recording cvs-1.6 file death

1 files changed, 0 insertions, 479 deletions

diff --git a/gnu/usr.bin/cvs/lib/regex.h b/gnu/usr.bin/cvs/lib/regex.h
deleted file mode 100644
index 546b8a9..0000000
--- a/gnu/usr.bin/cvs/lib/regex.h
+++ /dev/null
@@ -1,479 +0,0 @@
-/* Definitions for data structures and routines for the regular
-   expression library, version REPLACE-WITH-VERSION.
-
-   Copyright (C) 1985, 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2, or (at your option)
-   any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
-
-#ifndef __REGEXP_LIBRARY_H__
-#define __REGEXP_LIBRARY_H__
-
-/* POSIX says that <sys/types.h> must be included before <regex.h>.  */
-
-/* The following bits are used to determine the regexp syntax we
-   recognize.  The set/not-set meanings are chosen so that Emacs syntax
-   remains the value 0.  The bits are given in alphabetical order, and
-   the definitions shifted by one from the previous bit; thus, when we
-   add or remove a bit, only one other definition need change.  */
-typedef unsigned reg_syntax_t;
-
-/* If this bit is not set, then \ inside a bracket expression is literal.
-   If set, then such a \ quotes the following character.  */
-#define RE_BACKSLASH_ESCAPE_IN_LISTS (1)
-
-/* If this bit is not set, then + and ? are operators, and \+ and \? are
-     literals. 
-   If set, then \+ and \? are operators and + and ? are literals.  */
-#define RE_BK_PLUS_QM (RE_BACKSLASH_ESCAPE_IN_LISTS << 1)
-
-/* If this bit is set, then character classes are supported.  They are:
-     [:alpha:], [:upper:], [:lower:],  [:digit:], [:alnum:], [:xdigit:],
-     [:space:], [:print:], [:punct:], [:graph:], and [:cntrl:].
-   If not set, then character classes are not supported.  */
-#define RE_CHAR_CLASSES (RE_BK_PLUS_QM << 1)
-
-/* If this bit is set, then ^ and $ are always anchors (outside bracket
-     expressions).
-   If this bit is not set, then it depends:
-        ^  is an anchor if it is at the beginning of a regular
-           expression or after an open-group or an alternation operator;
-        $  is an anchor if it is at the end of a regular expression, or
-           before a close-group or an alternation operator.  
-   This bit could be (re)combined with RE_CONTEXT_INDEP_OPS, because
-   POSIX now says that the behavior of * etc. in leading positions is
-   undefined.  We have already implemented a previous draft which
-   made those constructs invalid, so we may as well not change the code
-   back.  */
-#define RE_CONTEXT_INDEP_ANCHORS (RE_CHAR_CLASSES << 1)
-
-/* If this bit is set, then special characters are always special
-     regardless of where they are in the pattern.
-   If this bit is not set, then special characters are special only in
-     some contexts; otherwise they are ordinary.  Specifically, 
-     * + ? and intervals are only special when not after the beginning,
-     open-group, or alternation operator.  */
-#define RE_CONTEXT_INDEP_OPS (RE_CONTEXT_INDEP_ANCHORS << 1)
-
-/* If this bit is set, then *, +, ?, and { cannot be first in an re or
-   immediately after an alternation or begin-group operator.
-   Furthermore, alternation cannot be first or last in an re, or
-   immediately follow another alternation or begin-group.  */
-#define RE_CONTEXT_INVALID_OPS (RE_CONTEXT_INDEP_OPS << 1)
-
-/* If this bit is set, then . matches a newline.
-   If not set, then it doesn't.  */
-#define RE_DOT_NEWLINE (RE_CONTEXT_INVALID_OPS << 1)
-
-/* If this bit is set, then period doesn't match a null.
-   If not set, then it does.  */
-#define RE_DOT_NOT_NULL (RE_DOT_NEWLINE << 1)
-
-/* If this bit is set, nonmatching lists [^...] do not match newline.
