#include "squid.h"
#include <strings.h>
#include "compat/GnuRegex.h"
#include <ctype.h>

Include dependency graph for GnuRegex.c:

Classes
struct	compile_stack_elt_t

struct	compile_stack_type

struct	fail_stack_type

union	register_info_type

Macros
#define	_GNU_SOURCE 1

#define	REGEX_MALLOC 1

#define	Sword 1

#define	CHAR_SET_SIZE 256

#define	isascii(c) 1

#define	ISBLANK(c) ((c) == ' ' \|\| (c) == '\t')

#define	ISGRAPH(c) (isascii ((unsigned char)c) && isprint ((unsigned char)c) && !isspace ((unsigned char)c))

#define	ISPRINT(c) (isascii ((unsigned char)c) && isprint ((unsigned char)c))

#define	ISDIGIT(c) (isascii ((unsigned char)c) && isdigit ((unsigned char)c))

#define	ISALNUM(c) (isascii ((unsigned char)c) && isalnum ((unsigned char)c))

#define	ISALPHA(c) (isascii ((unsigned char)c) && isalpha ((unsigned char)c))

#define	ISCNTRL(c) (isascii ((unsigned char)c) && iscntrl ((unsigned char)c))

#define	ISLOWER(c) (isascii ((unsigned char)c) && islower ((unsigned char)c))

#define	ISPUNCT(c) (isascii ((unsigned char)c) && ispunct ((unsigned char)c))

#define	ISSPACE(c) (isascii ((unsigned char)c) && isspace ((unsigned char)c))

#define	ISUPPER(c) (isascii ((unsigned char)c) && isupper ((unsigned char)c))

#define	ISXDIGIT(c) (isascii ((unsigned char)c) && isxdigit ((unsigned char)c))

#define	SIGN_EXTEND_CHAR(c) ((((unsigned char) (c)) ^ 128) - 128)

#define	REGEX_ALLOCATE malloc

#define	REGEX_REALLOCATE(source, osize, nsize) realloc (source, nsize)

#define	FIRST_STRING_P(ptr) (size1 && string1 <= (ptr) && (ptr) <= string1 + size1)

#define	TALLOC(n, t) ((t ) malloc ((n) sizeof (t)))

#define	RETALLOC(addr, n, t) ((addr) = (t ) realloc (addr, (n) sizeof (t)))

#define	REGEX_TALLOC(n, t) ((t ) REGEX_ALLOCATE ((n) sizeof (t)))

#define	BYTEWIDTH 8 /* In bits. */

#define	STREQ(s1, s2) ((strcmp (s1, s2) == 0))

#define	false 0

#define	true 1

#define	STORE_NUMBER(destination, number)

#define	STORE_NUMBER_AND_INCR(destination, number)

#define	EXTRACT_NUMBER(destination, source)

#define	EXTRACT_NUMBER_AND_INCR(destination, source)

#define	assert(e)

#define	DEBUG_STATEMENT(e)

#define	DEBUG_PRINT1(x)

#define	DEBUG_PRINT2(x1, x2)

#define	DEBUG_PRINT3(x1, x2, x3)

#define	DEBUG_PRINT4(x1, x2, x3, x4)

#define	DEBUG_PRINT_COMPILED_PATTERN(p, s, e)

#define	DEBUG_PRINT_DOUBLE_STRING(w, s1, sz1, s2, sz2)

#define	PATFETCH(c)

#define	PATFETCH_RAW(c)

#define	PATUNFETCH p--

#define	TRANSLATE(d) (translate ? translate[(unsigned char) (d)] : (d))

#define	INIT_BUF_SIZE 32

#define	GET_BUFFER_SPACE(n)

#define	BUF_PUSH(c)

#define	BUF_PUSH_2(c1, c2)

#define	BUF_PUSH_3(c1, c2, c3)

#define	STORE_JUMP(op, loc, to) store_op1 (op, loc, (to) - (loc) - 3)

#define	STORE_JUMP2(op, loc, to, arg) store_op2 (op, loc, (to) - (loc) - 3, arg)

#define	INSERT_JUMP(op, loc, to) insert_op1 (op, loc, (to) - (loc) - 3, b)

#define	INSERT_JUMP2(op, loc, to, arg) insert_op2 (op, loc, (to) - (loc) - 3, arg, b)

#define	MAX_BUF_SIZE (1L << 16)

#define	EXTEND_BUFFER()

#define	MAX_REGNUM 255

#define	INIT_COMPILE_STACK_SIZE 32

#define	COMPILE_STACK_TOP (compile_stack.stack[compile_stack.avail])

#define	SET_LIST_BIT(c)

#define	GET_UNSIGNED_NUMBER(num)

#define	CHAR_CLASS_MAX_LENGTH 6 /* Namely, `xdigit'. */

#define	IS_CHAR_CLASS(string)

#define	INIT_FAILURE_ALLOC 5

#define	FAIL_STACK_EMPTY() (fail_stack.avail == 0)

#define	FAIL_STACK_PTR_EMPTY() (fail_stack_ptr->avail == 0)

#define	FAIL_STACK_FULL() (fail_stack.avail == fail_stack.size)

#define	FAIL_STACK_TOP() (fail_stack.stack[fail_stack.avail])

#define	INIT_FAIL_STACK()

#define	DOUBLE_FAIL_STACK(fail_stack)

#define	PUSH_PATTERN_OP(pattern_op, fail_stack)

#define	PUSH_FAILURE_ITEM(item) fail_stack.stack[fail_stack.avail++] = (fail_stack_elt_t) item

#define	POP_FAILURE_ITEM() fail_stack.stack[--fail_stack.avail]

#define	DEBUG_PUSH(item)

#define	DEBUG_POP(item_addr)

#define	PUSH_FAILURE_POINT(pattern_place, string_place, failure_code)

#define	NUM_REG_ITEMS 3

#define	NUM_NONREG_ITEMS 4

#define	MAX_FAILURE_ITEMS ((num_regs - 1) * NUM_REG_ITEMS + NUM_NONREG_ITEMS)

