lx.c File Reference

BrickOS executable file support. More...

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <errno.h>
#include <netinet/in.h>
#include <string.h>
#include <lx.h>

Go to the source code of this file.

Defines
#define	ASSURED_WRITE(fd, buf, len)
#define	ASSURED_READ(fd, buf, len)
Functions
int	lx_write (const lx_t *lx, const unsigned char *filename)
	write a BrickOS exectutable to a file
int	lx_read (lx_t *lx, const unsigned char *filename)
	read a BrickOS executable from a file
void	lx_relocate (lx_t *lx, unsigned short base)
	relocate a BrickOS executable to a new base address (may be called repeatedly).

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Detailed Description

BrickOS executable file support.

Author:

Markus L. Noga <markus@noga.de>

Definition in file lx.c.

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Define Documentation

#define ASSURED_READ (  fd, buf, len   )

Value: if((rc=read(fd,buf,len))!=(len)) { \ close(fd); \ return rc; \ } Definition at line 44 of file lx.c. Referenced by lx_read().

#define ASSURED_WRITE (  fd, buf, len   )

Value: if((rc=write(fd,buf,len))!=(len)) { \ close(fd); \ return rc; \ } Definition at line 38 of file lx.c. Referenced by lx_write().

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Function Documentation

int lx_read (  lx_t *  lx, const unsigned char *  filename )

read a BrickOS executable from a file Definition at line 87 of file lx.c. References ASSURED_READ, lx_t::data_size, malloc(), lx_t::num_relocs, lx_t::reloc, strcmp(), lx_t::text, and lx_t::text_size. Referenced by main().

void lx_relocate (  lx_t *  lx, unsigned short  base )

relocate a BrickOS executable to a new base address (may be called repeatedly). Definition at line 139 of file lx.c. References lx_t::base, lx_t::num_relocs, lx_t::reloc, and lx_t::text. Referenced by main().

int lx_write (  const lx_t *  lx, const unsigned char *  filename )

write a BrickOS exectutable to a file Definition at line 51 of file lx.c. References ASSURED_WRITE, lx_t::data_size, lx_t::num_relocs, lx_t::reloc, lx_t::text, and lx_t::text_size. Referenced by main().

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