-   If not set, they do.  */
-#define RE_HAT_LISTS_NOT_NEWLINE (RE_DOT_NOT_NULL << 1)
-
-/* If this bit is set, either \{...\} or {...} defines an
-     interval, depending on RE_NO_BK_BRACES. 
-   If not set, \{, \}, {, and } are literals.  */
-#define RE_INTERVALS (RE_HAT_LISTS_NOT_NEWLINE << 1)
-
-/* If this bit is set,  +, ? and | aren't recognized as operators.
-   If not set, they are.  */
-#define RE_LIMITED_OPS (RE_INTERVALS << 1)
-
-/* If this bit is set, newline is an alternation operator.
-   If not set, newline is literal.  */
-#define RE_NEWLINE_ALT (RE_LIMITED_OPS << 1)
-
-/* If this bit is set, newline in the pattern is an ordinary character.
-   If not set, newline before ^ or after $ allows the ^ or $ to be an
-     anchor.  */
-#define RE_NEWLINE_ORDINARY (RE_NEWLINE_ALT << 1)
-
-/* If this bit is not set, then \{ and \} defines an interval,
-     and { and } are literals.
-   If set, then { and } defines an interval, and \{ and \} are literals.  */
-#define RE_NO_BK_BRACES (RE_NEWLINE_ORDINARY << 1)
-
-/* If this bit is set, (...) defines a group, and \( and \) are literals.
-   If not set, \(...\) defines a group, and ( and ) are literals.  */
-#define RE_NO_BK_PARENS (RE_NO_BK_BRACES << 1)
-
-/* If this bit is set, then back references (i.e., \<digit>) are not
-     recognized.
-   If not set, then they are.  */
-#define RE_NO_BK_REFS (RE_NO_BK_PARENS << 1)
-
-/* If this bit is set, then | is an alternation operator, and \| is literal. 
-   If not set, then \| is an alternation operator, and | is literal.  */
-#define RE_NO_BK_VBAR (RE_NO_BK_REFS << 1)
-
-/* If this bit is set, then you can't have empty alternatives.
-   If not set, then you can.  */
-#define RE_NO_EMPTY_ALTS (RE_NO_BK_VBAR << 1)
-
-/* If this bit is set, then you can't have empty groups.
-   If not set, then you can.  */
-#define RE_NO_EMPTY_GROUPS (RE_NO_EMPTY_ALTS << 1)
-
-/* If this bit is set, then an ending range point has to collate higher
-     than or equal to the starting range point.
-   If not set, then when the ending range point collates higher than the
-     starting range point, we consider such a range to be empty.  */ 
-#define RE_NO_EMPTY_RANGES (RE_NO_EMPTY_GROUPS << 1)
-
-/* If this bit is set, then all back references must refer to a preceding
-     subexpression.
-   If not set, then a back reference to a nonexistent subexpression is
-     treated as literal characters.  */ 
-#define RE_NO_MISSING_BK_REF (RE_NO_EMPTY_RANGES << 1)
-
-/* If this bit is set, then Regex considers an unmatched close-group
-     operator to be the ordinary character parenthesis.
-   If not set, then an unmatched close-group operator is invalid.  */
-#define RE_UNMATCHED_RIGHT_PAREN_ORD (RE_NO_MISSING_BK_REF << 1)
-
-/* This global variable defines the particular regexp syntax to use (for
-   some interfaces).  When a regexp is compiled, the syntax used is
-   stored in the pattern buffer, so changing this does not affect
-   already-compiled regexps.  */
-extern reg_syntax_t obscure_syntax;
-
-
-
-/* Define combinations of the above bits for the standard possibilities.