#define	NUM_FAILURE_ITEMS

#define	REMAINING_AVAIL_SLOTS ((fail_stack).size - (fail_stack).avail)

#define	POP_FAILURE_POINT(str, pat, low_reg, high_reg, regstart, regend, reg_info)

#define	MATCH_NULL_UNSET_VALUE 3

#define	REG_MATCH_NULL_STRING_P(R) ((R).bits.match_null_string_p)

#define	IS_ACTIVE(R) ((R).bits.is_active)

#define	MATCHED_SOMETHING(R) ((R).bits.matched_something)

#define	EVER_MATCHED_SOMETHING(R) ((R).bits.ever_matched_something)

#define	SET_REGS_MATCHED()

#define	POINTER_TO_OFFSET(ptr) (FIRST_STRING_P (ptr) ? (ptr) - string1 : (ptr) - string2 + size1)

#define	REG_UNSET_VALUE ((char *) -1)

#define	REG_UNSET(e) ((e) == REG_UNSET_VALUE)

#define	MATCHING_IN_FIRST_STRING (dend == end_match_1)

#define	PREFETCH()

#define	AT_STRINGS_BEG(d) ((d) == (size1 ? string1 : string2) \|\| !size2)

#define	WORDCHAR_P(d)

#define	AT_WORD_BOUNDARY(d)

#define	FREE_VAR(var) if (var) free (var); var = NULL

#define	FREE_VARIABLES()

#define	NO_HIGHEST_ACTIVE_REG (1 << BYTEWIDTH)

#define	NO_LOWEST_ACTIVE_REG (NO_HIGHEST_ACTIVE_REG + 1)

Typedefs
typedef char	boolean

typedef unsigned	regnum_t

typedef int	pattern_offset_t

typedef const unsigned char *	fail_stack_elt_t

Enumerations
enum	re_opcode_t { no_op = 0, exactn = 1, anychar, charset, charset_not, start_memory, stop_memory, duplicate, begline, endline, begbuf, endbuf, jump, jump_past_alt, on_failure_jump, on_failure_keep_string_jump, pop_failure_jump, maybe_pop_jump, dummy_failure_jump, push_dummy_failure, succeed_n, jump_n, set_number_at, wordchar, notwordchar, wordbeg, wordend, wordbound, notwordbound }

Functions
static void	init_syntax_once (void)

static int	re_compile_fastmap (struct re_pattern_buffer *buffer)

static int	re_search (struct re_pattern_buffer buffer, const char string, int length, int start, int range, struct re_registers *regs)

static 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)

static int	re_match_2 (struct re_pattern_buffer buffer, const char string1, int length1, const char string2, int length2, int start, struct re_registers regs, int stop)

static void	store_op1 (re_opcode_t op, unsigned char *loc, int arg)

static void	store_op2 (re_opcode_t op, unsigned char *loc, int arg1, int arg2)

static void	insert_op1 (re_opcode_t op, unsigned char loc, int arg, unsigned char end)

static void	insert_op2 (re_opcode_t op, unsigned char loc, int arg1, int arg2, unsigned char end)

static boolean	at_begline_loc_p (const char pattern, const char p, reg_syntax_t syntax)

static boolean	at_endline_loc_p (const char p, const char pend, int syntax)

static boolean	group_in_compile_stack (compile_stack_type compile_stack, regnum_t regnum)

static reg_errcode_t	compile_range (const char *p_ptr, const char pend, char translate, reg_syntax_t syntax, unsigned char b)

static reg_errcode_t	regex_compile (const char pattern, int size, reg_syntax_t syntax, struct re_pattern_buffer bufp)

static boolean	alt_match_null_string_p (unsigned char p, unsigned char end, register_info_type *reg_info)

static boolean	common_op_match_null_string_p (unsigned char *p, unsigned char end, register_info_type *reg_info)

static int	bcmp_translate (unsigned char const s1, unsigned char const s2, register int len, char *translate)

static boolean	group_match_null_string_p (unsigned char *p, unsigned char end, register_info_type *reg_info)

static int	at_strings_end (const char d, const char end2)

static int	wordchar_p (const char d, const char end1, const char *string2)

int	regcomp (regex_t preg, const char pattern, int cflags)

int	regexec (regex_t preg, const char string, size_t nmatch, pmatch, int eflags) const

size_t	regerror (int errcode, const regex_t preg, char errbuf, size_t errbuf_size)

void	regfree (regex_t *preg)

Variables
static char	re_syntax_table [CHAR_SET_SIZE]

static const char *	re_error_msg []

int	re_max_failures = 2000

Macro Definition Documentation

◆ _GNU_SOURCE

#define _GNU_SOURCE 1

Definition at line 36 of file GnuRegex.c.

◆ assert

#define assert ( e )

Definition at line 711 of file GnuRegex.c.

◆ AT_STRINGS_BEG

#define AT_STRINGS_BEG ( d ) ((d) == (size1 ? string1 : string2) || !size2)

Definition at line 2739 of file GnuRegex.c.

◆ AT_WORD_BOUNDARY

#define AT_WORD_BOUNDARY ( d )

Value:

(AT_STRINGS_BEG (d) || at_strings_end(d,end2) \

|| WORDCHAR_P (d - 1) != WORDCHAR_P (d))

Definition at line 2763 of file GnuRegex.c.

◆ BUF_PUSH

#define BUF_PUSH ( c )

Value:

  do {                                  \
    GET_BUFFER_SPACE (1);                       \
    *b++ = (unsigned char) (c);                     \
  } while (0)

Definition at line 784 of file GnuRegex.c.

◆ BUF_PUSH_2

#define BUF_PUSH_2	(	c1,
		c2
	)

Value:

  do {                                  \
    GET_BUFFER_SPACE (2);                       \
    *b++ = (unsigned char) (c1);                    \
    *b++ = (unsigned char) (c2);                    \
  } while (0)

Definition at line 791 of file GnuRegex.c.

