git.marmaro.de Git - mmh/blob - uip/comp.c

   1 /*
   2 ** comp.c -- compose a message
   3 **
   4 ** This code is Copyright (c) 2002, by the authors of nmh.  See the
   5 ** COPYRIGHT file in the root directory of the nmh distribution for
   6 ** complete copyright information.
   7 */
   8
   9 #include <h/mh.h>
  10 #include <h/utils.h>
  11 #include <fcntl.h>
  12
  13 static struct swit switches[] = {
  14 #define EDITRSW  0
  15         { "editor editor", 0 },
  16 #define FORMSW  1
  17         { "form formfile", 0 },
  18 #define USESW  2
  19         { "use", 0 },
  20 #define NUSESW  3
  21         { "nouse", 2 },
  22 #define WHATSW  4
  23         { "whatnowproc program", 0 },
  24 #define VERSIONSW  5
  25         { "Version", 0 },
  26 #define HELPSW  6
  27         { "help", 0 },
  28         { NULL, 0 }
  29 };
  30
  31
  32 int
  33 main(int argc, char **argv)
  34 {
  35         int use = NOUSE;
  36         int in, out;
  37         char *cp, *cwd, *maildir;
  38         char *ed = NULL, *form = NULL;
  39         char *folder = NULL, *msg = NULL, buf[BUFSIZ];
  40         char drft[BUFSIZ], **argp, **arguments;
  41         struct msgs *mp = NULL;
  42         char *fmtstr;
  43
  44         setlocale(LC_ALL, "");
  45         invo_name = mhbasename(argv[0]);
  46
  47         /* read user profile/context */
  48         context_read();
  49
  50         arguments = getarguments(invo_name, argc, argv, 1);
  51         argp = arguments;
  52
  53         while ((cp = *argp++)) {
  54                 if (*cp == '-') {
  55                         switch (smatch(++cp, switches)) {
  56                         case AMBIGSW:
  57                                 ambigsw(cp, switches);
  58                                 /* sysexits.h EX_USAGE */
  59                                 exit(1);
  60                         case UNKWNSW:
  61                                 adios(NULL, "-%s unknown", cp);
  62
  63                         case HELPSW:
  64                                 snprintf(buf, sizeof(buf), "%s [+folder] [msg] [switches]", invo_name);
  65                                 print_help(buf, switches, 1);
  66                                 exit(0);
  67                         case VERSIONSW:
  68                                 print_version(invo_name);
  69                                 exit(0);
  70
  71                         case EDITRSW:
  72                                 if (!(ed = *argp++) || *ed == '-')
  73                                         adios(NULL, "missing argument to %s", argp[-2]);
  74                                 continue;
  75
  76                         case WHATSW:
  77                                 if (!(whatnowproc = *argp++) || *whatnowproc == '-')
  78                                         adios(NULL, "missing argument to %s", argp[-2]);
  79                                 continue;
  80
  81                         case FORMSW:
  82                                 if (!(form = *argp++) || *form == '-')
  83                                         adios(NULL, "missing argument to %s", argp[-2]);
  84                                 continue;
  85
  86                         case USESW:
  87                                 use++;
  88                                 continue;
  89                         case NUSESW:
  90                                 use = NOUSE;
  91                                 continue;
  92                         }
  93                 }
  94                 if (*cp == '+' || *cp == '@') {
  95                         if (folder)
  96                                 adios(NULL, "only one folder at a time!");
  97                         else
  98                                 folder = getcpy(expandfol(cp));
  99                 } else {
 100                         if (msg)
 101                                 adios(NULL, "only one message at a time!");
 102                         else
 103                                 msg = cp;
 104                 }
 105         }
 106
 107         cwd = getcpy(pwd());
 108
 109         if (form && (folder || msg))
 110                 adios(NULL, "can't mix forms and folders/msgs");
 111
 112         if (use && folder)
 113                 adios(NULL, "can't mix -use and +folder");
 114
 115         if (use) {
 116                 /* Don't copy; the draft shall get removed in the end. */
 117                 strncpy(drft, m_draft(msg ? msg : seq_cur), sizeof(drft));
 118
 119         } else if (folder || msg) {
 120                 /* Take a message as the "form" for the new message. */
 121                 if (!msg)
 122                         msg = seq_cur;
 123                 if (!folder)
 124                         folder = getcurfol();
 125                 maildir = toabsdir(folder);
 126                 if (chdir(maildir) == NOTOK)
 127                         adios(maildir, "unable to change directory to");
 128                 /* read folder and create message structure */
 129                 if (!(mp = folder_read(folder)))
 130                         adios(NULL, "unable to read folder %s", folder);
 131                 /* check for empty folder */
 132                 if (mp->nummsg == 0)
 133                         adios(NULL, "no messages in %s", folder);
 134                 /* parse the message range/sequence/name and set SELECTED */
 135                 if (!m_convert(mp, msg))
 136                         /* sysexits.h EX_USAGE */
 137                         exit(1);
 138                 seq_setprev(mp);  /* set the previous-sequence */
 139                 if (mp->numsel > 1)
 140                         adios(NULL, "only one message at a time!");
 141                 if ((in = open(form = getcpy(m_name(mp->lowsel)),
 142                                 O_RDONLY)) == NOTOK)
 143                         adios(form, "unable to open message");
 144
 145                 strncpy(drft, m_draft(seq_beyond), sizeof(drft));
 146                 if ((out = creat(drft, m_gmprot())) == NOTOK) {
 147                         adios(drft, "unable to create");
 148                 }
 149                 cpydata(in, out, form, drft);
 150                 close(in);
 151                 close(out);
 152
 153         } else {
 154                 fmtstr = new_fs(form, components);
 155                 strncpy(drft, m_draft(seq_beyond), sizeof(drft));
 156                 if ((out = creat(drft, m_gmprot())) == NOTOK) {
 157                         adios(drft, "unable to create");
 158                 }
 159                 if (write(out, fmtstr, strlen(fmtstr)) != (int)strlen(fmtstr)) {
 160                         adios(drft, "error writing");
 161                 }
 162                 close(out);
 163         }
 164
 165         context_save();
 166         what_now(ed, use, drft, NULL, 0, NULLMP, NULL, cwd);
 167         /* sysexits.h EX_SOFTWARE */
 168         return 1;
 169 }