extern char *types[NTYPES + 1];
extern int userrs;
+static enum { SHOW, NEXT, PREV } mode = SHOW;
+
int debugsw = 0;
int verbosw = 0;
** static prototypes
*/
static void pipeser(int);
+static void m_popen(char *);
+static void m_pclose(void);
int
struct msgs *mp = NULL;
CT ct, *ctp;
FILE *fp;
+ int ontty = 0;
done=freects_done;
setlocale(LC_ALL, "");
#endif
invo_name = mhbasename(argv[0]);
+ if (mh_strcasecmp(invo_name, "next")==0) {
+ mode = NEXT;
+ } else if (mh_strcasecmp(invo_name, "prev")==0) {
+ mode = PREV;
+ }
/* read user profile/context */
context_read();
adios(NULL, "-%s unknown", cp);
case HELPSW:
- snprintf(buf, sizeof(buf), "%s [+folder] [msgs] [switches]", invo_name);
+ snprintf(buf, sizeof(buf), "%s [+folder] %s[switches]", invo_name, mode==SHOW ? "[msgs] " : "");
print_help(buf, switches, 1);
done(1);
case VERSIONSW:
continue;
case FILESW:
+ if (mode != SHOW) {
+ adios(NULL, "Either call show as `%s' or use -file", invo_name);
+ }
+
if (!(cp = *argp++) || (*cp == '-' && cp[1]))
adios(NULL, "missing argument to %s",
argp[-2]);
adios(NULL, "only one folder at a time!");
else
folder = getcpy(expandfol(cp));
- } else
+ } else if (mode != SHOW) {
+ adios(NULL, "Either call show as `%s' or give message arguments", invo_name);
+ } else {
app_msgarg(&msgs, cp);
+ }
}
/* null terminate the list of acceptable parts/types */
/*
** message(s) are coming from a folder
*/
- if (!msgs.size)
- app_msgarg(&msgs, seq_cur);
+ if (!msgs.size) {
+ switch (mode) {
+ case NEXT:
+ app_msgarg(&msgs, seq_next);
+ break;
+ case PREV:
+ app_msgarg(&msgs, seq_prev);
+ break;
+ default:
+ app_msgarg(&msgs, seq_cur);
+ break;
+ }
+ }
if (!folder)
folder = getcurfol();
maildir = toabsdir(folder);
}
}
+ if ((ontty = isatty(fileno(stdout)))) {
+ m_popen(defaultpager);
+ }
+
/*
** Show the message content
*/
show_all_messages(cts);
+ if (ontty) {
+ m_pclose();
+ }
+
/* Now free all the structures for the content */
for (ctp = cts; *ctp; ctp++)
free_content(*ctp);
done(1);
/* NOTREACHED */
}
+
+
+static int m_pid = NOTOK;
+static int sd = NOTOK;
+
+
+static void
+m_popen(char *name)
+{
+ int pd[2];
+
+ if ((sd = dup(fileno(stdout))) == NOTOK)
+ adios("standard output", "unable to dup()");
+
+ if (pipe(pd) == NOTOK)
+ adios("pipe", "unable to");
+
+ switch (m_pid = fork()) {
+ case NOTOK:
+ adios("fork", "unable to");
+
+ case OK:
+ SIGNAL(SIGINT, SIG_DFL);
+ SIGNAL(SIGQUIT, SIG_DFL);
+
+ close(pd[1]);
+ if (pd[0] != fileno(stdin)) {
+ dup2(pd[0], fileno(stdin));
+ close(pd[0]);
+ }
+ execlp(name, mhbasename(name), NULL);
+ fprintf(stderr, "unable to exec ");
+ perror(name);
+ _exit(-1);
+
+ default:
+ close(pd[0]);
+ if (pd[1] != fileno(stdout)) {
+ dup2(pd[1], fileno(stdout));
+ close(pd[1]);
+ }
+ }
+}
+
+
+void
+m_pclose(void)
+{
+ if (m_pid == NOTOK)
+ return;
+
+ if (sd != NOTOK) {
+ fflush(stdout);
+ if (dup2(sd, fileno(stdout)) == NOTOK)
+ adios("standard output", "unable to dup2()");
+
+ clearerr(stdout);
+ close(sd);
+ sd = NOTOK;
+ } else
+ fclose(stdout);
+
+ pidwait(m_pid, OK);
+ m_pid = NOTOK;
+}