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

   1
   2 /*
   3  * ap.c -- parse addresses 822-style
   4  *
   5  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   6  * COPYRIGHT file in the root directory of the nmh distribution for
   7  * complete copyright information.
   8  */
   9
  10 #include <h/mh.h>
  11 #include <h/addrsbr.h>
  12 #include <h/fmt_scan.h>
  13 #include <h/mts.h>
  14
  15 #define NADDRS  100
  16
  17 #define WIDTH   78
  18 #define WBUFSIZ BUFSIZ
  19
  20 #define FORMAT  "%<{error}%{error}: %{text}%|%(putstr(proper{text}))%>"
  21
  22 #define AP_SWITCHES \
  23     X("form formatfile", 0, FORMSW) \
  24     X("format string", 5, FMTSW) \
  25     X("width columns", 0, WIDTHSW) \
  26     X("version", 0, VERSIONSW) \
  27     X("help", 0, HELPSW) \
  28
  29 #define X(sw, minchars, id) id,
  30 DEFINE_SWITCH_ENUM(AP);
  31 #undef X
  32
  33 #define X(sw, minchars, id) { sw, minchars, id },
  34 DEFINE_SWITCH_ARRAY(AP, switches);
  35 #undef X
  36
  37 static struct format *fmt;
  38
  39 static int dat[5];
  40
  41 /*
  42  * static prototypes
  43  */
  44 static int process (char *, int);
  45
  46
  47 int
  48 main (int argc, char **argv)
  49 {
  50     int addrp = 0;
  51     int width = 0, status = 0;
  52     char *cp, *form = NULL, *format = NULL, *nfs;
  53     char buf[BUFSIZ], **argp;
  54     char **arguments, *addrs[NADDRS];
  55
  56 #ifdef LOCALE
  57     setlocale(LC_ALL, "");
  58 #endif
  59     invo_name = r1bindex (argv[0], '/');
  60
  61     /* read user profile/context */
  62     context_read();
  63
  64     mts_init (invo_name);
  65     arguments = getarguments (invo_name, argc, argv, 1);
  66     argp = arguments;
  67
  68     while ((cp = *argp++)) {
  69         if (*cp == '-') {
  70             switch (smatch (++cp, switches)) {
  71                 case AMBIGSW:
  72                     ambigsw (cp, switches);
  73                     done (1);
  74
  75                 case UNKWNSW:
  76                     adios (NULL, "-%s unknown", cp);
  77
  78                 case HELPSW:
  79                     snprintf (buf, sizeof(buf), "%s [switches] addrs ...",
  80                         invo_name);
  81                     print_help (buf, switches, 1);
  82                     done (0);
  83                 case VERSIONSW:
  84                     print_version (invo_name);
  85                     done (0);
  86
  87                 case FORMSW:
  88                     if (!(form = *argp++) || *form == '-')
  89                         adios (NULL, "missing argument to %s", argp[-2]);
  90                     format = NULL;
  91                     continue;
  92                 case FMTSW:
  93                     if (!(format = *argp++) || *format == '-')
  94                         adios (NULL, "missing argument to %s", argp[-2]);
  95                     form = NULL;
  96                     continue;
  97
  98                 case WIDTHSW:
  99                     if (!(cp = *argp++) || *cp == '-')
 100                         adios (NULL, "missing argument to %s", argp[-2]);
 101                     width = atoi (cp);
 102                     continue;
 103             }
 104         }
 105         if (addrp > NADDRS)
 106             adios (NULL, "more than %d addresses", NADDRS);
 107         else
 108             addrs[addrp++] = cp;
 109     }
 110     addrs[addrp] = NULL;
 111
 112     if (addrp == 0)
 113         adios (NULL, "usage: %s [switches] addrs ...", invo_name);
 114
 115     /* get new format string */
 116     nfs = new_fs (form, format, FORMAT);
 117
 118     if (width == 0) {
 119         if ((width = sc_width ()) < WIDTH / 2)
 120             width = WIDTH / 2;
 121         width -= 2;
 122     }
 123     if (width > WBUFSIZ)
 124         width = WBUFSIZ;
 125     fmt_compile (nfs, &fmt, 1);
 126
 127     dat[0] = 0;
 128     dat[1] = 0;
 129     dat[2] = 0;
 130     dat[3] = width;
 131     dat[4] = 0;
 132
 133     for (addrp = 0; addrs[addrp]; addrp++)
 134         status += process (addrs[addrp], width);
 135
 136     fmt_free (fmt, 1);
 137     done (status);
 138     return 1;
 139 }
 140
 141 struct pqpair {
 142     char *pq_text;
 143     char *pq_error;
 144     struct pqpair *pq_next;
 145 };
 146
 147
 148 static int
 149 process (char *arg, int length)
 150 {
 151     int status = 0;
 152     register char *cp;
 153     char buffer[WBUFSIZ + 1], error[BUFSIZ];
 154     register struct comp *cptr;
 155     register struct pqpair *p, *q;
 156     struct pqpair pq;
 157     register struct mailname *mp;
 158
 159     (q = &pq)->pq_next = NULL;
 160     while ((cp = getname (arg))) {
 161         if ((p = (struct pqpair *) calloc ((size_t) 1, sizeof(*p))) == NULL)
 162             adios (NULL, "unable to allocate pqpair memory");
 163         if ((mp = getm (cp, NULL, 0, error, sizeof(error))) == NULL) {
 164             p->pq_text = getcpy (cp);
 165             p->pq_error = getcpy (error);
 166             status++;
 167         }
 168         else {
 169             p->pq_text = getcpy (mp->m_text);
 170             mnfree (mp);
 171         }
 172         q = (q->pq_next = p);
 173     }
 174
 175     for (p = pq.pq_next; p; p = q) {
 176         cptr = fmt_findcomp ("text");
 177         if (cptr) {
 178             if (cptr->c_text)
 179                 free(cptr->c_text);
 180             cptr->c_text = p->pq_text;
 181             p->pq_text = NULL;
 182         }
 183         cptr = fmt_findcomp ("error");
 184         if (cptr) {
 185             if (cptr->c_text)
 186                 free(cptr->c_text);
 187             cptr->c_text = p->pq_error;
 188             p->pq_error = NULL;
 189         }
 190
 191         fmt_scan (fmt, buffer, sizeof buffer - 1, length, dat, NULL);
 192         fputs (buffer, stdout);
 193
 194         if (p->pq_text)
 195             free (p->pq_text);
 196         if (p->pq_error)
 197             free (p->pq_error);
 198         q = p->pq_next;
 199         free ((char *) p);
 200     }
 201
 202     return status;
 203 }