mirror of
https://github.com/freebsd/freebsd-src
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bdcbfde31e
Remove ancient SCCS tags from the tree, automated scripting, with two minor fixup to keep things compiling. All the common forms in the tree were removed with a perl script. Sponsored by: Netflix
182 lines
7 KiB
C
182 lines
7 KiB
C
/* $OpenBSD: extern.h,v 1.55 2017/06/15 13:48:42 bcallah Exp $ */
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/* $NetBSD: extern.h,v 1.3 1996/01/13 23:25:24 pk Exp $ */
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/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Ozan Yigit at York University.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/* eval.c */
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extern void eval(const char *[], int, int, int);
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extern void dodefine(const char *, const char *);
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extern unsigned long expansion_id;
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/* expr.c */
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extern int expr(const char *);
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/* gnum4.c */
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extern void addtoincludepath(const char *);
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extern struct input_file *fopen_trypath(struct input_file *, const char *);
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extern void doindir(const char *[], int);
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extern void dobuiltin(const char *[], int);
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extern void dopatsubst(const char *[], int);
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extern void doregexp(const char *[], int);
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extern void doprintlineno(struct input_file *);
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extern void doprintfilename(struct input_file *);
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extern void doesyscmd(const char *);
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extern void getdivfile(const char *);
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extern void doformat(const char *[], int);
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extern void m4_warnx(const char *, ...);
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/* look.c */
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#define FLAG_UNTRACED 0
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#define FLAG_TRACED 1
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#define FLAG_NO_TRACE 2
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extern void init_macros(void);
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extern ndptr lookup(const char *);
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extern void mark_traced(const char *, int);
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extern struct ohash macros;
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extern struct macro_definition *lookup_macro_definition(const char *);
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extern void macro_define(const char *, const char *);
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extern void macro_pushdef(const char *, const char *);
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extern void macro_popdef(const char *);
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extern void macro_undefine(const char *);
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extern void setup_builtin(const char *, unsigned int);
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extern void macro_for_all(void (*)(const char *, struct macro_definition *));
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#define macro_getdef(p) ((p)->d)
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#define macro_name(p) ((p)->name)
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#define macro_builtin_type(p) ((p)->builtin_type)
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#define is_traced(p) ((p)->trace_flags == FLAG_NO_TRACE ? (trace_flags & TRACE_ALL) : (p)->trace_flags)
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extern ndptr macro_getbuiltin(const char *);
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/* main.c */
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extern void outputstr(const char *);
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extern void do_emit_synchline(void);
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extern int exit_code;
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#define emit_synchline() do { if (synch_lines) do_emit_synchline(); } while(0)
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/* misc.c */
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extern void chrsave(int);
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extern char *compute_prevep(void);
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extern void getdiv(int);
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extern ptrdiff_t indx(const char *, const char *);
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extern void initspaces(void);
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extern void killdiv(void);
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extern void onintr(int);
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extern void pbnum(int);
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extern void pbnumbase(int, int, int);
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extern void pbunsigned(unsigned long);
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extern void pbstr(const char *);
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extern void pushback(int);
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extern void *xalloc(size_t, const char *, ...) __printf0like(2, 3);
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extern void *xcalloc(size_t, size_t, const char *, ...) __printf0like(3, 4);
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extern void *xrealloc(void *, size_t, const char *, ...) __printf0like(3, 4);
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extern void *xreallocarray(void *, size_t, size_t, const char *, ...) __printf0like(4, 5);
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extern char *xstrdup(const char *);
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extern void usage(void);
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extern void resizedivs(int);
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extern size_t buffer_mark(void);
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extern void dump_buffer(FILE *, size_t);
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extern void m4errx(int, const char *, ...) __dead2 __printf0like(2, 3);
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extern int obtain_char(struct input_file *);
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extern void set_input(struct input_file *, FILE *, const char *);
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extern void release_input(struct input_file *);
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/* speeded-up versions of chrsave/pushback */
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#define PUSHBACK(c) \
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do { \
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if (bp >= endpbb) \
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enlarge_bufspace(); \
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*bp++ = (c); \
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} while(0)
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#define CHRSAVE(c) \
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do { \
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if (ep >= endest) \
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enlarge_strspace(); \
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*ep++ = (c); \
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} while(0)
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/* and corresponding exposure for local symbols */
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extern void enlarge_bufspace(void);
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extern void enlarge_strspace(void);
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extern unsigned char *endpbb;
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extern char *endest;
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/* trace.c */
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extern unsigned int trace_flags;
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#define TRACE_ALL 512
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extern void trace_file(const char *);
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extern size_t trace(const char **, int, struct input_file *);
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extern void finish_trace(size_t);
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extern void set_trace_flags(const char *);
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extern FILE *traceout;
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extern stae *mstack; /* stack of m4 machine */
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extern char *sstack; /* shadow stack, for string space extension */
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extern FILE *active; /* active output file pointer */
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extern struct input_file infile[];/* input file stack (0=stdin) */
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extern FILE **outfile; /* diversion array(0=bitbucket) */
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extern int maxout; /* maximum number of diversions */
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extern int fp; /* m4 call frame pointer */
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extern int ilevel; /* input file stack pointer */
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extern int oindex; /* diversion index. */
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extern int sp; /* current m4 stack pointer */
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extern unsigned char *bp; /* first available character */
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extern unsigned char *buf; /* push-back buffer */
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extern unsigned char *bufbase; /* buffer base for this ilevel */
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extern unsigned char *bbase[]; /* buffer base per ilevel */
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extern char ecommt[MAXCCHARS+1];/* end character for comment */
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extern char *ep; /* first free char in strspace */
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extern char lquote[MAXCCHARS+1];/* left quote character (`) */
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extern char **m4wraps; /* m4wrap string default. */
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extern int maxwraps; /* size of m4wraps array */
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extern int wrapindex; /* current index in m4wraps */
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extern const char *null; /* as it says.. just a null. */
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extern char rquote[MAXCCHARS+1];/* right quote character (') */
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extern char scommt[MAXCCHARS+1];/* start character for comment */
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extern int synch_lines; /* line synchronisation directives */
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extern int mimic_gnu; /* behaves like gnu-m4 */
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extern int prefix_builtins; /* prefix builtin macros with m4_ */
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extern int error_warns; /* make warnings cause exit_code = 1 */
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extern int fatal_warns; /* make warnings fatal */
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