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| author | Jérémy Zurcher <jeremy@asynk.ch> | 2010-07-09 12:32:17 +0200 |
|---|---|---|
| committer | Jérémy Zurcher <jeremy@asynk.ch> | 2010-07-09 12:32:17 +0200 |
| commit | 6c027b4de25a529908be895e7ff19236f4002a57 (patch) | |
| tree | f70d3a400bbb9ba8a83e9d4ffcaa4b6e367fc8bb /ipv4_scan.c | |
| download | crypto-6c027b4de25a529908be895e7ff19236f4002a57.zip crypto-6c027b4de25a529908be895e7ff19236f4002a57.tar.gz | |
initial commit, resurrect one of my realy old projects
Diffstat (limited to 'ipv4_scan.c')
| -rw-r--r-- | ipv4_scan.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/ipv4_scan.c b/ipv4_scan.c new file mode 100644 index 0000000..b4906c0 --- /dev/null +++ b/ipv4_scan.c @@ -0,0 +1,19 @@ + +#include "scan.h" + +unsigned int ipv4_scan(const char *s,char ip[4]) +{ + unsigned int i; + unsigned int len; + unsigned long u; + + len = 0; + i = scan_ulong(s,&u); if (!i) return 0; ip[0] = u; s += i; len += i; + if (*s != '.') return 0; ++s; ++len; + i = scan_ulong(s,&u); if (!i) return 0; ip[1] = u; s += i; len += i; + if (*s != '.') return 0; ++s; ++len; + i = scan_ulong(s,&u); if (!i) return 0; ip[2] = u; s += i; len += i; + if (*s != '.') return 0; ++s; ++len; + i = scan_ulong(s,&u); if (!i) return 0; ip[3] = u; s += i; len += i; + return len; +} |