Add "const" to a few locals in gdb
authorTom Tromey <tom@tromey.com>
Mon, 24 Sep 2018 12:15:17 +0000 (06:15 -0600)
committerTom Tromey <tom@tromey.com>
Mon, 24 Sep 2018 12:17:13 +0000 (06:17 -0600)
commitb5a9bfbebec0a42d3c5b4fe3b7a62bd31cecc440
tree63d9c45a45305b6d006c9f7bb2bec63be62deb2b
parentae778caf097e08497f2e9218cf68b254b8da38f1
Add "const" to a few locals in gdb

I noticed that some code in gdb was doing:

    char *mumble = getenv (...)

However, using "const char *" here would be clearer.
This patch fixes the instances I could readily build.

Tested by rebuilding.

gdb/ChangeLog
2018-09-24  Tom Tromey  <tom@tromey.com>

* common/pathstuff.c (get_standard_cache_dir): Make
"xdg_cache_home" and "home" const.
* top.c (init_history): Make "tmpenv" const.
* main.c (get_init_files): Make "homedir" const.
gdb/ChangeLog
gdb/common/pathstuff.c
gdb/main.c
gdb/top.c