#include <h/mh.h>
#include <fcntl.h>
#include <h/signals.h>
-#include <h/md5.h>
#include <errno.h>
#include <signal.h>
#include <h/tws.h>
#include <h/mime.h>
#include <h/mhparse.h>
-#include <h/mhcachesbr.h>
#include <h/utils.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <locale.h>
+#include <sysexits.h>
static struct swit switches[] = {
-#define CHECKSW 0
- { "check", 0 },
-#define NCHECKSW 1
- { "nocheck", 0 },
-#define SERIALSW 2
- { "serialonly", 0 },
-#define NSERIALSW 3
- { "noserialonly", 0 },
-#define VERBSW 4
+#define VERBSW 0
{ "verbose", 0 },
-#define NVERBSW 5
- { "noverbose", 0 },
-#define FILESW 6 /* interface from show */
+#define NVERBSW 1
+ { "noverbose", 2 },
+#define FILESW 2 /* interface from show */
{ "file file", 0 },
-#define FORMSW 7
+#define FORMSW 3
{ "form formfile", 0 },
-#define PARTSW 8
+#define PARTSW 4
{ "part number", 0 },
-#define TYPESW 9
+#define TYPESW 5
{ "type content", 0 },
-#define RCACHESW 10
- { "rcache policy", 0 },
-#define WCACHESW 11
- { "wcache policy", 0 },
-#define VERSIONSW 12
- { "version", 0 },
-#define HELPSW 13
+#define VERSIONSW 6
+ { "Version", 0 },
+#define HELPSW 7
{ "help", 0 },
-/*
-** switches for debugging
-*/
-#define DEBUGSW 14
+#define DEBUGSW 8
{ "debug", -5 },
{ NULL, 0 }
};
/* mhparse.c */
extern char *tmp; /* directory to place temp files */
-/* mhcachesbr.c */
-extern int rcachesw;
-extern int wcachesw;
-extern char *cache_public;
-extern char *cache_private;
-
/* mhshowsbr.c */
-extern int serialsw;
extern int nolist;
extern char *formsw;
extern char *types[NTYPES + 1];
extern int userrs;
+static enum { SHOW, NEXT, PREV } mode = SHOW;
+
int debugsw = 0;
int verbosw = 0;
/* mhfree.c */
void free_content(CT);
extern CT *cts;
-void freects_done(int) NORETURN;
+void freects_done();
/*
** static prototypes
*/
static void pipeser(int);
+static void m_popen(char *);
+static void m_pclose(void);
int
main(int argc, char **argv)
{
- int msgnum, *icachesw;
+ int msgnum;
char *cp, *file = NULL, *folder = NULL;
char *maildir, buf[100], **argp;
char **arguments;
struct msgs *mp = NULL;
CT ct, *ctp;
FILE *fp;
+ int ontty = 0;
- done=freects_done;
+ if (atexit(freects_done) != 0) {
+ adios(EX_OSERR, NULL, "atexit failed");
+ }
-#ifdef LOCALE
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();
switch (smatch(++cp, switches)) {
case AMBIGSW:
ambigsw(cp, switches);
- done(1);
+ exit(EX_USAGE);
case UNKWNSW:
- adios(NULL, "-%s unknown", cp);
+ adios(EX_USAGE, 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);
+ exit(argc == 2 ? EX_OK : EX_USAGE);
case VERSIONSW:
print_version(invo_name);
- done(1);
-
- case RCACHESW:
- icachesw = &rcachesw;
- goto do_cache;
- case WCACHESW:
- icachesw = &wcachesw;
-do_cache:
- if (!(cp = *argp++) || *cp == '-')
- adios(NULL, "missing argument to %s",
- argp[-2]);
- switch (*icachesw = smatch(cp, caches)) {
- case AMBIGSW:
- ambigsw(cp, caches);
- done(1);
- case UNKWNSW:
- adios(NULL, "%s unknown", cp);
- default:
- break;
- }
- continue;
-
- case CHECKSW:
- checksw++;
- continue;
- case NCHECKSW:
- checksw = 0;
- continue;
-
- case SERIALSW:
- serialsw = 1;
- continue;
- case NSERIALSW:
- serialsw = 0;
- continue;
+ exit(argc == 2 ? EX_OK : EX_USAGE);
case PARTSW:
if (!(cp = *argp++) || *cp == '-')
- adios(NULL, "missing argument to %s",
+ adios(EX_USAGE, NULL, "missing argument to %s",
argp[-2]);
if (npart >= NPARTS)
- adios(NULL, "too many parts (starting with %s), %d max", cp, NPARTS);
+ adios(EX_USAGE, NULL, "too many parts (starting with %s), %d max", cp, NPARTS);
parts[npart++] = cp;
continue;
case TYPESW:
if (!(cp = *argp++) || *cp == '-')
- adios(NULL, "missing argument to %s",
+ adios(EX_USAGE, NULL, "missing argument to %s",
argp[-2]);
