cttyhack: remove the trailing newline when reading console name from sysfs
Signed-off-by: Kevin Cernekee <cernekee@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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@ -122,10 +122,12 @@ int cttyhack_main(int argc UNUSED_PARAM, char **argv)
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do {
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#ifdef __linux__
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int s = open_read_close("/sys/class/tty/console/active",
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console + 5, sizeof(console) - 5 - 1);
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console + 5, sizeof(console) - 5);
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if (s > 0) {
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/* found active console via sysfs (Linux 2.6.38+) */
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console[5 + s] = '\0';
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/* found active console via sysfs (Linux 2.6.38+)
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* sysfs string looks like "ttyS0\n" so zap the newline:
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*/
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console[4 + s] = '\0';
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break;
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}
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