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#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <mntent.h>

#ifdef __UCLIBC_HAS_THREADS__

#include <pthread.h>

static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER;

# define LOCK   __pthread_mutex_lock(&mylock)

# define UNLOCK __pthread_mutex_unlock(&mylock);

#else

# define LOCK

# define UNLOCK

#endif

/* Reentrant version of getmntent.  */

struct mntent *getmntent_r (FILE *filep,

        struct mntent *mnt, char *buff, int bufsize)

{

        char *cp, *ptrptr;

        const char *sep = " \t\n";

        if (!filep || !mnt || !buff)

            return NULL;

        /* Loop on the file, skipping comment lines. - FvK 03/07/93 */

        while ((cp = fgets(buff, bufsize, filep)) != NULL) {

                if (buff[0] == '#' || buff[0] == '\n')

                        continue;

                break;

        }

        /* At the EOF, the buffer should be unchanged. We should

         * check the return value from fgets ().

         */

        if (cp == NULL)

                return NULL;

        ptrptr = 0;

        mnt->mnt_fsname = strtok_r(buff, sep, &ptrptr);

        if (mnt->mnt_fsname == NULL)

                return NULL;

        mnt->mnt_dir = strtok_r(NULL, sep, &ptrptr);

        if (mnt->mnt_dir == NULL)

                return NULL;

        mnt->mnt_type = strtok_r(NULL, sep, &ptrptr);

        if (mnt->mnt_type == NULL)

                return NULL;

        mnt->mnt_opts = strtok_r(NULL, sep, &ptrptr);

        if (mnt->mnt_opts == NULL)

                mnt->mnt_opts = "";

        cp = strtok_r(NULL, sep, &ptrptr);

        mnt->mnt_freq = (cp != NULL) ? atoi(cp) : 0;

        cp = strtok_r(NULL, sep, &ptrptr);

        mnt->mnt_passno = (cp != NULL) ? atoi(cp) : 0;

        return mnt;

}

struct mntent *getmntent(FILE * filep)

{

    struct mntent *tmp;

    static char buff[BUFSIZ];

    static struct mntent mnt;

    LOCK;

    tmp = getmntent_r(filep, &mnt, buff, sizeof buff);

    UNLOCK;

    return(tmp);

}

int addmntent(FILE * filep, const struct mntent *mnt)

{

        if (fseek(filep, 0, SEEK_END) < 0)

                return 1;

        if (fprintf (filep, "%s %s %s %s %d %d\n", mnt->mnt_fsname, mnt->mnt_dir,

                 mnt->mnt_type, mnt->mnt_opts, mnt->mnt_freq, mnt->mnt_passno) < 1)

                return 1;

        return 0;

}

char *hasmntopt(const struct mntent *mnt, const char *opt)

{

        return strstr(mnt->mnt_opts, opt);

}

FILE *setmntent(const char *name, const char *mode)

{

        return fopen(name, mode);

}

int endmntent(FILE * filep)

{

        if (filep != NULL)

                fclose(filep);

        return 1;

}