Mercurial > hg > octave-lojdl > gnulib-hg
changeset 5790:9c7ebeafbfa7
Add comment about possible integer overflow.
| author | Bruno Haible <bruno@clisp.org> |
|---|---|
| date | Mon, 11 Apr 2005 11:52:27 +0000 |
| parents | d6cfe90c3014 |
| children | 2ef479ccc298 |
| files | lib/mbswidth.c |
| diffstat | 1 files changed, 5 insertions(+), 3 deletions(-) [+] |
line wrap: on
line diff
--- a/lib/mbswidth.c +++ b/lib/mbswidth.c @@ -1,5 +1,5 @@ /* Determine the number of screen columns needed for a string. - Copyright (C) 2000-2004 Free Software Foundation, Inc. + Copyright (C) 2000-2005 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -91,7 +91,8 @@ character string pointed to by STRING. If a non-printable character occurs, and MBSW_REJECT_UNPRINTABLE is specified, -1 is returned. With flags = MBSW_REJECT_INVALID | MBSW_REJECT_UNPRINTABLE, this is - the multibyte analogue of the wcswidth function. */ + the multibyte analogue of the wcswidth function. + If STRING is not of length < INT_MAX / 2, integer overflow can occur. */ int mbswidth (const char *string, int flags) { @@ -101,7 +102,8 @@ /* Returns the number of columns needed to represent the multibyte character string pointed to by STRING of length NBYTES. If a non-printable character occurs, and MBSW_REJECT_UNPRINTABLE is - specified, -1 is returned. */ + specified, -1 is returned. + If NBYTES is not < INT_MAX / 2, integer overflow can occur. */ int mbsnwidth (const char *string, size_t nbytes, int flags) {