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Cleaned up win32_log.c

This commit is contained in:
Yanbing 2017-01-10 20:18:44 -08:00 committed by Manoj Ampalam
parent 6608961bb0
commit 6c049683d7
1 changed files with 60 additions and 26 deletions
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86
contrib/win32/win32compat/w32log.c
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@ -1,3 +1,32 @@
/*
* Copyright (c) 2016 Microsoft Corp.
* All rights reserved
*
* Implementation of sys log for windows:
* openlog(), closelog, syslog
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <Windows.h>
#include <io.h>
@ -8,36 +37,41 @@
#define MSGBUFSIZ 1024
static int logfd = -1;
void openlog(char *ident, unsigned int option, int facility) {
if ((logfd == -1) && (ident != NULL)) {
wchar_t path[MAX_PATH], log_file[MAX_PATH + 12];
if (GetModuleFileNameW(NULL, path, MAX_PATH) == 0)
return;
path[MAX_PATH - 1] = '\0';
/* split path root and module */
{
wchar_t* tail = path + wcslen(path), *p;
while (tail > path && *tail != L'\\' && *tail != L'/')
tail--;
void
openlog(char *ident, unsigned int option, int facility) {
if (logfd != -1 || ident == NULL)
return;
memcpy(log_file, path, (tail - path) * sizeof(wchar_t));
p = log_file + (tail - path);
memcpy(p, L"\\logs\\", 12);
p += 6;
memcpy(p, tail + 1, (wcslen(tail + 1) - 3) * sizeof(wchar_t));
p += wcslen(tail + 1) - 3;
memcpy(p, L"log\0", 8);
}
logfd = _wopen(log_file, O_WRONLY | O_CREAT | O_APPEND,
S_IREAD | S_IWRITE);
if (logfd != -1)
SetHandleInformation((HANDLE)_get_osfhandle(logfd),
HANDLE_FLAG_INHERIT, 0);
wchar_t path[MAX_PATH], log_file[MAX_PATH + 12];
if (GetModuleFileNameW(NULL, path, MAX_PATH) == 0)
return;
path[MAX_PATH - 1] = '\0';
/* split path root and module */
{
wchar_t* tail = path + wcslen(path), *p;
while (tail > path && *tail != L'\\' && *tail != L'/')
tail--;
memcpy(log_file, path, (tail - path) * sizeof(wchar_t));
p = log_file + (tail - path);
memcpy(p, L"\\logs\\", 12);
p += 6;
memcpy(p, tail + 1, (wcslen(tail + 1) - 3) * sizeof(wchar_t));
p += wcslen(tail + 1) - 3;
memcpy(p, L"log\0", 8);
}
logfd = _wopen(log_file, O_WRONLY | O_CREAT | O_APPEND,
S_IREAD | S_IWRITE);
if (logfd != -1)
SetHandleInformation((HANDLE)_get_osfhandle(logfd),
HANDLE_FLAG_INHERIT, 0);
}
void closelog(void) {
//NOOP
void
closelog(void) {
/*NOOP*/
}
void