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