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-rw-r--r--generic/regex.h143
1 files changed, 61 insertions, 82 deletions
diff --git a/generic/regex.h b/generic/regex.h
index bb1080a..dfd11ec 100644
--- a/generic/regex.h
+++ b/generic/regex.h
@@ -4,20 +4,20 @@
* regular expressions
*
* Copyright (c) 1998, 1999 Henry Spencer. All rights reserved.
- *
+ *
* Development of this software was funded, in part, by Cray Research Inc.,
* UUNET Communications Services Inc., Sun Microsystems Inc., and Scriptics
- * Corporation, none of whom are responsible for the results. The author
- * thanks all of them.
- *
+ * Corporation, none of whom are responsible for the results. The author
+ * thanks all of them.
+ *
* Redistribution and use in source and binary forms -- with or without
* modification -- are permitted for any purpose, provided that
* redistributions in source form retain this entire copyright notice and
* indicate the origin and nature of any modifications.
*
- * I'd appreciate being given credit for this package in the documentation
- * of software which uses it, but that is not a requirement.
- *
+ * I'd appreciate being given credit for this package in the documentation of
+ * software which uses it, but that is not a requirement.
+ *
* THIS SOFTWARE IS PROVIDED ``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
@@ -30,38 +30,35 @@
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
- *
* Prototypes etc. marked with "^" within comments get gathered up (and
- * possibly edited) by the regfwd program and inserted near the bottom of
- * this file.
+ * possibly edited) by the regfwd program and inserted near the bottom of this
+ * file.
*
- * We offer the option of declaring one wide-character version of the
- * RE functions as well as the char versions. To do that, define
- * __REG_WIDE_T to the type of wide characters (unfortunately, there
- * is no consensus that wchar_t is suitable) and __REG_WIDE_COMPILE and
- * __REG_WIDE_EXEC to the names to be used for the compile and execute
- * functions (suggestion: re_Xcomp and re_Xexec, where X is a letter
- * suggestive of the wide type, e.g. re_ucomp and re_uexec for Unicode).
- * For cranky old compilers, it may be necessary to do something like:
+ * We offer the option of declaring one wide-character version of the RE
+ * functions as well as the char versions. To do that, define __REG_WIDE_T to
+ * the type of wide characters (unfortunately, there is no consensus that
+ * wchar_t is suitable) and __REG_WIDE_COMPILE and __REG_WIDE_EXEC to the
+ * names to be used for the compile and execute functions (suggestion:
+ * re_Xcomp and re_Xexec, where X is a letter suggestive of the wide type,
+ * e.g. re_ucomp and re_uexec for Unicode). For cranky old compilers, it may
+ * be necessary to do something like:
* #define __REG_WIDE_COMPILE(a,b,c,d) re_Xcomp(a,b,c,d)
* #define __REG_WIDE_EXEC(a,b,c,d,e,f,g) re_Xexec(a,b,c,d,e,f,g)
* rather than just #defining the names as parameterless macros.
*
* For some specialized purposes, it may be desirable to suppress the
- * declarations of the "front end" functions, regcomp() and regexec(),
- * or of the char versions of the compile and execute functions. To
- * suppress the front-end functions, define __REG_NOFRONT. To suppress
- * the char versions, define __REG_NOCHAR.
+ * declarations of the "front end" functions, regcomp() and regexec(), or of
+ * the char versions of the compile and execute functions. To suppress the
+ * front-end functions, define __REG_NOFRONT. To suppress the char versions,
+ * define __REG_NOCHAR.
*
* The right place to do those defines (and some others you may want, see
- * below) would be <sys/types.h>. If you don't have control of that file,
- * the right place to add your own defines to this file is marked below.
- * This is normally done automatically, by the makefile and regmkhdr, based
- * on the contents of regcustom.h.
+ * below) would be <sys/types.h>. If you don't have control of that file, the
+ * right place to add your own defines to this file is marked below. This is
+ * normally done automatically, by the makefile and regmkhdr, based on the
+ * contents of regcustom.h.
*/
-
-
/*
* voodoo for C++
*/
@@ -69,18 +66,15 @@
extern "C" {
#endif
-
-
/*
* Add your own defines, if needed, here.
*/
-
-
/*
- * Location where a chunk of regcustom.h is automatically spliced into
- * this file (working from its prototype, regproto.h).
+ * Location where a chunk of regcustom.h is automatically spliced into this
+ * file (working from its prototype, regproto.h).
*/
+
/* --- begin --- */
/* ensure certain things don't sneak in from system headers */
#ifdef __REG_WIDE_T
@@ -121,15 +115,14 @@ extern "C" {
#define regerror TclReError
/* --- end --- */
-
/*
* interface types etc.
*/
/*
- * regoff_t has to be large enough to hold either off_t or ssize_t,
- * and must be signed; it's only a guess that long is suitable, so we
- * offer <sys/types.h> an override.
