Author: obrien
Date: Tue Jul 12 00:31:11 2011
New Revision: 223940
URL: http://svn.freebsd.org/changeset/base/223940

Log:
  If one's message is longer than the buffer size, then we reset 'cnt' at the
  wrong point and the actual column # get out of sync across the buffer size.

Modified:
  head/usr.bin/wall/wall.c

Modified: head/usr.bin/wall/wall.c
==============================================================================
--- head/usr.bin/wall/wall.c    Mon Jul 11 22:01:39 2011        (r223939)
+++ head/usr.bin/wall/wall.c    Tue Jul 12 00:31:11 2011        (r223940)
@@ -239,8 +239,9 @@ makemsg(char *fname)
                        err(1, "can't read %s", fname);
                setegid(egid);
        }
+       cnt = 0;
        while (fgets(lbuf, sizeof(lbuf), stdin)) {
-               for (cnt = 0, p = lbuf; (ch = *p) != '\0'; ++p, ++cnt) {
+               for (p = lbuf; (ch = *p) != '\0'; ++p, ++cnt) {
                        if (ch == '\r') {
                                putc('\r', fp);
                                cnt = 0;
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