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/* texmf.h: Main include file for TeX and Metafont in C. This file is
included by {tex,mf}d.h, which is the first include in the C files
output by web2c. */
#include "cpascal.h"
#include <kpathsea/c-pathch.h> /* for IS_DIR_SEP, used in the change files */
#include <kpathsea/tex-make.h> /* for kpse_make_tex_discard_errors */
#ifdef XeTeX
/* added typedefs for unicodefile and voidpointer */
#define XETEX_UNICODE_FILE_DEFINED 1
typedef struct {
FILE *f;
long savedChar;
short skipNextLF;
short encodingMode;
void *conversionData;
} UFILE;
typedef UFILE* unicodefile;
typedef void* voidpointer;
#endif
/* If we have these macros, use them, as they provide a better guide to
the endianess when cross-compiling. */
#if defined (BYTE_ORDER) && defined (BIG_ENDIAN) && defined (LITTLE_ENDIAN)
#ifdef WORDS_BIGENDIAN
#undef WORDS_BIGENDIAN
#endif
#if BYTE_ORDER == BIG_ENDIAN
#define WORDS_BIGENDIAN
#endif
#endif
/* More of the same, but now NeXT-specific. */
#ifdef NeXT
#ifdef WORDS_BIGENDIAN
#undef WORDS_BIGENDIAN
#endif
#ifdef __BIG_ENDIAN__
#define WORDS_BIGENDIAN
#endif
#endif
/* Some things are the same except for the name. */
#ifdef TeX
#if defined (pdfTeX)
#define TEXMFPOOLNAME "pdftex.pool"
#define TEXMFENGINENAME "pdftex"
#elif defined (eTeX)
#define TEXMFPOOLNAME "etex.pool"
#define TEXMFENGINENAME "etex"
#elif defined (XeTeX)
#define TEXMFPOOLNAME "xetex.pool"
#define TEXMFENGINENAME "xetex"
#elif defined (Omega)
#define TEXMFPOOLNAME "omega.pool"
#define TEXMFENGINENAME "omega"
#elif defined (eOmega)
#define TEXMFPOOLNAME "eomega.pool"
#define TEXMFENGINENAME "eomega"
#elif defined (Aleph)
#define TEXMFPOOLNAME "aleph.pool"
#define TEXMFENGINENAME "aleph"
#else
#define TEXMFPOOLNAME "tex.pool"
#define TEXMFENGINENAME "tex"
#endif
#define DUMP_FILE fmtfile
#define DUMP_FORMAT kpse_fmt_format
#define writedvi write_out
#define flushdvi flush_out
#define OUT_FILE dvifile
#define OUT_BUF dvibuf
#endif /* TeX */
#ifdef MF
#define TEXMFPOOLNAME "mf.pool"
#define TEXMFENGINENAME "metafont"
#define DUMP_FILE basefile
#define DUMP_FORMAT kpse_base_format
#define writegf write_out
#define OUT_FILE gffile
#define OUT_BUF gfbuf
#endif /* MF */
#ifdef MP
#define TEXMFPOOLNAME "mp.pool"
#define TEXMFENGINENAME "metapost"
#define DUMP_FILE memfile
#define DUMP_FORMAT kpse_mem_format
#endif /* MP */
/* Restore underscores. */
#define kpsedvipsconfigformat kpse_dvips_config_format
#define kpsefontmapformat kpse_fontmap_format
#define kpsemfpoolformat kpse_mfpool_format
#define kpsempformat kpse_mp_format
#define kpsemppoolformat kpse_mppool_format
#define kpsetexpoolformat kpse_texpool_format
#define kpsetexformat kpse_tex_format
/* Hacks for TeX that are better not to #ifdef, see texmfmp.c. */
extern int tfmtemp, texinputtype;
/* TeX, MF and MetaPost use this. */
extern boolean openinnameok P1H(const_string);
extern boolean openoutnameok P1H(const_string);
/* pdfTeX uses these for pipe support */
#if defined(pdfTeX) || defined(pdfeTeX)
extern boolean open_in_or_pipe P3H(FILE **, int, const_string fopen_mode);
extern boolean open_out_or_pipe P2H(FILE **, const_string fopen_mode);
extern void close_file_or_pipe P1H(FILE *);
#endif
/* All but the Omega family use this. */
#if !defined(Omega) && !defined(eOmega) && !defined(Aleph)
extern void readtcxfile P1H(void);
extern string translate_filename;
#define translatefilename translate_filename
#endif
#ifdef TeX
/* The type `glueratio' should be a floating point type which won't
unnecessarily increase the size of the memoryword structure. This is
the basic requirement. On most machines, if you're building a
normal-sized TeX, then glueratio must probably meet the following
restriction: sizeof(glueratio) <= sizeof(integer). Usually, then,
glueratio must be `float'. But if you build a big TeX, you can (on
most machines) and should make it `double' to avoid loss of precision
and conversions to and from double during calculations. (All this
also goes for Metafont.) Furthermore, if you have enough memory, it
won't hurt to have this defined to be `double' for running the
trip/trap tests.
