-
/*
- * scan.c -- display a one-line "scan" listing of folder or messages
- *
- * $Id$
- */
+** scan.c -- display a one-line "scan" listing of folder or messages
+**
+** 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>
#include <h/fmt_scan.h>
#include <h/scansbr.h>
-#include <zotnet/tws/tws.h>
+#include <h/tws.h>
+#include <h/utils.h>
#include <errno.h>
-
-/*
- * We allocate space for message names (msgs array)
- * this number of elements at a time.
- */
-#define MAXMSGS 256
-
+#include <unistd.h>
+#include <locale.h>
+#include <sysexits.h>
static struct swit switches[] = {
-#define CLRSW 0
- { "clear", 0 },
-#define NCLRSW 1
- { "noclear", 0 },
-#define FORMSW 2
- { "form formatfile", 0 },
-#define FMTSW 3
- { "format string", 5 },
-#define HEADSW 4
- { "header", 0 },
-#define NHEADSW 5
- { "noheader", 0 },
-#define WIDTHSW 6
- { "width columns", 0 },
-#define REVSW 7
- { "reverse", 0 },
-#define NREVSW 8
- { "noreverse", 0 },
-#define FILESW 9
- { "file file", 4 },
-#define VERSIONSW 10
- { "version", 0 },
-#define HELPSW 11
- { "help", 4 },
- { NULL, 0 }
+#define FORMSW 0
+ { "form formatfile", 0 },
+#define WIDTHSW 1
+ { "width columns", 0 },
+#define FILESW 2
+ { "file file", 0 },
+#define VERSIONSW 3
+ { "Version", 0 },
+#define HELPSW 4
+ { "help", 0 },
+ { NULL, 0 }
};
-extern int errno;
-
-/*
- * global for sbr/formatsbr.c - yech!
- */
-#ifdef LBL
-extern struct msgs *fmt_current_folder;
-#endif
-
-/*
- * prototypes
- */
-void clear_screen(void); /* from termsbr.c */
-
+char *version=VERSION;
int
-main (int argc, char **argv)
+main(int argc, char **argv)
{
- int clearflag = 0, hdrflag = 0, ontty;
- int width = 0, revflag = 0;
- int i, state, msgnum, nummsgs, maxmsgs;
- int seqnum[NUMATTRS], unseen, num_unseen_seq = 0;
- char *cp, *maildir, *file = NULL, *folder = NULL;
- char *form = NULL, *format = NULL, buf[BUFSIZ];
- char **argp, *nfs, **arguments, **msgs;
- struct msgs *mp;
- FILE *in;
-
-#ifdef LOCALE
- setlocale(LC_ALL, "");
-#endif
- invo_name = r1bindex (argv[0], '/');
-
- /* read user profile/context */
- context_read();
-
- mts_init (invo_name);
- arguments = getarguments (invo_name, argc, argv, 1);
- argp = arguments;
-
- /*
- * Allocate the initial space to record message
- * names, ranges, and sequences.