◆ BUF_PUSH_3

#define BUF_PUSH_3	(	c1,
		c2,
		c3
	)

Value:

  do {                                  \
    GET_BUFFER_SPACE (3);                       \
    *b++ = (unsigned char) (c1);                    \
    *b++ = (unsigned char) (c2);                    \
    *b++ = (unsigned char) (c3);                    \
  } while (0)

Definition at line 799 of file GnuRegex.c.

◆ BYTEWIDTH

#define BYTEWIDTH 8 /* In bits. */

Definition at line 226 of file GnuRegex.c.

◆ CHAR_CLASS_MAX_LENGTH

#define CHAR_CLASS_MAX_LENGTH 6 /* Namely, `xdigit'. */

Definition at line 923 of file GnuRegex.c.

◆ CHAR_SET_SIZE

#define CHAR_SET_SIZE 256

Definition at line 70 of file GnuRegex.c.

◆ COMPILE_STACK_TOP

#define COMPILE_STACK_TOP (compile_stack.stack[compile_stack.avail])

Definition at line 899 of file GnuRegex.c.

◆ DEBUG_POP

#define DEBUG_POP ( item_addr )

Definition at line 2104 of file GnuRegex.c.

◆ DEBUG_PRINT1

#define DEBUG_PRINT1 ( x )

Definition at line 714 of file GnuRegex.c.

◆ DEBUG_PRINT2

#define DEBUG_PRINT2	(	x1,
		x2
	)

Definition at line 715 of file GnuRegex.c.

◆ DEBUG_PRINT3

#define DEBUG_PRINT3	(	x1,
		x2,
		x3
	)

Definition at line 716 of file GnuRegex.c.

◆ DEBUG_PRINT4

#define DEBUG_PRINT4	(	x1,
		x2,
		x3,
		x4
	)

Definition at line 717 of file GnuRegex.c.

◆ DEBUG_PRINT_COMPILED_PATTERN

#define DEBUG_PRINT_COMPILED_PATTERN	(	p,
		s,
		e
	)

Definition at line 718 of file GnuRegex.c.

◆ DEBUG_PRINT_DOUBLE_STRING

#define DEBUG_PRINT_DOUBLE_STRING	(	w,
		s1,
		sz1,
		s2,
		sz2
	)

Definition at line 719 of file GnuRegex.c.

◆ DEBUG_PUSH

#define DEBUG_PUSH ( item )

Definition at line 2103 of file GnuRegex.c.

◆ DEBUG_STATEMENT

#define DEBUG_STATEMENT ( e )

Definition at line 713 of file GnuRegex.c.

◆ DOUBLE_FAIL_STACK

#define DOUBLE_FAIL_STACK ( fail_stack )

Value:

  ((fail_stack).size > re_max_failures * MAX_FAILURE_ITEMS      \
   ? 0                                  \
   : ((fail_stack).stack = (fail_stack_elt_t *)             \
        REGEX_REALLOCATE ((fail_stack).stack,               \
          (fail_stack).size * sizeof (fail_stack_elt_t),        \
          ((fail_stack).size << 1) * sizeof (fail_stack_elt_t)),    \
                                    \
      (fail_stack).stack == NULL                    \
      ? 0                               \
      : ((fail_stack).size <<= 1,                   \
         1)))

Definition at line 2065 of file GnuRegex.c.

◆ EVER_MATCHED_SOMETHING

#define EVER_MATCHED_SOMETHING ( R ) ((R).bits.ever_matched_something)

Definition at line 2693 of file GnuRegex.c.

◆ EXTEND_BUFFER

#define EXTEND_BUFFER ( )

Value:

  do {                                  \
    unsigned char *old_buffer = bufp->buffer;               \
    if (bufp->allocated == MAX_BUF_SIZE)                \
      return REG_ESIZE;                         \
    bufp->allocated <<= 1;                      \
    if (bufp->allocated > MAX_BUF_SIZE)                 \
      bufp->allocated = MAX_BUF_SIZE;                   \
    bufp->buffer = (unsigned char *) realloc (bufp->buffer, bufp->allocated);\
    if (bufp->buffer == NULL)                       \
      return REG_ESPACE;                        \
    /* If the buffer moved, move all the pointers into it.  */      \
    if (old_buffer != bufp->buffer)                 \
      {                                 \
        b = (b - old_buffer) + bufp->buffer;                \
        begalt = (begalt - old_buffer) + bufp->buffer;          \
        if (fixup_alt_jump)                     \
          fixup_alt_jump = (fixup_alt_jump - old_buffer) + bufp->buffer;\
        if (laststart)                          \
          laststart = (laststart - old_buffer) + bufp->buffer;      \
        if (pending_exact)                      \
          pending_exact = (pending_exact - old_buffer) + bufp->buffer;  \
      }                                 \
  } while (0)

Definition at line 833 of file GnuRegex.c.

◆ EXTRACT_NUMBER

#define EXTRACT_NUMBER	(	destination,
		source
	)

Value:

  do {                                  \
    (destination) = *(source) & 0377;                   \
    (destination) += SIGN_EXTEND_CHAR (*((source) + 1)) << 8;       \
  } while (0)

Definition at line 385 of file GnuRegex.c.

◆ EXTRACT_NUMBER_AND_INCR

#define EXTRACT_NUMBER_AND_INCR	(	destination,
		source
	)

Value:

  do {                                  \
    EXTRACT_NUMBER (destination, source);               \
    (source) += 2;                          \
  } while (0)

Definition at line 412 of file GnuRegex.c.

◆ FAIL_STACK_EMPTY

#define FAIL_STACK_EMPTY ( ) (fail_stack.avail == 0)

Definition at line 2039 of file GnuRegex.c.

◆ FAIL_STACK_FULL

#define FAIL_STACK_FULL ( ) (fail_stack.avail == fail_stack.size)

Definition at line 2041 of file GnuRegex.c.

