| #include <stdio.h> |
| #include <stdint.h> |
| #include <sys/socket.h> |
| #include <netinet/in.h> |
| #include <arpa/inet.h> |
| |
| |
| static struct tests |
| { |
| const char *input; |
| int valid; |
| uint32_t result; |
| } tests[] = |
| { |
| { "", 0, 0 }, |
| { "-1", 0, 0 }, |
| { "256", 1, 0x00000100 }, |
| { "256.", 0, 0 }, |
| { "256a", 0, 0 }, |
| { "0x100", 1, 0x00000100 }, |
| { "0200.0x123456", 1, 0x80123456 }, |
| { "0300.0x89123456.", 0 ,0 }, |
| { "0100.-0xffff0000", 0, 0 }, |
| { "0.0xffffff", 1, 0x00ffffff }, |
| { "0.0x1000000", 0, 0 }, |
| { "0377.16777215", 1, 0xffffffff }, |
| { "0377.16777216", 0, 0 }, |
| { "0x87.077777777", 1, 0x87ffffff }, |
| { "0x87.0100000000", 0, 0 }, |
| { "0.1.3", 1, 0x00010003 }, |
| { "0.256.3", 0, 0 }, |
| { "256.1.3", 0, 0 }, |
| { "0.1.0x10000", 0, 0 }, |
| { "0.1.0xffff", 1, 0x0001ffff }, |
| { "0.1a.3", 0, 0 }, |
| { "0.1.a3", 0, 0 }, |
| { "1.2.3.4", 1, 0x01020304 }, |
| { "0400.2.3.4", 0, 0 }, |
| { "1.0x100.3.4", 0, 0 }, |
| { "1.2.256.4", 0, 0 }, |
| { "1.2.3.0x100", 0, 0 }, |
| { "323543357756889", 0, 0 }, |
| { "10.1.2.3.4", 0, 0}, |
| }; |
| |
| |
| int |
| main (int argc, char *argv[]) |
| { |
| int result = 0; |
| size_t cnt; |
| |
| for (cnt = 0; cnt < sizeof (tests) / sizeof (tests[0]); ++cnt) |
| { |
| struct in_addr addr; |
| |
| if ((int) inet_aton (tests[cnt].input, &addr) != tests[cnt].valid) |
| { |
| if (tests[cnt].valid) |
| printf ("\"%s\" not seen as valid IP address\n", tests[cnt].input); |
| else |
| printf ("\"%s\" seen as valid IP address\n", tests[cnt].input); |
| result = 1; |
| } |
| else if (tests[cnt].valid && addr.s_addr != ntohl (tests[cnt].result)) |
| { |
| printf ("\"%s\" not converted correctly: is %08x, should be %08x\n", |
| tests[cnt].input, addr.s_addr, tests[cnt].result); |
| result = 1; |
| } |
| } |
| |
| return result; |
| } |