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#ifndef UTILS_HPP
#define UTILS_HPP
#include "sanity.hpp"
#include <cstdio>
#include <cstring>
#include <string>
#include "const_array.hpp"
#include "operators.hpp"
#include "utils2.hpp"
int remove_control_chars(char *str);
int e_mail_check(const char *email);
int config_switch (const char *str);
const char *ip2str(struct in_addr ip, bool extra_dot = false);
bool split_key_value(const std::string& line, std::string *w1, std::string *w2);
inline
void strzcpy(char *dest, const char *src, size_t n)
{
if (n)
{
strncpy(dest, src, n);
dest[n-1] = '\0';
}
}
// Exists in place of time_t, to give it a predictable printf-format.
// (on x86 and amd64, time_t == long, but not on x32)
static_assert(sizeof(long long) >= sizeof(time_t), "long long >= time_t");
struct TimeT : Comparable
{
long long value;
// conversion
TimeT(time_t t=0) : value(t) {}
TimeT(struct tm t) : value(timegm(&t)) {}
operator time_t() const { return value; }
operator struct tm() const { time_t v = value; return *gmtime(&v); }
explicit operator bool() const { return value; }
bool operator !() const { return !value; }
// prevent surprises
template<class T>
TimeT(T) = delete;
template<class T>
operator T() const = delete;
static
TimeT now()
{
// poisoned, but this is still in header-land
return time(NULL);
}
bool error() const
{
return value == -1;
}
bool okay() const
{
return !error();
}
};
inline
long long convert_for_printf(TimeT t)
{
return t.value;
}
inline
long long& convert_for_scanf(TimeT& t)
{
return t.value;
}
typedef char timestamp_seconds_buffer[20];
typedef char timestamp_milliseconds_buffer[24];
void stamp_time(timestamp_seconds_buffer&, const TimeT *t=nullptr);
void stamp_time(timestamp_milliseconds_buffer&);
void log_with_timestamp(FILE *out, const_string line);
#define TIMESTAMP_DUMMY "YYYY-MM-DD HH:MM:SS"
static_assert(sizeof(TIMESTAMP_DUMMY) == sizeof(timestamp_seconds_buffer),
"timestamp size");
#define WITH_TIMESTAMP(str) str TIMESTAMP_DUMMY
// str: prefix: YYYY-MM-DD HH:MM:SS
// sizeof: 01234567890123456789012345678
// str + sizeof: ^
// -1: ^
#define REPLACE_TIMESTAMP(str, t) \
stamp_time( \
reinterpret_cast<timestamp_seconds_buffer *>( \
str + sizeof(str) \
)[-1], \
&t \
)
#endif //UTILS_HPP
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