◆ FAIL_STACK_PTR_EMPTY

#define FAIL_STACK_PTR_EMPTY ( ) (fail_stack_ptr->avail == 0)

Definition at line 2040 of file GnuRegex.c.

◆ FAIL_STACK_TOP

#define FAIL_STACK_TOP ( ) (fail_stack.stack[fail_stack.avail])

Definition at line 2042 of file GnuRegex.c.

◆ false

#define false 0

Definition at line 233 of file GnuRegex.c.

◆ FIRST_STRING_P

#define FIRST_STRING_P ( ptr ) (size1 && string1 <= (ptr) && (ptr) <= string1 + size1)

Definition at line 218 of file GnuRegex.c.

◆ FREE_VAR

#define FREE_VAR ( var ) if (var) free (var); var = NULL

Definition at line 2769 of file GnuRegex.c.

◆ FREE_VARIABLES

#define FREE_VARIABLES ( )

Value:

  do {                                  \
    FREE_VAR (fail_stack.stack);                    \
    FREE_VAR (regstart);                        \
    FREE_VAR (regend);                          \
    FREE_VAR (old_regstart);                        \
    FREE_VAR (old_regend);                      \
    FREE_VAR (best_regstart);                       \
    FREE_VAR (best_regend);                     \
    FREE_VAR (reg_info);                        \
    FREE_VAR (reg_dummy);                       \
    FREE_VAR (reg_info_dummy);                      \
  } while (0)

Definition at line 2770 of file GnuRegex.c.

◆ GET_BUFFER_SPACE

#define GET_BUFFER_SPACE ( n )

Value:

while (b - bufp->buffer + (n) > bufp->allocated) \

EXTEND_BUFFER ()

Definition at line 779 of file GnuRegex.c.

◆ GET_UNSIGNED_NUMBER

#define GET_UNSIGNED_NUMBER ( num )

Value:

  { if (p != pend)                          \
     {                                  \
       PATFETCH (c);                            \
       while (ISDIGIT (c))                      \
         {                              \
           if (num < 0)                         \
              num = 0;                          \
           num = num * 10 + c - '0';                    \
           if (p == pend)                       \
              break;                            \
           PATFETCH (c);                        \
         }                              \
       }                                \
    }

Definition at line 907 of file GnuRegex.c.

◆ INIT_BUF_SIZE

#define INIT_BUF_SIZE 32

Definition at line 776 of file GnuRegex.c.

◆ INIT_COMPILE_STACK_SIZE

#define INIT_COMPILE_STACK_SIZE 32

Definition at line 896 of file GnuRegex.c.

◆ INIT_FAIL_STACK

#define INIT_FAIL_STACK ( )

Value:

  do {                                  \
    fail_stack.stack = (fail_stack_elt_t *)             \
      REGEX_ALLOCATE (INIT_FAILURE_ALLOC * sizeof (fail_stack_elt_t));  \
                                    \
    if (fail_stack.stack == NULL)                   \
      return -2;                            \
                                    \
    fail_stack.size = INIT_FAILURE_ALLOC;               \
    fail_stack.avail = 0;                       \
  } while (0)

Definition at line 2046 of file GnuRegex.c.

◆ INIT_FAILURE_ALLOC

#define INIT_FAILURE_ALLOC 5

Definition at line 2022 of file GnuRegex.c.

◆ INSERT_JUMP

#define INSERT_JUMP	(	op,
		loc,
		to
	)	insert_op1 (op, loc, (to) - (loc) - 3, b)

Definition at line 817 of file GnuRegex.c.

◆ INSERT_JUMP2

#define INSERT_JUMP2	(	op,
		loc,
		to,
		arg
	)	insert_op2 (op, loc, (to) - (loc) - 3, arg, b)

Definition at line 821 of file GnuRegex.c.

◆ IS_ACTIVE

#define IS_ACTIVE ( R ) ((R).bits.is_active)

Definition at line 2691 of file GnuRegex.c.

◆ IS_CHAR_CLASS

#define IS_CHAR_CLASS ( string )

Value:

   (STREQ (string, "alpha") || STREQ (string, "upper")          \
    || STREQ (string, "lower") || STREQ (string, "digit")       \
    || STREQ (string, "alnum") || STREQ (string, "xdigit")      \
    || STREQ (string, "space") || STREQ (string, "print")       \
    || STREQ (string, "punct") || STREQ (string, "graph")       \
    || STREQ (string, "cntrl") || STREQ (string, "blank"))

Definition at line 925 of file GnuRegex.c.

◆ ISALNUM

#define ISALNUM ( c ) (isascii ((unsigned char)c) && isalnum ((unsigned char)c))

Definition at line 149 of file GnuRegex.c.

◆ ISALPHA

#define ISALPHA ( c ) (isascii ((unsigned char)c) && isalpha ((unsigned char)c))

Definition at line 150 of file GnuRegex.c.

◆ isascii

#define isascii ( c ) 1

Definition at line 133 of file GnuRegex.c.

◆ ISBLANK

#define ISBLANK ( c ) ((c) == ' ' || (c) == '\t')

Definition at line 139 of file GnuRegex.c.

◆ ISCNTRL

#define ISCNTRL ( c ) (isascii ((unsigned char)c) && iscntrl ((unsigned char)c))

Definition at line 151 of file GnuRegex.c.

◆ ISDIGIT

#define ISDIGIT ( c ) (isascii ((unsigned char)c) && isdigit ((unsigned char)c))

Definition at line 148 of file GnuRegex.c.

◆ ISGRAPH

#define ISGRAPH ( c ) (isascii ((unsigned char)c) && isprint ((unsigned char)c) && !isspace ((unsigned char)c))

Definition at line 144 of file GnuRegex.c.

◆ ISLOWER

#define ISLOWER ( c ) (isascii ((unsigned char)c) && islower ((unsigned char)c))

Definition at line 152 of file GnuRegex.c.

