[Bug build/33774] iconv functions do not follow symlinks

[carlos at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=33774

--- Comment #8 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to john.frankish from comment #7)
> Comment on attachment 16560 [details]
> strace logs
> 
> gdb did not show anything so I tried strace with and without
> /usr/lib/gconv/gconv-modules.d/gconv-modules-extra.conf as a symlink.
> 
> Nothing stands out to me, but logs attached

The symlink is being read in your patched version?
~~~
openat(AT_FDCWD, "/usr/lib/gconv/gconv-modules.d",
O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
fstat(3, {st_mode=S_IFDIR|0755, st_size=60, ...}) = 0
getdents64(3, 0x564398dd81d0 /* 3 entries */, 32768) = 96
openat(AT_FDCWD, "/usr/lib/gconv/gconv-modules.d/gconv-modules-extra.conf",
O_RDONLY|O_CLOEXEC) = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=53974, ...}) = 0
read(4, "# GNU libc iconv configuration.\n"..., 4096) = 4096
read(4, "B1002//\tJUS_I.B1.002//\nmodule\tJU"..., 4096) = 4096
read(4, "59-5//\nalias\tISO_8859-5//\t\tISO-8"..., 4096) = 4096
read(4, "59-16//\t\tINTERNAL\t\tISO8859-16\t1\n"..., 4096) = 4096
read(4, "-SE-A\t1\nmodule\tINTERNAL\t\tEBCDIC-"..., 4096) = 4096
read(4, "97\t\t1\n\n#\tfrom\t\t\tto\t\t\tmodule\t\tcos"..., 4096) = 4096
read(4, "1\n\n#\tfrom\t\t\tto\t\t\tmodule\t\tcost\nal"..., 4096) = 4096
read(4, "6//\t\tIBM1046//\nalias\tCP1046//\t\tI"..., 4096) = 4096
read(4, "\tto\t\t\tmodule\t\tcost\nalias\tRUSCII/"..., 4096) = 4096
brk(0x564398e17000)                     = 0x564398e17000
read(4, "03//\nmodule\tCSN_369103//\t\tINTERN"..., 4096) = 4096
read(4, "\tmodule\t\tcost\nalias\tISO-IR-8-1//"..., 4096) = 4096
read(4, "IBM1156\t\t1\n\n#\tfrom\t\t\tto\t\t\tmodule"..., 4096) = 4096
read(4, "\t\tIBM1166//\nalias\tCP1166//\t\tIBM1"..., 4096) = 4096
read(4, "alias\tROMAN9//\t\tHP-ROMAN9//\nalia"..., 4096) = 726
read(4, "", 4096)                       = 0
close(4)                                = 0
~~~

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