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 #include <unistd.h>
  13 #include <locale.h>
  14
  15 static struct swit switches[] = {
  16 #define EDITRSW  0
  17         { "editor editor", 0 },
  18 #define FORMSW  1
  19         { "form formfile", 0 },
  20 #define USESW  2
  21         { "use", 0 },
  22 #define NUSESW  3
  23         { "nouse", 2 },
  24 #define WHATSW  4
  25         { "whatnowproc program", 0 },
  26 #define VERSIONSW  5
  27         { "Version", 0 },
  28 #define HELPSW  6
  29         { "help", 0 },
  30         { NULL, 0 }
  31 };
  32
  33
  34 int
  35 main(int argc, char **argv)
  36 {
  37         int use = NOUSE;
  38         int in, out;
  39         char *cp, *cwd, *maildir;
  40         char *ed = NULL, *form = NULL;
  41         char *folder = NULL, *msg = NULL, buf[BUFSIZ];
  42         char drft[BUFSIZ], **argp, **arguments;
  43         struct msgs *mp = NULL;
  44         char *fmtstr;
  45
  46         setlocale(LC_ALL, "");
  47         invo_name = mhbasename(argv[0]);
  48
  49         /* read user profile/context */
  50         context_read();
  51
  52         arguments = getarguments(invo_name, argc, argv, 1);
  53         argp = arguments;
  54
  55         while ((cp = *argp++)) {
  56                 if (*cp == '-') {
  57                         switch (smatch(++cp, switches)) {
  58                         case AMBIGSW:
  59                                 ambigsw(cp, switches);
  60                                 /* sysexits.h EX_USAGE */
  61                                 exit(1);
  62                         case UNKWNSW:
  63                                 adios(NULL, "-%s unknown", cp);
  64
  65                         case HELPSW:
  66                                 snprintf(buf, sizeof(buf), "%s [+folder] [msg] [switches]", invo_name);
  67                                 print_help(buf, switches, 1);
  68                                 exit(0);
  69                         case VERSIONSW:
  70                                 print_version(invo_name);
  71                                 exit(0);
  72
  73                         case EDITRSW:
  74                                 if (!(ed = *argp++) || *ed == '-')
  75                                         adios(NULL, "missing argument to %s", argp[-2]);
  76                                 continue;
  77
  78                         case WHATSW:
  79                                 if (!(whatnowproc = *argp++) || *whatnowproc == '-')
  80                                         adios(NULL, "missing argument to %s", argp[-2]);
  81                                 continue;
  82
  83                         case FORMSW:
  84                                 if (!(form = *argp++) || *form == '-')
  85                                         adios(NULL, "missing argument to %s", argp[-2]);
  86                                 continue;
  87
  88                         case USESW:
  89                                 use++;
  90                                 continue;
  91                         case NUSESW:
  92                                 use = NOUSE;
  93                                 continue;
  94                         }
  95                 }
  96                 if (*cp == '+' || *cp == '@') {
  97                         if (folder)
  98                                 adios(NULL, "only one folder at a time!");
  99                         else
 100                                 folder = getcpy(expandfol(cp));
 101                 } else {
 102                         if (msg)
 103                                 adios(NULL, "only one message at a time!");
 104                         else
 105                                 msg = cp;
 106                 }
 107         }
 108
 109         cwd = getcpy(pwd());
 110
 111         if (form && (folder || msg))
 112                 adios(NULL, "can't mix forms and folders/msgs");
 113
 114         if (use && folder)
 115                 adios(NULL, "can't mix -use and +folder");
 116
 117         if (use) {
 118                 /* Don't copy; the draft shall get removed in the end. */
 119                 strncpy(drft, m_draft(msg ? msg : seq_cur), sizeof(drft));
 120
 121         } else if (folder || msg) {
 122                 /* Take a message as the "form" for the new message. */
 123                 if (!msg)
 124                         msg = seq_cur;
 125                 if (!folder)
 126                         folder = getcurfol();
 127                 maildir = toabsdir(folder);
 128                 if (chdir(maildir) == NOTOK)
 129                         adios(maildir, "unable to change directory to");
 130                 /* read folder and create message structure */
 131                 if (!(mp = folder_read(folder)))
 132                         adios(NULL, "unable to read folder %s", folder);
 133                 /* check for empty folder */
 134                 if (mp->nummsg == 0)
 135                         adios(NULL, "no messages in %s", folder);
 136                 /* parse the message range/sequence/name and set SELECTED */
 137                 if (!m_convert(mp, msg))
 138                         /* sysexits.h EX_USAGE */
 139                         exit(1);
 140                 seq_setprev(mp);  /* set the previous-sequence */
 141                 if (mp->numsel > 1)
 142                         adios(NULL, "only one message at a time!");
 143                 if ((in = open(form = getcpy(m_name(mp->lowsel)),
 144                                 O_RDONLY)) == NOTOK)
 145                         adios(form, "unable to open message");
 146
 147                 strncpy(drft, m_draft(seq_beyond), sizeof(drft));
 148                 if ((out = creat(drft, m_gmprot())) == NOTOK) {
 149                         adios(drft, "unable to create");
 150                 }
 151                 cpydata(in, out, form, drft);
 152                 close(in);
 153                 close(out);
 154
 155         } else {
 156                 fmtstr = new_fs(form, components);
 157                 strncpy(drft, m_draft(seq_beyond), sizeof(drft));
 158                 if ((out = creat(drft, m_gmprot())) == NOTOK) {
 159                         adios(drft, "unable to create");
 160                 }
 161                 if (write(out, fmtstr, strlen(fmtstr)) != (int)strlen(fmtstr)) {
 162                         adios(drft, "error writing");
 163                 }
 164                 close(out);
 165         }
 166
 167         context_save();
 168         what_now(ed, use, drft, NULL, 0, NULLMP, NULL, cwd);
 169         /* sysexits.h EX_SOFTWARE */
 170         return 1;
 171 }