void-packages/srcpkgs/cups/patches/cups-dbus-utf8.patch
2013-10-12 10:41:13 +02:00

106 lines
2.5 KiB
Diff

diff -up cups-1.6.1/notifier/dbus.c.dbus-utf8 cups-1.6.1/notifier/dbus.c
--- cups-1.6.1/notifier/dbus.c.dbus-utf8 2012-01-20 19:00:32.000000000 +0000
+++ cups-1.6.1/notifier/dbus.c 2012-10-31 11:04:47.686973616 +0000
@@ -31,6 +31,9 @@
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
+#include <assert.h>
+#include <locale.h>
+#include <wchar.h>
#ifdef HAVE_DBUS
# include <dbus/dbus.h>
@@ -157,10 +160,82 @@ enum
* Local functions...
*/
-static int acquire_lock(int *fd, char *lockfile, size_t locksize);
+static int acquire_lock(int *fd, char *lockfile, size_t locksize);
+static const char *validate_utf8(const char *str);
/*
+ * 'validate_utf8()' - Convert to valid UTF-8
+ */
+
+static const char *
+validate_utf8 (const char *str)
+{
+ static char *buffer = NULL;
+ static size_t buflen = 0;
+ char *p;
+ size_t str_len;
+ unsigned int i;
+ mbstate_t instate, outstate;
+
+ if (str == NULL)
+ {
+ free (buffer);
+ return (NULL);
+ }
+
+ /* Is it already valid? */
+ if (mbstowcs (NULL, str, 0) != (size_t) -1)
+ return str;
+
+ /* Make sure our buffer is at least as large as the input string */
+ str_len = strlen (str);
+ if (str_len > buflen)
+ {
+ if (buffer == NULL)
+ /* Set encoding type to UTF-8 the first time we need to */
+ setlocale (LC_CTYPE, "en_US.UTF-8");
+
+ buflen = str_len + 1;
+ buffer = realloc (buffer, buflen);
+ }
+
+ memset (&instate, '\0', sizeof (mbstate_t));
+ memset (&outstate, '\0', sizeof (mbstate_t));
+ p = buffer;
+ i = 0;
+ while (i < str_len)
+ {
+ wchar_t wc;
+ size_t used, written;
+ mbstate_t orig_instate = instate;
+ used = mbrtowc (&wc, str + i, str_len - i, &instate);
+ switch (used)
+ {
+ case (size_t) -2:
+ case (size_t) -1:
+ wc = L'?'; /* so replacement is never longer than original char */
+ instate = orig_instate;
+ /* fallthru */
+ case 0:
+ used = 1;
+ }
+
+ written = wcrtomb (p, wc, &outstate);
+ if (written != -1)
+ {
+ p += written;
+ assert (p - buffer < buflen);
+ }
+
+ i += used;
+ }
+
+ *p = '\0';
+ return buffer;
+}
+
+/*
* 'main()' - Read events and send DBUS notifications.
*/
@@ -366,7 +441,7 @@ main(int argc, /* I - Number of comm
attr = ippFindAttribute(msg, "notify-text", IPP_TAG_TEXT);
if (attr)
{
- const char *val = ippGetString(attr, 0, NULL);
+ const char *val = validate_utf8 (ippGetString(attr, 0, NULL));
if (!dbus_message_iter_append_string(&iter, &val))
goto bail;
}