- */
- nummsgs = 0;
- maxmsgs = MAXMSGS;
- if (!(msgs = (char **) malloc ((size_t) (maxmsgs * sizeof(*msgs)))))
- adios (NULL, "unable to allocate storage");
-
- /*
- * Parse arguments
- */
- while ((cp = *argp++)) {
- if (*cp == '-') {
- switch (smatch (++cp, switches)) {
- case AMBIGSW:
- ambigsw (cp, switches);
- done (1);
- case UNKWNSW:
- adios (NULL, "-%s unknown", cp);
-
- case HELPSW:
- snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
- invo_name);
- print_help (buf, switches, 1);
- done (1);
- case VERSIONSW:
- print_version(invo_name);
- done (1);
-
- case CLRSW:
- clearflag++;
- continue;
- case NCLRSW:
- clearflag = 0;
- continue;
-
- case FORMSW:
- if (!(form = *argp++) || *form == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
- format = NULL;
- continue;
- case FMTSW:
- if (!(format = *argp++) || *format == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
- form = NULL;
- continue;
-
- case HEADSW:
- hdrflag++;
- continue;
- case NHEADSW:
- hdrflag = 0;
- continue;
-
- case WIDTHSW:
- if (!(cp = *argp++) || *cp == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
- width = atoi (cp);
- continue;
- case REVSW:
- revflag++;
- continue;
- case NREVSW:
- revflag = 0;
- continue;
-
- case FILESW:
- if (!(cp = *argp++) || (cp[0] == '-' && cp[1]))
- adios (NULL, "missing argument to %s", argp[-2]);
- if (strcmp (file = cp, "-"))
- file = path (cp, TFILE);
- continue;
- }
- }
- if (*cp == '+' || *cp == '@') {
- if (folder)
- adios (NULL, "only one folder at a time!");
- else
- folder = path (cp + 1, *cp == '+' ? TFOLDER : TSUBCWF);
- } else {
- /*
- * Check if we need to allocate more space
- * for message names/ranges/sequences.
- */
- if (nummsgs >= maxmsgs) {
- maxmsgs += MAXMSGS;
- if (!(msgs = (char **) realloc (msgs,
- (size_t) (maxmsgs * sizeof(*msgs)))))
- adios (NULL, "unable to reallocate msgs storage");
- }
- msgs[nummsgs++] = cp;
- }
- }
-
- if (!context_find ("path"))
- free (path ("./", TFOLDER));
-
- /*
- * Get new format string. Must be before chdir().
- */
- nfs = new_fs (form, format, FORMAT);
-
- /*
- * We are scanning a maildrop file
- */
- if (file) {
- if (nummsgs)
- adios (NULL, "\"msgs\" not allowed with -file");
- if (folder)
- adios (NULL, "\"+folder\" not allowed with -file");
-
- /* check if "file" is really stdin */
- if (strcmp (file, "-") == 0) {
- in = stdin;
- file = "stdin";
- } else {
- if ((in = fopen (file, "r")) == NULL)
- adios (file, "unable to open");
+ int width = 0;
+ int i, state, msgnum;
+ int seqnum[NUMATTRS], unseen, num_unseen_seq = 0;
+ char *cp, *maildir, *file = NULL, *folder = NULL;
+ char *form = NULL, buf[BUFSIZ];
+ char **argp, *fmtstr, **arguments;
+ struct msgs_array msgs = { 0, 0, NULL };
+ struct msgs *mp;
+ FILE *in;
+
+ setlocale(LC_ALL, "");
+ invo_name = mhbasename(argv[0]);
+
+ /* read user profile/context */
+ context_read();
+
+ arguments = getarguments(invo_name, argc, argv, 1);
+ argp = arguments;
+
+ /*
+ ** Parse arguments
+ */
+ while ((cp = *argp++)) {
+ if (*cp == '-') {
+ switch (smatch(++cp, switches)) {
+ case AMBIGSW:
+ ambigsw(cp, switches);
+ exit(EX_USAGE);
+ case UNKWNSW:
