| Julia Lawall | 2cbd082 | 2012-04-21 20:23:48 +0200 | [diff] [blame] | 1 | /// sizeof when applied to a pointer typed expression gives the size of |
| 2 | /// the pointer |
| 3 | /// |
| 4 | // Confidence: High |
| 5 | // Copyright: (C) 2012 Julia Lawall, INRIA/LIP6. GPLv2. |
| 6 | // Copyright: (C) 2012 Gilles Muller, INRIA/LiP6. GPLv2. |
| 7 | // URL: http://coccinelle.lip6.fr/ |
| 8 | // Comments: |
| 9 | // Options: -no_includes -include_headers |
| 10 | |
| 11 | virtual org |
| 12 | virtual report |
| 13 | virtual context |
| 14 | virtual patch |
| 15 | |
| 16 | @depends on patch@ |
| 17 | expression *x; |
| 18 | expression f; |
| 19 | type T; |
| 20 | @@ |
| 21 | |
| 22 | ( |
| 23 | x = <+... sizeof( |
| 24 | - x |
| 25 | + *x |
| 26 | ) ...+> |
| 27 | | |
| 28 | f(...,(T)(x),...,sizeof( |
| 29 | - x |
| 30 | + *x |
| 31 | ),...) |
| 32 | | |
| 33 | f(...,sizeof(x),...,(T)( |
| 34 | - x |
| 35 | + *x |
| 36 | ),...) |
| 37 | ) |
| 38 | |
| 39 | @r depends on !patch@ |
| 40 | expression *x; |
| 41 | expression f; |
| 42 | position p; |
| 43 | type T; |
| 44 | @@ |
| 45 | |
| 46 | ( |
| 47 | *x = <+... sizeof@p(x) ...+> |
| 48 | | |
| 49 | *f(...,(T)(x),...,sizeof@p(x),...) |
| 50 | | |
| 51 | *f(...,sizeof@p(x),...,(T)(x),...) |
| 52 | ) |
| 53 | |
| 54 | @script:python depends on org@ |
| 55 | p << r.p; |
| 56 | @@ |
| 57 | |
| 58 | cocci.print_main("application of sizeof to pointer",p) |
| 59 | |
| 60 | @script:python depends on report@ |
| 61 | p << r.p; |
| 62 | @@ |
| 63 | |
| 64 | msg = "ERROR: application of sizeof to pointer" |
| 65 | coccilib.report.print_report(p[0],msg) |