On 05 Jan 2016 07:32, Ian Lance Taylor wrote: > On Sat, Jan 2, 2016 at 10:39 PM, Mike Frysinger <vap...@gentoo.org> wrote: > > Would be more useful if we could use "const char * const *", but there's > > a long standing bug where gcc warns about incompatible pointers when you > > try to pass in "char **". > > That's not a bug. It's how C works. http://c-faq.com/ansi/constmismatch.html
i'm referring to the bugs filed/discussing the issue in the gcc tracker. i'm aware of the (crap) standards. > > We can at least constify the array itself as > > gcc will not warn in that case. > > > > include/: > > 2016-01-03 Mike Frysinger <vap...@gentoo.org> > > > > * libiberty.h (dupargv): Change arg to char * const *. > > (writeargv, countargv): Likewise. > > > > libiberty/: > > 2016-01-03 Mike Frysinger <vap...@gentoo.org> > > > > * argv.c (dupargv): Change arg to char * const *. Update comment. > > (writeargv, countargv): Likewise. > > * functions.texi (dupargv, writeargv, countargv): Likewise. > > This is OK if it bootstraps. Thanks. i've been testing this in gdb because gcc doesn't actually use dupargv or countargv. it does use writeargv in all of three places. that said, it does bootstrap -mike
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