◆ ISPRINT

#define ISPRINT ( c ) (isascii ((unsigned char)c) && isprint ((unsigned char)c))

Definition at line 147 of file GnuRegex.c.

◆ ISPUNCT

#define ISPUNCT ( c ) (isascii ((unsigned char)c) && ispunct ((unsigned char)c))

Definition at line 153 of file GnuRegex.c.

◆ ISSPACE

#define ISSPACE ( c ) (isascii ((unsigned char)c) && isspace ((unsigned char)c))

Definition at line 154 of file GnuRegex.c.

◆ ISUPPER

#define ISUPPER ( c ) (isascii ((unsigned char)c) && isupper ((unsigned char)c))

Definition at line 155 of file GnuRegex.c.

◆ ISXDIGIT

#define ISXDIGIT ( c ) (isascii ((unsigned char)c) && isxdigit ((unsigned char)c))

Definition at line 156 of file GnuRegex.c.

◆ MATCH_NULL_UNSET_VALUE

#define MATCH_NULL_UNSET_VALUE 3

Definition at line 2678 of file GnuRegex.c.

◆ MATCHED_SOMETHING

#define MATCHED_SOMETHING ( R ) ((R).bits.matched_something)

Definition at line 2692 of file GnuRegex.c.

◆ MATCHING_IN_FIRST_STRING

#define MATCHING_IN_FIRST_STRING (dend == end_match_1)

Definition at line 2722 of file GnuRegex.c.

◆ MAX_BUF_SIZE

#define MAX_BUF_SIZE (1L << 16)

Definition at line 827 of file GnuRegex.c.

◆ MAX_FAILURE_ITEMS

#define MAX_FAILURE_ITEMS ((num_regs - 1) * NUM_REG_ITEMS + NUM_NONREG_ITEMS)

Definition at line 2201 of file GnuRegex.c.

◆ MAX_REGNUM

#define MAX_REGNUM 255

Definition at line 861 of file GnuRegex.c.

◆ NO_HIGHEST_ACTIVE_REG

#define NO_HIGHEST_ACTIVE_REG (1 << BYTEWIDTH)

Definition at line 2795 of file GnuRegex.c.

◆ NO_LOWEST_ACTIVE_REG

#define NO_LOWEST_ACTIVE_REG (NO_HIGHEST_ACTIVE_REG + 1)

Definition at line 2796 of file GnuRegex.c.

◆ NUM_FAILURE_ITEMS

#define NUM_FAILURE_ITEMS

Value:

((highest_active_reg - lowest_active_reg + 1) * NUM_REG_ITEMS \

+ NUM_NONREG_ITEMS)

Definition at line 2204 of file GnuRegex.c.

◆ NUM_NONREG_ITEMS

#define NUM_NONREG_ITEMS 4

Definition at line 2197 of file GnuRegex.c.

◆ NUM_REG_ITEMS

#define NUM_REG_ITEMS 3

Definition at line 2191 of file GnuRegex.c.

◆ PATFETCH

#define PATFETCH ( c )

Value:

  do {if (p == pend) return REG_EEND;                   \
    c = (unsigned char) *p++;                       \
    if (translate) c = translate[c];                    \
  } while (0)

Definition at line 751 of file GnuRegex.c.

◆ PATFETCH_RAW

#define PATFETCH_RAW ( c )

Value:

  do {if (p == pend) return REG_EEND;                   \
    c = (unsigned char) *p++;                       \
  } while (0)

Definition at line 759 of file GnuRegex.c.

◆ PATUNFETCH

#define PATUNFETCH p--

Definition at line 765 of file GnuRegex.c.

◆ POINTER_TO_OFFSET

#define POINTER_TO_OFFSET ( ptr ) (FIRST_STRING_P (ptr) ? (ptr) - string1 : (ptr) - string2 + size1)

Definition at line 2713 of file GnuRegex.c.

◆ POP_FAILURE_ITEM

#define POP_FAILURE_ITEM ( ) fail_stack.stack[--fail_stack.avail]

Definition at line 2096 of file GnuRegex.c.

◆ POP_FAILURE_POINT

#define POP_FAILURE_POINT	(	str,
		pat,
		low_reg,
		high_reg,
		regstart,
		regend,
		reg_info
	)

Definition at line 2223 of file GnuRegex.c.

◆ PREFETCH

#define PREFETCH ( )

Value:

  while (d == dend)                             \
    {                                   \
      /* End of string2 => fail.  */                    \
      if (dend == end_match_2)                      \
        goto fail;                          \
      /* End of string1 => advance to string2.  */          \
      d = string2;                              \
      dend = end_match_2;                       \
    }

Definition at line 2726 of file GnuRegex.c.

◆ PUSH_FAILURE_ITEM

#define PUSH_FAILURE_ITEM ( item ) fail_stack.stack[fail_stack.avail++] = (fail_stack_elt_t) item

Definition at line 2092 of file GnuRegex.c.

◆ PUSH_FAILURE_POINT

#define PUSH_FAILURE_POINT	(	pattern_place,
		string_place,
		failure_code
	)

Definition at line 2116 of file GnuRegex.c.

◆ PUSH_PATTERN_OP

#define PUSH_PATTERN_OP	(	pattern_op,
		fail_stack
	)

Value:

  ((FAIL_STACK_FULL ()                          \
    && !DOUBLE_FAIL_STACK (fail_stack))                 \
    ? 0                                 \
    : ((fail_stack).stack[(fail_stack).avail++] = pattern_op,       \
       1))

Definition at line 2082 of file GnuRegex.c.

◆ REG_MATCH_NULL_STRING_P

#define REG_MATCH_NULL_STRING_P ( R ) ((R).bits.match_null_string_p)

Definition at line 2690 of file GnuRegex.c.

◆ REG_UNSET

#define REG_UNSET ( e ) ((e) == REG_UNSET_VALUE)

Definition at line 2718 of file GnuRegex.c.

