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// RUN: %clang_cc1 -std=c++20 -Wunsafe-buffer-usage \
// RUN: -fsafe-buffer-usage-suggestions \
// RUN: -fdiagnostics-parseable-fixits %s 2>&1 | FileCheck %s
void unsafe_array_func_ptr_call(void (*fn_ptr)(int *param)) {
int p[32];
// CHECK-DAG: fix-it:"{{.*}}":{[[@LINE-1]]:3-[[@LINE-1]]:12}:"std::array<int, 32> p"
int idx;
p[idx] = 10;
fn_ptr(p);
// CHECK-DAG: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:11}:".data()"
}
void unsafe_ptr_func_ptr_call(void (*fn_ptr)(int *param)) {
int *p;
// CHECK-DAG: fix-it:"{{.*}}":{[[@LINE-1]]:3-[[@LINE-1]]:9}:"std::span<int> p"
p[5] = 10;
fn_ptr(p);
// CHECK-DAG: fix-it:"{{.*}}":{[[@LINE-1]]:11-[[@LINE-1]]:11}:".data()"
}
void addr_of_unsafe_ptr_func_ptr_call(void (*fn_ptr)(int *param)) {
int *p;
// CHECK-DAG: fix-it:"{{.*}}":{[[@LINE-1]]:3-[[@LINE-1]]:9}:"std::span<int> p"
p[5] = 10;
fn_ptr(&p[0]);
// CHECK-DAG: fix-it:"{{.*}}":{[[@LINE-1]]:10-[[@LINE-1]]:15}:"p.data()"
}
void addr_of_unsafe_ptr_w_offset_func_ptr_call(void (*fn_ptr)(int *param)) {
int *p;
// CHECK-DAG: fix-it:"{{.*}}":{[[@LINE-1]]:3-[[@LINE-1]]:9}:"std::span<int> p"
p[5] = 10;
fn_ptr(&p[3]);
// CHECK-DAG: fix-it:"{{.*}}":{[[@LINE-1]]:10-[[@LINE-1]]:15}:"&p.data()[3]"
}
void preincrement_unsafe_ptr_func_ptr_call(void (*fn_ptr)(int *param)) {
int *p;
// CHECK-DAG: fix-it:"{{.*}}":{[[@LINE-1]]:3-[[@LINE-1]]:9}:"std::span<int> p"
p[5] = 10;
fn_ptr(++p);
// CHECK-DAG: fix-it:"{{.*}}":{[[@LINE-1]]:10-[[@LINE-1]]:13}:"(p = p.subspan(1)).data()"
}
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