diff options
author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-06-11 14:54:23 +0000 |
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committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-06-11 14:54:23 +0000 |
commit | a999490fe3832b0706816890eccfe6699b4737aa (patch) | |
tree | 576be89cd28851127c4334139af024f500ac20be /io.c | |
parent | 2dc5f35a3a1baabeed4d13bfee1ee6b504d45cf9 (diff) |
* io.c (io_fread): bypass buffered read if reading buffer is empty.
* io.c (remain_size): do not add extra one byte.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@17098 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'io.c')
-rw-r--r-- | io.c | 16 |
1 files changed, 15 insertions, 1 deletions
@@ -1298,6 +1298,20 @@ io_fread(VALUE str, long offset, rb_io_t *fptr) long n = len; int c; + if (READ_DATA_PENDING(fptr) == 0) { + while (n > 0) { + c = rb_read_internal(fptr->fd, RSTRING_PTR(str)+offset, n); + if (c == 0) break; + if (c < 0) { + rb_sys_fail(fptr->path); + } + offset += c; + if ((n -= c) <= 0) break; + rb_thread_wait_fd(fptr->fd); + } + return len - n; + } + while (n > 0) { c = read_buffered_data(RSTRING_PTR(str)+offset, n, fptr); if (c > 0) { @@ -1347,7 +1361,7 @@ remain_size(rb_io_t *fptr) io_fflush(fptr); pos = lseek(fptr->fd, 0, SEEK_CUR); if (st.st_size >= pos && pos >= 0) { - siz += st.st_size - pos + 1; + siz += st.st_size - pos; if (siz > LONG_MAX) { rb_raise(rb_eIOError, "file too big for single read"); } |