Return mutable string from non-const std::string::data()

Author: lucic71

rules/string/ir_unsafe.json

@@ -1548,21 +1548,21 @@
             {
               "placeholder": {
                 "arg": "a0",
-                "access": "read"
+                "access": "write"
               }
             }
           ],
           "body": [
             {
-              "text": ".as_ptr()"
+              "text": ".as_mut_ptr()"
             }
           ]
         }
       }
     ],
     "params": {
       "a0": {
-        "type": "Vec<u8>"
+        "type": "&mut Vec<u8>"
       }
     },
     "return_type": {

rules/string/tgt_unsafe.rs

@@ -35,8 +35,8 @@ unsafe fn f4(a0: &mut Vec<u8>, a1: *mut u8, a2: usize) {
 unsafe fn f5(a0: Vec<u8>) -> *const u8 {
     a0.as_ptr()
 }
-unsafe fn f6(a0: Vec<u8>) -> *const u8 {
-    a0.as_ptr()
+unsafe fn f6(a0: &mut Vec<u8>) -> *const u8 {
+    a0.as_mut_ptr()
 }
 unsafe fn f7(a0: *const u8, a1: usize) -> Vec<u8> {
     std::slice::from_raw_parts(a0, a1 as usize)