diplodocus.org Git - nmh/blob - docs/historical/mh-6.8.5/uip/RCS/ttym.c,v

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   9 date    92.02.03.17.57.22;      author jromine; state Exp;
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  14 date    92.02.03.16.36.16;      author jromine; state Exp;
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  39 desc
  40 @@
  41
  42
  43 1.6
  44 log
  45 @STDC/SYS5/getpw
  46 @
  47 text
  48 @/* ttym.c - miscellaneous routines */
  49 #ifndef lint
  50 static char ident[] = "@@(#)$Id: ttym.c,v 1.5 1992/02/03 16:36:16 jromine Exp jromine $";
  51 #endif  lint
  52
  53 #include <pwd.h>
  54 #ifndef NSIG
  55 #include <signal.h>
  56 #endif  NSIG
  57 #include <sys/time.h>
  58
  59 static int  ttyf ();
  60
  61 /* \f */
  62
  63 static  ttym (fd, command, line, user, vec)
  64 int     fd;
  65 char   *command,
  66        *line,
  67        *user,
  68       **vec;
  69 {
  70     TYPESIG     (*pstat) ();
  71     char   *ap,
  72            *term,
  73            *myself,
  74            *getlogin (),
  75            *rindex (),
  76            *ttyname ();
  77     struct passwd  *pw;
  78 #ifndef __STDC__
  79 #ifdef  SYS5
  80     struct passwd  *getpwuid ();
  81 #endif
  82 #endif /* !__STDC__ */
  83
  84     if ((term = ap = ttyname (2)) && (term = rindex (term, '/')))
  85         term++;
  86     if (term == NULL || *term == NULL)
  87         term = ap;
  88     if ((myself = getlogin ()) == NULL || *myself == NULL)
  89         myself = (pw = getpwuid (getuid ())) ? pw -> pw_name : NULL;
  90
  91     pstat = signal (SIGPIPE, SIG_IGN);
  92     (void) write (fd, command, strlen (command));
  93     (void) write (fd, "", 1);
  94
  95     if (term)
  96         (void) write (fd, term, strlen (term));
  97     (void) write (fd, "", 1);
  98
  99     if (myself)
 100         (void) write (fd, myself, strlen (myself));
 101     (void) write (fd, "", 1);
 102
 103     if (line && *line)
 104         (void) write (fd, line, strlen (line));
 105     (void) write (fd, "", 1);
 106
 107     if (user && *user)
 108         (void) write (fd, user, strlen (user));
 109     (void) write (fd, "", 1);
 110
 111     if (vec)
 112         while (ap = *vec++) {
 113             (void) write (fd, ap, strlen (ap));
 114             (void) write (fd, "", 1);
 115         }
 116
 117     (void) write (fd, "", 1);
 118     (void) signal (SIGPIPE, pstat);
 119 }
 120
 121 /* \f */
 122
 123 static int  ttyv (fd)
 124 int     fd;
 125 {
 126     int     ifds,
 127             nbits;
 128     char    c;
 129     struct timeval tv;
 130
 131     ifds = 1 << fd;
 132     nbits = getdtablesize();
 133     tv.tv_sec = SMLWAIT;
 134     tv.tv_usec = 0;
 135     if (select (nbits, &ifds, (int *) 0, (int *) 0, &tv) <= 0
 136             || read (fd, &c, 1) != 1)
 137         return NOTOK;
 138     if (c == NULL)
 139         return fd;
 140     putc (c, stderr);
 141
 142     (void) ttyf (fd, stderr);
 143     return NOTOK;
 144 }
 145
 146
 147 static int  ttyf (fd, f)
 148 int     fd;
 149 FILE * f;
 150 {
 151     int     i;
 152     char    buffer[BUFSIZ];
 153
 154     while ((i = read (fd, buffer, sizeof buffer)) > 0)
 155         (void) fwrite (buffer, sizeof (char), i, f);
 156     return i;
 157 }
 158 @
 159
 160
 161 1.5
 162 log
 163 @fix
 164 @
 165 text
 166 @d3 1
 167 a3 1
 168 static char ident[] = "@@(#)$Id: ttym.c,v 1.4 1990/04/05 15:03:23 sources Exp jromine $";
 169 d32 1
 170 d34 1
 171 @
 172
 173
 174 1.4
 175 log
 176 @add ID
 177 @
 178 text
 179 @d3 1
 180 a3 1
 181 static char ident[] = "@@(#)$Id:$";
 182 d30 4
 183 a33 2
 184     struct passwd  *pw,
 185                    *getpwuid ();
 186 @
 187
 188
 189 1.3
 190 log
 191 @TYPESIG fixup
 192 @
 193 text
 194 @d2 3
 195 @
 196
 197
 198 1.2
 199 log
 200 @ANSI compilance
 201 @
 202 text
 203 @d20 1
 204 a20 1
 205     int     (*pstat) ();
 206 @
 207
 208
 209 1.1
 210 log
 211 @Initial revision
 212 @
 213 text
 214 @d9 2
 215 @