diplodocus.org Git - nmh/blob - uip/rmf.c

   1
   2 /*
   3  * rmf.c -- remove a folder
   4  *
   5  * $Id$
   6  */
   7
   8 #include <h/mh.h>
   9
  10 static struct swit switches[] = {
  11 #define INTRSW            0
  12     { "interactive", 0 },
  13 #define NINTRSW           1
  14     { "nointeractive", 0 },
  15 #define VERSIONSW         2
  16     { "version", 0 },
  17 #define HELPSW            3
  18     { "help", 0 },
  19     { NULL, 0 }
  20 };
  21
  22 /*
  23  * static prototypes
  24  */
  25 static int rmf(char *);
  26 static void rma (char *);
  27
  28
  29 int
  30 main (int argc, char **argv)
  31 {
  32     int defolder = 0, interactive = -1;
  33     char *cp, *folder = NULL, newfolder[BUFSIZ];
  34     char buf[BUFSIZ], **argp, **arguments;
  35
  36 #ifdef LOCALE
  37     setlocale(LC_ALL, "");
  38 #endif
  39     invo_name = r1bindex (argv[0], '/');
  40
  41     /* read user profile/context */
  42     context_read();
  43
  44     arguments = getarguments (invo_name, argc, argv, 1);
  45     argp = arguments;
  46
  47     while ((cp = *argp++)) {
  48         if (*cp == '-') {
  49             switch (smatch (++cp, switches)) {
  50                 case AMBIGSW:
  51                     ambigsw (cp, switches);
  52                     done (1);
  53                 case UNKWNSW:
  54                     adios (NULL, "-%s unknown", cp);
  55
  56                 case HELPSW:
  57                     snprintf (buf, sizeof(buf), "%s [+folder] [switches]",
  58                         invo_name);
  59                     print_help (buf, switches, 1);
  60                     done (1);
  61                 case VERSIONSW:
  62                     print_version(invo_name);
  63                     done (1);
  64
  65                 case INTRSW:
  66                     interactive = 1;
  67                     continue;
  68                 case NINTRSW:
  69                     interactive = 0;
  70                     continue;
  71             }
  72         }
  73         if (*cp == '+' || *cp == '@') {
  74             if (folder)
  75                 adios (NULL, "only one folder at a time!");
  76             else
  77                 folder = path (cp + 1, *cp == '+' ? TFOLDER : TSUBCWF);
  78         } else {
  79             adios (NULL, "usage: %s [+folder] [switches]", invo_name);
  80         }
  81     }
  82
  83     if (!context_find ("path"))
  84         free (path ("./", TFOLDER));
  85     if (!folder) {
  86         folder = getfolder (1);
  87         defolder++;
  88     }
  89     if (strcmp (m_mailpath (folder), pwd ()) == 0)
  90         adios (NULL, "sorry, you can't remove the current working directory");
  91
  92     if (interactive == -1)
  93         interactive = defolder;
  94
  95     if (strchr (folder, '/') && (*folder != '/') && (*folder != '.')) {
  96         for (cp = copy (folder, newfolder); cp > newfolder && *cp != '/'; cp--)
  97             continue;
  98         if (cp > newfolder)
  99             *cp = '\0';
 100         else
 101             strncpy (newfolder, getfolder(0), sizeof(newfolder));
 102     } else {
 103         strncpy (newfolder, getfolder(0), sizeof(newfolder));
 104     }
 105
 106     if (interactive) {
 107         cp = concat ("Remove folder \"", folder, "\"? ", NULL);
 108         if (!getanswer (cp))
 109             done (0);
 110         free (cp);
 111     }
 112
 113     if (rmf (folder) == OK && strcmp (context_find (pfolder), newfolder)) {
 114         printf ("[+%s now current]\n", newfolder);
 115         context_replace (pfolder, newfolder);   /* update current folder */
 116     }
 117     context_save ();    /* save the context file */
 118     return done (0);
 119 }
 120
 121 static int
 122 rmf (char *folder)
 123 {
 124     int i, j, others;
 125     register char *maildir;
 126     char cur[BUFSIZ];
