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use kernel utility int2str and float2str

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This commit is contained in:
winlin 2015-09-24 17:54:58 +08:00
parent 6efd2dd27e
commit 9ead08725d
14 changed files with 104 additions and 75 deletions
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35
trunk/src/kernel/srs_kernel_utility.cpp
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@ -169,14 +169,43 @@ string srs_dns_resolve(string host)
char ipv4[16];
memset(ipv4, 0, sizeof(ipv4));
for (int i = 0; i < answer->h_length; i++) {
inet_ntop(AF_INET, answer->h_addr_list[i], ipv4, sizeof(ipv4));
break;
// covert the first entry to ip.
if (answer->h_length > 0) {
inet_ntop(AF_INET, answer->h_addr_list[0], ipv4, sizeof(ipv4));
}
return ipv4;
}
void srs_parse_hostport(const string& hostport, string& host, int& port)
{
host = hostport;
size_t pos = hostport.find(":");
if (pos != std::string::npos) {
string p = hostport.substr(pos + 1);
host = hostport.substr(0, pos);
port = ::atoi(p.c_str());
}
}
string srs_int2str(int64_t value)
{
// len(max int64_t) is 20, plus one "+-."
char tmp[22];
snprintf(tmp, 22, "%"PRId64, value);
return tmp;
}
string srs_float2str(double value)
{
// len(max int64_t) is 20, plus one "+-."
char tmp[22];
snprintf(tmp, 22, "%.2f", value);
return tmp;
}
bool srs_is_little_endian()
{
// convert to network(big-endian) order, if not equals,