Much better: pathconf(3). Use _PC_PATH_MAX and
_PC_NAME_MAX:
#include <unistd.h>
int GetMaxPath(void)
{
int len;
len=pathconf("/",_PC_PATH_MAX);
return len;
}
int GetMaxName(void)
{
int len;
len=pathconf("/",_PC_NAME_MAX);
return len;
}
--- nitin ahuja <nitin2ahuja@xxxxxxxxxxxxx> wrote:
>
> Hi People,
>
> >
> > When a user tries to open a file using the open()
> > function from user space, what is the max size of
> > "path to the file" + "Name of the file". Does the
> > kernel have a say in the max size, if so, how can
> I
> > find this limit. Can I "cat" any of the /proc
> file > to find this limit.
> >
>
> You can find this in /usr/include/linux/limits.h
>
> #define NAME_MAX 255 /* # chars in a file name */
> #define PATH_MAX 4096 /* # chars in a path name
> including nul */
>
> nitin
>
>
>
> --
> Kernelnewbies: Help each other learn about the Linux
> kernel.
> Archive:
> http://mail.nl.linux.org/kernelnewbies/
> FAQ: http://kernelnewbies.org/faq/
>
>
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Kernelnewbies: Help each other learn about the Linux kernel.
Archive: http://mail.nl.linux.org/kernelnewbies/
FAQ: http://kernelnewbies.org/faq/
