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-rw-r--r--string.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/string.c b/string.c
index aac1f2bf6c..464bb49c07 100644
--- a/string.c
+++ b/string.c
@@ -946,6 +946,8 @@ rb_str_equal(str1, str2)
return Qfalse;
}
+#define IS_EVSTR(p,e) ((p) < (e) && (*(p) == '$' || *(p) == '@' || *(p) == '{'))
+
/*
* call-seq:
* str.eql?(other) => true or false
@@ -2568,7 +2570,7 @@ rb_str_inspect(str)
rb_str_buf_cat(result, p - 1, len);
p += len - 1;
}
- else if (c == '"'|| c == '\\') {
+ else if (c == '"'|| c == '\\' || (c == '#' && IS_EVSTR(p, pend))) {
s[0] = '\\'; s[1] = c;
rb_str_buf_cat(result, s, 2);
}
@@ -2640,11 +2642,15 @@ rb_str_dump(str)
switch (c) {
case '"': case '\\':
case '\n': case '\r':
- case '\t': case '\f': case '#':
+ case '\t': case '\f':
case '\013': case '\007': case '\033':
len += 2;
break;
+ case '#':
+ len += IS_EVSTR(p, pend) ? 2 : 1;
+ break;
+
default:
if (ISPRINT(c)) {
len++;
@@ -2669,7 +2675,7 @@ rb_str_dump(str)
*q++ = c;
}
else if (c == '#') {
- *q++ = '\\';
+ if (IS_EVSTR(p, pend)) *q++ = '\\';
*q++ = '#';
}
else if (ISPRINT(c)) {