Mercurial > hg > octave-lojdl > gnulib-hg
changeset 8749:6f41e2822863
Warn when fseek or ftell are used.
| author | Bruno Haible <bruno@clisp.org> |
|---|---|
| date | Sat, 28 Apr 2007 23:02:00 +0000 |
| parents | cecd0b715bab |
| children | 67a7b3fd6cf2 |
| files | ChangeLog lib/stdio_.h |
| diffstat | 2 files changed, 26 insertions(+), 0 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2007-04-28 Bruno Haible <bruno@clisp.org> + + * lib/stdio_.h (fseek, ftell): Provide link warnings suggesting to use + fseeko and ftello. + Suggested by Eric Blake. + 2007-04-28 Jim Meyering <jim@meyering.net> Avoid false-negative in gl_STDINT_H's C99 conformance test.
--- a/lib/stdio_.h +++ b/lib/stdio_.h @@ -231,6 +231,16 @@ 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 !@HAVE_FTELLO@ /* Assume 'off_t' is the same type as 'long'. */ @@ -245,6 +255,16 @@ 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