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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-07-09 07:19:43 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-07-09 07:19:43 +0000 |
commit | 92a04a491505e6e72630d10cdc952903e811d270 (patch) | |
tree | 57b6a421356fd3c8b472f1b146b60bb65923cdf2 /io.c | |
parent | 209314c274f3bdf8b7167ca0f9482fbf08cc9af6 (diff) | |
download | ruby-92a04a491505e6e72630d10cdc952903e811d270.tar.gz |
io.c: refine error message
* io.c (do_io_advise): more precise error message, with arguments.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46766 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'io.c')
-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; |