diff options
author | John Denker <jsd@av8n.com> | 2012-06-01 23:07:51 -0700 |
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committer | John Denker <jsd@av8n.com> | 2012-06-02 17:30:23 -0700 |
commit | 0d0f7a0e7c32842edff533246a1f8523306f9ab0 (patch) | |
tree | 43dbb2fffaa8d490731969f39f5d20832523bd5d /ucspi-tcp-0.88/ip4_scan.c | |
parent | 94c58d7f8cabd9b1ff4c33c57a6ff76cdf3f955e (diff) |
as downloaded : ucspi-tcp
Diffstat (limited to 'ucspi-tcp-0.88/ip4_scan.c')
-rw-r--r-- | ucspi-tcp-0.88/ip4_scan.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/ucspi-tcp-0.88/ip4_scan.c b/ucspi-tcp-0.88/ip4_scan.c new file mode 100644 index 0000000..7a61371 --- /dev/null +++ b/ucspi-tcp-0.88/ip4_scan.c @@ -0,0 +1,19 @@ +#include "scan.h" +#include "ip4.h" + +unsigned int ip4_scan(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; +} |