diff options
Diffstat (limited to 'usr.bin/write')
| -rw-r--r-- | usr.bin/write/write.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/usr.bin/write/write.c b/usr.bin/write/write.c index 8bf8ab6..fdd4827 100644 --- a/usr.bin/write/write.c +++ b/usr.bin/write/write.c @@ -301,7 +301,7 @@ done() * turns \n into \r\n */ wr_fputs(s) - register char *s; + register unsigned char *s; { #define PUTC(c) if (putchar(c) == EOF) goto err; @@ -309,12 +309,18 @@ wr_fputs(s) for (; *s != '\0'; ++s) { if (*s == '\n') { PUTC('\r'); - PUTC('\n'); } else if (!isprint(*s) && !isspace(*s) && *s != '\007') { - PUTC('^'); - PUTC((*s^0x40)&~0x80); /* DEL to ?, others to alpha */ - } else - PUTC(*s); + if (*s & 0x80) { + *s &= ~0x80; + PUTC('M'); + PUTC('-'); + } + if (iscntrl(*s)) { + *s ^= 0x40; + PUTC('^'); + } + } + PUTC(*s); } return; |
