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Support compiling against lower SDK

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Reduce even more size for static binaries
This commit is contained in:
topjohnwu
2018-07-13 05:41:29 +08:00
parent 7779c3e372
commit 1affb91f17
8 changed files with 99 additions and 59 deletions
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6
native/jni/core/magiskinit.c
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@ -382,9 +382,9 @@ int main(int argc, char *argv[]) {
mknod("/null", S_IFCHR | 0666, makedev(1, 3));
int null = open("/null", O_RDWR | O_CLOEXEC);
unlink("/null");
dup3(null, STDIN_FILENO, O_CLOEXEC);
dup3(null, STDOUT_FILENO, O_CLOEXEC);
dup3(null, STDERR_FILENO, O_CLOEXEC);
xdup3(null, STDIN_FILENO, O_CLOEXEC);
xdup3(null, STDOUT_FILENO, O_CLOEXEC);
xdup3(null, STDERR_FILENO, O_CLOEXEC);
if (null > STDERR_FILENO)
close(null);