diff options
| author | tjr <tjr@FreeBSD.org> | 2002-10-16 11:37:38 +0000 |
|---|---|---|
| committer | tjr <tjr@FreeBSD.org> | 2002-10-16 11:37:38 +0000 |
| commit | ccd9275d4ea58567606a870a1c0faabbbabd889b (patch) | |
| tree | 26381dc2c8f2afcccd8979d711a33ab0f820c273 /lib/libc | |
| parent | 1ff9dd778b578b4c35ac8c79b4d8289b24b4653b (diff) | |
| download | FreeBSD-src-ccd9275d4ea58567606a870a1c0faabbbabd889b.zip FreeBSD-src-ccd9275d4ea58567606a870a1c0faabbbabd889b.tar.gz | |
Avoid truncating invalid wide characters that are outside the range of
'unsigned char'; signal an error instead.
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/locale/none.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/libc/locale/none.c b/lib/libc/locale/none.c index f062f90..1b1dc70 100644 --- a/lib/libc/locale/none.c +++ b/lib/libc/locale/none.c @@ -40,6 +40,7 @@ static char sccsid[] = "@(#)none.c 8.1 (Berkeley) 6/4/93"; #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); +#include <limits.h> #include <stddef.h> #include <stdio.h> #include <rune.h> @@ -82,8 +83,14 @@ _none_sputrune(c, string, n, result) size_t n; { if (n >= 1) { - if (string) + if (string) { + if (c < 0 || c > UCHAR_MAX) { + if (result) + *result = NULL; + return (0); + } *string = c; + } if (result) *result = string + 1; } else if (result) |