-   (The [[[ comments delimit what gets put into the Texinfo file.) */ 
-/* [[[begin syntaxes]]] */
-#define RE_SYNTAX_EMACS 0
-
-#define RE_SYNTAX_POSIX_AWK 						\
-  (RE_CONTEXT_INDEP_ANCHORS | RE_CONTEXT_INDEP_OPS | RE_NO_BK_PARENS	\
-   | RE_NO_BK_VBAR) 
-
-#define RE_SYNTAX_AWK							\
-  (RE_BACKSLASH_ESCAPE_IN_LISTS | RE_SYNTAX_POSIX_AWK)
-
-#define RE_SYNTAX_GREP							\
-  (RE_BK_PLUS_QM | RE_NEWLINE_ALT)
-
-#define RE_SYNTAX_EGREP							\
-  (RE_CONTEXT_INDEP_ANCHORS | RE_CONTEXT_INDEP_OPS			\
-   | RE_NEWLINE_ALT | RE_NO_BK_PARENS | RE_NO_BK_VBAR)
-
-#define RE_SYNTAX_POSIX_BASIC						\
-  (RE_CHAR_CLASSES | RE_DOT_NEWLINE					\
-   | RE_DOT_NOT_NULL | RE_INTERVALS | RE_LIMITED_OPS			\
-   | RE_NEWLINE_ORDINARY | RE_NO_EMPTY_RANGES | RE_NO_MISSING_BK_REF)
-
-#define RE_SYNTAX_POSIX_EXTENDED					\
-  (RE_CHAR_CLASSES | RE_CONTEXT_INDEP_ANCHORS				\
-   | RE_CONTEXT_INVALID_OPS | RE_DOT_NEWLINE | RE_DOT_NOT_NULL		\
-   | RE_INTERVALS | RE_NEWLINE_ORDINARY | RE_NO_BK_BRACES		\
-   | RE_NO_BK_PARENS | RE_NO_BK_REFS | RE_NO_BK_VBAR			\
-   | RE_NO_EMPTY_ALTS | RE_NO_EMPTY_GROUPS | RE_NO_EMPTY_RANGES		\
-   | RE_UNMATCHED_RIGHT_PAREN_ORD)
-/* [[[end syntaxes]]] */
-
-
-
-
-/* Maximum number of duplicates an interval can allow.  */
-#undef RE_DUP_MAX
-#define RE_DUP_MAX  ((1 << 15) - 1) 
-
-
-/* POSIX `cflags' bits (i.e., information for regcomp).  */
-
-/* If this bit is set, then use extended regular expression syntax.
-   If not set, then use basic regular expression syntax.  */
-#define REG_EXTENDED 1
-
-/* If this bit is set, then ignore case when matching.
-   If not set, then case is significant.  */
-#define REG_ICASE (REG_EXTENDED << 1)
- 
-/* If this bit is set, then anchors do not match at newline
-     characters in the string.
-   If not set, then anchors do match at newlines.  */
-#define REG_NEWLINE (REG_ICASE << 1)
-
-/* If this bit is set, then report only success or fail in regexec.
-   If not set, then returns differ between not matching and errors.  */
-#define REG_NOSUB (REG_NEWLINE << 1)
-
-
-/* POSIX `eflags' bits (i.e., information for regexec).  */
-
-/* If this bit is set, then the beginning-of-line operator doesn't match
-     the beginning of the string (presumably because it's not the
-     beginning of a line).
