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