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security/olm: fix build with clang 19

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Clang 19 has become more strict about assigning to const variables,
resulting in an error similar to:

  /wrkdirs/usr/ports/security/olm/work/olm-6d767aaf29bdf15571c2ef4d3f8f9e953de03733/include/olm/list.hh:106:13: error: cannot assign to variable 'other_pos' with const-qualified type 'T *const'
    106 |             ++other_pos;
        |             ^ ~~~~~~~~~
  /wrkdirs/usr/ports/security/olm/work/olm-6d767aaf29bdf15571c2ef4d3f8f9e953de03733/include/olm/list.hh:102:19: note: variable 'other_pos' declared const here
    102 |         T * const other_pos = other._data;
        |         ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

In this case, it looks like a typo: "T * const" means that the pointer
itself is const, thus it cannot be incremented. Instead, this should be
"T const *" (spelled alternatively as "const T *"), which means that the
object pointed to is const, not the pointer itself.

PR:		281496
Approved by:	maintainer timeout (2 weeks)
MFH:		2024Q3

(cherry picked from commit c42de78032)
This commit is contained in:
Dimitry Andric 2024-09-14 13:33:09 +02:00
parent a9aee8de59
commit ca0626f2f3
1 changed files with 11 additions and 0 deletions
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11
security/olm/files/patch-include_olm_list.hh Normal file
View file

@ -0,0 +1,11 @@
--- include/olm/list.hh.orig 2022-10-07 15:00:05 UTC
+++ include/olm/list.hh
@@ -99,7 +99,7 @@ class List { (public)
return *this;
}
T * this_pos = _data;
- T * const other_pos = other._data;
+ T const * other_pos = other._data;
while (other_pos != other._end) {
*this_pos = *other;
++this_pos;