| Peter Senna Tschudin | ff3771c | 2013-01-23 20:06:30 -0200 | [diff] [blame] | 1 | // |
| 2 | // Replace memcpy with struct assignment. |
| 3 | // |
| 4 | // Confidence: High |
| 5 | // Copyright: (C) 2012 Peter Senna Tschudin, INRIA/LIP6. GPLv2. |
| 6 | // URL: http://coccinelle.lip6.fr/ |
| 7 | // Comments: |
| 8 | // Options: --no-includes --include-headers |
| 9 | |
| 10 | virtual patch |
| 11 | virtual report |
| 12 | virtual context |
| 13 | virtual org |
| 14 | |
| 15 | @r1 depends on !patch@ |
| 16 | identifier struct_name; |
| 17 | struct struct_name to; |
| 18 | struct struct_name from; |
| 19 | struct struct_name *top; |
| 20 | struct struct_name *fromp; |
| 21 | position p; |
| 22 | @@ |
| 23 | memcpy@p(\(&(to)\|top\), \(&(from)\|fromp\), \(sizeof(to)\|sizeof(from)\|sizeof(struct struct_name)\|sizeof(*top)\|sizeof(*fromp)\)) |
| 24 | |
| 25 | @script:python depends on report@ |
| 26 | p << r1.p; |
| 27 | @@ |
| 28 | coccilib.report.print_report(p[0],"Replace memcpy with struct assignment") |
| 29 | |
| 30 | @depends on context@ |
| 31 | position r1.p; |
| 32 | @@ |
| 33 | *memcpy@p(...); |
| 34 | |
| 35 | @script:python depends on org@ |
| 36 | p << r1.p; |
| 37 | @@ |
| 38 | cocci.print_main("Replace memcpy with struct assignment",p) |
| 39 | |
| 40 | @depends on patch@ |
| 41 | identifier struct_name; |
| 42 | struct struct_name to; |
| 43 | struct struct_name from; |
| 44 | @@ |
| 45 | ( |
| 46 | -memcpy(&(to), &(from), sizeof(to)); |
| 47 | +to = from; |
| 48 | | |
| 49 | -memcpy(&(to), &(from), sizeof(from)); |
| 50 | +to = from; |
| 51 | | |
| 52 | -memcpy(&(to), &(from), sizeof(struct struct_name)); |
| 53 | +to = from; |
| 54 | ) |
| 55 | |
| 56 | @depends on patch@ |
| 57 | identifier struct_name; |
| 58 | struct struct_name to; |
| 59 | struct struct_name *from; |
| 60 | @@ |
| 61 | ( |
| 62 | -memcpy(&(to), from, sizeof(to)); |
| 63 | +to = *from; |
| 64 | | |
| 65 | -memcpy(&(to), from, sizeof(*from)); |
| 66 | +to = *from; |
| 67 | | |
| 68 | -memcpy(&(to), from, sizeof(struct struct_name)); |
| 69 | +to = *from; |
| 70 | ) |
| 71 | |
| 72 | @depends on patch@ |
| 73 | identifier struct_name; |
| 74 | struct struct_name *to; |
| 75 | struct struct_name from; |
| 76 | @@ |
| 77 | ( |
| 78 | -memcpy(to, &(from), sizeof(*to)); |
| 79 | + *to = from; |
| 80 | | |
| 81 | -memcpy(to, &(from), sizeof(from)); |
| 82 | + *to = from; |
| 83 | | |
| 84 | -memcpy(to, &(from), sizeof(struct struct_name)); |
| 85 | + *to = from; |
| 86 | ) |
| 87 | |
| 88 | @depends on patch@ |
| 89 | identifier struct_name; |
| 90 | struct struct_name *to; |
| 91 | struct struct_name *from; |
| 92 | @@ |
| 93 | ( |
| 94 | -memcpy(to, from, sizeof(*to)); |
| 95 | + *to = *from; |
| 96 | | |
| 97 | -memcpy(to, from, sizeof(*from)); |
| 98 | + *to = *from; |
| 99 | | |
| 100 | -memcpy(to, from, sizeof(struct struct_name)); |
| 101 | + *to = *from; |
| 102 | ) |
| 103 | |