-   If not set, then the beginning-of-line operator does match the
-     beginning of the string.  */
-#define REG_NOTBOL 1
-
-/* Like REG_NOTBOL, except for the end-of-line.  */
-#define REG_NOTEOL (1 << 1)
-
-
-/* If any error codes are removed, changed, or added, update the
-   `re_error_msg' table in regex.c.  */
-typedef enum
-{
-  REG_NOERROR = 0,	/* Success.  */
-  REG_NOMATCH,		/* Didn't find a match (for regexec).  */
-
-  /* POSIX regcomp return error codes.  (In the order listed in the
-     standard.)  */
-  REG_BADPAT,		/* Invalid pattern.  */
-  REG_ECOLLATE,		/* Not implemented.  */
-  REG_ECTYPE,		/* Invalid character class name.  */
-  REG_EESCAPE,		/* Trailing backslash.  */
-  REG_ESUBREG,		/* Invalid back reference.  */
-  REG_EBRACK,		/* Unmatched left bracket.  */
-  REG_EPAREN,		/* Parenthesis imbalance.  */ 
-  REG_EBRACE,		/* Unmatched \{.  */
-  REG_BADBR,		/* Invalid contents of \{\}.  */
-  REG_ERANGE,		/* Invalid range end.  */
-  REG_ESPACE,		/* Ran out of memory.  */
-  REG_BADRPT,		/* No preceding re for repetition op.  */
-
-  /* Error codes we've added.  */
-  REG_EEND,		/* Premature end.  */
-  REG_ESIZE,		/* Compiled pattern bigger than 2^16 bytes.  */
-  REG_ERPAREN		/* Unmatched ) or \); not returned from regcomp.  */
-} reg_errcode_t;
-
-
-
-
-/* This data structure represents a compiled pattern.  Before calling
-   the pattern compiler, the fields `buffer', `allocated', `fastmap',
-   `translate', and `no_sub' can be set.  After the pattern has been
-   compiled, the `re_nsub' field is available.  All other fields are
-   private to the regex routines.  */
-
-struct re_pattern_buffer
-{
-/* [[[begin pattern_buffer]]] */
-	/* Space that holds the compiled pattern.  It is declared as
-          `unsigned char *' because its elements are
-           sometimes used as array indexes.  */
-  unsigned char *buffer;
-
-	/* Number of bytes to which `buffer' points.  */
-  unsigned long allocated;
-
-	/* Number of bytes actually used in `buffer'.  */
-  unsigned long used;	
-
-        /* Syntax setting with which the pattern was compiled.  */
-  reg_syntax_t syntax;
-
-        /* Pointer to a fastmap, if any, otherwise zero.  re_search uses
-           the fastmap, if there is one, to skip over impossible
-           starting points for matches.  */
-  char *fastmap;
-
-        /* Either a translate table to apply to all characters before
-           comparing them, or zero for no translation.  The translation
-           is applied to a pattern when it is compiled and to a string
-           when it is matched.  */
-  char *translate;
-
-	/* Number of subexpressions found by the compiler.  */
-  size_t re_nsub;
-
-        /* Set to 1 by re_compile_fastmap if this pattern can match the
-           null string; 0 prevents the searcher from matching it with
-           the null string.  Set to 2 if it might match the null string
-           either at the end of a search range or just before a
-           character listed in the fastmap.  */
-  unsigned can_be_null : 2;
-
-        /* Set to zero when regex_compile compiles a pattern; set to one
-           by re_compile_fastmap when it updates the fastmap, if any.  */
-  unsigned fastmap_accurate : 1;
-
-        /* If set, regexec reports only success or failure and does not
-           return anything in pmatch.  */
-  unsigned no_sub : 1;
-
-        /* If set, a beginning-of-line anchor doesn't match at the
-           beginning of the string.  */ 
-  unsigned not_bol : 1;
-
-        /* Similarly for an end-of-line anchor.  */
-  unsigned not_eol : 1;
-
-        /* If true, an anchor at a newline matches.  */
-  unsigned newline_anchor : 1;
-
-        /* If set, re_match_2 assumes a non-null REGS argument is
-           initialized.  If not set, REGS is initialized to the max of
-           RE_NREGS and re_nsub + 1 registers.  */
-  unsigned caller_allocated_regs : 1;
-/* [[[end pattern_buffer]]] */
-};
-
-typedef struct re_pattern_buffer regex_t;
-
-
-/* search.c (search_buffer) in Emacs needs this one opcode value.  It is
-   defined both in `regex.c' and here.  */
-#define RE_EXACTN_VALUE 1
-
-
-
-
-/* Type for byte offsets within the string.  POSIX mandates us defining
-   this.  */
-typedef int regoff_t;
-
-
-/* This is the structure we store register match data in.  See
