Date: Tue, 12 Jul 2011 00:31:11 +0000 (UTC) From: "David E. O'Brien" <obrien@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r223940 - head/usr.bin/wall Message-ID: <201107120031.p6C0VB59015314@svn.freebsd.org>
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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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