+ if(!cfg)
+ return 0;
+
+ if(sscanf(cfg->value, "%d", result) == 1)
+ return 1;
+
+ syslog(LOG_ERR, _("Integer expected for configuration variable %s in %s line %d"),
+ cfg->variable, cfg->file, cfg->line);
+ return 0;
+}
+
+int get_config_string(config_t *cfg, char **result)
+{
+cp
+ if(!cfg)
+ return 0;
+
+ *result = cfg->value;
+ return 1;
+}
+
+int get_config_subnet(config_t *cfg, subnet_t **result)
+{
+ subnet_t *subnet;
+cp
+ if(!cfg)
+ return 0;
+
+#warning FIXME
+/* ip = strtoip(cfg->value); */
+
+/* if(!ip) */
+/* { */
+/* syslog(LOG_ERR, _("IP address expected for configuration variable %s in %s line %d"), */
+/* cfg->variable, cfg->file, cfg->line); */
+/* return 0; */
+/* } */
+
+ /* Teach newbies what subnets are... */
+
+/* if((ip->address & ip->mask) != ip->address) */
+/* { */
+/* syslog(LOG_ERR, _("Network address and subnet mask for configuration variable %s in %s line %d"), */
+/* cfg->variable, cfg->file, cfg->line); */
+/* free(ip); */
+/* return 0; */
+/* } */
+
+/* subnet = new_subnet(); */
+/* subnet->type = SUBNET_IP; */
+/* subnet->net.ip.address = ip->address; */
+/* subnet->net.ip.mask = ip->mask; */
+
+/* free(ip); */
+
+/* *result = subnet; */
+
+ return 1;
+}
+
+/*
+ Read exactly one line and strip the trailing newline if any. If the
+ file was on EOF, return NULL. Otherwise, return all the data in a
+ dynamically allocated buffer.
+
+ If line is non-NULL, it will be used as an initial buffer, to avoid
+ unnecessary mallocing each time this function is called. If buf is
+ given, and buf needs to be expanded, the var pointed to by buflen
+ will be increased.
+*/
+char *readline(FILE *fp, char **buf, size_t *buflen)
+{
+ char *newline = NULL;
+ char *p;
+ char *line; /* The array that contains everything that has been read
+ so far */
+ char *idx; /* Read into this pointer, which points to an offset
+ within line */
+ size_t size, newsize; /* The size of the current array pointed to by
+ line */
+ size_t maxlen; /* Maximum number of characters that may be read with
+ fgets. This is newsize - oldsize. */
+
+ if(feof(fp))
+ return NULL;
+
+ if((buf != NULL) && (buflen != NULL))
+ {
+ size = *buflen;
+ line = *buf;
+ }
+ else
+ {
+ size = 100;
+ line = xmalloc(size);
+ }
+
+ maxlen = size;
+ idx = line;
+ *idx = 0;
+ for(;;)
+ {
+ errno = 0;
+ p = fgets(idx, maxlen, fp);
+ if(p == NULL) /* EOF or error */
+ {
+ if(feof(fp))
+ break;
+
+ /* otherwise: error; let the calling function print an error
+ message if applicable */
+ free(line);
+ return NULL;
+ }
+
+ newline = strchr(p, '\n');
+ if(newline == NULL)
+ /* We haven't yet read everything to the end of the line */
+ {
+ newsize = size << 1;
+ line = xrealloc(line, newsize);
+ idx = &line[size - 1];
+ maxlen = newsize - size + 1;
+ size = newsize;
+ }
+ else
+ {
+ *newline = '\0'; /* kill newline */
+ break; /* yay */
+ }
+ }
+
+ if((buf != NULL) && (buflen != NULL))
+ {
+ *buflen = size;
+ *buf = line;
+ }
+ return line;