diff options
| author | Todd C. Miller <millert@cvs.openbsd.org> | 2003-04-02 02:43:51 +0000 |
|---|---|---|
| committer | Todd C. Miller <millert@cvs.openbsd.org> | 2003-04-02 02:43:51 +0000 |
| commit | ca9c39bf9901fbe7a7ac616f4eb0513fdaac53be (patch) | |
| tree | c76887e4109adcf8e3b5105b2f4b3e862d712114 | |
| parent | 9ccb22ca28a69990f6aa8a89dfb8c536531cbda9 (diff) | |
use strlcpy(); assumes buf is at least ndigit bytes long which is as
safe as we can get. deraadt@ OK
| -rw-r--r-- | lib/libc/stdlib/gcvt.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/lib/libc/stdlib/gcvt.c b/lib/libc/stdlib/gcvt.c index c1a96b17a59..fda487d729a 100644 --- a/lib/libc/stdlib/gcvt.c +++ b/lib/libc/stdlib/gcvt.c @@ -1,4 +1,4 @@ -/* $OpenBSD: gcvt.c,v 1.1 2002/12/02 15:38:54 millert Exp $ */ +/* $OpenBSD: gcvt.c,v 1.2 2003/04/02 02:43:50 millert Exp $ */ /* * Copyright (c) 2002 Todd C. Miller <Todd.Miller@courtesan.com> @@ -28,7 +28,7 @@ */ #if defined(LIBC_SCCS) && !defined(lint) -static char rcsid[] = "$OpenBSD: gcvt.c,v 1.1 2002/12/02 15:38:54 millert Exp $"; +static char rcsid[] = "$OpenBSD: gcvt.c,v 1.2 2003/04/02 02:43:50 millert Exp $"; #endif /* LIBC_SCCS and not lint */ #include <stdio.h> @@ -49,8 +49,11 @@ gcvt(double value, int ndigit, char *buf) } digits = __dtoa(value, 2, ndigit, &decpt, &sign, NULL); - if (decpt == 9999) - return (strcpy(buf, digits)); + if (decpt == 9999) { + /* Infinity or NaN, assume buffer is at least ndigit long. */ + strlcpy(buf, digits, ndigit); + return (buf); + } dst = buf; if (sign) |