2 * UCW Library -- Running of Commands
4 * (c) 2004 Martin Mares <mj@ucw.cz>
6 * This software may be freely distributed and used according to the terms
7 * of the GNU Lesser General Public License.
19 exec_command_v(byte *cmd, va_list args)
25 while (arg = va_arg(cargs, byte *))
27 char **argv = alloca(sizeof(byte *) * cnt);
31 while (arg = va_arg(cargs, byte *))
36 echo_command_v(echo, sizeof(echo), cmd, args);
37 log(L_ERROR, "Cannot execute %s: %m", echo);
42 run_command_v(byte *cmd, va_list args)
47 log(L_ERROR, "fork() failed: %m");
51 exec_command_v(cmd, args);
55 byte msg[EXIT_STATUS_MSG_SIZE];
56 p = waitpid(p, &stat, 0);
58 die("waitpid() failed: %m");
59 if (format_exit_status(msg, stat))
62 echo_command_v(echo, sizeof(echo), cmd, args);
63 log(L_ERROR, "`%s' failed: %s", echo, msg);
71 echo_command_v(byte *buf, int size, byte *cmd, va_list args)
73 byte *limit = buf + size - 4;
81 if (p != buf && p < limit)
85 memcpy(p, arg, limit-p);
92 while (arg = va_arg(cargs, byte *));
97 run_command(byte *cmd, ...)
101 int e = run_command_v(cmd, args);
107 exec_command(byte *cmd, ...)
111 exec_command_v(cmd, args);
115 echo_command(byte *buf, int len, byte *cmd, ...)
119 echo_command_v(buf, len, cmd, args);
128 echo_command(msg, sizeof(msg), "/bin/echo", "datel", "strakapoud", NULL);
129 log(L_INFO, "Running <%s>", msg);
130 run_command("/bin/echo", "datel", "strakapoud", NULL);