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73dfbb7568
git-svn-id: svn://svn.code.sf.net/p/axtls/code/trunk@78 9a5d90b5-6617-0410-8a86-bb477d3ed2e3
143 lines
3.1 KiB
C
143 lines
3.1 KiB
C
/*
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* Copyright(C) 2006 Cameron Rich
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*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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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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#endif
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#undef malloc
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#undef realloc
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#undef calloc
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#undef open
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#undef fopen
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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 FILE * STDCALL ax_fopen(const char *pathname, const char *type)
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{
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FILE *f;
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if ((f = fopen(pathname, type)) == NULL)
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exit_now(file_open_str, pathname);
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return f;
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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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