X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdlib%2Fexit.c;h=3030855af8c222e43b59120310b24e83cabb0513;hb=b1fc26afebd4d557ff89a44bc21767a8704c3809;hp=f093fe048bfd8a03923b7480167bf6e5f63e404b;hpb=064097d5ed6eb8c2cfd337c29ac3ebc471e557b8;p=pdclib

diff --git a/functions/stdlib/exit.c b/functions/stdlib/exit.c
index f093fe0..3030855 100644
--- a/functions/stdlib/exit.c
+++ b/functions/stdlib/exit.c
@@ -1,7 +1,3 @@
-/* $Id$ */
-
-/* Release $Name$ */
-
 /* exit( int )
 
    This file is part of the Public Domain C Library (PDCLib).
@@ -12,26 +8,24 @@
 
 #ifndef REGTEST
 
-/* TODO: Required by both atexit() and exit(). */
-struct _PDCLIB_exitfunc_t
-{
-    struct _PDCLIB_exitfunc_t * next;
-    void (*func)( void );
-};
+/* TODO - "except that a function is called after any previously registered
+   functions that had already been called at the time it was registered.
+*/
+
+/* TODO: 32 is guaranteed. This should be dynamic but ATM gives problems
+   with my malloc.
+*/
+#define NUMBER_OF_SLOTS 40
 
-struct _PDCLIB_exitfunc_t * regstack = NULL;
+void (*_PDCLIB_regstack[ NUMBER_OF_SLOTS ])( void ) = { _PDCLIB_closeall };
+size_t _PDCLIB_regptr = NUMBER_OF_SLOTS;
 
 void exit( int status )
 {
-    struct _PDCLIB_exitfunc_t * next = regstack;
-    while ( next != NULL )
+    while ( _PDCLIB_regptr < NUMBER_OF_SLOTS )
     {
-        next->func();
-        regstack = next->next;
-        free( next );
-        next = regstack;
+        _PDCLIB_regstack[ _PDCLIB_regptr++ ]();
     }
-    /* TODO: Flush and close open streams. Remove tmpfile() files. */
     _Exit( status );
 }
 
@@ -40,11 +34,9 @@ void exit( int status )
 #ifdef TEST
 #include <_PDCLIB_test.h>
 
-int main()
+int main( void )
 {
-    int NO_TESTDRIVER = 0;
-    BEGIN_TESTS;
-    TESTCASE( NO_TESTDRIVER );
+    /* Unwinding of regstack tested in atexit(). */
     return TEST_RESULTS;
 }