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Upgrade to code which should satisfy all things which we have

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This commit is contained in:
Andrey A. Chernov 1995-01-11 06:12:04 +00:00
parent f4ae9090f4
commit 712624913e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=5502
3 changed files with 588 additions and 746 deletions
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2
gnu/lib/libregex/Makefile
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@ -2,7 +2,7 @@
LIB= gnuregex
CFLAGS+=-DHAVE_STRING_H=1 -DSTDC_HEADERS=1
CFLAGS+=-I${.CURDIR} -DHAVE_STRING_H=1 -DSTDC_HEADERS=1
SRCS= regex.c
NOMAN= noman

1303
gnu/lib/libregex/regex.c
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File diff suppressed because it is too large Load Diff

29
gnu/lib/libregex/regex.h
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@ -30,16 +30,23 @@
#endif
/* The following two types have to be signed and unsigned integer type
wide enough to hold a value of a pointer. For most ANSI compilers
ptrdiff_t and size_t should be likely OK. Still size of these two
types is 2 for Microsoft C. Ugh... */
typedef long s_reg_t;
typedef unsigned long active_reg_t;
/* 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;
typedef unsigned long 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)
#define RE_BACKSLASH_ESCAPE_IN_LISTS (1L)
/* If this bit is not set, then + and ? are operators, and \+ and \? are
literals.
@ -130,6 +137,10 @@ typedef unsigned reg_syntax_t;
If not set, then an unmatched ) is invalid. */
#define RE_UNMATCHED_RIGHT_PAREN_ORD (RE_NO_EMPTY_RANGES << 1)
/* If this bit is set, do not process the GNU regex operators.
IF not set, then the GNU regex operators are recognized. */
#define RE_NO_GNU_OPS (RE_UNMATCHED_RIGHT_PAREN_ORD << 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
@ -146,10 +157,13 @@ extern reg_syntax_t re_syntax_options;
(RE_BACKSLASH_ESCAPE_IN_LISTS | RE_DOT_NOT_NULL \
| RE_NO_BK_PARENS | RE_NO_BK_REFS \
| RE_NO_BK_VBAR | RE_NO_EMPTY_RANGES \
| RE_UNMATCHED_RIGHT_PAREN_ORD)
| RE_UNMATCHED_RIGHT_PAREN_ORD | RE_NO_GNU_OPS)
#define RE_SYNTAX_GNU_AWK \
(RE_SYNTAX_POSIX_EXTENDED | RE_BACKSLASH_ESCAPE_IN_LISTS)
#define RE_SYNTAX_POSIX_AWK \
(RE_SYNTAX_POSIX_EXTENDED | RE_BACKSLASH_ESCAPE_IN_LISTS)
(RE_SYNTAX_GNU_AWK | RE_NO_GNU_OPS)
#define RE_SYNTAX_GREP \
(RE_BK_PLUS_QM | RE_CHAR_CLASSES \
@ -205,7 +219,8 @@ extern reg_syntax_t re_syntax_options;
#ifdef RE_DUP_MAX
#undef RE_DUP_MAX
#endif
#define RE_DUP_MAX ((1 << 15) - 1)
/* if sizeof(int) == 2, then ((1 << 15) - 1) overflows */
#define RE_DUP_MAX (0x7fff)
/* POSIX `cflags' bits (i.e., information for `regcomp'). */
@ -389,7 +404,7 @@ typedef struct
unfortunately clutters up the declarations a bit, but I think it's
worth it. */
#if __STDC__
#ifdef __STDC__
#define _RE_ARGS(args) args
@ -407,7 +422,7 @@ extern reg_syntax_t re_set_syntax _RE_ARGS ((reg_syntax_t syntax));
and syntax given by the global `re_syntax_options', into the buffer
BUFFER. Return NULL if successful, and an error string if not. */
extern const char *re_compile_pattern
_RE_ARGS ((const char *pattern, int length,
_RE_ARGS ((const char *pattern, size_t length,
struct re_pattern_buffer *buffer));