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hdspmixer: Fix buffer overflow

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A one off string buffer overflow fixed by handling it properly with
string stream.

Signed-off-by: Georg Rudolph <georg.rudolph@schwaben.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Georg Rudolph 2010-05-15 09:37:34 +02:00 • committed by Jaroslav Kysela
parent 0de8b19562
commit 6af3047947
2 changed files with 5 additions and 4 deletions
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6
hdspmixer/src/HDSPMixerIOMixer.cxx
View file

@ -25,9 +25,9 @@ HDSPMixerIOMixer::HDSPMixerIOMixer(int x, int y, int w, int h, int ch, int type)
{ {
mixer_type = type; mixer_type = type;
if (type) { if (type) {
sprintf(channel_name, "Out %d", ch); channel_name << "Out " << ch;
} else { } else {
sprintf(channel_name, "In %d", ch); channel_name << "In " << ch;
} }
channel_num = ch; channel_num = ch;
if (channel_num%2) { if (channel_num%2) {
@ -73,7 +73,7 @@ void HDSPMixerIOMixer::draw()
draw_background(); draw_background();
fl_color(FL_BLACK); fl_color(FL_BLACK);
fl_font(FL_HELVETICA, 8); fl_font(FL_HELVETICA, 8);
fl_draw(channel_name, x()+4, y()+225, 27, 9, FL_ALIGN_CENTER); fl_draw(channel_name.str().c_str(), x()+4, y()+225, 27, 9, FL_ALIGN_CENTER);
for (int i=children(); i--;) { for (int i=children(); i--;) {
Fl_Widget& o = **a++; Fl_Widget& o = **a++;
draw_child(o); draw_child(o);

3
hdspmixer/src/HDSPMixerIOMixer.h
View file

@ -36,6 +36,7 @@
#include "HDSPMixerStripData.h" #include "HDSPMixerStripData.h"
#include "HDSPMixerMeter.h" #include "HDSPMixerMeter.h"
#include "pixmaps.h" #include "pixmaps.h"
#include <sstream>
class HDSPMixerWindow; class HDSPMixerWindow;
class HDSPMixerSelector; class HDSPMixerSelector;
@ -52,7 +53,7 @@ class HDSPMixerIOMixer:public Fl_Group
private: private:
char **p_iomixer_xpm; char **p_iomixer_xpm;
int channel_num, relative_num, mixer_type; int channel_num, relative_num, mixer_type;
char channel_name[6]; std::stringstream channel_name;
void update_child(Fl_Widget &widget); void update_child(Fl_Widget &widget);
public: public:
HDSPMixerStripData *data[3][3][8]; /* data[card][mode(ss/ds/qs)][preset number] */ HDSPMixerStripData *data[3][3][8]; /* data[card][mode(ss/ds/qs)][preset number] */