-   regex.texinfo for a full description of what registers match.  */
-struct re_registers
-{
-  unsigned num_regs;
-  regoff_t *start;
-  regoff_t *end;
-};
-
-
-/* If `caller_allocated_regs' is zero in the pattern buffer, re_match_2
-   returns information about this many registers.  */
-#ifndef RE_NREGS
-#define RE_NREGS 30
-#endif
-
-
-/* POSIX specification for registers.  Aside from the different names than
-   `re_registers', POSIX uses an array of structures, instead of a
-   structure of arrays.  */
-typedef struct
-{
-  regoff_t rm_so;  /* Byte offset from string's start to substring's start.  */
-  regoff_t rm_eo;  /* Byte offset from string's start to substring's end.  */
-} regmatch_t;
-
-
-
-
-/* Declarations for routines.  */
-
-#if __STDC__
-
-/* Sets the current syntax to SYNTAX.  You can also simply assign to the
-   `obscure_syntax' variable.  */
-extern reg_syntax_t re_set_syntax (reg_syntax_t syntax);
-
-/* Compile the regular expression PATTERN, with length LENGTH
-   and syntax given by the global `obscure_syntax', into the buffer
-   BUFFER.  Return NULL if successful, and an error string if not.  */
-extern const char *re_compile_pattern (const char *pattern, int length,
-                                       struct re_pattern_buffer *buffer);
-
-
-/* Compile a fastmap for the compiled pattern in BUFFER; used to
-   accelerate searches.  Return 0 if successful and -2 if was an
-   internal error.  */
-extern int re_compile_fastmap (struct re_pattern_buffer *buffer);
-
-
-/* Search in the string STRING (with length LENGTH) for the pattern
-   compiled into BUFFER.  Start searching at position START, for RANGE
-   characters.  Return the starting position of the match, -1 for no
-   match, or -2 for an internal error.  Also return register
-   information in REGS (if REGS and BUFFER->no_sub are nonzero).  */
-extern int re_search (struct re_pattern_buffer *buffer,
-                      const char *string, int length,
-                      int start, int range, 
-		      struct re_registers *regs);
-
-
-/* Like `re_search', but search in the concatenation of STRING1 and
-   STRING2.  Also, stop searching at index START + STOP.  */
-extern int re_search_2 (struct re_pattern_buffer *buffer,
-                        const char *string1, int length1,
-		        const char *string2, int length2,
-                        int start, int range, 
-                        struct re_registers *regs,
-                        int stop);
-
-
-/* Like `re_search', but return how many characters in STRING the regexp
-   in BUFFER matched, starting at position START.  */
-extern int re_match (const struct re_pattern_buffer *buffer,
-                     const char *string, int length,
-                     int start, struct re_registers *regs);
-
-
-/* Relates to `re_match' as `re_search_2' relates to `re_search'.  */
-extern int re_match_2 (const struct re_pattern_buffer *buffer,
-                       const char *string1, int length1,
-	               const char *string2, int length2,
-                       int start,
-                       struct re_registers *regs,
-                       int stop);
-
-
-#ifndef	__FreeBSD__
-/* 4.2 bsd compatibility.  */
-#ifndef bsdi
-extern const char *re_comp (const char *);
-#endif
-extern int re_exec (const char *);
-#endif
-
-/* POSIX compatibility.  */
-extern int regcomp (regex_t *preg, const char *pattern, int cflags);
-extern int regexec (const regex_t *preg, const char *string, size_t nmatch,
-		    regmatch_t pmatch[], int eflags);
-extern size_t regerror (int errcode, const regex_t *preg, char *errbuf, 
-			size_t errbuf_size);
-extern void regfree (regex_t *preg);
-
-#else /* not __STDC__ */
-
-/* Support old C compilers.  */
-#define const
-
-extern reg_syntax_t re_set_syntax ();
-extern char *re_compile_pattern ();
-extern int re_search (), re_search_2 ();
-extern int re_match (), re_match_2 ();
-
-/* 4.2 BSD compatibility.  */
-extern char *re_comp ();
-extern int re_exec ();
-
-/* POSIX compatibility.  */
-extern int regcomp ();
-extern int regexec ();
-extern size_t regerror ();
-extern void regfree ();
-
-#endif /* not __STDC__ */
-#endif /* not __REGEXP_LIBRARY_H__ */
-
-
-
-/*
-Local variables:
-make-backup-files: t
-version-control: t
-trim-versions-without-asking: nil
-End:
-*/