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Fix decoding overrun in UTF-8 XIM path

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This commit is contained in:
Camilla Berglund
2015-10-27 23:01:02 +01:00
parent d946337724
commit 97d8ea8119
2 changed files with 5 additions and 3 deletions
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7
src/x11_window.c
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@@ -896,17 +896,17 @@ static void processEvent(XEvent *event)
int count;
Status status;
#if defined(X_HAVE_UTF8_STRING)
char buffer[96];
char buffer[100];
char* chars = buffer;
count = Xutf8LookupString(window->x11.ic,
&event->xkey,
buffer, sizeof(buffer),
buffer, sizeof(buffer) - 1,
NULL, &status);
if (status == XBufferOverflow)
{
chars = calloc(count, 1);
chars = calloc(count + 1, 1);
count = Xutf8LookupString(window->x11.ic,
&event->xkey,
chars, count,
@@ -916,6 +916,7 @@ static void processEvent(XEvent *event)
if (status == XLookupChars || status == XLookupBoth)
{
const char* c = chars;
chars[count] = '\0';
while (c - chars < count)
_glfwInputChar(window, decodeUTF8(&c), mods, plain);
}