;
} else if (*tmp == '=')
keyend = tmp;
if (*tmp)
tmp++;
}
} else
cmd = g_strdup(tmp);
purple_signal_emit_return_1(purple_get_core(), "uri-handler", proto, cmd, params);
g_free(cmd);
if (params)
g_hash_table_destroy(params);
}
const char *
purple_url_decode(const char *str)
{
static char buf[BUF_LEN];
guint i, j = 0;
char *bum;
char hex[3];
g_return_val_if_fail(str != NULL, NULL);
/*
* XXX - This check could be removed and buf could be made
* dynamically allocated, but this is easier.
*/
if (strlen(str) >= BUF_LEN)
return NULL;
for (i = 0; i < strlen(str); i++) {
if (str[i] != '%')
buf[j++] = str[i];
else {
strncpy(hex, str + ++i, 2);
hex[2] = '\0';
/* i is pointing to the start of the number */
i++;
/*
* Now it's at the end and at the start of the for loop
* will be at the next character.
*/
buf[j++] = strtol(hex, NULL, 16);
}
}
buf[j] = '\0';
if (!g_utf8_validate(buf, -1, (const char **)&bum))
*bum = '\0';
return buf;
}
const char *
purple_url_encode(const char *str)
{
const char *iter;
static char buf[BUF_LEN];
char utf_char[6];
guint i, j = 0;
g_return_val_if_fail(str != NULL, NULL);
g_return_val_if_fail(g_utf8_validate(str, -1, NULL), NULL);
iter = str;
for (; *iter && j < (BUF_LEN - 1) ; iter = g_utf8_next_char(iter)) {
gunichar c = g_utf8_get_char(iter);
/* If the character is an ASCII character and is alphanumeric
* no need to escape */
if (c < 128 && (isalnum(c) || c == '-' || c == '.' || c == '_' || c == '~')) {
buf[j++] = c;
} else {
int bytes = g_unichar_to_utf8(c, utf_char);
for (i = 0; (int)i < bytes; i++) {
if (j > (BUF_LEN - 4))
break;
if (i >= sizeof(utf_char)) {
g_warn_if_reached();
break;
}
sprintf(buf + j, "%%%02X", utf_char[i] & 0xff);
j += 3;
}
}
}
buf[j] = '\0';
return buf;
}
/* Originally lifted from
* http://www.oreillynet.com/pub/a/network/excerpt/spcookbook_chap03/index3.html
* ... and slightly modified to be a bit more rfc822 compliant
* ... and modified a bit more to make domain checking rfc1035 compliant
* with the exception permitted in rfc1101 for domains to start with digit
* but not completely checking to avoid conflicts with IP addresses
*/
gboolean
purple_email_is_valid(const char *address)
{
const char *c, *domain;
static char *rfc822_specials = "()<>@,;:\\\"[]";
g_return_val_if_fail(address != NULL, FALSE);
if (*address == '.') return FALSE;
/* first we validate the name portion (name@domain) (rfc822)*/
for (c = address; *c; c++) {
if (*c == '\"' && (c == address || *(c - 1) == '.' || *(c - 1) == '\"')) {
while (*++c) {
if (*c == '\\') {
if (*c++ && *c < 127 && *c > 0 && *c != '\n' && *c != '\r') continue;
else return FALSE;
}
if (*c == '\"') break;
if (*c < ' ' || *c >= 127) return FALSE;
}
if (!*c++) return FALSE;
if (*c == '@') break;
if (*c != '.') return FALSE;
continue;
}
if (*c == '@') break;
if (*c <= ' ' || *c >= 127) return FALSE;
if (strchr(rfc822_specials, *c)) return FALSE;
}
/* It's obviously not an email address if we didn't find an '@' above */
if (*c == '\0') return FALSE;
/* strictly we should return false if (*(c - 1) == '.') too, but I think
* we should permit user.@domain type addresses - they do work :) */
