159 lines
4.1 KiB
C
159 lines
4.1 KiB
C
/*
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* Copyright (c) 2007, Cameron Rich
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of the axTLS project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* @file os_port.c
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*
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* OS specific functions.
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*/
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#include <time.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <stdarg.h>
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#include "os_port.h"
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#ifdef WIN32
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/**
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* gettimeofday() not in Win32
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*/
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EXP_FUNC void STDCALL gettimeofday(struct timeval* t, void* timezone)
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{
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#if defined(_WIN32_WCE)
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t->tv_sec = time(NULL);
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t->tv_usec = 0; /* 1sec precision only */
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#else
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struct _timeb timebuffer;
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_ftime(&timebuffer);
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t->tv_sec = (long)timebuffer.time;
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t->tv_usec = 1000 * timebuffer.millitm; /* 1ms precision */
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#endif
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}
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/**
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* strcasecmp() not in Win32
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*/
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EXP_FUNC int STDCALL strcasecmp(const char *s1, const char *s2)
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{
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while (tolower(*s1) == tolower(*s2++))
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{
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if (*s1++ == '\0')
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{
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return 0;
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}
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}
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return *(unsigned char *)s1 - *(unsigned char *)(s2 - 1);
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}
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EXP_FUNC int STDCALL getdomainname(char *buf, int buf_size)
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{
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HKEY hKey;
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unsigned long datatype;
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unsigned long bufferlength = buf_size;
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if (RegOpenKeyEx(HKEY_LOCAL_MACHINE,
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TEXT("SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters"),
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0, KEY_QUERY_VALUE, &hKey) != ERROR_SUCCESS)
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return -1;
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RegQueryValueEx(hKey, "Domain", NULL, &datatype, buf, &bufferlength);
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RegCloseKey(hKey);
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return 0;
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}
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#endif
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#undef malloc
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#undef realloc
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#undef calloc
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static const char * out_of_mem_str = "out of memory";
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static const char * file_open_str = "Could not open file \"%s\"";
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/*
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* Some functions that call display some error trace and then call abort().
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* This just makes life much easier on embedded systems, since we're
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* suffering major trauma...
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*/
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EXP_FUNC void * STDCALL ax_malloc(size_t s)
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{
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void *x;
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if ((x = malloc(s)) == NULL)
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exit_now(out_of_mem_str);
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return x;
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}
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EXP_FUNC void * STDCALL ax_realloc(void *y, size_t s)
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{
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void *x;
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if ((x = realloc(y, s)) == NULL)
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exit_now(out_of_mem_str);
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return x;
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}
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EXP_FUNC void * STDCALL ax_calloc(size_t n, size_t s)
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{
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void *x;
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if ((x = calloc(n, s)) == NULL)
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exit_now(out_of_mem_str);
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return x;
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}
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EXP_FUNC int STDCALL ax_open(const char *pathname, int flags)
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{
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int x;
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if ((x = open(pathname, flags)) < 0)
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exit_now(file_open_str, pathname);
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return x;
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}
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/**
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* This is a call which will deliberately exit an application, but will
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* display some information before dying.
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*/
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void exit_now(const char *format, ...)
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{
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va_list argp;
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va_start(argp, format);
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vfprintf(stderr, format, argp);
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va_end(argp);
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abort();
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}
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