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/*
* showfile.c -- invoke the `lproc' command
*
* This code is Copyright (c) 2002, by the authors of nmh. See the
* COPYRIGHT file in the root directory of the nmh distribution for
* complete copyright information.
*/
#include <h/mh.h>
int
showfile (char **arg, char *file)
{
pid_t pid;
int isdraft, vecp;
char **vec, *program;
int retval = 1;
context_save(); /* save the context file */
fflush(stdout);
/*
* If you have your lproc listed as "mhl",
* then really invoked the mhlproc instead
* (which is usually mhl anyway).
*/
if (!strcmp (r1bindex (lproc, '/'), "mhl"))
lproc = mhlproc;
switch (pid = fork()) {
case -1:
/* fork error */
advise ("fork", "unable to");
break;
case 0:
/* child */
vec = argsplit(lproc, &program, &vecp);
isdraft = 1;
if (arg) {
while (*arg) {
if (**arg != '-')
isdraft = 0;
vec[vecp++] = *arg++;
}
}
if (isdraft) {
if (!strcmp (vec[0], "show"))
vec[vecp++] = "-file";
vec[vecp++] = file;
}
vec[vecp] = NULL;
execvp (program, vec);
fprintf (stderr, "unable to exec ");
perror (lproc);
_exit (-1);
default:
/* parent */
retval = pidwait (pid, -1) & 0377 ? 1 : 0;
}
return retval;
}
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