This type is set automatically to `float' by configure if a small TeX
is built. */
#ifndef GLUERATIO_TYPE
#define GLUERATIO_TYPE double
#endif
typedef GLUERATIO_TYPE glueratio;
#if defined(__DJGPP__) && defined (IPC)
#undef IPC
#endif
#ifdef IPC
extern void ipcpage P1H(int);
#endif /* IPC */
#endif /* TeX */
/* How to output to the GF or DVI file. */
#define write_out(a, b) \
if (fwrite ((char *) &OUT_BUF[a], sizeof (OUT_BUF[a]), \
(int) ((b) - (a) + 1), OUT_FILE) \
!= (int) ((b) - (a) + 1)) \
FATAL_PERROR ("fwrite");
#define flush_out() fflush (OUT_FILE)
/* Used to write to a TFM file. */
#define put2bytes(f, h) do { \
integer v = (integer) (h); putbyte (v >> 8, f); putbyte (v & 0xff, f); \
} while (0)
#define put4bytes(f, w) do { \
integer v = (integer) (w); \
putbyte (v >> 24, f); putbyte (v >> 16, f); \
putbyte (v >> 8, f); putbyte (v & 0xff, f); \
} while (0)
/* Read a line of input as quickly as possible. */
#define inputln(stream, flag) input_line (stream)
#ifdef XeTeX
extern boolean input_line P1H(UFILE *);
#else
extern boolean input_line P1H(FILE *);
#endif
/* This routine has to return four values. */
#define dateandtime(i,j,k,l) get_date_and_time (&(i), &(j), &(k), &(l))
extern void get_date_and_time P4H(integer *, integer *, integer *, integer *);
/* Get high-res time info. */
#define secondsandmicros(i,j) get_seconds_and_micros (&(i), &(j))
extern void get_seconds_and_micros P2H(integer *, integer *);
/* This routine has to return a scaled value. */
extern integer getrandomseed P1H(void);
/* Copy command-line arguments into the buffer, despite the name. */
extern void topenin P1H(void);
/* Can't prototype this since it uses poolpointer and ASCIIcode, which
are defined later in mfd.h, and mfd.h uses stuff from here. */
/* Therefore the department of ugly hacks decided to move this declaration
to the *coerce.h files. */
/* extern void calledit (); */
/* Set an array size from texmf.cnf. */
extern void setupboundvariable P3H(integer *, const_string, integer);
/* These defines reroute the file i/o calls to the new pipe-enabled
functions in texmfmp.c*/
#if defined(pdfTeX) || defined(pdfeTeX)
#undef aopenin
#undef aopenout
#undef aclose
#define aopenin(f,p) open_in_or_pipe(&(f),p,FOPEN_RBIN_MODE)
#define aopenout(f) open_out_or_pipe(&(f),FOPEN_W_MODE)
#define aclose(f) close_file_or_pipe(f)
#endif
/* `bopenin' (and out) is used only for reading (and writing) .tfm
files; `wopenin' (and out) only for dump files. The filenames are
passed in as a global variable, `nameoffile'. */
#define bopenin(f) open_input (&(f), kpse_tfm_format, FOPEN_RBIN_MODE)
#define ocpopenin(f) open_input (&(f), kpse_ocp_format, FOPEN_RBIN_MODE)
#define ofmopenin(f) open_input (&(f), kpse_ofm_format, FOPEN_RBIN_MODE)
#define bopenout(f) open_output (&(f), FOPEN_WBIN_MODE)
#define bclose aclose
#define wopenin(f) open_input (&(f), DUMP_FORMAT, FOPEN_RBIN_MODE)
#define wopenout bopenout
#define wclose aclose
#ifdef XeTeX
#define uopenin(f,p,m,d) u_open_in(&(f), p, FOPEN_RBIN_MODE, m, d)
#endif
/* Used in tex.ch (section 1338) to get a core dump in debugging mode. */
