[MPlayer-cvslog] r24194 - trunk/osdep/mmap_anon.c

[Reimar Döffinger]

Hello,
On Sat, Aug 25, 2007 at 07:09:09PM +0200, diego wrote:
> Author: diego
> Date: Sat Aug 25 19:09:09 2007
> New Revision: 24194
> 
> Log:
> warning fix:
> mmap_anon.c: In function 'mmap_anon':
> mmap_anon.c:37: warning: unused variable 'fd'
> 
> 
> Modified:
>    trunk/osdep/mmap_anon.c
> 
> Modified: trunk/osdep/mmap_anon.c
> ==============================================================================
> --- trunk/osdep/mmap_anon.c	(original)
> +++ trunk/osdep/mmap_anon.c	Sat Aug 25 19:09:09 2007
> @@ -34,7 +34,6 @@
>   */
>  void *mmap_anon(void *addr, size_t len, int prot, int flags, off_t offset)
>  {
> -    int fd;
>      void *result;
>  
>       /* From loader/ext.c:
> @@ -50,6 +49,7 @@ void *mmap_anon(void *addr, size_t len, 
>      result = mmap(addr, len, prot, flags | MAP_ANONYMOUS, -1, offset);
>  #else
>      /* SysV-style anonymous mapping */
> +    int fd;
>      fd = open("/dev/zero", O_RDWR);
>      if(fd < 0){
>          perror( "Cannot open /dev/zero for READ+WRITE. Check permissions! error: ");

Well, it was there to avoid problems with gcc 2.95.
No idea what kind of systems still do not have MAP_ANONYMOUS though.

Greetings,
Reimar Döffinger