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#ifndef __HIUTIL_H_
#define __HIUTIL_H_
#include <stdarg.h>
#include <stdint.h>
#include <sys/types.h>
#define HI_OK 0
#define HI_ERROR -1
#define HI_EAGAIN -2
#define HI_ENOMEM -3
typedef int rstatus_t; /* return type */
#define LF (uint8_t) 10
#define CR (uint8_t) 13
#define CRLF "\x0d\x0a"
#define CRLF_LEN (sizeof("\x0d\x0a") - 1)
#define NELEMS(a) ((sizeof(a)) / sizeof((a)[0]))
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) > (b) ? (a) : (b))
#define SQUARE(d) ((d) * (d))
#define VAR(s, s2, n) (((n) < 2) ? 0.0 : ((s2) - SQUARE(s)/(n)) / ((n) - 1))
#define STDDEV(s, s2, n) (((n) < 2) ? 0.0 : sqrt(VAR((s), (s2), (n))))
#define HI_INET4_ADDRSTRLEN (sizeof("255.255.255.255") - 1)
#define HI_INET6_ADDRSTRLEN \
(sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255") - 1)
#define HI_INET_ADDRSTRLEN MAX(HI_INET4_ADDRSTRLEN, HI_INET6_ADDRSTRLEN)
#define HI_UNIX_ADDRSTRLEN \
(sizeof(struct sockaddr_un) - offsetof(struct sockaddr_un, sun_path))
#define HI_MAXHOSTNAMELEN 256
/*
* Length of 1 byte, 2 bytes, 4 bytes, 8 bytes and largest integral
* type (uintmax_t) in ascii, including the null terminator '\0'
*
* From stdint.h, we have:
* # define UINT8_MAX (255)
* # define UINT16_MAX (65535)
* # define UINT32_MAX (4294967295U)
* # define UINT64_MAX (__UINT64_C(18446744073709551615))
*/
#define HI_UINT8_MAXLEN (3 + 1)
#define HI_UINT16_MAXLEN (5 + 1)
#define HI_UINT32_MAXLEN (10 + 1)
#define HI_UINT64_MAXLEN (20 + 1)
#define HI_UINTMAX_MAXLEN HI_UINT64_MAXLEN
/*
* Make data 'd' or pointer 'p', n-byte aligned, where n is a power of 2
* of 2.
*/
#define HI_ALIGNMENT sizeof(unsigned long) /* platform word */
#define HI_ALIGN(d, n) (((d) + (n - 1)) & ~(n - 1))
#define HI_ALIGN_PTR(p, n) \
(void *) (((uintptr_t) (p) + ((uintptr_t) n - 1)) & ~((uintptr_t) n - 1))
#define str3icmp(m, c0, c1, c2) \
((m[0] == c0 || m[0] == (c0 ^ 0x20)) && \
(m[1] == c1 || m[1] == (c1 ^ 0x20)) && \
(m[2] == c2 || m[2] == (c2 ^ 0x20)))
#define str4icmp(m, c0, c1, c2, c3) \
(str3icmp(m, c0, c1, c2) && (m[3] == c3 || m[3] == (c3 ^ 0x20)))
#define str5icmp(m, c0, c1, c2, c3, c4) \
(str4icmp(m, c0, c1, c2, c3) && (m[4] == c4 || m[4] == (c4 ^ 0x20)))
#define str6icmp(m, c0, c1, c2, c3, c4, c5) \
(str5icmp(m, c0, c1, c2, c3, c4) && (m[5] == c5 || m[5] == (c5 ^ 0x20)))
#define str7icmp(m, c0, c1, c2, c3, c4, c5, c6) \
(str6icmp(m, c0, c1, c2, c3, c4, c5) && \
(m[6] == c6 || m[6] == (c6 ^ 0x20)))
#define str8icmp(m, c0, c1, c2, c3, c4, c5, c6, c7) \
(str7icmp(m, c0, c1, c2, c3, c4, c5, c6) && \
(m[7] == c7 || m[7] == (c7 ^ 0x20)))
#define str9icmp(m, c0, c1, c2, c3, c4, c5, c6, c7, c8) \
(str8icmp(m, c0, c1, c2, c3, c4, c5, c6, c7) && \
(m[8] == c8 || m[8] == (c8 ^ 0x20)))
#define str10icmp(m, c0, c1, c2, c3, c4, c5, c6, c7, c8, c9) \
(str9icmp(m, c0, c1, c2, c3, c4, c5, c6, c7, c8) && \
(m[9] == c9 || m[9] == (c9 ^ 0x20)))
#define str11icmp(m, c0, c1, c2, c3, c4, c5, c6, c7, c8, c9, c10) \
(str10icmp(m, c0, c1, c2, c3, c4, c5, c6, c7, c8, c9) && \
(m[10] == c10 || m[10] == (c10 ^ 0x20)))
#define str12icmp(m, c0, c1, c2, c3, c4, c5, c6, c7, c8, c9, c10, c11) \
(str11icmp(m, c0, c1, c2, c3, c4, c5, c6, c7, c8, c9, c10) && \
(m[11] == c11 || m[11] == (c11 ^ 0x20)))
#define str13icmp(m, c0, c1, c2, c3, c4, c5, c6, c7, c8, c9, c10, c11, c12) \
(str12icmp(m, c0, c1, c2, c3, c4, c5, c6, c7, c8, c9, c10, c11) && \
(m[12] == c12 || m[12] == (c12 ^ 0x20)))
#define str14icmp(m, c0, c1, c2, c3, c4, c5, c6, c7, c8, c9, c10, c11, c12, c13) \
(str13icmp(m, c0, c1, c2, c3, c4, c5, c6, c7, c8, c9, c10, c11, c12) && \
(m[13] == c13 || m[13] == (c13 ^ 0x20)))
#define str15icmp(m, c0, c1, c2, c3, c4, c5, c6, c7, c8, c9, c10, c11, c12, c13, c14) \
(str14icmp(m, c0, c1, c2, c3, c4, c5, c6, c7, c8, c9, c10, c11, c12, c13) && \
(m[14] == c14 || m[14] == (c14 ^ 0x20)))
#define str16icmp(m, c0, c1, c2, c3, c4, c5, c6, c7, c8, c9, c10, c11, c12, c13, c14, c15) \
(str15icmp(m, c0, c1, c2, c3, c4, c5, c6, c7, c8, c9, c10, c11, c12, c13, c14) && \
(m[15] == c15 || m[15] == (c15 ^ 0x20)))
/*
* Wrapper to workaround well known, safe, implicit type conversion when
* invoking system calls.
