This semantic patch replaces "return {0,1};" with "return {false,true};" in functions returning bool.
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| @@ -0,0 +1,58 @@ | ||
| 1 | +/// Return statements in functions returning bool should use | |
| 2 | +/// true/false instead of 1/0. | |
| 3 | +// | |
| 4 | +// Confidence: High | |
| 5 | +// Options: --no-includes --include-headers | |
| 6 | + | |
| 7 | +virtual patch | |
| 8 | +virtual report | |
| 9 | +virtual context | |
| 10 | + | |
| 11 | +@r1 depends on patch@ | |
| 12 | +identifier fn; | |
| 13 | +typedef bool; | |
| 14 | +symbol false; | |
| 15 | +symbol true; | |
| 16 | +@@ | |
| 17 | + | |
| 18 | +bool fn ( ... ) | |
| 19 | +{ | |
| 20 | +<... | |
| 21 | +return | |
| 22 | +( | |
| 23 | +- 0 | |
| 24 | ++ false | |
| 25 | +| | |
| 26 | +- 1 | |
| 27 | ++ true | |
| 28 | +) | |
| 29 | + ; | |
| 30 | +...> | |
| 31 | +} | |
| 32 | + | |
| 33 | +@r2 depends on report || context@ | |
| 34 | +identifier fn; | |
| 35 | +position p; | |
| 36 | +@@ | |
| 37 | + | |
| 38 | +bool fn ( ... ) | |
| 39 | +{ | |
| 40 | +<... | |
| 41 | +return | |
| 42 | +( | |
| 43 | +* 0@p | |
| 44 | +| | |
| 45 | +* 1@p | |
| 46 | +) | |
| 47 | + ; | |
| 48 | +...> | |
| 49 | +} | |
| 50 | + | |
| 51 | + | |
| 52 | +@script:python depends on report@ | |
| 53 | +p << r2.p; | |
| 54 | +fn << r2.fn; | |
| 55 | +@@ | |
| 56 | + | |
| 57 | +msg = "WARNING: return of 0/1 in function '%s' with return type bool" % fn | |
| 58 | +coccilib.report.print_report(p[0], msg) | |