From 4e4e65a1480fac429c27ae4ea6712609ebc16a0c Mon Sep 17 00:00:00 2001 From: glass Date: Tue, 31 Dec 2013 12:25:16 +0000 Subject: [PATCH] * io.c (io_fwrite): allocate frozen str only when str is not converted. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44471 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ChangeLog | 4 ++++ io.c | 10 ++++++---- 2 files changed, 10 insertions(+), 4 deletions(-) diff --git a/ChangeLog b/ChangeLog index 5d3ebaeaf5..6921009076 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,7 @@ +Tue Dec 31 21:02:27 2013 Masaki Matsushita + + * io.c (io_fwrite): allocate frozen str only when str is not converted. + Tue Dec 31 15:44:48 2013 Nobuyoshi Nakada * lib/mkmf.rb (RbConfig): expand RUBY_SO_NAME for extensions diff --git a/io.c b/io.c index 5aa720b6a7..e7464150d9 100644 --- a/io.c +++ b/io.c @@ -1291,7 +1291,7 @@ io_binwrite(VALUE str, const char *ptr, long len, rb_io_t *fptr, int nosync) # define MODE_BTMODE(a,b,c) ((fmode & FMODE_BINMODE) ? (b) : \ (fmode & FMODE_TEXTMODE) ? (c) : (a)) static VALUE -do_writeconv(VALUE str, rb_io_t *fptr) +do_writeconv(VALUE str, rb_io_t *fptr, int *converted) { if (NEED_WRITECONV(fptr)) { VALUE common_encoding = Qnil; @@ -1319,10 +1319,12 @@ do_writeconv(VALUE str, rb_io_t *fptr) if (!NIL_P(common_encoding)) { str = rb_str_encode(str, common_encoding, fptr->writeconv_pre_ecflags, fptr->writeconv_pre_ecopts); + *converted = 1; } if (fptr->writeconv) { str = rb_econv_str_convert(fptr->writeconv, str, ECONV_PARTIAL_INPUT); + *converted = 1; } } #if defined(RUBY_TEST_CRLF_ENVIRONMENT) || defined(_WIN32) @@ -1348,13 +1350,15 @@ do_writeconv(VALUE str, rb_io_t *fptr) static long io_fwrite(VALUE str, rb_io_t *fptr, int nosync) { + int converted = 0; #ifdef _WIN32 if (fptr->mode & FMODE_TTY) { long len = rb_w32_write_console(str, fptr->fd); if (len > 0) return len; } #endif - str = do_writeconv(str, fptr); + str = do_writeconv(str, fptr, &converted); + if (!converted) str = rb_str_new_frozen(str); return io_binwrite(str, RSTRING_PTR(str), RSTRING_LEN(str), fptr, nosync); } @@ -1386,8 +1390,6 @@ io_write(VALUE io, VALUE str, int nosync) io = tmp; if (RSTRING_LEN(str) == 0) return INT2FIX(0); - str = rb_str_new_frozen(str); - GetOpenFile(io, fptr); rb_io_check_writable(fptr);