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authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2003-11-30 00:35:28 +0000
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2003-11-30 00:35:28 +0000
commita5031810492e168e0a834521112f42777d431506 (patch)
tree4da7d18d9e8e2f21a7582c96c8bb983956678586 /string.c
parent5eaf7e581661ea92c0468eb239ece86b27187ade (diff)
* string.c (rb_str_update): get rid of SEGV at just allocated String.
[ruby-core:01812] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5058 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'string.c')
-rw-r--r--string.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/string.c b/string.c
index eebc61c..d0ccce7 100644
--- a/string.c
+++ b/string.c
@@ -1314,7 +1314,9 @@ rb_str_update(str, beg, len, val)
memmove(RSTRING(str)->ptr+beg, RSTRING(val)->ptr, RSTRING(val)->len);
}
RSTRING(str)->len += RSTRING(val)->len - len;
- RSTRING(str)->ptr[RSTRING(str)->len] = '\0';
+ if (RSTRING(str)->ptr) {
+ RSTRING(str)->ptr[RSTRING(str)->len] = '\0';
+ }
OBJ_INFECT(str, val);
}