if (c == address) return FALSE;
/* next we validate the domain portion (name@domain) (rfc1035 & rfc1011) */
if (!*(domain = ++c)) return FALSE;
do {
if (*c == '.' && (c == domain || *(c - 1) == '.' || *(c - 1) == '-'))
return FALSE;
if (*c == '-' && (*(c - 1) == '.' || *(c - 1) == '@')) return FALSE;
if ((*c < '0' && *c != '-' && *c != '.') || (*c > '9' && *c < 'A') ||
(*c > 'Z' && *c < 'a') || (*c > 'z')) return FALSE;
} while (*++c);
if (*(c - 1) == '-') return FALSE;
return ((c - domain) > 3 ? TRUE : FALSE);
}
/* Stolen from gnome_uri_list_extract_uris */
GList *
purple_uri_list_extract_uris(const gchar *uri_list)
{
const gchar *p, *q;
gchar *retval;
GList *result = NULL;
g_return_val_if_fail (uri_list != NULL, NULL);
p = uri_list;
/* We don't actually try to validate the URI according to RFC
* 2396, or even check for allowed characters - we just ignore
* comments and trim whitespace off the ends. We also
* allow LF delimination as well as the specified CRLF.
*/
while (p) {
if (*p != '#') {
while (isspace(*p))
p++;
q = p;
while (*q && (*q != '\n') && (*q != '\r'))
q++;
if (q > p) {
q--;
while (q > p && isspace(*q))
q--;
retval = (gchar*)g_malloc (q - p + 2);
strncpy (retval, p, q - p + 1);
retval[q - p + 1] = '\0';
result = g_list_prepend (result, retval);
}
}
p = strchr (p, '\n');
if (p)
p++;
}
return g_list_reverse (result);
}
/* Stolen from gnome_uri_list_extract_filenames */
GList *
purple_uri_list_extract_filenames(const gchar *uri_list)
{
GList *tmp_list, *node, *result;
g_return_val_if_fail (uri_list != NULL, NULL);
result = purple_uri_list_extract_uris(uri_list);
tmp_list = result;
while (tmp_list) {
gchar *s = (gchar*)tmp_list->data;
node = tmp_list;
tmp_list = tmp_list->next;
if (!strncmp (s, "file:", 5)) {
node->data = g_filename_from_uri (s, NULL, NULL);
/* not sure if this fallback is useful at all */
if (!node->data) node->data = g_strdup (s+5);
} else {
result = g_list_delete_link(result, node);
}
g_free (s);
}
return result;
}
char *
purple_uri_escape_for_open(const char *unescaped)
{
/* Replace some special characters like $ with their percent-encoded value.
* This shouldn't be necessary because we shell-escape the entire arg before
* exec'ing the browser, however, we had a report that a URL containing
* $(xterm) was causing xterm to start on his system. This is obviously a
* bug on his system, but it's pretty easy for us to protect against it. */
return g_uri_escape_string(unescaped, "[]:;/%#,+?=&@", FALSE);
}
/**************************************************************************
* UTF8 String Functions
**************************************************************************/
gchar *
purple_utf8_try_convert(const char *str)
{
gsize converted;
gchar *utf8;
g_return_val_if_fail(str != NULL, NULL);
if (g_utf8_validate(str, -1, NULL)) {
return g_strdup(str);
}
utf8 = g_locale_to_utf8(str, -1, &converted, NULL, NULL);
if (utf8 != NULL)
return utf8;
utf8 = g_convert(str, -1, "UTF-8", "ISO-8859-15", &converted, NULL, NULL);
if ((utf8 != NULL) && (converted == strlen(str)))
return utf8;
g_free(utf8);
return NULL;
}
