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author | rsc <devnull@localhost> | 2005-02-11 19:41:16 +0000 |
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committer | rsc <devnull@localhost> | 2005-02-11 19:41:16 +0000 |
commit | d957951b75df08a9bb0293e3e13ff87759afbb92 (patch) | |
tree | 4d7868b0d223956217cbc8819d7afb3bec532cca /src/libndb/ipattr.c | |
parent | ad017cfbf5530cfc3ae2fafd723cdade2a4405f6 (diff) | |
download | plan9port-d957951b75df08a9bb0293e3e13ff87759afbb92.tar.gz plan9port-d957951b75df08a9bb0293e3e13ff87759afbb92.tar.bz2 plan9port-d957951b75df08a9bb0293e3e13ff87759afbb92.zip |
new
Diffstat (limited to 'src/libndb/ipattr.c')
-rw-r--r-- | src/libndb/ipattr.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/libndb/ipattr.c b/src/libndb/ipattr.c new file mode 100644 index 00000000..d23d5ee0 --- /dev/null +++ b/src/libndb/ipattr.c @@ -0,0 +1,46 @@ +#include <u.h> +#include <ctype.h> + +/* + * return ndb attribute type of an ip name + */ +char* +ipattr(char *name) +{ + char *p, c; + int dot = 0; + int alpha = 0; + int colon = 0; + int hex = 0; + + for(p = name; *p; p++){ + c = *p; + if(isdigit(c)) + continue; + if(isxdigit(c)) + hex = 1; + else if(isalpha(c) || c == '-') + alpha = 1; + else if(c == '.') + dot = 1; + else if(c == ':') + colon = 1; + else + return "sys"; + } + + if(alpha){ + if(dot) + return "dom"; + else + return "sys"; + } + + if(colon) + return "ip"; /* ip v6 */ + + if(dot && !hex) + return "ip"; + else + return "sys"; +} |