+ adios(EX_USAGE, NULL, "-%s unknown", cp);
+
+ case HELPSW:
+ snprintf(buf, sizeof(buf), "%s [+folder] [msgs] [switches]", invo_name);
+ print_help(buf, switches, 1);
+ exit(argc == 2 ? EX_OK : EX_USAGE);
+ case VERSIONSW:
+ print_version(invo_name);
+ exit(argc == 2 ? EX_OK : EX_USAGE);
+
+ case FORMSW:
+ if (!(form = *argp++) || *form == '-')
+ adios(EX_USAGE, NULL, "missing argument to %s",
+ argp[-2]);
+ continue;
+
+ case WIDTHSW:
+ if (!(cp = *argp++) || *cp == '-')
+ adios(EX_USAGE, NULL, "missing argument to %s",
+ argp[-2]);
+ width = atoi(cp);
+ continue;
+
+ case FILESW:
+ if (!(cp = *argp++) || (cp[0] == '-' && cp[1]))
+ adios(EX_USAGE, NULL, "missing argument to %s",
+ argp[-2]);
+ if (strcmp(file = cp, "-")!=0)
+ file = mh_xstrdup(expanddir(cp));
+ continue;
+ }
+ }
+ if (*cp == '+' || *cp == '@') {
+ if (folder)
+ adios(EX_USAGE, NULL, "only one folder at a time!");
+ else
+ folder = mh_xstrdup(expandfol(cp));
+ } else
+ app_msgarg(&msgs, cp);
}
-#ifndef JLR
- if (hdrflag) {
- printf ("FOLDER %s\t%s\n", file, dtimenow (1));
+ /* Set format string. Must be before chdir(). */
+ fmtstr = new_fs(form, scanformat);
+
+ /*
+ ** We are scanning a maildrop file
+ */
+ if (file) {
+ if (msgs.size)
+ adios(EX_USAGE, NULL, "\"msgs\" not allowed with -file");
+ if (folder)
+ adios(EX_USAGE, NULL, "\"+folder\" not allowed with -file");
+
+ /* check if "file" is really stdin */
+ if (strcmp(file, "-") == 0) {
+ in = stdin;
+ file = "stdin";
+ } else if (!(in = fopen(file, "r"))) {
+ adios(EX_IOERR, file, "unable to open");
+ }
+
+ for (msgnum = 1; ; ++msgnum) {
+ state = scan(in, msgnum, SCN_MBOX, fmtstr, width, 0, 0);
+ if (state != SCNMSG)
+ break;
+ }
+ fclose(in);
+ exit(EX_OK);
}
-#endif /* JLR */
-
- m_unknown (in);
- for (msgnum = 1; ; ++msgnum) {
- state = scan (in, msgnum, -1, nfs, width, 0, 0,
- hdrflag ? file : NULL, 0L, 1);
- if (state != SCNMSG && state != SCNENC)
- break;
+
+ /*
+ ** We are scanning a folder
+ */
+
+ if (!msgs.size)
+ app_msgarg(&msgs, seq_all);
+ if (!folder)
+ folder = getcurfol();
+ maildir = toabsdir(folder);
+
+ if (chdir(maildir) == NOTOK)
+ adios(EX_OSERR, maildir, "unable to change directory to");
+
+ if (!(mp = folder_read(folder)))
+ adios(EX_IOERR, NULL, "unable to read folder %s", folder);
+
+ /* check for empty folder */
+ if (mp->nummsg == 0)
+ 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]))
+ exit(EX_USAGE);
+ seq_setprev(mp);
+
+ context_replace(curfolder, folder);
+ seq_save(mp);
+ context_save();
+
+ /*
+ ** Get the sequence number for each `unseen' sequence
+ */
+ if (!(cp = context_find(usequence))) {
+ cp = seq_unseen; /* use default, if not set */
}
- fclose (in);
- done (0);
- }
-
- /*
- * We are scanning a folder
- */
-
- if (!nummsgs)
- msgs[nummsgs++] = "all";
- if (!folder)
- folder = getfolder (1);
- maildir = m_maildir (folder);
-
- if (chdir (maildir) == NOTOK)
- adios (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);
-
- /* check for empty folder */
- if (mp->nummsg == 0)
- adios (NULL, "no messages in %s", folder);
-
- /* parse all the message ranges/sequences and set SELECTED */
