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File busybox-1.19.0-cttyhack.patch of Package busybox (Revision 35)
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--- busybox-1.19.0/shell/cttyhack.c +++ busybox-1.19.0-cttyhack/shell/cttyhack.c @@ -122,10 +122,12 @@ int cttyhack_main(int argc UNUSED_PARAM, do { #ifdef __linux__ int s = open_read_close("/sys/class/tty/console/active", - console + 5, sizeof(console) - 5 - 1); + console + 5, sizeof(console) - 5); if (s > 0) { - /* found active console via sysfs (Linux 2.6.38+) */ - console[5 + s] = '\0'; + /* found active console via sysfs (Linux 2.6.38+) + * sysfs string looks like "ttyS0\n" so zap the newline: + */ + console[4 + s] = '\0'; break; }
