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elks-enhanced

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Owner: themasterBranch: masterCommits: 6893Updated: 2026-04-19 00:15

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elks-enhanced / libc / getent / grent.c

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/*
 * Sep 2023 Greg Haerr
 */
#include <unistd.h>
#include <stdlib.h>
#include <grp.h>
#include <fcntl.h>
#include <paths.h>

static int __grfd = -1;     /* file descriptor for group file */

void
setgrent(void)
{
    if (__grfd < 0)
        __grfd = open(_PATH_GROUP, O_RDONLY);
    lseek(__grfd, 0L, SEEK_SET);
}

void
endgrent(void)
{
    if (__grfd >= 0) {
        close(__grfd);
        __grfd = -1;
    }
}

struct group *
getgrent(void)
{
    if (__grfd < 0) {
        setgrent();
        if (__grfd < 0)
            return NULL;
    }
    return __getgrent(__grfd);
}

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