delta-find: clarify some comment and code in is_good_delta_info
We move the comment closer to the code it describ and we compute an
intermediate value without using the `textlen` variable, as it will stop being
defined in a future patch.
This will clarify future patches.
/*
* Utilities about process handling - signal and subprocess (ex. pager)
*
* Copyright (c) 2011 Yuya Nishihara <yuya@tcha.org>
*
* This software may be used and distributed according to the terms of the
* GNU General Public License version 2 or any later version.
*/
#ifndef PROCUTIL_H_
#define PROCUTIL_H_
#include <unistd.h>
void restoresignalhandler(void);
void setupsignalhandler(pid_t pid, pid_t pgid);
pid_t setuppager(const char *pagercmd, const char *envp[]);
void waitpager(void);
#endif /* PROCUTIL_H_ */