diff options
Diffstat (limited to 'string.c')
| -rw-r--r-- | string.c | 24 |
1 files changed, 24 insertions, 0 deletions
@@ -2661,15 +2661,37 @@ rb_str_chomp_bang(argc, argv, str) long len = RSTRING(str)->len; if (rb_scan_args(argc, argv, "01", &rs) == 0) { + if (len == 0) return Qnil; rs = rb_rs; + if (rs == rb_default_rs) { + smart_chomp: + rb_str_modify(str); + if (RSTRING(str)->ptr[len-1] == '\n') { + RSTRING(str)->len--; + if (RSTRING(str)->len > 0 && + RSTRING(str)->ptr[RSTRING(str)->len-1] == '\r') { + RSTRING(str)->len--; + } + return str; + } + else if (RSTRING(str)->ptr[len-1] == '\r') { + RSTRING(str)->len--; + return str; + } + return Qnil; + } } if (NIL_P(rs)) return Qnil; + if (len == 0) return Qnil; StringValue(rs); + rb_str_modify(str); rslen = RSTRING(rs)->len; if (rslen == 0) { while (len>0 && p[len-1] == '\n') { len--; + if (len>0 && p[len-1] == '\r') + len--; } if (len < RSTRING(str)->len) { rb_str_modify(str); @@ -2681,6 +2703,8 @@ rb_str_chomp_bang(argc, argv, str) } if (rslen > len) return Qnil; newline = RSTRING(rs)->ptr[rslen-1]; + if (rslen == 1 && newline == '\n') + goto smart_chomp; if (p[len-1] == newline && (rslen <= 1 || |