#define utf8_first(x) ((x & 0x80) == 0 || (x & 0xe0) == 0xc0 \
|| (x & 0xf0) == 0xe0 || (x & 0xf8) == 0xf0)
gchar *
purple_utf8_salvage(const char *str)
{
GString *workstr;
const char *end;
g_return_val_if_fail(str != NULL, NULL);
workstr = g_string_sized_new(strlen(str));
do {
(void)g_utf8_validate(str, -1, &end);
workstr = g_string_append_len(workstr, str, end - str);
str = end;
if (*str == '\0')
break;
do {
workstr = g_string_append_c(workstr, '?');
str++;
} while (!utf8_first(*str));
} while (*str != '\0');
return g_string_free(workstr, FALSE);
}
gchar *
purple_utf8_strip_unprintables(const gchar *str)
{
gchar *workstr, *iter;
const gchar *bad;
if (str == NULL)
/* Act like g_strdup */
return NULL;
if (!g_utf8_validate(str, -1, &bad)) {
purple_debug_error("util", "purple_utf8_strip_unprintables(%s) failed; "
"first bad character was %02x (%c)\n",
str, *bad, *bad);
g_return_val_if_reached(NULL);
}
workstr = iter = g_new(gchar, strlen(str) + 1);
while (*str) {
gunichar ch = g_utf8_get_char(str);
gchar *next = g_utf8_next_char(str);
/*
* Char ::= #x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD] |
* [#x10000-#x10FFFF]
*/
if ((ch == '\t' || ch == '\n' || ch == '\r') ||
(ch >= 0x20 && ch <= 0xD7FF) ||
(ch >= 0xE000 && ch <= 0xFFFD) ||
(ch >= 0x10000 && ch <= 0x10FFFF)) {
memcpy(iter, str, next - str);
iter += (next - str);
}
str = next;
}
/* nul-terminate the new string */
*iter = '\0';
return workstr;
}
/*
* This function is copied from g_strerror() but changed to use
* gai_strerror().
*/
const gchar *
purple_gai_strerror(gint errnum)
{
static GPrivate msg_private = G_PRIVATE_INIT(g_free);
char *msg;
int saved_errno = errno;
const char *msg_locale;
msg_locale = gai_strerror(errnum);
if (g_get_charset(NULL))
{
/* This string is already UTF-8--great! */
errno = saved_errno;
return msg_locale;
}
else
{
gchar *msg_utf8 = g_locale_to_utf8(msg_locale, -1, NULL, NULL, NULL);
if (msg_utf8)
{
/* Stick in the quark table so that we can return a static result */
GQuark msg_quark = g_quark_from_string(msg_utf8);
g_free(msg_utf8);
msg_utf8 = (gchar *)g_quark_to_string(msg_quark);
errno = saved_errno;
return msg_utf8;
}
}
msg = g_private_get(&msg_private);
if (!msg)
{
msg = g_new(gchar, 64);
g_private_set(&msg_private, msg);
}
sprintf(msg, "unknown error (%d)", errnum);
errno = saved_errno;
return msg;
}
char *
purple_utf8_ncr_encode(const char *str)
{
GString *out;
g_return_val_if_fail(str != NULL, NULL);
g_return_val_if_fail(g_utf8_validate(str, -1, NULL), NULL);
out = g_string_new("");
for(; *str; str = g_utf8_next_char(str)) {
gunichar wc = g_utf8_get_char(str);
/* super simple check. hopefully not too wrong. */
if(wc >= 0x80) {
g_string_append_printf(out, "&#%u;", (guint32) wc);
} else {
g_string_append_unichar(out, wc);
}
}
return g_string_free(out, FALSE);
}
char *
purple_utf8_ncr_decode(const char *str)
{
GString *out;
char *buf, *b;
g_return_val_if_fail(str != NULL, NULL);
g_return_val_if_fail(g_utf8_validate(str, -1, NULL), NULL);
buf = (char *) str;
out = g_string_new("");
while( (b = strstr(buf, "&#")) ) {
gunichar wc;
int base = 0;
/* append everything leading up to the &# */
