win32/wince/wincecompat.c

/*
 * wincecompat.c : wince compatiblity module
 *
 * See Copyright for the status of this software.
 *
 * javier@tiresiassoft.com
 *
 * 17 Sep 2002  created
 */

#include "wincecompat.h"

char *strError[]= {"Error 0","","No such file or directory","","","","","Arg list too long",
    "Exec format error","Bad file number","","","Not enough core","Permission denied","","",
    "","File exists","Cross-device link","","","","Invalid argument","","Too many open files",
    "","","","No space left on device","","","","","Math argument","Result too large","",
    "Resource deadlock would occur", "Unknown error under wince"};


int errno=0;

int read(int handle, char *buffer, unsigned int len)
{
    return(fread(&buffer[0], len, 1, (FILE *) handle));
}

int write(int handle, const char *buffer, unsigned int len)
{
    return(fwrite(&buffer[0], len,1,(FILE *) handle));
}

int open(const char *filename,int oflag, ...)
{
    char mode[3]; /* mode[0] ="w/r/a"  mode[1]="+" */
    mode[2]=0;
    if ( oflag==(O_WRONLY|O_CREAT) )
        mode[0]="w";
    else if (oflag==O_RDONLY)
        mode[0]="r";
    return fopen(filename, mode);

}

int close(int handle)
{
    return ( fclose((FILE *) handle) );
}


char *getcwd( char *buffer, unsigned int size)
{
    /* Windows CE don't have the concept of a current directory
     * so we just return NULL to indicate an error
     */
    return NULL;
}

char *getenv( const char *varname )
{
    return NULL;
}

char *strerror(int errnum)
{
    if (errnum>MAX_STRERROR)
        return strError[MAX_STRERROR];
    else
        return strError[errnum];
}