diff options
Diffstat (limited to 'lgl/unistd_.h')
| -rw-r--r-- | lgl/unistd_.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/lgl/unistd_.h b/lgl/unistd_.h index fb25d31277..4112507445 100644 --- a/lgl/unistd_.h +++ b/lgl/unistd_.h @@ -176,6 +176,25 @@ extern int getlogin_r (char *name, size_t size); #endif +#if @GNULIB_LSEEK@ +# if @REPLACE_LSEEK@ +/* Set the offset of FD relative to SEEK_SET, SEEK_CUR, or SEEK_END. + Return the new offset if successful, otherwise -1 and errno set. + See the POSIX:2001 specification + <http://www.opengroup.org/susv3xsh/lseek.html>. */ +# define lseek rpl_lseek + extern off_t lseek (int fd, off_t offset, int whence); +# endif +#elif defined GNULIB_POSIXCHECK +# undef lseek +# define lseek(f,o,w) \ + (GL_LINK_WARNING ("lseek does not fail with ESPIPE on non-seekable " \ + "files on some systems - " \ + "use gnulib module lseek for portability"), \ + lseek (f, o, w)) +#endif + + #if @GNULIB_READLINK@ /* Read the contents of the symbolic link FILE and place the first BUFSIZE bytes of it into BUF. Return the number of bytes placed into BUF if |