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 *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   sub5 (buf);
  29 }
  30
  31 int
  32 main (void)
  33 {
  34   int i;
  35
  36   for (i = 123; i < 345; ++i)
  37     test (i);
  38
  39   return 0;
  40 }