From:	Martin Stromberg <eplmst AT lu DOT erisoft DOT se>
Message-Id:	<200012120811.JAA14917@lws256.lu.erisoft.se>
Subject:	Re: Locking fcntl changes #2
To:	djgpp-workers AT delorie DOT com
Date:	Tue, 12 Dec 2000 09:11:52 +0100 (MET)
In-Reply-To:	<5.0.2.1.0.20001212000231.02394850@pop5.banet.net> from "Peter J. Farley III" at Dec 12, 2000 12:11:23 AM
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> diff -ruN djgpp-cvs/src/libc/posix/fcntl/fcntl.c djgpp/src/libc/posix/fcntl/fcntl.c
> --- djgpp-cvs/src/libc/posix/fcntl/fcntl.c      Thu Jun  3 13:27:38 1999
> +++ djgpp/src/libc/posix/fcntl/fcntl.c  Mon Dec 11 20:41:46 2000

.
.
.

>  int
>  fcntl(int fd, int cmd, ...)
>  {

.
.
.

> +    case F_GETLK:
> +    case F_SETLK:
> +    case F_SETLKW:
> +    {
> +      struct flock *lock_req = NULL; /* shut up -Wall */
> +      int ret = -1;
> +      off_t pos, cur_pos, lock_pos;
> +      off_t len;
> +
> +      /* First check if SHARE is loaded */
> +      ret = _get_SHARE_status();
> +
> +      if (!ret) /* Then SHARE is NOT loaded, just return success */
> +      {
> +        if (cmd == F_GETLK) /* Then make believe the lock is available */
> +          lock_req->l_type = F_UNLCK;
> +
> +        return ret;
> +      }
> +      else ret = -1; /* Restore default value */
> +
> +      cur_pos = lseek(fd, 0, SEEK_CUR);
> +      if (cur_pos < 0)
> +        return -1;      /* Assumes lseek has set errno */

Why are you using lseek() here and not llseek?

.
.
.

> +    case F_GETLK64:
> +    case F_SETLK64:
> +    case F_SETLKW64:
> +    {
> +      struct flock64 *lock_req = NULL; /* shut up -Wall */
> +      int ret = -1;
> +      long long int ret64 = -1L;
> +      offset_t pos, cur_pos, lock_pos;
> +      offset_t len;
> +
> +      /* First check if SHARE is loaded */
> +      ret = _get_SHARE_status();
> +
> +      if (!ret) /* Then SHARE is NOT loaded, just return success */
> +      {
> +        if (cmd == F_GETLK64) /* Then make believe the lock is available */
> +          lock_req->l_type = F_UNLCK;
> +
> +        return ret;
> +      }
> +      else ret = -1; /* Restore default value */
> +
> +      cur_pos = llseek(fd, 0L, SEEK_CUR);
> +      if (cur_pos < 0)
> +        return -1;      /* Assumes lseek has set errno */
                                      ^^^^^

Don't you mean llseek()? (Several occurences.)


Right,

						MartinS

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