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Fix memory corruption.

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This commit is contained in:
sorgelig
2018-12-31 14:38:36 +08:00
parent 46a4353046
commit c22c365aa9
1 changed files with 3 additions and 3 deletions
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6
osd.cpp
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@@ -120,7 +120,7 @@ static unsigned long scroll_offset = 0; // file/dir name scrolling position
static unsigned long scroll_timer = 0; // file/dir name scrolling timer
static int arrow;
static unsigned char titlebuffer[128];
static unsigned char titlebuffer[256];
static void rotatechar(unsigned char *in, unsigned char *out)
{
@@ -151,7 +151,7 @@ void OsdSetTitle(const char *s, int a)
while (1)
{
int c = s[i++];
if (c && (outp<OSDHEIGHT))
if (c && (outp<OSDHEIGHT-8))
{
unsigned char *p = &charfont[c][0];
for (j = 0; j<8; ++j)
@@ -176,7 +176,7 @@ void OsdSetTitle(const char *s, int a)
{
titlebuffer[i] = 0;
}
// Now centre it:
uint c = (OSDHEIGHT - 1 - outp) / 2;
memmove(titlebuffer + c, titlebuffer, outp);