diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-11-17 12:39:21 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-11-17 12:39:21 +0000 |
| commit | 679d3934fc583ba23a2e23dfcd681e41dceb8317 (patch) | |
| tree | 8bb00edaedccd954114eea5488d68cbebdc98246 /usr.bin/write/write.c | |
| parent | 7db130be2bc286e264d56e8117270e14a1ded88f (diff) | |
handle meta characters; good security idea from freebsd
Diffstat (limited to 'usr.bin/write/write.c')
| -rw-r--r-- | usr.bin/write/write.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/usr.bin/write/write.c b/usr.bin/write/write.c index 3dc298f8cd1..00d5e169e2e 100644 --- a/usr.bin/write/write.c +++ b/usr.bin/write/write.c @@ -304,12 +304,17 @@ wr_fputs(s) c = toascii(*s); if (c == '\n') { PUTC('\r'); - PUTC('\n'); } else if (!isprint(c) && !isspace(c) && c != '\007') { - PUTC('^'); - PUTC(c^0x40); /* DEL to ?, others to alpha */ - } else - PUTC(c); + if (c & 0x80) { + PUTC('M'); + PUTC('-'); + c &= ~0x80; + } else { + PUTC('^'); + c &= ~0x40; + } + } + PUTC(c); } return; |