libstdf_internal.h

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/*
 * Copyright (C) 2005-2006 Mike Frysinger <vapier@gmail.com>
 * Released under the BSD license.  For more information,
 * please see: http://opensource.org/licenses/bsd-license.php
 *
 * $Header: /cvsroot/freestdf/libstdf/include/libstdf_internal.h,v 1.9 2006/01/08 05:39:38 vapier Exp $
 */

#ifndef _LIBSTDF_INTERNAL_H
#define _LIBSTDF_INTERNAL_H

/* STDF File structure */
#define __STDF_HOST_BYTE_ORDER      BYTE_ORDER

typedef struct {
    int (*open)(void*, int, uint32_t);
    int (*read)(void*, void*, long);
    int (*close)(void*);
} __stdf_fops;

typedef struct {
    rec_header  header;         
    int         fd;             
    union {
# if HAVE_ZIP
    ZZIP_FILE   *zip;
#  define fd_zip __fd.zip
# endif
# if HAVE_GZIP
    gzFile      *gzip;
#  define fd_gzip __fd.gzip
# endif
# if HAVE_BZIP2
    BZFILE      *bzip2;
#  define fd_bzip2 __fd.bzip2
# endif
# if HAVE_LZW
    lzwFile     *lzw;
#  define fd_lzw __fd.lzw
# endif
    uintptr_t   padding[4];
    } __fd;

    stdf_format file_format;    
    char        *filename;      
    __stdf_fops *fops;          
    int         byte_order;     
    uint32_t    opts;           
    dtc_U1      ver;            
    byte_t      *__data;
    byte_t      *rec_pos;
    byte_t      *rec_end;

    byte_t      *__output;
    byte_t      *_write_pos;
    dtc_U2      _write_chunk_size;
} stdf_file;



#define _warn(fmt, args...)  fprintf(stderr, fmt , ## args)
#define warn(fmt, args...)   _warn(PACKAGE_STRING ": " fmt "\n" , ## args)
#define warnf(fmt, args...)  warn("%s(): " fmt, __FUNCTION__ , ## args)
#define warnp(fmt, args...)  warn(fmt ": %s" , ## args , strerror(errno))
#define warnfp(fmt, args...) warnp("%s(): " fmt, __FUNCTION__ , ## args)

#define dumphex(buf, cnt) \
    do { \
        size_t i = 0; \
        _warn("dumphex: "); \
        while (i < cnt) \
            _warn("%2.2X ", buf[i++]); \
        _warn("\n"); \
    } while (0)


#if HAVE_MCHECK_H
# include <mcheck.h>
# define _stdf_mtrace()   mtrace()
# define _stdf_muntrace() muntrace()
#else
# define _stdf_mtrace()
# define _stdf_muntrace()
#endif

#if HAVE_DMALLOC_H
# include <dmalloc.h>
#endif

#if HAVE_EFENCE_H
# include <efence.h>
#endif


#ifndef __GNUC_PREREQ
# define __GNUC_PREREQ(maj, min) 0
#endif
#if __GNUC_PREREQ(3,3) && defined(__ELF__)
# define attribute_unused __attribute__ ((unused))
# if !defined(weak_alias)
#  define weak_alias(name, aliasname) \
    extern __typeof (name) aliasname __attribute__ ((weak, alias (#name)))
# endif
# if !defined(strong_alias)
#  define strong_alias(name, aliasname) \
    extern __typeof (name) aliasname __attribute__ ((alias (#name)))
# endif
# if !defined(attribute_hidden)
#  define attribute_hidden __attribute__ ((visibility ("hidden")))
# endif
#else
# define attribute_unused
# if !defined(attribute_hidden)
#  define attribute_hidden
# endif
#endif

#endif /* _LIBSTDF_INTERNAL_H */

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