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Use '::iterator' instead of '::const_iterator' on environ.c (and fix breakage on early versions of libstdc++)

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Even though C++11 supports modifying containers using a const_iterator
(e.g., calling the 'erase' method of a std::vector), early versions of
libstdc++ did not implement that.  Some of our buildslaves are using
these versions (e.g., the AArch64 buildslave uses gcc 4.8.8), and my
previous commit causes a breakage on them.  The solution is simple:
just use a normal iterator, without const.

gdb/ChangeLog:
2017-06-20  Sergio Durigan Junior  <sergiodj@redhat.com>

	* common/environ.c (gdb_environ::unset): Use '::iterator' instead
	of '::const_iterator'.
This commit is contained in:
Sergio Durigan Junior 2017-06-20 09:33:53 -04:00
parent 9a6c7d9c02
commit 96160d6051
2 changed files with 7 additions and 2 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2017-06-20 Sergio Durigan Junior <sergiodj@redhat.com>
* common/environ.c (gdb_environ::unset): Use '::iterator' instead
of '::const_iterator'.
2017-06-20 Sergio Durigan Junior <sergiodj@redhat.com>
* Makefile.in (SUBDIR_UNITTESTS_SRCS): Add

4
gdb/common/environ.c
View File

@ -116,8 +116,8 @@ gdb_environ::unset (const char *var)
/* We iterate until '.cend () - 1' because the last element is
always NULL. */
for (std::vector<char *>::const_iterator el = m_environ_vector.cbegin ();
el != m_environ_vector.cend () - 1;
for (std::vector<char *>::iterator el = m_environ_vector.begin ();
el != m_environ_vector.end () - 1;
++el)
if (match_var_in_string (*el, var, len))
{