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