g_string_append_len(out, buf, b-buf);
b += 2; /* skip past the &# */
/* strtoul will treat 0x prefix as hex, but not just x */
if(*b == 'x' || *b == 'X') {
base = 16;
b++;
}
/* advances buf to the end of the ncr segment */
wc = (gunichar) strtoul(b, &buf, base);
/* this mimics the previous impl of ncr_decode */
if(*buf == ';') {
g_string_append_unichar(out, wc);
buf++;
}
}
/* append whatever's left */
g_string_append(out, buf);
return g_string_free(out, FALSE);
}
int
purple_utf8_strcasecmp(const char *a, const char *b)
{
char *a_norm = NULL;
char *b_norm = NULL;
int ret = -1;
if(!a && b)
return -1;
else if(!b && a)
return 1;
else if(!a && !b)
return 0;
if(!g_utf8_validate(a, -1, NULL) || !g_utf8_validate(b, -1, NULL))
{
purple_debug_error("purple_utf8_strcasecmp",
"One or both parameters are invalid UTF8\n");
return ret;
}
a_norm = g_utf8_casefold(a, -1);
b_norm = g_utf8_casefold(b, -1);
ret = g_utf8_collate(a_norm, b_norm);
g_free(a_norm);
g_free(b_norm);
return ret;
}
/* previously conversation::find_nick() */
gboolean
purple_utf8_has_word(const char *haystack, const char *needle)
{
char *hay, *pin, *p;
const char *start, *prev_char;
gunichar before, after;
int n;
gboolean ret = FALSE;
start = hay = g_utf8_strdown(haystack, -1);
pin = g_utf8_strdown(needle, -1);
n = strlen(pin);
while ((p = strstr(start, pin)) != NULL) {
prev_char = g_utf8_find_prev_char(hay, p);
before = -2;
if (prev_char) {
before = g_utf8_get_char(prev_char);
}
after = g_utf8_get_char_validated(p + n, - 1);
if ((p == hay ||
/* The character before is a reasonable guess for a word boundary
("!g_unichar_isalnum()" is not a valid way to determine word
boundaries, but it is the only reasonable thing to do here),
and isn't the '&' from a "&amp;" or some such entity*/
(before != (gunichar)-2 && !g_unichar_isalnum(before) && *(p - 1) != '&'))
&& after != (gunichar)-2 && !g_unichar_isalnum(after)) {
ret = TRUE;
break;
}
start = p + 1;
}
g_free(pin);
g_free(hay);
return ret;
}
gboolean purple_message_meify(char *message, gssize len)
{
char *c;
gboolean inside_html = FALSE;
g_return_val_if_fail(message != NULL, FALSE);
if(len == -1)
len = strlen(message);
for (c = message; *c; c++, len--) {
if(inside_html) {
if(*c == '>')
inside_html = FALSE;
} else {
if(*c == '<')
inside_html = TRUE;
else
break;
}
}
if(*c && !g_ascii_strncasecmp(c, "/me ", 4)) {
memmove(c, c+4, len-3);
return TRUE;
}
return FALSE;
}
char *purple_text_strip_mnemonic(const char *in)
{
char *out;
char *a;
char *a0;
const char *b;
g_return_val_if_fail(in != NULL, NULL);
out = g_malloc(strlen(in)+1);
a = out;
b = in;
a0 = a; /* The last non-space char seen so far, or the first char */
while(*b) {
if(*b == '_') {
if(a > out && b > in && *(b-1) == '(' && *(b+1) && !(*(b+1) & 0x80) && *(b+2) == ')') {
/* Detected CJK style shortcut (Bug 875311) */
a = a0; /* undo the left parenthesis */
b += 3; /* and skip the whole mess */
} else if(*(b+1) == '_') {
*(a++) = '_';
b += 2;
a0 = a;
} else {
b++;
}
/* We don't want to corrupt the middle of UTF-8 characters */
} else if (!(*b & 0x80)) { /* other 1-byte char */
if (*b != ' ')
