diff options
Diffstat (limited to 'ext')
-rw-r--r-- | ext/iconv/iconv.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/ext/iconv/iconv.c b/ext/iconv/iconv.c index ed4db14993..00db78194e 100644 --- a/ext/iconv/iconv.c +++ b/ext/iconv/iconv.c @@ -169,14 +169,17 @@ iconv_create } if (cd == (iconv_t)-1) { int inval = errno == EINVAL; - volatile VALUE msg = rb_str_new2("iconv(\"" + (inval ? 5 : 0)); - char *s; - - rb_str_buf_cat2(rb_str_buf_append(msg, to), "\", \""); - rb_str_buf_cat2(rb_str_buf_append(msg, from), "\")"); - s = StringValuePtr(msg); + char *s = inval ? "invalid encoding " : "iconv"; + volatile VALUE msg = rb_str_new(0, strlen(s) + RSTRING(to)->len + + RSTRING(from)->len + 8); + + sprintf(RSTRING(msg)->ptr, "%s(\"%s\", \"%s\")", + s, RSTRING(to)->ptr, RSTRING(from)->ptr); + s = RSTRING(msg)->ptr; + RSTRING(msg)->len = strlen(s); if (!inval) rb_sys_fail(s); - rb_raise(rb_eIconvInvalidEncoding, "invalid encoding %s", s); + iconv_fail(rb_eIconvInvalidEncoding, + Qnil, rb_ary_new3(2, to, from), NULL, s); } } |