gdb/testsuite/gdb.base/run.c

   1 /*
   2  *      This simple classical example of recursion is useful for
   3  *      testing stack backtraces and such.
   4  */
   5
   6 #include <stdio.h>
   7 #include <stdlib.h>
   8
   9 int factorial (int);
  10
  11 int
  12 main (int argc, char **argv, char **envp)
  13 {
  14 #ifdef FAKEARGV
  15     printf ("%d\n", factorial (1)); /* commands.exp: hw local_var out of scope */
  16 #else
  17     if (argc != 2) {
  18         printf ("usage:  factorial <number>\n");
  19         return 1;
  20     } else {
  21         printf ("%d\n", factorial (atoi (argv[1])));
  22     }
  23 #endif
  24     return 0;
  25 }
  26
  27 int factorial (int value)
  28 {
  29     int  local_var;
  30
  31     if (value > 1) {
  32         value *= factorial (value - 1);
  33     }
  34     local_var = value;
  35     return (value);
  36 } /* commands.exp: local_var out of scope  */