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authorAdrian Kummerlaender2016-02-16 23:37:39 +0100
committerAdrian Kummerlaender2016-02-16 23:54:18 +0100
commite0b000a61f54db41286ededcc795318c79715d6e (patch)
treefc2d393a4945e74691d3391c9d35cbd75839d1ba /src
parentf4353423207c451244ce9118b54ef3dcb28c7f89 (diff)
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Adapt `get_actual_function` template to accept newly introduced `function_ptr`
Diffstat (limited to 'src')
-rw-r--r--src/actual.h (renamed from src/actual_function.h)28
1 files changed, 10 insertions, 18 deletions
diff --git a/src/actual_function.h b/src/actual.h
index ff69a13..af64ec3 100644
--- a/src/actual_function.h
+++ b/src/actual.h
@@ -16,12 +16,11 @@ namespace {
template <class Result, typename... Arguments>
using function_ptr = Result(*)(Arguments...);
- template <class Result, typename... Arguments>
- function_ptr<Result, Arguments...> get_actual_function(
- const std::string& symbol_name) {
+ template <typename FunctionPtr>
+ FunctionPtr get_actual_function(const std::string& symbol_name) {
const void* symbol_address{ dlsym(RTLD_NEXT, symbol_name.c_str()) };
- function_ptr<Result, Arguments...> actual_function{};
+ FunctionPtr actual_function{};
std::memcpy(&actual_function, &symbol_address, sizeof(symbol_address));
return actual_function;
@@ -30,38 +29,31 @@ namespace {
namespace actual {
static auto write = get_actual_function<
- ssize_t,
- int, const void*, size_t
+ function_ptr<ssize_t, int, const void*, size_t>
>("write");
static auto writev = get_actual_function<
- ssize_t,
- int, const iovec*, int
+ function_ptr<ssize_t, int, const iovec*, int>
>("writev");
static auto rename = get_actual_function<
- int,
- const char*, const char*
+ function_ptr<int, const char*, const char*>
>("rename");
static auto rmdir = get_actual_function<
- int,
- const char*
+ function_ptr<int, const char*>
>("rmdir");
static auto unlink = get_actual_function<
- int,
- const char*
+ function_ptr<int, const char*>
>("unlink");
static auto unlinkat = get_actual_function<
- int,
- int, const char*, int
+ function_ptr<int, int, const char*, int>
>("unlinkat");
static auto mmap = get_actual_function<
- void*,
- void*, size_t, int, int, int, off_t
+ function_ptr<void*, void*, size_t, int, int, int, off_t>
>("mmap");
}