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Added a safety-check on a memory allocation. (Timers were using
[freeglut]
/
src
/
freeglut_callbacks.c
diff --git
a/src/freeglut_callbacks.c
b/src/freeglut_callbacks.c
index
ef404f7
..
9446315
100644
(file)
--- a/
src/freeglut_callbacks.c
+++ b/
src/freeglut_callbacks.c
@@
-48,6
+48,9
@@
*/
void FGAPIENTRY glutDisplayFunc( void (* callback)( void ) )
{
*/
void FGAPIENTRY glutDisplayFunc( void (* callback)( void ) )
{
+ if( !callback )
+ fgError ("Fatal error in program. NULL display callback not "
+ "permitted in GLUT 3.0+ or freeglut 2.0.1+\n");
SET_CALLBACK( Display );
/*
SET_CALLBACK( Display );
/*
@@
-106,7
+109,10
@@
void FGAPIENTRY glutTimerFunc( unsigned int timeOut, void (* callback)( int ), i
/*
* Create a new freeglut timer hook structure
*/
/*
* Create a new freeglut timer hook structure
*/
- timer = calloc( sizeof(SFG_Timer), 1 );
+ timer = (SFG_Timer *)calloc( sizeof(SFG_Timer), 1 );
+ if (!timer)
+ fgError ("Fatal error: "
+ "Memory allocation failure in glutTimerFunc()\n");
/*
* Remember the callback address and timer hook's ID
/*
* Remember the callback address and timer hook's ID