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author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-01-08 06:04:26 +0000 |
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committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-01-08 06:04:26 +0000 |
commit | 389abf1b3b9e65b5944fa3616bea93259b137a92 (patch) | |
tree | c0509023ea5b2a24c2b0ec76d2326fe32c07dd0f /string.c | |
parent | 893ee3097885c83df17273d7de5ed54438de5d20 (diff) | |
download | ruby-389abf1b3b9e65b5944fa3616bea93259b137a92.tar.gz |
* string.c (str_gsub): avoid appending empty pre-match substr.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14944 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'string.c')
-rw-r--r-- | string.c | 4 |
1 files changed, 3 insertions, 1 deletions
@@ -2720,7 +2720,9 @@ str_gsub(int argc, VALUE *argv, VALUE str, int bang) if (OBJ_TAINTED(val)) tainted = 1; len = beg - offset; /* copy pre-match substr */ - rb_enc_str_buf_cat(dest, cp, len, str_enc); + if (len) { + rb_enc_str_buf_cat(dest, cp, len, str_enc); + } rb_str_buf_append(dest, val); |