IABSD.fr/src/usr.bin/m4/extern.h

Branch : - branch - master - tag -

• Show log

  Commit

• Author : op
  Date : 2026-02-25 05:37:25
  Hash : 31a6dbcb
  Message : rename a few functions and defines also reformat some comments with ludicrously short lines. No functional changes, except the usage of `eval' instead of `expr' in two error message, since that's the actual macro name (expr is merely an alias for eval) diff from espie, typo from sthen ok sthen

• usr.bin/m4/extern.h

• /*	$OpenBSD: extern.h,v 1.57 2026/02/25 05:37:25 op Exp $	*/
  /*	$NetBSD: extern.h,v 1.3 1996/01/13 23:25:24 pk Exp $	*/
  
  /*-
   * Copyright (c) 1991, 1993
   *	The Regents of the University of California.  All rights reserved.
   *
   * This code is derived from software contributed to Berkeley by
   * Ozan Yigit at York University.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. Neither the name of the University nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   *
   *	@(#)extern.h	8.1 (Berkeley) 6/6/93
   */
  
  /* eval.c */
  extern void	eval(const char *[], int, int, int);
  extern void	dodefine(const char *, const char *);
  extern unsigned long expansion_id;
  
  /* expr.c */
  extern int	expr(const char *);
  
  /* gnum4.c */
  extern void	addtoincludepath(const char *);
  extern struct input_file *fopen_trypath(struct input_file *, const char *);
  extern void doindir(const char *[], int);
  extern void dobuiltin(const char *[], int);
  extern void dopatsubst(const char *[], int);
  extern void doregexp(const char *[], int);
  
  extern void doprintlineno(struct input_file *);
  extern void doprintfilename(struct input_file *);
  
  extern void doesyscmd(const char *);
  extern void getdivfile(const char *);
  extern void doformat(const char *[], int);
  
  extern void m4_warnx(const char *, ...);
  
  /* look.c */
  
  #define FLAG_UNTRACED 0
  #define FLAG_TRACED 1
  #define FLAG_NO_TRACE 2
  
  extern void	init_macros(void);
  extern ndptr	lookup(const char *);
  extern void mark_traced(const char *, int);
  extern struct ohash macros;
  
  extern struct macro_definition *lookup_macro_definition(const char *);
  extern void	macro_define(const char *, const char *);
  extern void	macro_pushdef(const char *, const char *);
  extern void	macro_popdef(const char *);
  extern void	macro_undefine(const char *);
  extern void	setup_builtin(const char *, unsigned int);
  extern void	macro_for_all(void (*)(const char *, struct macro_definition *));
  #define macro_getdef(p)		((p)->d)
  #define macro_name(p)		((p)->name)
  #define macro_builtin_type(p)	((p)->builtin_type)
  #define is_traced(p) ((p)->trace_flags == FLAG_NO_TRACE ? (trace_flags & TRACE_ALL) : (p)->trace_flags)
  
  extern ndptr macro_getbuiltin(const char *);
  
  /* main.c */
  extern void outputstr(const char *);
  extern void do_emit_synchline(void);
  extern int exit_code;
  #define emit_synchline() do { if (synch_lines) do_emit_synchline(); } while(0)
  
  /* misc.c */
  extern void	chrsave(int);
  extern void	getdiv(int);
  extern ptrdiff_t doindex(const char *, const char *);
  extern void	initspaces(void);
  extern void	killdiv(void);
  extern void	onintr(int);
  extern void	pbnum(int);
  extern void	pbnumbase(int, int, int);
  extern void	pbunsigned(unsigned long);
  extern void	pbstr(const char *);
  extern void	pushback(int);
  extern void	*xalloc(size_t, const char *, ...);
  extern void	*xcalloc(size_t, size_t, const char *, ...);
  extern void	*xrealloc(void *, size_t, const char *, ...);
  extern void	*xreallocarray(void *, size_t, size_t, const char *, ...);
  extern char	*xstrdup(const char *);
  extern void	usage(void);
  extern void	resizedivs(int);
  extern size_t	buffer_mark(void);
  extern void	dump_buffer(FILE *, size_t);
  extern void	__dead m4errx(int, const char *, ...);
  
  extern int	obtain_char(struct input_file *);
  extern void	set_input(struct input_file *, FILE *, const char *);
  extern void	release_input(struct input_file *);
  
  /* speeded-up versions of chrsave/pushback */
  #define PUSHBACK(c)				\
  	do {					\
  		if (bp >= endpbb)		\
  			enlarge_bufspace();	\
  		*bp++ = (c);			\
  	} while(0)
  
  #define CHRSAVE(c)				\
  	do {					\
  		if (ep >= endest)		\
  			enlarge_strspace();	\
  		*ep++ = (c);			\
  	} while(0)
  
  /* and corresponding exposure for local symbols */
  extern void enlarge_bufspace(void);
  extern void enlarge_strspace(void);
  extern unsigned char *endpbb;
  extern char *endest;
  
  /* trace.c */
  extern unsigned int trace_flags;
  #define TRACE_ALL	512
  extern void trace_file(const char *);
  extern size_t trace(const char **, int, struct input_file *);
  extern void finish_trace(size_t);
  extern void set_trace_flags(const char *);
  extern FILE *traceout;
  
  extern stae *mstack;		/* stack of m4 machine */
  extern char *sstack;		/* shadow stack, for string space extension */
  extern FILE *active;		/* active output file pointer */
  extern struct input_file infile[];/* input file stack (0=stdin) */
  extern FILE **outfile;		/* diversion array(0=bitbucket) */
  extern int maxout;		/* maximum number of diversions */
  extern int fp;			/* m4 call frame pointer */
  extern int ilevel;		/* input file stack pointer */
  extern int oindex;		/* diversion index. */
  extern int sp;			/* current m4 stack pointer */
  extern unsigned char *bp;	/* first available character */
  extern unsigned char *buf;	/* push-back buffer */
  extern unsigned char *bufbase;	/* buffer base for this ilevel */
  extern unsigned char *bbase[];	/* buffer base per ilevel */
  extern char ecommt[MAXCCHARS+1];/* end character for comment */
  extern char *ep;		/* first free char in strspace */
  extern char lquote[MAXCCHARS+1];/* left quote character (`) */
  extern char **m4wraps;		/* m4wrap string default. */
  extern int maxwraps;		/* size of m4wraps array */
  extern int wrapindex;		/* current index in m4wraps */
  
  extern char *null;		/* as it says.. just a null. */
  extern char rquote[MAXCCHARS+1];/* right quote character (') */
  extern char scommt[MAXCCHARS+1];/* start character for comment */
  extern int  synch_lines;	/* line synchronisation directives */
  
  extern int mimic_gnu;		/* behaves like gnu-m4 */
  extern int prefix_builtins;	/* prefix builtin macros with m4_ */
  extern int error_warns;		/* make warnings cause exit_code = 1 */
  extern int fatal_warns;		/* make warnings fatal */