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| author | Gisle Vanem <gvanem@broadpark.no> | 2005-11-12 15:15:27 +0000 |
|---|---|---|
| committer | Gisle Vanem <gvanem@broadpark.no> | 2005-11-12 15:15:27 +0000 |
| commit | d629c2affd4bda00a09742cd1e3e0c71fb0f2d77 (patch) | |
| tree | 72f137ef8cc0c40b5491fa253de6721c1a2edfd4 /ares_dns.h | |
| parent | fbb01a0ebeec7c869299d846659f74ab59113ca4 (diff) | |
| download | c-ares-d629c2affd4bda00a09742cd1e3e0c71fb0f2d77.tar.gz c-ares-d629c2affd4bda00a09742cd1e3e0c71fb0f2d77.tar.bz2 c-ares-d629c2affd4bda00a09742cd1e3e0c71fb0f2d77.zip | |
Support big-endian machines.
Diffstat (limited to 'ares_dns.h')
| -rw-r--r-- | ares_dns.h | 7 |
1 files changed, 7 insertions, 0 deletions
@@ -18,6 +18,7 @@ #ifndef ARES__DNS_H #define ARES__DNS_H +#if 0 #define DNS__16BIT(p) (((p)[0] << 8) | (p)[1]) #define DNS__32BIT(p) (((p)[0] << 24) | ((p)[1] << 16) | \ ((p)[2] << 8) | (p)[3]) @@ -27,6 +28,12 @@ ((p)[1] = ((v) >> 16) & 0xff), \ ((p)[2] = ((v) >> 8) & 0xff), \ ((p)[3] = (v) & 0xff)) +#else /* big-endian aware versions */ +#define DNS__16BIT(p) ntohs(*(unsigned short*)(p)) +#define DNS__32BIT(p) ntohl(*(unsigned long*)(p)) +#define DNS__SET16BIT(p, v) *(unsigned short*)(p) = htons(v) +#define DNS__SET32BIT(p, v) *(unsigned long*)(p) = htonl(v) +#endif /* Macros for parsing a DNS header */ #define DNS_HEADER_QID(h) DNS__16BIT(h) |