40 lines
742 B
C
40 lines
742 B
C
/*
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* This simple classical example of recursion is useful for
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* testing stack backtraces and such.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "unbuffer_output.c"
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int factorial (int);
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int
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main (int argc, char **argv, char **envp)
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{
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gdb_unbuffer_output ();
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#ifdef FAKEARGV
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printf ("%d\n", factorial (1)); /* commands.exp: hw local_var out of scope */
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#else
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if (argc != 2) {
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printf ("usage: factorial <number>\n");
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return 1;
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} else {
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printf ("%d\n", factorial (atoi (argv[1])));
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}
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#endif
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return 0;
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}
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int factorial (int value)
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{
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int local_var;
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if (value > 1) {
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value *= factorial (value - 1);
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}
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local_var = value;
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return (value);
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} /* commands.exp: local_var out of scope */
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