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/*-
* Copyright (c) 2014-2016 MongoDB, Inc.
* Copyright (c) 2008-2014 WiredTiger, Inc.
* All rights reserved.
*
* See the file LICENSE for redistribution information.
*/
/*
* __wt_cond_wait --
* Wait on a mutex, optionally timing out.
*/
static inline void
__wt_cond_wait(WT_SESSION_IMPL *session,
WT_CONDVAR *cond, uint64_t usecs, bool (*run_func)(WT_SESSION_IMPL *))
{
bool notused;
__wt_cond_wait_signal(session, cond, usecs, run_func, ¬used);
}
/*
* __wt_hex --
* Convert a byte to a hex character.
*/
static inline u_char
__wt_hex(int c)
{
return ((u_char)"0123456789abcdef"[c]);
}
/*
* __wt_strdup --
* ANSI strdup function.
*/
static inline int
__wt_strdup(WT_SESSION_IMPL *session, const char *str, void *retp)
{
return (__wt_strndup(
session, str, (str == NULL) ? 0 : strlen(str), retp));
}
/*
* __wt_seconds --
* Return the seconds since the Epoch.
*/
static inline void
__wt_seconds(WT_SESSION_IMPL *session, time_t *timep)
{
struct timespec t;
__wt_epoch(session, &t);
*timep = t.tv_sec;
}
/*
* __wt_verbose --
* Verbose message.
*
* Inline functions are not parsed for external prototypes, so in cases where we
* want GCC attributes attached to the functions, we have to do so explicitly.
*/
static inline void
__wt_verbose(WT_SESSION_IMPL *session, int flag, const char *fmt, ...)
WT_GCC_FUNC_DECL_ATTRIBUTE((format (printf, 3, 4)));
/*
* __wt_verbose --
* Verbose message.
*/
static inline void
__wt_verbose(WT_SESSION_IMPL *session, int flag, const char *fmt, ...)
{
#ifdef HAVE_VERBOSE
va_list ap;
if (WT_VERBOSE_ISSET(session, flag)) {
va_start(ap, fmt);
WT_IGNORE_RET(__wt_eventv(session, true, 0, NULL, 0, fmt, ap));
va_end(ap);
}
#else
WT_UNUSED(session);
WT_UNUSED(flag);
WT_UNUSED(fmt);
#endif
}
/*
* __wt_snprintf --
* snprintf convenience function, ignoring the returned size.
*/
static inline int
__wt_snprintf(char *buf, size_t size, const char *fmt, ...)
WT_GCC_FUNC_ATTRIBUTE((format (printf, 3, 4)))
{
WT_DECL_RET;
size_t len;
va_list ap;
len = 0;
va_start(ap, fmt);
ret = __wt_vsnprintf_len_incr(buf, size, &len, fmt, ap);
va_end(ap);
WT_RET(ret);
/* It's an error if the buffer couldn't hold everything. */
return (len >= size ? ERANGE : 0);
}
/*
* __wt_vsnprintf --
* vsnprintf convenience function, ignoring the returned size.
*/
static inline int
__wt_vsnprintf(char *buf, size_t size, const char *fmt, va_list ap)
{
size_t len;
len = 0;
WT_RET(__wt_vsnprintf_len_incr(buf, size, &len, fmt, ap));
/* It's an error if the buffer couldn't hold everything. */
return (len >= size ? ERANGE : 0);
}
/*
* __wt_snprintf_len_set --
* snprintf convenience function, setting the returned size.
*/
static inline int
__wt_snprintf_len_set(
char *buf, size_t size, size_t *retsizep, const char *fmt, ...)
WT_GCC_FUNC_ATTRIBUTE((format (printf, 4, 5)))
{
WT_DECL_RET;
va_list ap;
*retsizep = 0;
va_start(ap, fmt);
ret = __wt_vsnprintf_len_incr(buf, size, retsizep, fmt, ap);
va_end(ap);
return (ret);
}
/*
* __wt_vsnprintf_len_set --
* vsnprintf convenience function, setting the returned size.
*/
static inline int
__wt_vsnprintf_len_set(
char *buf, size_t size, size_t *retsizep, const char *fmt, va_list ap)
{
*retsizep = 0;
return (__wt_vsnprintf_len_incr(buf, size, retsizep, fmt, ap));
}
/*
* __wt_snprintf_len_incr --
* snprintf convenience function, incrementing the returned size.
*/
static inline int
__wt_snprintf_len_incr(
char *buf, size_t size, size_t *retsizep, const char *fmt, ...)
WT_GCC_FUNC_ATTRIBUTE((format (printf, 4, 5)))
{
WT_DECL_RET;
va_list ap;
va_start(ap, fmt);
ret = __wt_vsnprintf_len_incr(buf, size, retsizep, fmt, ap);
va_end(ap);
return (ret);
}
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