source:
CIVL/examples/languageFeatures/pointersBad.cvl@
f79e288
| Last change on this file since f79e288 was f79e288, checked in by , 11 years ago | |
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| File size: 383 bytes | |
| Rev | Line | |
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| [262ecde] | 1 | /* Commandline execution: |
| 2 | * civl verify pointersBad.cvl | |
| 3 | * */ | |
| 4 | #include<civlc.cvh> | |
| 5 | #include<stdlib.h> | |
| 6 | ||
| 7 | $output int out; | |
| [f79e288] | 8 | $input int x; |
| [262ecde] | 9 | void main() { |
| 10 | int a; | |
| [f79e288] | 11 | int* b, *c; |
| 12 | int * nilPtr = NULL; | |
| [262ecde] | 13 | |
| [f79e288] | 14 | c = (void *)(-1); |
| [262ecde] | 15 | b = (int *)malloc(sizeof(int)); |
| 16 | free(b); | |
| 17 | a = *(&out); | |
| [f79e288] | 18 | $choose { |
| 19 | $when(x == 0) {a = *c;} | |
| 20 | $when(x >=1 ) {a = *b;} | |
| 21 | $when(x < 0 ) {a = *nilPtr;} | |
| 22 | } | |
| [262ecde] | 23 | } |
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