if (ntype >= NTYPES)
- adios(NULL, "too many types (starting with %s), %d max", cp, NTYPES);
+ adios(EX_USAGE, NULL, "too many types (starting with %s), %d max", cp, NTYPES);
types[ntype++] = cp;
continue;
case FILESW:
+ if (mode != SHOW) {
+ adios(EX_USAGE, NULL, "Either call show as `%s' or use -file", invo_name);
+ }
+
if (!(cp = *argp++) || (*cp == '-' && cp[1]))
- adios(NULL, "missing argument to %s",
+ adios(EX_USAGE, NULL, "missing argument to %s",
argp[-2]);
file = *cp == '-' ? cp : getcpy(expanddir(cp));
continue;
case FORMSW:
if (!(cp = *argp++) || *cp == '-')
- adios(NULL, "missing argument to %s",
+ adios(EX_USAGE, NULL, "missing argument to %s",
argp[-2]);
if (formsw)
free(formsw);
}
if (*cp == '+' || *cp == '@') {
if (folder)
- adios(NULL, "only one folder at a time!");
+ adios(EX_USAGE, NULL, "only one folder at a time!");
else
folder = getcpy(expandfol(cp));
- } else
+ } else if (mode != SHOW) {
+ adios(EX_USAGE, 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 */
fclose(fp);
}
- /* Check for public cache location */
- if ((cache_public = context_find(nmhcache)) && *cache_public != '/')
- cache_public = NULL;
-
- /* Check for private cache location */
- if (!(cache_private = context_find(nmhprivcache)))
- cache_private = ".cache";
- cache_private = getcpy(toabsdir(cache_private));
-
/*
** Check for storage directory. If specified,
** then store temporary files there. Else we
tmp = getcpy(toabsdir(invo_name));
if (file && msgs.size)
- adios(NULL, "cannot specify msg and file at same time!");
+ adios(EX_USAGE, NULL, "cannot specify msg and file at same time!");
/*
** check if message is coming from file
*/
if (file) {
- if (!(cts = (CT *) calloc((size_t) 2, sizeof(*cts))))
- adios(NULL, "out of memory");
+ cts = (CT *) mh_xcalloc((size_t) 2, sizeof(*cts));
ctp = cts;
if ((ct = parse_mime(file)))
/*
** 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 (chdir(maildir) == NOTOK)
- adios(maildir, "unable to change directory to");
+ adios(EX_OSERR, maildir, "unable to change directory to");
/* read folder and create message structure */
if (!(mp = folder_read(folder)))
- adios(NULL, "unable to read folder %s", folder);
+ adios(EX_IOERR, NULL, "unable to read folder %s", folder);
/* check for empty folder */
if (mp->nummsg == 0)
- adios(NULL, "no messages in %s", folder);
+ adios(EX_DATAERR, NULL, "no messages in %s", folder);
/* parse all the message ranges/sequences and set SELECTED */
for (msgnum = 0; msgnum < msgs.size; msgnum++)
if (!m_convert(mp, msgs.msgs[msgnum]))
- done(1);
+ exit(EX_USAGE);
/*
** Set the SELECT_UNSEEN bit for all the SELECTED messages,
seq_setprev(mp); /* set the Previous-Sequence */
seq_setunseen(mp, 0); /* unset unseen seqs for shown msgs */
- if (!(cts = (CT *) calloc((size_t) (mp->numsel + 1),
- sizeof(*cts))))
- adios(NULL, "out of memory");
+ cts = (CT *) mh_xcalloc((size_t) (mp->numsel + 1),
+ sizeof(*cts));
ctp = cts;
/*
}
if (!*cts)
- done(1);
+ exit(EX_SOFTWARE);
userrs = 1;
SIGNAL(SIGQUIT, quitser);
}
}
+ 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);
context_save(); /* save the context file */
}
- done(0);
- return 1;
+ return 0;
}
fflush(stderr);
}
- done(1);
+ _exit(EX_IOERR);
/* 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(EX_OSERR, "standard output", "unable to dup()");
+
+ if (pipe(pd) == NOTOK)
+ adios(EX_OSERR, "pipe", "unable to");
+
+ switch (m_pid = fork()) {
+ case NOTOK:
+ adios(EX_OSERR, "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(EX_OSERR);
+
+ 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(EX_OSERR, "standard output", "unable to dup2()");
+
+ clearerr(stdout);
+ close(sd);
+ sd = NOTOK;
+ } else
+ fclose(stdout);
+
+ pidwait(m_pid, OK);
+ m_pid = NOTOK;
+}