diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | vsnprintf.c | 1 |
2 files changed, 6 insertions, 0 deletions
@@ -1,3 +1,8 @@ +Wed Jan 19 02:54:04 2011 NARUSE, Yui <naruse@ruby-lang.org> + + * vsnprintf.c (cvt): set first byte of buf to NUL for the case when + no bytes are written to the buf. [ruby-dev:43062] + Tue Jan 18 23:04:51 2011 Tanaka Akira <akr@fsij.org> * gc.h: parenthesize macro arguments. diff --git a/vsnprintf.c b/vsnprintf.c index 7c4d4a9749..79bde9f485 100644 --- a/vsnprintf.c +++ b/vsnprintf.c @@ -1197,6 +1197,7 @@ cvt(value, ndigits, flags, sign, decpt, ch, length, buf) else { digits = BSD__dtoa(value, mode, ndigits, decpt, &dsgn, &rve); } + buf[0] = 0; /* rve - digits may be 0 */ memcpy(buf, digits, rve - digits); xfree(digits); rve = buf + (rve - digits); |