xioparam.c

   1 /* source: xioparam.c */
   2 /* Copyright Gerhard Rieger */
   3 /* Published under the GNU General Public License V.2, see file COPYING */
   4
   5 /* this file contains the source for xio options handling */
   6
   7 #include "xiosysincludes.h"
   8 #include "xioopen.h"
   9
  10 /*#include "xioparam.h" are all in xio.h */
  11
  12 /* options that can be applied to this module */
  13 xioopts_t xioopts = {
  14    false,       /* strictopts */
  15    "!!",        /* pipesep */
  16    ":",         /* paramsep */
  17    ",",         /* optionsep */
  18    ':',         /* ip4portsep */
  19    ':',         /* ip6portsep */
  20    '\0',        /* logopt */
  21    NULL,        /* syslogfac */
  22    '4',         /* default_ip */
  23    '4'          /* preferred_ip */
  24 } ;
  25
  26
  27 /* allow application to set xioopen options */
  28 int xiosetopt(char what, const char *arg) {
  29    switch (what) {
  30    case 's': xioopts.strictopts = true; break;
  31    case 'p': if ((xioopts.pipesep = strdup(arg)) == NULL) {
  32          Error1("strdup("F_Zu"): out of memory", strlen(arg)+1);
  33          return -1;
  34       }
  35       break;
  36    case 'o': xioopts.ip4portsep = arg[0];
  37       if (arg[1] != '\0') {
  38          Error2("xiosetopt('%c', \"%s\"): port separator must be single character",
  39                 what, arg);
  40          return -1;
  41       }
  42       break;
  43    case 'l': xioopts.logopt = *arg; break;
  44    case 'y': xioopts.syslogfac = arg; break;
  45    default:
  46       Error2("xiosetopt('%c', \"%s\"): unknown option",
  47              what, arg?arg:"NULL");
  48       return -1;
  49    }
  50    return 0;
  51 }
  52
  53
  54 int xioinqopt(char what, char *arg, size_t n) {
  55    switch (what) {
  56    case 's': return xioopts.strictopts;
  57    case 'p':
  58       arg[0] = '\0'; strncat(arg, xioopts.pipesep, n-1);
  59       return 0;
  60    case 'o': return xioopts.ip4portsep;
  61    case 'l': return xioopts.logopt;
  62    default:
  63       Error3("xioinqopt('%c', \"%s\", "F_Zu"): unknown option",
  64              what, arg, n);
  65       return -1;
  66    }
  67    return 0;
  68 }