◆ REG_UNSET_VALUE

#define REG_UNSET_VALUE ((char *) -1)

Definition at line 2717 of file GnuRegex.c.

◆ REGEX_ALLOCATE

#define REGEX_ALLOCATE malloc

Definition at line 182 of file GnuRegex.c.

◆ REGEX_MALLOC

#define REGEX_MALLOC 1

Definition at line 44 of file GnuRegex.c.

◆ REGEX_REALLOCATE

#define REGEX_REALLOCATE	(	source,
		osize,
		nsize
	)	realloc (source, nsize)

Definition at line 183 of file GnuRegex.c.

◆ REGEX_TALLOC

#define REGEX_TALLOC	(	n,
		t
	)	((t ) REGEX_ALLOCATE ((n) sizeof (t)))

Definition at line 224 of file GnuRegex.c.

◆ REMAINING_AVAIL_SLOTS

#define REMAINING_AVAIL_SLOTS ((fail_stack).size - (fail_stack).avail)

Definition at line 2209 of file GnuRegex.c.

◆ RETALLOC

#define RETALLOC	(	addr,
		n,
		t
	)	((addr) = (t ) realloc (addr, (n) sizeof (t)))

Definition at line 223 of file GnuRegex.c.

◆ SET_LIST_BIT

#define SET_LIST_BIT ( c )

Value:

(b[((unsigned char) (c)) / BYTEWIDTH] \

|= 1 << (((unsigned char) c) % BYTEWIDTH))

Definition at line 902 of file GnuRegex.c.

◆ SET_REGS_MATCHED

#define SET_REGS_MATCHED ( )

Value:

  do                                    \
    {                                   \
      unsigned r;                           \
      for (r = lowest_active_reg; r <= highest_active_reg; r++)     \
        {                               \
          MATCHED_SOMETHING (reg_info[r])               \
            = EVER_MATCHED_SOMETHING (reg_info[r])          \
            = 1;                            \
        }                               \
    }                                   \
  while (0)

Definition at line 2698 of file GnuRegex.c.

◆ SIGN_EXTEND_CHAR

#define SIGN_EXTEND_CHAR ( c ) ((((unsigned char) (c)) ^ 128) - 128)

Definition at line 167 of file GnuRegex.c.

◆ STORE_JUMP

#define STORE_JUMP	(	op,
		loc,
		to
	)	store_op1 (op, loc, (to) - (loc) - 3)

Definition at line 809 of file GnuRegex.c.

◆ STORE_JUMP2

#define STORE_JUMP2	(	op,
		loc,
		to,
		arg
	)	store_op2 (op, loc, (to) - (loc) - 3, arg)

Definition at line 813 of file GnuRegex.c.

◆ STORE_NUMBER

#define STORE_NUMBER	(	destination,
		number
	)

Value:

  do {                                  \
    (destination)[0] = (number) & 0377;                 \
    (destination)[1] = (number) >> 8;                   \
  } while (0)

Definition at line 366 of file GnuRegex.c.

◆ STORE_NUMBER_AND_INCR

#define STORE_NUMBER_AND_INCR	(	destination,
		number
	)

Value:

  do {                                  \
    STORE_NUMBER (destination, number);                 \
    (destination) += 2;                         \
  } while (0)

Definition at line 376 of file GnuRegex.c.

◆ STREQ

#define STREQ	(	s1,
		s2
	)	((strcmp (s1, s2) == 0))

Definition at line 228 of file GnuRegex.c.

◆ Sword

#define Sword 1

Definition at line 60 of file GnuRegex.c.

◆ TALLOC

#define TALLOC	(	n,
		t
	)	((t ) malloc ((n) sizeof (t)))

Definition at line 222 of file GnuRegex.c.

◆ TRANSLATE

#define TRANSLATE ( d ) (translate ? translate[(unsigned char) (d)] : (d))

Definition at line 771 of file GnuRegex.c.

◆ true

#define true 1

Definition at line 234 of file GnuRegex.c.

◆ WORDCHAR_P

#define WORDCHAR_P ( d )

Value:

  (re_syntax_table[(d) == end1 ? *string2                   \
           : (d) == string2 - 1 ? *(end1 - 1) : *(d)]           \
   == Sword)

Definition at line 2749 of file GnuRegex.c.

Typedef Documentation

◆ boolean

typedef char boolean

Definition at line 231 of file GnuRegex.c.

◆ fail_stack_elt_t

typedef const unsigned char* fail_stack_elt_t

Definition at line 2031 of file GnuRegex.c.

◆ pattern_offset_t

typedef int pattern_offset_t

Definition at line 871 of file GnuRegex.c.

◆ regnum_t

typedef unsigned regnum_t

Definition at line 865 of file GnuRegex.c.

Enumeration Type Documentation

◆ re_opcode_t

enum re_opcode_t

Enumerator
no_op
exactn
anychar
charset
charset_not
start_memory
stop_memory
duplicate
begline
endline
begbuf
endbuf
jump
jump_past_alt
on_failure_jump
on_failure_keep_string_jump
pop_failure_jump
maybe_pop_jump
dummy_failure_jump
push_dummy_failure
succeed_n
jump_n
set_number_at
wordchar
notwordchar
wordbeg
wordend
wordbound
notwordbound

Definition at line 245 of file GnuRegex.c.

Function Documentation

◆ alt_match_null_string_p()

boolean alt_match_null_string_p	(	unsigned char *	p,
		unsigned char *	end,
		register_info_type *	reg_info
	)

static

Definition at line 3958 of file GnuRegex.c.

References common_op_match_null_string_p(), re_registers::end, EXTRACT_NUMBER_AND_INCR, and on_failure_jump.

Referenced by group_match_null_string_p().

◆ at_begline_loc_p()

boolean at_begline_loc_p	(	const char *	pattern,
		const char *	p,
		reg_syntax_t	syntax
	)

static

Definition at line 1915 of file GnuRegex.c.

