gengetopt: backport patch fixing support for c++17
[openwrt/staging/nbd.git] / tools / gengetopt / patches / 002-gm_utils.h-Drop-std-unary_function.patch
1 From a3d0a0419a35bef9b80a6a12432ab30e2d1e0f5a Mon Sep 17 00:00:00 2001
2 From: Tomas Volf <~@wolfsden.cz>
3 Date: Tue, 5 Mar 2024 22:27:42 +0100
4 Subject: [PATCH] gm_utils.h: Drop std::unary_function.
5
6 I am not sure what it does, it is deprecated/removed (depending on C++ version)
7 and the advice seems to be that is just is not necessary. So just remove it.
8
9 * src/gm_utils.h (print_f, pair_print_f): Drop std::unary_function.
10 ---
11 src/gm_utils.h | 4 ++--
12 1 file changed, 2 insertions(+), 2 deletions(-)
13
14 --- a/src/gm_utils.h
15 +++ b/src/gm_utils.h
16 @@ -117,7 +117,7 @@ bool string_contains(const char *s, cons
17 * Function object to print something into a stream (to be used with for_each)
18 */
19 template<class T>
20 -struct print_f : public std::unary_function<T, void>
21 +struct print_f
22 {
23 print_f(std::ostream& out, const string &s = ", ") : os(out), sep(s) {}
24 void operator() (T x) { os << x << sep; }
25 @@ -129,7 +129,7 @@ struct print_f : public std::unary_funct
26 * Function object to print a pair into two streams (to be used with for_each)
27 */
28 template<class T>
29 -struct pair_print_f : public std::unary_function<T, void>
30 +struct pair_print_f
31 {
32 pair_print_f(std::ostream& out1, std::ostream& out2, const string &s = ", ") :
33 os1(out1), os2(out2), sep(s) {}