*/
#define hi_gethostname(_name, _len) \
gethostname((char *)_name, (size_t)_len)
#define hi_atoi(_line, _n) \
_hi_atoi((uint8_t *)_line, (size_t)_n)
#define hi_itoa(_line, _n) \
_hi_itoa((uint8_t *)_line, (int)_n)
#define uint_len(_n) \
_uint_len((uint32_t)_n)
int hi_set_blocking(int sd);
int hi_set_nonblocking(int sd);
int hi_set_reuseaddr(int sd);
int hi_set_tcpnodelay(int sd);
int hi_set_linger(int sd, int timeout);
int hi_set_sndbuf(int sd, int size);
int hi_set_rcvbuf(int sd, int size);
int hi_get_soerror(int sd);
int hi_get_sndbuf(int sd);
int hi_get_rcvbuf(int sd);
int _hi_atoi(uint8_t *line, size_t n);
void _hi_itoa(uint8_t *s, int num);
int hi_valid_port(int n);
int _uint_len(uint32_t num);
/*
* Memory allocation and free wrappers.
*
* These wrappers enables us to loosely detect double free, dangling
* pointer access and zero-byte alloc.
*/
#define hi_alloc(_s) \
_hi_alloc((size_t)(_s), __FILE__, __LINE__)
#define hi_zalloc(_s) \
_hi_zalloc((size_t)(_s), __FILE__, __LINE__)
#define hi_calloc(_n, _s) \
_hi_calloc((size_t)(_n), (size_t)(_s), __FILE__, __LINE__)
#define hi_realloc(_p, _s) \
_hi_realloc(_p, (size_t)(_s), __FILE__, __LINE__)
#define hi_free(_p) do { \
_hi_free(_p, __FILE__, __LINE__); \
(_p) = NULL; \
} while (0)
void *_hi_alloc(size_t size, const char *name, int line);
void *_hi_zalloc(size_t size, const char *name, int line);
void *_hi_calloc(size_t nmemb, size_t size, const char *name, int line);
void *_hi_realloc(void *ptr, size_t size, const char *name, int line);
void _hi_free(void *ptr, const char *name, int line);
#define hi_strndup(_s, _n) \
strndup((char *)(_s), (size_t)(_n));
/*
* Wrappers to send or receive n byte message on a blocking
* socket descriptor.
*/
#define hi_sendn(_s, _b, _n) \
_hi_sendn(_s, _b, (size_t)(_n))
#define hi_recvn(_s, _b, _n) \
_hi_recvn(_s, _b, (size_t)(_n))
/*
* Wrappers to read or write data to/from (multiple) buffers
* to a file or socket descriptor.
*/
#define hi_read(_d, _b, _n) \
read(_d, _b, (size_t)(_n))
#define hi_readv(_d, _b, _n) \
readv(_d, _b, (int)(_n))
#define hi_write(_d, _b, _n) \
write(_d, _b, (size_t)(_n))
#define hi_writev(_d, _b, _n) \
writev(_d, _b, (int)(_n))
ssize_t _hi_sendn(int sd, const void *vptr, size_t n);
ssize_t _hi_recvn(int sd, void *vptr, size_t n);
/*
* Wrappers for defining custom assert based on whether macro
* HI_ASSERT_PANIC or HI_ASSERT_LOG was defined at the moment
* ASSERT was called.
*/
#ifdef HI_ASSERT_PANIC
#define ASSERT(_x) do { \
if (!(_x)) { \
hi_assert(#_x, __FILE__, __LINE__, 1); \
} \
} while (0)
#define NOT_REACHED() ASSERT(0)
#elif HI_ASSERT_LOG
#define ASSERT(_x) do { \
if (!(_x)) { \
hi_assert(#_x, __FILE__, __LINE__, 0); \
} \
} while (0)
#define NOT_REACHED() ASSERT(0)
#else
#define ASSERT(_x)
#define NOT_REACHED()
#endif
void hi_assert(const char *cond, const char *file, int line, int panic);
void hi_stacktrace(int skip_count);
void hi_stacktrace_fd(int fd);
int _scnprintf(char *buf, size_t size, const char *fmt, ...);
int _vscnprintf(char *buf, size_t size, const char *fmt, va_list args);
int64_t hi_usec_now(void);
int64_t hi_msec_now(void);
void print_string_with_length(char *s, size_t len);
void print_string_with_length_fix_CRLF(char *s, size_t len);
uint16_t crc16(const char *buf, int len);
#endif
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