C89 compilers (like Minix' ACK) only need to handle 31 functions arguments

so split a long sprintf into two calls to get below that number.
This commit is contained in:
Dan Fandrich 2008-12-09 01:02:28 +00:00
parent 66c0e4ad5f
commit 2449e1f5a5
1 changed files with 6 additions and 3 deletions

View File

@ -266,13 +266,16 @@ static void ptr_rr_name(char *name, struct ares_addr *addr)
else
{
unsigned char *bytes = (unsigned char *)&addr->addrV6.s6_addr;
/* There are too many arguments to do this in one line using
* minimally C89-compliant compilers */
sprintf(name,
"%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x."
"%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.ip6.arpa",
"%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.",
bytes[15]&0xf, bytes[15] >> 4, bytes[14]&0xf, bytes[14] >> 4,
bytes[13]&0xf, bytes[13] >> 4, bytes[12]&0xf, bytes[12] >> 4,
bytes[11]&0xf, bytes[11] >> 4, bytes[10]&0xf, bytes[10] >> 4,
bytes[9]&0xf, bytes[9] >> 4, bytes[8]&0xf, bytes[8] >> 4,
bytes[9]&0xf, bytes[9] >> 4, bytes[8]&0xf, bytes[8] >> 4);
sprintf(name+strlen(name),
"%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.ip6.arpa",
bytes[7]&0xf, bytes[7] >> 4, bytes[6]&0xf, bytes[6] >> 4,
bytes[5]&0xf, bytes[5] >> 4, bytes[4]&0xf, bytes[4] >> 4,
bytes[3]&0xf, bytes[3] >> 4, bytes[2]&0xf, bytes[2] >> 4,