[devel] Re: LFS

[Alexey Tourbin <at@altlinux.ru>]

[-- Attachment #1: Type: text/plain, Size: 2654 bytes --]

On Thu, May 12, 2005 at 07:31:47PM +0400, Alexey I. Froloff wrote:
> * Alexey Tourbin <at@> [050512 19:08]:
> > > > По поводу https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=125064
> > > > Не включить ли поддержку LFS в %optflags по умолчанию?
> > > Нет, спасибо.
> > Обоснование?
> А не сорвёт ли крышу произвольной программе от этого?

Обоснуй.  Каким именно образом произвольной программе может сорвать крышу?

$ cat test.c
#include <stdio.h>
$ diff -u =(gcc -E test.c) =(gcc -E -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 test.c) 
--- /proc/self/fd/11	2005-05-12 19:49:59 +0400
+++ /proc/self/fd/12	2005-05-12 19:49:59 +0400
@@ -518,9 +518,9 @@
 # 86 "/usr/include/stdio.h" 3 4
 
 
-typedef _G_fpos_t fpos_t;
 
 
+typedef _G_fpos64_t fpos_t;
 
 
 # 138 "/usr/include/stdio.h" 3 4
@@ -548,12 +548,8 @@
 
 
 
-
-
-
-
-
-extern FILE *tmpfile (void);
+# 169 "/usr/include/stdio.h" 3 4
+extern FILE *tmpfile (void) __asm__ ("" "tmpfile64");
 # 180 "/usr/include/stdio.h" 3 4
 extern char *tmpnam (char *__s) ;
 
@@ -584,21 +580,17 @@
 extern int fflush_unlocked (FILE *__stream);
 # 237 "/usr/include/stdio.h" 3 4
 
+# 254 "/usr/include/stdio.h" 3 4
+extern FILE *fopen (__const char *__restrict __filename, __const char *__restrict __modes) __asm__ ("" "fopen64");
 
+extern FILE *freopen (__const char *__restrict __filename, __const char *__restrict __modes, FILE *__restrict __stream) __asm__ ("" "freopen64");
 
 
 
 
-extern FILE *fopen (__const char *__restrict __filename,
-      __const char *__restrict __modes);
-
 
 
 
-extern FILE *freopen (__const char *__restrict __filename,
-        __const char *__restrict __modes,
-        FILE *__restrict __stream);
-# 264 "/usr/include/stdio.h" 3 4
 
 # 275 "/usr/include/stdio.h" 3 4
 extern FILE *fdopen (int __fd, __const char *__modes) ;
@@ -823,20 +815,29 @@
 
 extern void rewind (FILE *__stream);
 
-# 688 "/usr/include/stdio.h" 3 4
+# 677 "/usr/include/stdio.h" 3 4
+extern int fseeko (FILE *__stream, __off64_t __off, int __whence) __asm__ ("" "fseeko64");
+
+
+extern __off64_t ftello (FILE *__stream) __asm__ ("" "ftello64");
+
+
+
+
+
 
 
 
+# 702 "/usr/include/stdio.h" 3 4
+extern int fgetpos (FILE *__restrict __stream, fpos_t *__restrict __pos) __asm__ ("" "fgetpos64");
 
+extern int fsetpos (FILE *__stream, __const fpos_t *__pos) __asm__ ("" "fsetpos64");
 
 
-extern int fgetpos (FILE *__restrict __stream, fpos_t *__restrict __pos);
 
 
 
 
-extern int fsetpos (FILE *__stream, __const fpos_t *__pos);
-# 711 "/usr/include/stdio.h" 3 4
 
 # 720 "/usr/include/stdio.h" 3 4
 

[-- Attachment #2: Type: application/pgp-signature, Size: 189 bytes --]