#include "allocator.h"
-#if ! HAVE_READLINKAT
/* Get the symbolic link value of FILENAME and put it into BUFFER, with
size BUFFER_SIZE. This function acts like readlink but has
readlinkat's signature. */
abort ();
return readlink (filename, buffer, buffer_size);
}
-#endif
/* Assuming the current directory is FD, get the symbolic link value
of FILENAME as a null-terminated string and put it into a buffer.
if (buf == stack_buf)
{
char *b = (char *) alloc->allocate (link_size);
+ buf_size = link_size;
if (! b)
break;
memcpy (b, buf, link_size);
buf_size *= 2;
else if (buf_size < buf_size_max)
buf_size = buf_size_max;
+ else if (buf_size_max < SIZE_MAX)
+ {
+ errno = ENAMETOOLONG;
+ return NULL;
+ }
else
break;
buf = (char *) alloc->allocate (buf_size);
while (buf);
if (alloc->die)
- alloc->die ();
+ alloc->die (buf_size);
errno = ENOMEM;
return NULL;
}