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unsigned char cast to ctype macros

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This commit is contained in:
Andrey A. Chernov 1999-11-04 04:35:33 +00:00
parent 9ea99d349b
commit 3fb85bff81
1 changed files with 3 additions and 1 deletions
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4
lib/libc/net/rcmd.c
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@ -29,6 +29,8 @@
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#if defined(LIBC_SCCS) && !defined(lint)
@ -408,7 +410,7 @@ __ivaliduser(hostf, raddr, luser, ruser)
continue;
}
while (*p != '\n' && *p != ' ' && *p != '\t' && *p != '\0') {
*p = isupper(*p) ? tolower(*p) : *p;
*p = isupper((unsigned char)*p) ? tolower((unsigned char)*p) : *p;
p++;
}
if (*p == ' ' || *p == '\t') {