References RE_NO_BK_PARENS, and RE_NO_BK_VBAR.

Referenced by regex_compile().

◆ at_endline_loc_p()

boolean at_endline_loc_p	(	const char *	p,
		const char *	pend,
		int	syntax
	)

static

Definition at line 1931 of file GnuRegex.c.

References NULL, RE_NO_BK_PARENS, and RE_NO_BK_VBAR.

Referenced by regex_compile().

◆ at_strings_end()

static int at_strings_end	(	const char *	d,
		const char *	end2
	)

static

Definition at line 2740 of file GnuRegex.c.

Referenced by re_match_2().

◆ bcmp_translate()

int bcmp_translate	(	unsigned char const *	s1,
		unsigned char const *	s2,
		register int	len,
		char *	translate
	)

static

Definition at line 4067 of file GnuRegex.c.

References len, and s1.

Referenced by re_match_2().

◆ common_op_match_null_string_p()

boolean common_op_match_null_string_p	(	unsigned char **	p,
		unsigned char *	end,
		register_info_type *	reg_info
	)

static

Definition at line 3990 of file GnuRegex.c.

References assert, begbuf, begline, duplicate, re_registers::end, endbuf, endline, EXTRACT_NUMBER_AND_INCR, group_match_null_string_p(), jump, MATCH_NULL_UNSET_VALUE, MAX_REGNUM, no_op, notwordbound, REG_MATCH_NULL_STRING_P, set_number_at, start_memory, succeed_n, wordbeg, wordbound, and wordend.

Referenced by alt_match_null_string_p(), and group_match_null_string_p().

◆ compile_range()

reg_errcode_t compile_range	(	const char **	p_ptr,
		const char *	pend,
		char *	translate,
		reg_syntax_t	syntax,
		unsigned char *	b
	)

static

Definition at line 1975 of file GnuRegex.c.

References RE_NO_EMPTY_RANGES, REG_ERANGE, REG_NOERROR, SET_LIST_BIT, and TRANSLATE.

Referenced by regex_compile().

◆ group_in_compile_stack()

boolean group_in_compile_stack	(	compile_stack_type	compile_stack,
		regnum_t	regnum
	)

static

Definition at line 1950 of file GnuRegex.c.

References compile_stack_type::avail, compile_stack_elt_t::regnum, and compile_stack_type::stack.

Referenced by regex_compile().

◆ group_match_null_string_p()

boolean group_match_null_string_p	(	unsigned char **	p,
		unsigned char *	end,
		register_info_type *	reg_info
	)

static

Definition at line 3860 of file GnuRegex.c.

References alt_match_null_string_p(), assert, common_op_match_null_string_p(), re_registers::end, EXTRACT_NUMBER, EXTRACT_NUMBER_AND_INCR, jump_past_alt, on_failure_jump, and stop_memory.

Referenced by common_op_match_null_string_p(), and re_match_2().

◆ init_syntax_once()

static void init_syntax_once ( void )

static

Definition at line 75 of file GnuRegex.c.

References re_syntax_table, and Sword.

Referenced by regex_compile().

◆ insert_op1()

void insert_op1	(	re_opcode_t	op,
		unsigned char *	loc,
		int	arg,
		unsigned char *	end
	)

static

Definition at line 1885 of file GnuRegex.c.

References arg, and store_op1().

◆ insert_op2()

void insert_op2	(	re_opcode_t	op,
		unsigned char *	loc,
		int	arg1,
		int	arg2,
		unsigned char *	end
	)

static

Definition at line 1899 of file GnuRegex.c.

References store_op2().

Referenced by regex_compile().

◆ re_compile_fastmap()

int re_compile_fastmap ( struct re_pattern_buffer * buffer )

static

◆ re_match_2()

int re_match_2	(	struct re_pattern_buffer *	buffer,
		const char *	string1,
		int	length1,
		const char *	string2,
		int	length2,
		int	start,
		struct re_registers *	regs,
		int	stop
	)

static

Definition at line 2814 of file GnuRegex.c.

Referenced by re_search_2().

◆ re_search()

static int re_search	(	struct re_pattern_buffer *	buffer,
		const char *	string,
		int	length,
		int	start,
		int	range,
		struct re_registers *	regs
	)

static

Definition at line 2524 of file GnuRegex.c.

References NULL, re_search_2(), and size.

Referenced by regexec().

◆ re_search_2()

static 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
	)

static

Definition at line 2556 of file GnuRegex.c.

References begbuf, re_pattern_buffer::buffer, re_pattern_buffer::can_be_null, re_pattern_buffer::fastmap, re_pattern_buffer::fastmap_accurate, re_compile_fastmap(), re_match_2(), TRANSLATE, re_pattern_buffer::translate, and re_pattern_buffer::used.

Referenced by re_search().

◆ regcomp()

int regcomp	(	regex_t *	preg,
		const char *	pattern,
		int	cflags
	)

Definition at line 4117 of file GnuRegex.c.

References CHAR_SET_SIZE, ISUPPER, NULL, RE_DOT_NEWLINE, RE_HAT_LISTS_NOT_NEWLINE, RE_SYNTAX_POSIX_BASIC, RE_SYNTAX_POSIX_EXTENDED, REG_EPAREN, REG_ERPAREN, REG_ESPACE, REG_EXTENDED, REG_ICASE, REG_NEWLINE, REG_NOSUB, and regex_compile().

Referenced by REList::REList(), compileRE(), ftpListParseParts(), mimeInit(), parse_refreshpattern(), Mgr::QueryParams::ParseParam(), and readConfigFile().

◆ regerror()

size_t regerror	(	int	errcode,
		const regex_t *	preg,
		char *	errbuf,
		size_t	errbuf_size
	)

Definition at line 4245 of file GnuRegex.c.

References re_error_msg.

Referenced by REList::REList(), compileRE(), REList::match(), parse_refreshpattern(), and readConfigFile().