 127     register struct dirent *dp;
 128     register DIR *dd;
 129
 130     switch (i = chdir (maildir = m_maildir (folder))) {
 131         case OK:
 132             if (access (".", W_OK) != NOTOK && access ("..", W_OK) != NOTOK)
 133                 break;          /* fall otherwise */
 134
 135         case NOTOK:
 136             snprintf (cur, sizeof(cur), "atr-%s-%s",
 137                         current, m_mailpath (folder));
 138             if (!context_del (cur)) {
 139                 printf ("[+%s de-referenced]\n", folder);
 140                 return OK;
 141             }
 142             advise (NULL, "you have no profile entry for the %s folder +%s",
 143                     i == NOTOK ? "unreadable" : "read-only", folder);
 144             return NOTOK;
 145     }
 146
 147     if ((dd = opendir (".")) == NULL)
 148         adios (NULL, "unable to read folder +%s", folder);
 149     others = 0;
 150
 151     j = strlen(BACKUP_PREFIX);
 152     while ((dp = readdir (dd))) {
 153         switch (dp->d_name[0]) {
 154             case '.':
 155                 if (strcmp (dp->d_name, ".") == 0
 156                         || strcmp (dp->d_name, "..") == 0)
 157                     continue;   /* else fall */
 158
 159             case ',':
 160 #ifdef MHE
 161             case '+':
 162 #endif /* MHE */
 163 #ifdef UCI
 164             case '_':
 165             case '#':
 166 #endif /* UCI */
 167                 break;
 168
 169             default:
 170                 if (m_atoi (dp->d_name))
 171                     break;
 172                 if (strcmp (dp->d_name, LINK) == 0
 173                         || strncmp (dp->d_name, BACKUP_PREFIX, j) == 0)
 174                     break;
 175
 176                 admonish (NULL, "file \"%s/%s\" not deleted",
 177                         folder, dp->d_name);
 178                 others++;
 179                 continue;
 180         }
 181         if (unlink (dp->d_name) == NOTOK) {
 182             admonish (dp->d_name, "unable to unlink %s:", folder);
 183             others++;
 184         }
 185     }
 186
 187     closedir (dd);
 188
 189     /*
 190      * Remove any relevant private sequences
 191      * or attributes from context file.
 192      */
 193     rma (folder);
 194
 195     chdir ("..");
 196     if (others == 0 && remdir (maildir))
 197         return OK;
 198
 199     advise (NULL, "folder +%s not removed", folder);
 200     return NOTOK;
 201 }
 202
 203
 204 /*
 205  * Remove all the (private) sequence information for
 206  * this folder from the profile/context list.
 207  */
 208
 209 static void
 210 rma (char *folder)
 211 {
 212     register int alen, j, plen;
 213     register char *cp;
 214     register struct node *np, *pp;
 215
 216     /* sanity check - check that context has been read */
 217     if (defpath == NULL)
 218         adios (NULL, "oops, context hasn't been read yet");
 219
 220     alen = strlen ("atr-");
 221     plen = strlen (cp = m_mailpath (folder)) + 1;
 222
 223     /*
 224      * Search context list for keys that look like
 225      * "atr-something-folderpath", and remove them.
 226      */
 227     for (np = m_defs, pp = NULL; np; np = np->n_next) {
 228         if (ssequal ("atr-", np->n_name)
 229                 && (j = strlen (np->n_name) - plen) > alen
 230                 && *(np->n_name + j) == '-'
 231                 && strcmp (cp, np->n_name + j + 1) == 0) {
 232             if (!np->n_context)
 233                 admonish (NULL, "bug: context_del(key=\"%s\")", np->n_name);
 234             if (pp) {
 235                 pp->n_next = np->n_next;
 236                 np = pp;
 237             } else {
 238                 m_defs = np->n_next;
 239             }
 240             ctxflags |= CTXMOD;
 241         } else {
 242             pp = np;
 243         }
 244     }
 245 }