Fix buffer overrun #83
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If a content of /proc/[pid]/cmdline was longer than 4096, then buffer overrun occured. (Because cmdline_to_string required a double '\0' at the end of the string) Moreover, if a cmdline contained a zero length argument, cmdline_to_string ignored the rest of arguments.
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If a content of
/proc/[pid]/cmdlinewas longer than 4096, then buffer overrun occured. (Becausecmdline_to_stringrequired a double'\0'at the end of the string)Moreover, if a cmdline contained a zero length argument,
cmdline_to_stringignored the rest of arguments.