#ifdef unix
#define dumpcore abort
#else
#define dumpcore uexit (1)
#endif
#ifdef MP
extern boolean callmakempx P2H(string, string);
#endif
#ifdef MF
extern boolean initscreen P1H(void);
extern void updatescreen P1H(void);
/* Can't prototype these for same reason as `calledit' above. */
#if 0 /* Therefore the real declaration is found in the coerce.h files. */
extern void blankrectangle (/*screencol, screencol, screenrow, screenrow*/);
extern void paintrow (/*screenrow, pixelcolor, transspec, screencol*/);
#endif
#endif /* MF */
/* (Un)dumping. These are called from the change file. */
#define dumpthings(base, len) \
do_dump ((char *) &(base), sizeof (base), (int) (len), DUMP_FILE)
#define undumpthings(base, len) \
do_undump ((char *) &(base), sizeof (base), (int) (len), DUMP_FILE)
/* Like do_undump, but check each value against LOW and HIGH. The
slowdown isn't significant, and this improves the chances of
detecting incompatible format files. In fact, Knuth himself noted
this problem with Web2c some years ago, so it seems worth fixing. We
can't make this a subroutine because then we lose the type of BASE. */
#define undumpcheckedthings(low, high, base, len) \
do { \
unsigned i; \
undumpthings (base, len); \
for (i = 0; i < (len); i++) { \
if ((&(base))[i] < (low) || (&(base))[i] > (high)) { \
FATAL5 ("Item %u (=%ld) of .fmt array at %lx <%ld or >%ld", \
i, (unsigned long) (&(base))[i], (unsigned long) &(base),\
(unsigned long) low, (unsigned long) high); \
} \
} \
} while (0)
/* Like undump_checked_things, but only check the upper value. We use
this when the base type is unsigned, and thus all the values will be
greater than zero by definition. */
#define undumpuppercheckthings(high, base, len) \
do { \
unsigned i; \
undumpthings (base, len); \
for (i = 0; i < (len); i++) { \
if ((&(base))[i] > (high)) { \
FATAL4 ("Item %u (=%ld) of .fmt array at %lx >%ld", \
i, (unsigned long) (&(base))[i], (unsigned long) &(base),\
(unsigned long) high); \
} \
} \
} while (0)
/* We define the routines to do the actual work in texmf.c. */
extern void do_dump P4H(char *, int, int, FILE *);
extern void do_undump P4H(char *, int, int, FILE *);
/* Use the above for all the other dumping and undumping. */
#define generic_dump(x) dumpthings (x, 1)
#define generic_undump(x) undumpthings (x, 1)
#define dumpwd generic_dump
#define dumphh generic_dump
#define dumpqqqq generic_dump
#define undumpwd generic_undump
#define undumphh generic_undump
#define undumpqqqq generic_undump
/* `dump_int' is called with constant integers, so we put them into a
variable first. */
#define dumpint(x) \
do \
{ \
integer x_val = (x); \
generic_dump (x_val); \
} \
while (0)
/* web2c/regfix puts variables in the format file loading into
registers. Some compilers aren't willing to take addresses of such
variables. So we must kludge. */
#if defined(REGFIX) || defined(WIN32)
#define undumpint(x) \
do \
{ \
integer x_val; \
generic_undump (x_val); \
x = x_val; \
} \
while (0)
#else
#define undumpint generic_undump
#endif
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