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 static struct swit switches[] = {
  23 #define FORMSW  0
  24     { "form formatfile", 0 },
  25 #define FMTSW   1
  26     { "format string", 5 },
  27 #define NORMSW  2
  28     { "normalize", 0 },
  29 #define NNORMSW 3
  30     { "nonormalize", 0 },
  31 #define WIDTHSW 4
  32     { "width columns", 0 },
  33 #define VERSIONSW 5
  34     { "version", 0 },
  35 #define HELPSW  6
  36     { "help", 0 },
  37     { NULL, 0 }
  38 };
  39
  40 static struct format *fmt;
  41
  42 static int dat[5];
  43
  44 /*
  45  * static prototypes
  46  */
  47 static int process (char *, int, int);
  48
  49
  50 int
  51 main (int argc, char **argv)
  52 {
  53     int addrp = 0, normalize = AD_HOST;
  54     int width = 0, status = 0;
  55     char *cp, *form = NULL, *format = NULL, *nfs;
  56     char buf[BUFSIZ], **argp;
  57     char **arguments, *addrs[NADDRS];
  58
  59 #ifdef LOCALE
  60     setlocale(LC_ALL, "");
  61 #endif
  62     invo_name = r1bindex (argv[0], '/');
  63
  64     /* read user profile/context */
  65     context_read();
  66
  67     mts_init (invo_name);
  68     arguments = getarguments (invo_name, argc, argv, 1);
  69     argp = arguments;
  70
  71     while ((cp = *argp++)) {
  72         if (*cp == '-') {
  73             switch (smatch (++cp, switches)) {
  74                 case AMBIGSW:
  75                     ambigsw (cp, switches);
  76                     done (1);
  77
  78                 case UNKWNSW:
  79                     adios (NULL, "-%s unknown", cp);
  80
  81                 case HELPSW:
  82                     snprintf (buf, sizeof(buf), "%s [switches] addrs ...",
  83                         invo_name);
  84                     print_help (buf, switches, 1);
  85                     done (0);
  86                 case VERSIONSW:
  87                     print_version (invo_name);
  88                     done (0);
  89
  90                 case FORMSW:
  91                     if (!(form = *argp++) || *form == '-')
  92                         adios (NULL, "missing argument to %s", argp[-2]);
  93                     format = NULL;
  94                     continue;
  95                 case FMTSW:
  96                     if (!(format = *argp++) || *format == '-')
  97                         adios (NULL, "missing argument to %s", argp[-2]);
  98                     form = NULL;
  99                     continue;
 100
 101                 case WIDTHSW:
 102                     if (!(cp = *argp++) || *cp == '-')
 103                         adios (NULL, "missing argument to %s", argp[-2]);
 104                     width = atoi (cp);
 105                     continue;
 106
 107                 case NORMSW:
 108                     normalize = AD_HOST;
 109                     continue;
 110                 case NNORMSW:
 111                     normalize = AD_NHST;
 112                     continue;
 113             }
 114         }
 115         if (addrp > NADDRS)
 116             adios (NULL, "more than %d addresses", NADDRS);
 117         else
 118             addrs[addrp++] = cp;
 119     }
 120     addrs[addrp] = NULL;
 121
 122     if (addrp == 0)
 123         adios (NULL, "usage: %s [switches] addrs ...", invo_name);
 124
 125     /* get new format string */
 126     nfs = new_fs (form, format, FORMAT);
 127
 128     if (width == 0) {
 129         if ((width = sc_width ()) < WIDTH / 2)
 130             width = WIDTH / 2;
 131         width -= 2;
 132     }
 133     if (width > WBUFSIZ)
 134         width = WBUFSIZ;
 135     fmt_norm = normalize;
 136     fmt_compile (nfs, &fmt, 1);
 137
 138     dat[0] = 0;
 139     dat[1] = 0;
 140     dat[2] = 0;
 141     dat[3] = width;
 142     dat[4] = 0;
 143
 144     for (addrp = 0; addrs[addrp]; addrp++)
 145         status += process (addrs[addrp], width, normalize);
 146
 147     fmt_free (fmt, 1);
 148     done (status);
 149     return 1;
 150 }
 151
 152 struct pqpair {
 153     char *pq_text;
 154     char *pq_error;
 155     struct pqpair *pq_next;
 156 };
 157
 158
 159 static int
 160 process (char *arg, int length, int norm)
 161 {
 162     int status = 0;
 163     register char *cp;
 164     char buffer[WBUFSIZ + 1], error[BUFSIZ];
 165     register struct comp *cptr;
 166     register struct pqpair *p, *q;
 167     struct pqpair pq;
 168     register struct mailname *mp;
 169
 170     (q = &pq)->pq_next = NULL;
 171     while ((cp = getname (arg))) {
 172         if ((p = (struct pqpair *) calloc ((size_t) 1, sizeof(*p))) == NULL)
 173             adios (NULL, "unable to allocate pqpair memory");
 174         if ((mp = getm (cp, NULL, 0, norm, error)) == NULL) {
 175             p->pq_text = getcpy (cp);
 176             p->pq_error = getcpy (error);
 177             status++;
 178         }
 179         else {
 180             p->pq_text = getcpy (mp->m_text);
 181             mnfree (mp);
 182         }
 183         q = (q->pq_next = p);
 184     }
 185
 186     for (p = pq.pq_next; p; p = q) {
 187         cptr = fmt_findcomp ("text");
 188         if (cptr) {
 189             if (cptr->c_text)
 190                 free(cptr->c_text);
 191             cptr->c_text = p->pq_text;
 192             p->pq_text = NULL;
 193         }
 194         cptr = fmt_findcomp ("error");
 195         if (cptr) {
 196             if (cptr->c_text)
 197                 free(cptr->c_text);
 198             cptr->c_text = p->pq_error;
 199             p->pq_error = NULL;
 200         }
 201
 202         fmt_scan (fmt, buffer, sizeof buffer - 1, length, dat);
 203         fputs (buffer, stdout);
 204
 205         if (p->pq_text)
 206             free (p->pq_text);
 207         if (p->pq_error)
 208             free (p->pq_error);
 209         q = p->pq_next;
 210         free ((char *) p);
 211     }
 212
 213     return status;
 214 }