a0 = a;
*(a++) = *(b++);
} else {
/* Multibyte utf8 char, don't look for _ inside these */
int n = 0;
int i;
if ((*b & 0xe0) == 0xc0) {
n = 2;
} else if ((*b & 0xf0) == 0xe0) {
n = 3;
} else if ((*b & 0xf8) == 0xf0) {
n = 4;
} else if ((*b & 0xfc) == 0xf8) {
n = 5;
} else if ((*b & 0xfe) == 0xfc) {
n = 6;
} else { /* Illegal utf8 */
n = 1;
}
a0 = a; /* unless we want to delete CJK spaces too */
for (i = 0; i < n && *b; i += 1) {
*(a++) = *(b++);
}
}
}
*a = '\0';
return out;
}
const char* purple_unescape_filename(const char *escaped) {
return purple_url_decode(escaped);
}
/* this is almost identical to purple_url_encode (hence purple_url_decode
* being used above), but we want to keep certain characters unescaped
* for compat reasons */
const char *
purple_escape_filename(const char *str)
{
const char *iter;
static char buf[BUF_LEN];
char utf_char[6];
guint i, j = 0;
g_return_val_if_fail(str != NULL, NULL);
g_return_val_if_fail(g_utf8_validate(str, -1, NULL), NULL);
iter = str;
for (; *iter && j < (BUF_LEN - 1) ; iter = g_utf8_next_char(iter)) {
gunichar c = g_utf8_get_char(iter);
/* If the character is an ASCII character and is alphanumeric,
* or one of the specified values, no need to escape */
if (c < 128 && (g_ascii_isalnum(c) || c == '@' || c == '-' ||
c == '_' || c == '.' || c == '#')) {
buf[j++] = c;
} else {
int bytes = g_unichar_to_utf8(c, utf_char);
for (i = 0; (int)i < bytes; i++) {
if (j > (BUF_LEN - 4))
break;
if (i >= sizeof(utf_char)) {
g_warn_if_reached();
break;
}
sprintf(buf + j, "%%%02x", utf_char[i] & 0xff);
j += 3;
}
}
}
#ifdef _WIN32
/* File/Directory names in windows cannot end in periods/spaces.
* http://msdn.microsoft.com/en-us/library/aa365247%28VS.85%29.aspx
*/
while (j > 0 && (buf[j - 1] == '.' || buf[j - 1] == ' '))
j--;
#endif
buf[j] = '\0';
return buf;
}
void purple_restore_default_signal_handlers(void)
{
#ifndef _WIN32
signal(SIGHUP, SIG_DFL); /* 1: terminal line hangup */
signal(SIGINT, SIG_DFL); /* 2: interrupt program */
signal(SIGQUIT, SIG_DFL); /* 3: quit program */
signal(SIGILL, SIG_DFL); /* 4: illegal instruction (not reset when caught) */
signal(SIGTRAP, SIG_DFL); /* 5: trace trap (not reset when caught) */
signal(SIGABRT, SIG_DFL); /* 6: abort program */
#ifdef SIGPOLL
signal(SIGPOLL, SIG_DFL); /* 7: pollable event (POSIX) */
#endif /* SIGPOLL */
#ifdef SIGEMT
signal(SIGEMT, SIG_DFL); /* 7: EMT instruction (Non-POSIX) */
#endif /* SIGEMT */
signal(SIGFPE, SIG_DFL); /* 8: floating point exception */
signal(SIGBUS, SIG_DFL); /* 10: bus error */
signal(SIGSEGV, SIG_DFL); /* 11: segmentation violation */
signal(SIGSYS, SIG_DFL); /* 12: bad argument to system call */
signal(SIGPIPE, SIG_DFL); /* 13: write on a pipe with no reader */
signal(SIGALRM, SIG_DFL); /* 14: real-time timer expired */
signal(SIGTERM, SIG_DFL); /* 15: software termination signal */
signal(SIGCHLD, SIG_DFL); /* 20: child status has changed */
signal(SIGXCPU, SIG_DFL); /* 24: exceeded CPU time limit */
signal(SIGXFSZ, SIG_DFL); /* 25: exceeded file size limit */
#endif /* !_WIN32 */
}
static void
set_status_with_attrs(PurpleStatus *status, ...)
