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/* support functions for ip_pool modules */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <libippool/ip_pool_support.h>
void ip_pool_init(void)
{
}
ip_pool_t ip_pool_get_index(char *name)
{
FILE *fp;
char buf[256];
if (isdigit(*name))
return atoi(name);
fp = fopen(IPPOOL_CONF, "r");
if (!fp) exit_error(PARAMETER_PROBLEM,
"cannot open %s - no pool names", IPPOOL_CONF);
while (fgets(buf, sizeof(buf), fp)) {
char *p = strtok(buf, " \t\n");
ip_pool_t index;
if (!p || *p == '#') continue;
index = atoi(p);
p = strtok(0, " \t\n");
if (p && 0 == strcmp(p, name)) {
fclose(fp);
return index;
}
}
exit_error(PARAMETER_PROBLEM,
"pool '%s' not found in %s\n", name, IPPOOL_CONF);
}
char *ip_pool_get_name(char *buf, int size, ip_pool_t index, int numeric)
{
FILE *fp;
int ok = 0;
/* make sure we have enough room, at least for a %d */
if (size < 16)
exit_error(PARAMETER_PROBLEM,
"ip_pool_support:get_name buf too small (%d vs. 16)\n",
size);
if (numeric)
goto do_numeric;
fp = fopen(IPPOOL_CONF, "r");
if (fp) {
while (fgets(buf, size, fp)) {
char *p = strtok(buf, " \t\n");
if (!p || *p == '#') continue;
if (index != atoi(p)) continue;
p = strtok(0, " \t\n");
if (!p || *p == '#') continue;
memmove(buf, p, strlen(p)+1);
ok = 1;
break;
}
fclose(fp);
}
if (!ok) {
do_numeric:
sprintf(buf, "%d", index);
}
return buf;
}
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