103 lines
3.0 KiB
C
103 lines
3.0 KiB
C
/*
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* utils.h General purpose utilities
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*
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* Copyright (c) 2001-2013 Thomas Graf <tgraf@suug.ch>
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* Copyright (c) 2013 Red Hat, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef __BMON_UTILS_H_
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#define __BMON_UTILS_H_
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#include <bmon/bmon.h>
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extern void * xcalloc(size_t, size_t);
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extern void * xrealloc(void *, size_t);
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extern void xfree(void *);
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extern void quit (const char *, ...);
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extern float timestamp_to_float(timestamp_t *);
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extern int64_t timestamp_to_int(timestamp_t *);
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extern void float_to_timestamp(timestamp_t *, float);
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extern void int_to_timestamp(timestamp_t *, int);
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extern void timestamp_add(timestamp_t *, timestamp_t *, timestamp_t *);
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extern void timestamp_sub(timestamp_t *, timestamp_t *, timestamp_t *);
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extern int timestamp_le(timestamp_t *, timestamp_t *);
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extern int timestamp_is_negative(timestamp_t *ts);
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extern void update_timestamp(timestamp_t *);
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extern void copy_timestamp(timestamp_t *, timestamp_t *);
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extern float timestamp_diff(timestamp_t *, timestamp_t *);
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#if 0
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#if __BYTE_ORDER == __BIG_ENDIAN
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#define xntohll(N) (N)
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#define xhtonll(N) (N)
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#else
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#define xntohll(N) ((((uint64_t) ntohl(N)) << 32) + ntohl((N) >> 32))
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#define xhtonll(N) ((((uint64_t) htonl(N)) << 32) + htonl((N) >> 32))
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#endif
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enum {
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U_NUMBER,
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U_BYTES,
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U_BITS
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};
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extern float read_delta;
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const char * xinet_ntop(struct sockaddr *, char *, socklen_t);
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extern float time_diff(timestamp_t *, timestamp_t *);
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extern float diff_now(timestamp_t *);
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extern uint64_t parse_size(const char *);
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extern int parse_date(const char *str, xdate_t *dst);
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#ifndef HAVE_STRDUP
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extern char *strdup(const char *);
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#endif
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extern char * timestamp2str(timestamp_t *ts, char *buf, size_t len);
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static inline char *xstrncat(char *dest, const char *src, size_t n)
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{
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return strncat(dest, src, n - strlen(dest) - 1);
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}
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static inline void xdate_to_ts(timestamp_t *dst, xdate_t *src)
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{
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dst->tv_sec = mktime(&src->d_tm);
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dst->tv_usec = src->d_usec;
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};
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#endif
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#endif
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