| OLD | NEW |
| 1 /* | 1 /* |
| 2 * This simple classical example of recursion is useful for | 2 * This simple classical example of recursion is useful for |
| 3 * testing stack backtraces and such. | 3 * testing stack backtraces and such. |
| 4 */ | 4 */ |
| 5 | 5 |
| 6 #ifdef vxworks | 6 #ifdef vxworks |
| 7 | 7 |
| 8 # include <stdio.h> | 8 # include <stdio.h> |
| 9 | 9 |
| 10 /* VxWorks does not supply atoi. */ | 10 /* VxWorks does not supply atoi. */ |
| (...skipping 24 matching lines...) Expand all Loading... |
| 35 #else /* ! vxworks */ | 35 #else /* ! vxworks */ |
| 36 # include <stdio.h> | 36 # include <stdio.h> |
| 37 # include <stdlib.h> | 37 # include <stdlib.h> |
| 38 #endif /* ! vxworks */ | 38 #endif /* ! vxworks */ |
| 39 | 39 |
| 40 int main (int argc, char *argv[], char **envp) | 40 int main (int argc, char *argv[], char **envp) |
| 41 /*int argc; | 41 /*int argc; |
| 42 char *argv[], **envp;*/ | 42 char *argv[], **envp;*/ |
| 43 { | 43 { |
| 44 int factorial (int); | 44 int factorial (int); |
| 45 #ifdef usestubs | |
| 46 set_debug_traps(); | |
| 47 breakpoint(); | |
| 48 #endif | |
| 49 #ifdef FAKEARGV | 45 #ifdef FAKEARGV |
| 50 printf ("%d\n", factorial (1)); | 46 printf ("%d\n", factorial (1)); |
| 51 #else | 47 #else |
| 52 if (argc != 2) { | 48 if (argc != 2) { |
| 53 printf ("usage: factorial <number>\n"); | 49 printf ("usage: factorial <number>\n"); |
| 54 return 1; | 50 return 1; |
| 55 } else { | 51 } else { |
| 56 printf ("%d\n", factorial (atoi (argv[1]))); | 52 printf ("%d\n", factorial (atoi (argv[1]))); |
| 57 } | 53 } |
| 58 #endif | 54 #endif |
| 59 return 0; | 55 return 0; |
| 60 } | 56 } |
| 61 | 57 |
| 62 int factorial (int value) | 58 int factorial (int value) |
| 63 /*int value;*/ | 59 /*int value;*/ |
| 64 { | 60 { |
| 65 int local_var; | 61 int local_var; |
| 66 | 62 |
| 67 if (value > 1) { | 63 if (value > 1) { |
| 68 value *= factorial (value - 1); | 64 value *= factorial (value - 1); |
| 69 } | 65 } |
| 70 local_var = value; | 66 local_var = value; |
| 71 return (value); | 67 return (value); |
| 72 } | 68 } |
| OLD | NEW |