diff options
Diffstat (limited to 'src/tests/resolve/resolve.c')
| -rw-r--r-- | src/tests/resolve/resolve.c | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/src/tests/resolve/resolve.c b/src/tests/resolve/resolve.c index 6efd09786f..282fba7411 100644 --- a/src/tests/resolve/resolve.c +++ b/src/tests/resolve/resolve.c @@ -31,7 +31,7 @@ * domain name, then the resolve library is broken. * * Warning: It is possible to fool this program into thinking everything is - * alright byt a clever use of /etc/hosts - but this is better than nothing. + * alright by a clever use of /etc/hosts - but this is better than nothing. * * Usage: * resolve [hostname] @@ -79,7 +79,7 @@ main(argc, argv) char **argv; { char myname[MAXHOSTNAMELEN+1]; - char *ptr; + char *ptr, *fqdn; struct in_addr addrcopy; struct hostent *host; int quiet = 0; @@ -120,6 +120,12 @@ main(argc, argv) exit(2); } + fqdn = strdup(host->h_name); + if (fqdn == NULL) { + perror("strdup"); + exit(2); + } + ptr = host->h_addr_list[0]; #define UC(a) (((int)a)&0xff) if (!quiet) @@ -129,22 +135,29 @@ main(argc, argv) memcpy(&addrcopy.s_addr, ptr, 4); /* Convert back to full name */ - if((host = gethostbyaddr(&addrcopy.s_addr, 4, AF_INET)) == NULL) { - fprintf(stderr, "Error looking up IP address - fatal\n"); - exit(2); + if ((host = gethostbyaddr(&addrcopy.s_addr, 4, AF_INET)) == NULL) { + if (!quiet) + fprintf(stderr, "Error looking up IP address\n"); + } else { + free(fqdn); + fqdn = strdup(host->h_name); + if (fqdn == NULL) { + perror("strdup"); + exit (2); + } } if (quiet) - printf("%s\n", host->h_name); + printf("%s\n", fqdn); else - printf("FQDN: %s\n", host->h_name); + printf("FQDN: %s\n", fqdn); /* * The host name must have at least one '.' in the name, and * if there is only one '.', it must not be at the end of the * string. (i.e., "foo." is not a FQDN) */ - ptr = strchr(host->h_name, '.'); + ptr = strchr(fqdn, '.'); if (ptr == NULL || ptr[1] == '\0') { fprintf(stderr, "\nResolve library did not return a " |