Eric Blake wrote:
> Should we also add a link warning for programs that use fseek/ftell
> instead of fseeko/ftello, telling the user they are potentially
> artificially limited by not using off_t?
Yes. This implements your suggestion.
2007-04-28 Bruno Haible <[EMAIL PROTECTED]>
* lib/stdio_.h (fseek, ftell): Provide link warnings suggesting to use
fseeko and ftello.
Suggested by Eric Blake.
*** lib/stdio_.h 27 Apr 2007 11:09:11 -0000 1.22
--- lib/stdio_.h 28 Apr 2007 23:00:32 -0000
***************
*** 231,236 ****
--- 231,246 ----
fseeko (f, o, w))
#endif
+ #if defined GNULIB_POSIXCHECK
+ # ifndef fseek
+ # define fseek(f,o,w) \
+ (GL_LINK_WARNING ("fseek cannot handle files larger than 4 GB " \
+ "on 32-bit platforms - " \
+ "use fseeko function for handling of large files"), \
+ fseek (f, o, w))
+ # endif
+ #endif
+
#if @GNULIB_FTELLO@
# if [EMAIL PROTECTED]@
/* Assume 'off_t' is the same type as 'long'. */
***************
*** 245,250 ****
--- 255,270 ----
ftello (f))
#endif
+ #if defined GNULIB_POSIXCHECK
+ # ifndef ftell
+ # define ftell(f) \
+ (GL_LINK_WARNING ("ftell cannot handle files larger than 4 GB " \
+ "on 32-bit platforms - " \
+ "use ftello function for handling of large files"), \
+ ftell (f))
+ # endif
+ #endif
+
#if @GNULIB_FFLUSH@
# if @REPLACE_FFLUSH@
# define fflush rpl_fflush