- for (msgnum = 0; msgnum < nummsgs; msgnum++)
- if (!m_convert (mp, msgs[msgnum]))
- done(1);
- seq_setprev (mp); /* set the Previous-Sequence */
-
- context_replace (pfolder, folder); /* update current folder */
- seq_save (mp); /* synchronize message sequences */
- context_save (); /* save the context file */
-
- /*
- * Get the sequence number for each sequence
- * specified by Unseen-Sequence
- */
- if ((cp = context_find (usequence)) && *cp) {
- char **ap, *dp;
-
- dp = getcpy(cp);
- ap = brkstring (dp, " ", "\n");
- for (i = 0; ap && *ap; i++, ap++)
- seqnum[i] = seq_getnum (mp, *ap);
-
- num_unseen_seq = i;
- if (dp)
- free(dp);
- }
-
- ontty = isatty (fileno (stdout));
-
-#ifdef LBL
- else
- fmt_current_folder = mp;
-#endif
-
- for (msgnum = revflag ? mp->hghsel : mp->lowsel;
- (revflag ? msgnum >= mp->lowsel : msgnum <= mp->hghsel);
- msgnum += (revflag ? -1 : 1)) {
- if (is_selected(mp, msgnum)) {
- if ((in = fopen (cp = m_name (msgnum), "r")) == NULL) {
-#if 0
- if (errno != EACCES)
-#endif
- admonish (cp, "unable to open message");
-#if 0
- else
- printf ("%*d unreadable\n", DMAXFOLDER, msgnum);
-#endif
- continue;
- }
-
-#ifndef JLR
- if (hdrflag) {
- printf ("FOLDER %s\t%s\n", folder, dtimenow(1));
- }
-#endif /* JLR */
-
- /*
- * Check if message is in any sequence given
- * by Unseen-Sequence profile entry.
- */
- unseen = 0;
- for (i = 0; i < num_unseen_seq; i++) {
- if (in_sequence(mp, seqnum[i], msgnum)) {
- unseen = 1;
- break;
+ if (*cp) {
+ char **ap, *dp;
+
+ dp = mh_xstrdup(cp);
+ ap = brkstring(dp, " ", "\n");
+ for (i = 0; ap && *ap; i++, ap++) {
+ seqnum[i] = seq_getnum(mp, *ap);
+ }
+ num_unseen_seq = i;
+ if (dp) {
+ mh_free0(&dp);
}
- }
-
- switch (state = scan (in, msgnum, 0, nfs, width,
- msgnum == mp->curmsg, unseen,
- hdrflag ? folder : NULL, 0L, 1)) {
- case SCNMSG:
- case SCNENC:
- case SCNERR:
- break;
-
- default:
- adios (NULL, "scan() botch (%d)", state);
-
- case SCNEOF:
-#if 0
- printf ("%*d empty\n", DMAXFOLDER, msgnum);
-#else
- advise (NULL, "message %d: empty", msgnum);
-#endif
- break;
- }
- hdrflag = 0;
- fclose (in);
- if (ontty)
- fflush (stdout);
}
- }
-#ifdef LBL
- seq_save (mp); /* because formatsbr might have made changes */
-#endif
+ for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
+ if (!is_selected(mp, msgnum)) {
+ continue;
+ }
+
+ if ((in = fopen(cp = m_name(msgnum), "r")) == NULL) {
+ admonish(cp, "unable to open message");
+ continue;
+ }
- folder_free (mp); /* free folder/message structure */
- if (clearflag)
- clear_screen ();
+ /*
+ ** Check if message is in any sequence given
+ ** by Unseen-Sequence profile entry.
+ */
+ unseen = 0;
+ for (i = 0; i < num_unseen_seq; i++) {
+ if (in_sequence(mp, seqnum[i], msgnum)) {
+ unseen = 1;
+ break;
+ }
+ }
+
+ switch (state = scan(in, msgnum, SCN_FOLD, fmtstr,
+ width, msgnum==mp->curmsg, unseen)) {
+ case SCNMSG:
+ case SCNERR:
+ break;
+
+ default:
+ adios(EX_SOFTWARE, NULL, "scan() botch(%d)", state);
+
+ case SCNEOF:
+ advise(NULL, "message %d: empty", msgnum);
+ break;
+ }
+ fclose(in);
+ }
+ folder_free(mp);
- return done (0);
+ return 0;
}
projects / mmh / blobdiff