+ * regoff_t has to be large enough to hold either off_t or ssize_t, and must
+ * be signed; it's only a guess that long is suitable, so we offer
+ * <sys/types.h> an override.
*/
#ifdef __REG_REGOFF_T
typedef __REG_REGOFF_T regoff_t;
@@ -148,8 +141,8 @@ typedef void re_void;
#endif
/*
- * Also for benefit of old compilers, <sys/types.h> can supply a macro
- * which expands to a substitute for `const'.
+ * Also for benefit of old compilers, <sys/types.h> can supply a macro which
+ * expands to a substitute for `const'.
*/
#ifndef __REG_CONST
#define __REG_CONST const
@@ -163,43 +156,41 @@ typedef void re_void;
/* the biggie, a compiled RE (or rather, a front end to same) */
typedef struct {
- int re_magic; /* magic number */
- size_t re_nsub; /* number of subexpressions */
- long re_info; /* information about RE */
-# define REG_UBACKREF 000001
-# define REG_ULOOKAHEAD 000002
-# define REG_UBOUNDS 000004
-# define REG_UBRACES 000010
-# define REG_UBSALNUM 000020
-# define REG_UPBOTCH 000040
-# define REG_UBBS 000100
-# define REG_UNONPOSIX 000200
-# define REG_UUNSPEC 000400
-# define REG_UUNPORT 001000
-# define REG_ULOCALE 002000
-# define REG_UEMPTYMATCH 004000
-# define REG_UIMPOSSIBLE 010000
-# define REG_USHORTEST 020000
- int re_csize; /* sizeof(character) */
- char *re_endp; /* backward compatibility kludge */
- /* the rest is opaque pointers to hidden innards */
- char *re_guts; /* `char *' is more portable than `void *' */
- char *re_fns;
+ int re_magic; /* magic number */
+ size_t re_nsub; /* number of subexpressions */
+ long re_info; /* information about RE */
+#define REG_UBACKREF 000001
+#define REG_ULOOKAHEAD 000002
+#define REG_UBOUNDS 000004
+#define REG_UBRACES 000010
+#define REG_UBSALNUM 000020
+#define REG_UPBOTCH 000040
+#define REG_UBBS 000100
+#define REG_UNONPOSIX 000200
+#define REG_UUNSPEC 000400
+#define REG_UUNPORT 001000
+#define REG_ULOCALE 002000
+#define REG_UEMPTYMATCH 004000
+#define REG_UIMPOSSIBLE 010000
+#define REG_USHORTEST 020000
+ int re_csize; /* sizeof(character) */
+ char *re_endp; /* backward compatibility kludge */
+ /* the rest is opaque pointers to hidden innards */
+ char *re_guts; /* `char *' is more portable than `void *' */
+ char *re_fns;
} regex_t;
/* result reporting (may acquire more fields later) */
typedef struct {
- regoff_t rm_so; /* start of substring */
- regoff_t rm_eo; /* end of substring */
+ regoff_t rm_so; /* start of substring */
+ regoff_t rm_eo; /* end of substring */
} regmatch_t;
/* supplementary control and reporting */
typedef struct {
- regmatch_t rm_extend; /* see REG_EXPECT */
+ regmatch_t rm_extend; /* see REG_EXPECT */
} rm_detail_t;
-
-
/*
* compilation
^ #ifndef __REG_NOCHAR
@@ -231,8 +222,6 @@ typedef struct {
#define REG_FAKE 010000 /* none of your business :-) */
#define REG_PROGRESS 020000 /* none of your business :-) */
-
-
/*
* execution
^ #ifndef __REG_NOCHAR
@@ -254,23 +243,19 @@ typedef struct {
#define REG_MTRACE 0020 /* none of your business */
#define REG_SMALL 0040 /* none of your business */
-
-
/*
* misc generics (may be more functions here eventually)
^ re_void regfree(regex_t *);
*/
-
-
/*
* error reporting
* Be careful if modifying the list of error codes -- the table used by
* regerror() is generated automatically from this file!
*
- * Note that there is no wide-char variant of regerror at this time; what
- * kind of character is used for error reports is independent of what kind
- * is used in matching.
+ * Note that there is no wide-char variant of regerror at this time; what kind
+ * of character is used for error reports is independent of what kind is used
+ * in matching.
*
^ extern size_t regerror(int, __REG_CONST regex_t *, char *, size_t);
*/
@@ -296,8 +281,6 @@ typedef struct {
#define REG_ATOI 101 /* convert error-code name to number */
#define REG_ITOA 102 /* convert error-code number to name */
-
-
/*
* the prototypes, as possibly munched by regfwd
*/
@@ -327,8 +310,6 @@ extern size_t regerror(int, __REG_CONST regex_t *, char *, size_t);
/* automatically gathered by fwd; do not hand-edit */
/* =====^!^===== end forwards =====^!^===== */
-
-
/*
* more C++ voodoo
*/
@@ -336,6 +317,4 @@ extern size_t regerror(int, __REG_CONST regex_t *, char *, size_t);
}
#endif
-
-
#endif