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