shadow/lib/get_pid.c

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/*
* SPDX-FileCopyrightText: 2009 , Nicolas François
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <config.h>
#ident "$Id$"
#include "prototypes.h"
#include "defines.h"
int get_pid (const char *pidstr, pid_t *pid)
{
long long int val;
char *endptr;
errno = 0;
val = strtoll (pidstr, &endptr, 10);
if ( ('\0' == *pidstr)
|| ('\0' != *endptr)
|| (ERANGE == errno)
|| (/*@+longintegral@*/val != (pid_t)val)/*@=longintegral@*/) {
return 0;
}
*pid = (pid_t)val;
return 1;
}