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libc: do not open stdio descriptors unless configured to do so

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Fix #2396
This commit is contained in:
Emery Hemingway 2017-04-13 10:53:47 -05:00 committed by Christian Helmuth
parent 24a9537a27
commit 01e8f7ea3d
1 changed files with 11 additions and 9 deletions
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2
repos/libports/src/lib/libc/vfs_plugin.h
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@ -82,6 +82,7 @@ class Libc::Vfs_plugin : public Libc::Plugin
if (_root_dir.num_dirent("/")) if (_root_dir.num_dirent("/"))
env.config([&] (Xml_node const &top) { env.config([&] (Xml_node const &top) {
try {
Xml_node const node = top.sub_node("libc"); Xml_node const node = top.sub_node("libc");
try { try {
@ -93,6 +94,7 @@ class Libc::Vfs_plugin : public Libc::Plugin
_open_stdio(node, "stdin", 0, O_RDONLY); _open_stdio(node, "stdin", 0, O_RDONLY);
_open_stdio(node, "stdout", 1, O_WRONLY); _open_stdio(node, "stdout", 1, O_WRONLY);
_open_stdio(node, "stderr", 2, O_WRONLY); _open_stdio(node, "stderr", 2, O_WRONLY);
} catch (Xml_node::Nonexistent_sub_node) { }
}); });
} }