◆ regex_compile()

static reg_errcode_t regex_compile	(	const char *	pattern,
		int	size,
		reg_syntax_t	syntax,
		struct re_pattern_buffer *	bufp
	)

static

Definition at line 952 of file GnuRegex.c.

Referenced by regcomp().

◆ regexec()

int regexec	(	regex_t *	preg,
		const char *	string,
		size_t	nmatch,
		pmatch	,
		int	eflags
	)		const

Definition at line 4188 of file GnuRegex.c.

References re_registers::end, int, len, NULL, re_registers::num_regs, re_search(), REG_NOERROR, REG_NOMATCH, REG_NOTBOL, REG_NOTEOL, REGS_FIXED, regmatch_t::rm_eo, regmatch_t::rm_so, re_registers::start, and TALLOC.

Referenced by ftpListParseParts(), REList::match(), RegexPattern::match(), mimeGetEntry(), Mgr::QueryParams::ParseParam(), and readConfigFile().

◆ regfree()

void regfree ( regex_t * preg )

Definition at line 4280 of file GnuRegex.c.

References NULL.

Referenced by MimeEntry::~MimeEntry(), RegexPattern::~RegexPattern(), REList::~REList(), Mgr::QueryParams::ParseParam(), and readConfigFile().

◆ store_op1()

void store_op1	(	re_opcode_t	op,
		unsigned char *	loc,
		int	arg
	)

static

Definition at line 1865 of file GnuRegex.c.

References arg, and STORE_NUMBER.

Referenced by insert_op1().

◆ store_op2()

void store_op2	(	re_opcode_t	op,
		unsigned char *	loc,
		int	arg1,
		int	arg2
	)

static

Definition at line 1874 of file GnuRegex.c.

References STORE_NUMBER.

Referenced by insert_op2().

◆ wordchar_p()

static int wordchar_p	(	const char *	d,
		const char *	end1,
		const char *	string2
	)

static

Definition at line 2754 of file GnuRegex.c.

References re_syntax_table, and Sword.

Referenced by re_match_2().

Variable Documentation

◆ re_error_msg

const char* re_error_msg[]

static

Initial value:

= {NULL,              
                                     "No match",            
                                     "Invalid regular expression",  
                                     "Invalid collation character", 
                                     "Invalid character class name",    
                                     "Trailing backslash",  
                                     "Invalid back reference",  
                                     "Unmatched [ or [^",   
                                     "Unmatched ( or \\(",  
                                     "Unmatched \\{",       
                                     "Invalid content of \\{\\}",   
                                     "Invalid range end",   
                                     "Memory exhausted",        
                                     "Invalid preceding regular expression",    
                                     "Premature end of regular expression", 
                                     "Regular expression too big",  
                                     "Unmatched ) or \\)",  
                                    }

Definition at line 726 of file GnuRegex.c.

Referenced by regerror().

◆ re_max_failures

int re_max_failures = 2000

Definition at line 2029 of file GnuRegex.c.

◆ re_syntax_table

char re_syntax_table[CHAR_SET_SIZE]

static

Definition at line 72 of file GnuRegex.c.

Referenced by init_syntax_once(), re_compile_fastmap(), and wordchar_p().

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Classes

Macros

Typedefs

Enumerations

Functions

Variables

Macro Definition Documentation

◆ _GNU_SOURCE

◆ assert

◆ AT_STRINGS_BEG

◆ AT_WORD_BOUNDARY

◆ BUF_PUSH

◆ BUF_PUSH_2

◆ BUF_PUSH_3

◆ BYTEWIDTH

◆ CHAR_CLASS_MAX_LENGTH

◆ CHAR_SET_SIZE

◆ COMPILE_STACK_TOP

◆ DEBUG_POP

◆ DEBUG_PRINT1

◆ DEBUG_PRINT2

◆ DEBUG_PRINT3

◆ DEBUG_PRINT4

◆ DEBUG_PRINT_COMPILED_PATTERN

◆ DEBUG_PRINT_DOUBLE_STRING

◆ DEBUG_PUSH

◆ DEBUG_STATEMENT

◆ DOUBLE_FAIL_STACK

◆ EVER_MATCHED_SOMETHING

◆ EXTEND_BUFFER

◆ EXTRACT_NUMBER

◆ EXTRACT_NUMBER_AND_INCR

◆ FAIL_STACK_EMPTY

◆ FAIL_STACK_FULL

◆ FAIL_STACK_PTR_EMPTY

◆ FAIL_STACK_TOP

◆ false

◆ FIRST_STRING_P

◆ FREE_VAR

◆ FREE_VARIABLES

◆ GET_BUFFER_SPACE

◆ GET_UNSIGNED_NUMBER

◆ INIT_BUF_SIZE

◆ INIT_COMPILE_STACK_SIZE

◆ INIT_FAIL_STACK

◆ INIT_FAILURE_ALLOC

◆ INSERT_JUMP

◆ INSERT_JUMP2

◆ IS_ACTIVE

◆ IS_CHAR_CLASS

◆ ISALNUM

◆ ISALPHA

◆ isascii

◆ ISBLANK

◆ ISCNTRL

◆ ISDIGIT

◆ ISGRAPH

◆ ISLOWER

◆ ISPRINT

◆ ISPUNCT

◆ ISSPACE

◆ ISUPPER

◆ ISXDIGIT

◆ MATCH_NULL_UNSET_VALUE

◆ MATCHED_SOMETHING

◆ MATCHING_IN_FIRST_STRING

◆ MAX_BUF_SIZE

◆ MAX_FAILURE_ITEMS

◆ MAX_REGNUM

◆ NO_HIGHEST_ACTIVE_REG

◆ NO_LOWEST_ACTIVE_REG

◆ NUM_FAILURE_ITEMS

◆ NUM_NONREG_ITEMS

◆ NUM_REG_ITEMS

◆ PATFETCH

◆ PATFETCH_RAW

◆ PATUNFETCH

◆ POINTER_TO_OFFSET