setjmp/jmpbug.c

   1 /* setjmp vs alloca test case.  Exercised bug on sparc.  */
   2
   3 #include <stdio.h>
   4 #include <setjmp.h>
   5 #include <alloca.h>
   6
   7 static void
   8 sub5 (jmp_buf buf)
   9 {
  10   longjmp (buf, 1);
  11 }
  12
  13 static void
  14 test (int x)
  15 {
  16   jmp_buf buf;
  17   char *volatile foo;
  18   int arr[100];
  19
  20   arr[77] = x;
  21   if (setjmp (buf))
  22     {
  23       printf ("made it ok; %d\n", arr[77]);
  24       return;
  25     }
  26
  27   foo = (char *) alloca (128);
  28   (void) foo;
  29   sub5 (buf);
  30 }
  31
  32 int
  33 main (void)
  34 {
  35   int i;
  36
  37   for (i = 123; i < 345; ++i)
  38     test (i);
  39
  40   return 0;
  41 }