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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* SPDX-License-Identifier: curl
*
***************************************************************************/
#include "tool_setup.h"
#if defined(HAVE_STRCASECMP) && defined(HAVE_STRINGS_H)
#include <strings.h>
#endif
#include "tool_util.h"
#include "memdebug.h" /* keep this as LAST include */
#if defined(_WIN32)
/* In case of bug fix this function has a counterpart in timeval.c */
struct timeval tvnow(void)
{
struct timeval now;
if(tool_isVistaOrGreater) { /* QPC timer might have issues pre-Vista */
LARGE_INTEGER count;
QueryPerformanceCounter(&count);
now.tv_sec = (long)(count.QuadPart / tool_freq.QuadPart);
now.tv_usec = (long)((count.QuadPart % tool_freq.QuadPart) * 1000000 /
tool_freq.QuadPart);
}
else {
/* Disable /analyze warning that GetTickCount64 is preferred */
#if defined(_MSC_VER)
#pragma warning(push)
#pragma warning(disable:28159)
#endif
DWORD milliseconds = GetTickCount();
#if defined(_MSC_VER)
#pragma warning(pop)
#endif
now.tv_sec = (long)(milliseconds / 1000);
now.tv_usec = (long)((milliseconds % 1000) * 1000);
}
return now;
}
#elif defined(HAVE_CLOCK_GETTIME_MONOTONIC)
struct timeval tvnow(void)
{
/*
** clock_gettime() is granted to be increased monotonically when the
** monotonic clock is queried. Time starting point is unspecified, it
** could be the system start-up time, the Epoch, or something else,
** in any case the time starting point does not change once that the
** system has started up.
*/
struct timeval now;
struct timespec tsnow;
if(0 == clock_gettime(CLOCK_MONOTONIC, &tsnow)) {
now.tv_sec = tsnow.tv_sec;
now.tv_usec = (int)(tsnow.tv_nsec / 1000);
}
/*
** Even when the configure process has truly detected monotonic clock
** availability, it might happen that it is not actually available at
** runtime. When this occurs simply fallback to other time source.
*/
#ifdef HAVE_GETTIMEOFDAY
else
(void)gettimeofday(&now, NULL);
#else
else {
now.tv_sec = time(NULL);
now.tv_usec = 0;
}
#endif
return now;
}
#elif defined(HAVE_GETTIMEOFDAY)
struct timeval tvnow(void)
{
/*
** gettimeofday() is not granted to be increased monotonically, due to
** clock drifting and external source time synchronization it can jump
** forward or backward in time.
*/
struct timeval now;
(void)gettimeofday(&now, NULL);
return now;
}
#else
struct timeval tvnow(void)
{
/*
** time() returns the value of time in seconds since the Epoch.
*/
struct timeval now;
now.tv_sec = time(NULL);
now.tv_usec = 0;
return now;
}
#endif
/*
* Make sure that the first argument is the more recent time, as otherwise
* we will get a weird negative time-diff back...
*
* Returns: the time difference in number of milliseconds.
*/
long tvdiff(struct timeval newer, struct timeval older)
{
return (long)(newer.tv_sec-older.tv_sec)*1000+
(long)(newer.tv_usec-older.tv_usec)/1000;
}
/* Case insensitive compare. Accept NULL pointers. */
int struplocompare(const char *p1, const char *p2)
{
if(!p1)
return p2? -1: 0;
if(!p2)
return 1;
#ifdef HAVE_STRCASECMP
return strcasecmp(p1, p2);
#elif defined(HAVE_STRCMPI)
return strcmpi(p1, p2);
#elif defined(HAVE_STRICMP)
return stricmp(p1, p2);
#else
return strcmp(p1, p2);
#endif
}
/* Indirect version to use as qsort callback. */
int struplocompare4sort(const void *p1, const void *p2)
{
return struplocompare(* (char * const *) p1, * (char * const *) p2);
}
#ifdef USE_TOOL_FTRUNCATE
#ifdef _WIN32_WCE
/* 64-bit lseek-like function unavailable */
# undef _lseeki64
# define _lseeki64(hnd,ofs,whence) lseek(hnd,ofs,whence)
# undef _get_osfhandle
# define _get_osfhandle(fd) (fd)
#endif
/*
* Truncate a file handle at a 64-bit position 'where'.
*/
int tool_ftruncate64(int fd, curl_off_t where)
{
intptr_t handle = _get_osfhandle(fd);
if(_lseeki64(fd, where, SEEK_SET) < 0)
return -1;
if(!SetEndOfFile((HANDLE)handle))
return -1;
return 0;
}
#endif /* USE_TOOL_FTRUNCATE */
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