diff options
-rw-r--r-- | io.c | 14 |
1 files changed, 13 insertions, 1 deletions
@@ -65,6 +65,13 @@ #if !HAVE_OFF_T && !defined(off_t) # define off_t long #endif +#if SIZEOF_OFF_T > SIZEOF_LONG && defined(HAVE_LONG_LONG) +# define PRI_OFF_T_PREFIX "ll" +#elif SIZEOF_OFF_T == SIZEOF_LONG +# define PRI_OFF_T_PREFIX "l" +#else +# define PRI_OFF_T_PREFIX "" +#endif #include <sys/stat.h> @@ -8507,7 +8514,12 @@ do_io_advise(rb_io_t *fptr, VALUE advice, off_t offset, off_t len) if (rv) { /* posix_fadvise(2) doesn't set errno. On success it returns 0; otherwise it returns the error code. */ - rb_syserr_fail_str(rv, fptr->pathv); + VALUE message = rb_sprintf("%"PRIsVALUE" " + "(%"PRI_OFF_T_PREFIX"d, " + "%"PRI_OFF_T_PREFIX"d, " + "%"PRIsVALUE")", + fptr->pathv, offset, len, advice); + rb_syserr_fail_str(rv, message); } return Qnil; |