pciutils/pciutils-havepread.patch

--- pciutils-2.1.99-test3/lib/pread.h.pread	2004-02-25 01:51:55.369843832 -0500
+++ pciutils-2.1.99-test3/lib/pread.h	2004-02-25 01:52:01.405065807 -0500
@@ -6,60 +6,6 @@
  *	Can be freely distributed and used under the terms of the GNU GPL.
  */
 
-/*
- *  We'd like to use pread/pwrite for configuration space accesses, but
- *  unfortunately it isn't simple at all since all libc's until glibc 2.1
- *  don't define it.
- */
-
-#if defined(__GLIBC__) && __GLIBC__ == 2 && __GLIBC_MINOR__ > 0
-/* glibc 2.1 or newer -> pread/pwrite supported automatically */
-
-#elif defined(i386) && defined(__GLIBC__)
-/* glibc 2.0 on i386 -> call syscalls directly */
-#include <asm/unistd.h>
-#include <syscall-list.h>
-#ifndef SYS_pread
-#define SYS_pread 180
-#endif
-static int pread(unsigned int fd, void *buf, size_t size, loff_t where)
-{ return syscall(SYS_pread, fd, buf, size, where); }
-#ifndef SYS_pwrite
-#define SYS_pwrite 181
-#endif
-static int pwrite(unsigned int fd, void *buf, size_t size, loff_t where)
-{ return syscall(SYS_pwrite, fd, buf, size, where); }
-
-#elif defined(i386)
-/* old libc on i386 -> call syscalls directly the old way */
-#include <asm/unistd.h>
-static _syscall5(int, pread, unsigned int, fd, void *, buf, size_t, size, u32, where_lo, u32, where_hi);
-static _syscall5(int, pwrite, unsigned int, fd, void *, buf, size_t, size, u32, where_lo, u32, where_hi);
-static int do_read(struct pci_dev *d UNUSED, int fd, void *buf, size_t size, int where) { return pread(fd, buf, size, where, 0); }
-static int do_write(struct pci_dev *d UNUSED, int fd, void *buf, size_t size, int where) { return pwrite(fd, buf, size, where, 0); }
-#define HAVE_DO_READ
-
-#else
-/* In all other cases we use lseek/read/write instead to be safe */
-#define make_rw_glue(op) \
-	static int do_##op(struct pci_dev *d, int fd, void *buf, size_t size, int where)	\
-	{											\
-	  struct pci_access *a = d->access;							\
-	  int r;										\
-	  if (a->fd_pos != where && lseek(fd, where, SEEK_SET) < 0)				\
-	    return -1;										\
-	  r = op(fd, buf, size);								\
-	  if (r < 0)										\
-	    a->fd_pos = -1;									\
-	  else											\
-	    a->fd_pos = where + r;								\
-	  return r;										\
-	}
-make_rw_glue(read)
-make_rw_glue(write)
-#define HAVE_DO_READ
-#endif
-
 #ifndef HAVE_DO_READ
 #define do_read(d,f,b,l,p) pread(f,b,l,p)
 #define do_write(d,f,b,l,p) pwrite(f,b,l,p)