{
va_list args;
va_start(args, status);
purple_status_set_active_with_attrs(status, TRUE, args);
va_end(args);
}
void purple_util_set_current_song(const char *title, const char *artist, const char *album)
{
GList *list = purple_accounts_get_all();
for (; list; list = list->next) {
PurplePresence *presence;
PurpleStatus *tune;
PurpleAccount *account = list->data;
if (!purple_account_get_enabled(account, purple_core_get_ui()))
continue;
presence = purple_account_get_presence(account);
tune = purple_presence_get_status(presence, "tune");
if (!tune)
continue;
if (title) {
set_status_with_attrs(tune,
PURPLE_TUNE_TITLE, title,
PURPLE_TUNE_ARTIST, artist,
PURPLE_TUNE_ALBUM, album,
NULL);
} else {
purple_status_set_active(tune, FALSE);
}
}
}
char * purple_util_format_song_info(const char *title, const char *artist, const char *album, gpointer unused)
{
GString *string;
char *esc;
if (!title || !*title)
return NULL;
esc = g_markup_escape_text(title, -1);
string = g_string_new("");
g_string_append_printf(string, "%s", esc);
g_free(esc);
if (artist && *artist) {
esc = g_markup_escape_text(artist, -1);
g_string_append_printf(string, _(" - %s"), esc);
g_free(esc);
}
if (album && *album) {
esc = g_markup_escape_text(album, -1);
g_string_append_printf(string, _(" (%s)"), esc);
g_free(esc);
}
return g_string_free(string, FALSE);
}
void purple_key_value_pair_free(PurpleKeyValuePair *kvp)
{
g_return_if_fail(kvp != NULL);
g_free(kvp->value);
g_free(kvp->key);
g_free(kvp);
}
gchar *
purple_uuid_random(void)
{
guint32 tmp, a, b;
tmp = g_random_int();
a = 0x4000 | (tmp & 0xFFF); /* 0x4000 to 0x4FFF */
tmp >>= 12;
b = ((1 << 3) << 12) | (tmp & 0x3FFF); /* 0x8000 to 0xBFFF */
tmp = g_random_int();
return g_strdup_printf("%08x-%04x-%04x-%04x-%04x%08x",
g_random_int(),
tmp & 0xFFFF,
a,
b,
(tmp >> 16) & 0xFFFF, g_random_int());
}
void purple_callback_set_zero(gpointer data)
{
gpointer *ptr = data;
g_return_if_fail(ptr != NULL);
*ptr = NULL;
}
GValue *
purple_value_new(GType type)
{
GValue *ret;
g_return_val_if_fail(type != G_TYPE_NONE, NULL);
ret = g_new0(GValue, 1);
g_value_init(ret, type);
return ret;
}
GValue *
purple_value_dup(GValue *value)
{
GValue *ret;
g_return_val_if_fail(value != NULL, NULL);
ret = g_new0(GValue, 1);
g_value_init(ret, G_VALUE_TYPE(value));
g_value_copy(value, ret);
return ret;
}
void
purple_value_free(GValue *value)
{
g_return_if_fail(value != NULL);
g_value_unset(value);
g_free(value);
}
int
_purple_fstat(int fd, GStatBuf *st)
{
int ret;
g_return_val_if_fail(st != NULL, -1);
#ifdef _WIN32
ret = _fstat(fd, st);
#else
ret = fstat(fd, st);
#endif
return ret;
}