diff options
author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2004-10-01 15:56:05 +0000 |
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committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2004-10-01 15:56:05 +0000 |
commit | 1b4d97ddba6b3190a4aecad2c6159e6ecd63604e (patch) | |
tree | bc13d8db7a8b41ff261c473ce6501751bf98cf8b /io.c | |
parent | 8e292f628567bad4b7e67d0fea28138785775651 (diff) | |
download | ruby-1b4d97ddba6b3190a4aecad2c6159e6ecd63604e.tar.gz |
* string.c (rb_str_sum): string may be altered. [ruby-dev:24381]
* eval.c (rb_f_eval): defer pointer retrieval to prevent unsafe
sourcefile string modification. [ruby-dev:24373]
* io.c (io_read): block string buffer modification during
rb_io_fread() by freezing it temporarily. [ruby-dev:24366]
* io.c (rb_io_s_popen): mode argument may be altered.
[ruby-dev:24375]
* file.c (rb_file_s_basename): ext argument may be altered.
[ruby-dev:24377]
* enum.c (enum_sort_by): use NODE instead of 2 element arrays.
[ruby-dev:24378]
* string.c (rb_str_chomp_bang): StringValue() may change the
receiver. [ruby-dev:24371]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6976 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'io.c')
-rw-r--r-- | io.c | 6 |
1 files changed, 5 insertions, 1 deletions
@@ -1194,11 +1194,13 @@ io_read(argc, argv, io) StringValue(str); rb_str_modify(str); rb_str_resize(str,len); + FL_SET(str, FL_FREEZE); } if (len == 0) return str; READ_CHECK(fptr->f); n = rb_io_fread(RSTRING(str)->ptr, len, fptr->f); + FL_UNSET(str, FL_FREEZE); if (n == 0) { rb_str_resize(str,0); if (!fptr->f) return Qnil; @@ -2972,7 +2974,9 @@ rb_io_s_popen(argc, argv, klass) mode = rb_io_modenum_mode(FIX2INT(pmode), mbuf); } else { - mode = StringValuePtr(pmode); + strncpy(mbuf, StringValuePtr(pmode), sizeof(mbuf) - 1); + mbuf[sizeof(mbuf) - 1] = 0; + mode = mbuf; } tmp = rb_check_array_type(pname); if (!NIL_P(tmp)) { |