summaryrefslogtreecommitdiffstats
path: root/meta/recipes-extended/grep/grep-2.5.1a/grep-egrep-fgrep-Fix-LSB-NG-cases.patch
diff options
context:
space:
mode:
Diffstat (limited to 'meta/recipes-extended/grep/grep-2.5.1a/grep-egrep-fgrep-Fix-LSB-NG-cases.patch')
-rw-r--r--meta/recipes-extended/grep/grep-2.5.1a/grep-egrep-fgrep-Fix-LSB-NG-cases.patch1342
1 files changed, 0 insertions, 1342 deletions
diff --git a/meta/recipes-extended/grep/grep-2.5.1a/grep-egrep-fgrep-Fix-LSB-NG-cases.patch b/meta/recipes-extended/grep/grep-2.5.1a/grep-egrep-fgrep-Fix-LSB-NG-cases.patch
deleted file mode 100644
index 327ee56402..0000000000
--- a/meta/recipes-extended/grep/grep-2.5.1a/grep-egrep-fgrep-Fix-LSB-NG-cases.patch
+++ /dev/null
@@ -1,1342 +0,0 @@
-From c884dd12ec062569335702848fc5f29f436c28fa Mon Sep 17 00:00:00 2001
-From: Li xin <lixin.fnst@cn.fujitsu.com>
-Date: Mon, 25 May 2015 10:15:57 +0900
-Subject: [PATCH] grep egrep fgrep: Fix LSB NG cases.
-
-The LSB core test requires grep egrep and fgrep can
-perform pattern matching in searches without regard
-to case if -i option is specified.
-
-Upstream-Status: backport.
-
-Signed-off-by: Li Xin <lixin.fnst@cn.fujitsu.com>
----
- lib/posix/regex.h | 4 +
- src/dfa.c | 22 +-
- src/grep.c | 96 ++++---
- src/search.c | 833 +++++++++++++++++++++++++++++++++++++++++++++---------
- 4 files changed, 768 insertions(+), 187 deletions(-)
-
-diff --git a/lib/posix/regex.h b/lib/posix/regex.h
-index 63c2fef..7bb2b0e 100644
---- a/lib/posix/regex.h
-+++ b/lib/posix/regex.h
-@@ -109,6 +109,10 @@ typedef unsigned long int reg_syntax_t;
- If not set, \{, \}, {, and } are literals. */
- #define RE_INTERVALS (RE_HAT_LISTS_NOT_NEWLINE << 1)
-
-+/* If this bit is set, then ignore case when matching.
-+ If not set, then case is significant. */
-+#define RE_ICASE (RE_INVALID_INTERVAL_ORD << 1)
-+
- /* If this bit is set, +, ? and | aren't recognized as operators.
- If not set, they are. */
- #define RE_LIMITED_OPS (RE_INTERVALS << 1)
-diff --git a/src/dfa.c b/src/dfa.c
-index 590bfa7..27c876a 100644
---- a/src/dfa.c
-+++ b/src/dfa.c
-@@ -414,7 +414,7 @@ update_mb_len_index (unsigned char const *p, int len)
-
- /* This function fetch a wide character, and update cur_mb_len,
- used only if the current locale is a multibyte environment. */
--static wchar_t
-+static wint_t
- fetch_wc (char const *eoferr)
- {
- wchar_t wc;
-@@ -423,7 +423,7 @@ fetch_wc (char const *eoferr)
- if (eoferr != 0)
- dfaerror (eoferr);
- else
-- return -1;
-+ return WEOF;
- }
-
- cur_mb_len = mbrtowc(&wc, lexptr, lexleft, &mbs);
-@@ -459,7 +459,7 @@ fetch_wc (char const *eoferr)
- static void
- parse_bracket_exp_mb ()
- {
-- wchar_t wc, wc1, wc2;
-+ wint_t wc, wc1, wc2;
-
- /* Work area to build a mb_char_classes. */
- struct mb_char_classes *work_mbc;
-@@ -496,7 +496,7 @@ parse_bracket_exp_mb ()
- work_mbc->invert = 0;
- do
- {
-- wc1 = -1; /* mark wc1 is not initialized". */
-+ wc1 = WEOF; /* mark wc1 is not initialized". */
-
- /* Note that if we're looking at some other [:...:] construct,
- we just treat it as a bunch of ordinary characters. We can do
-@@ -586,7 +586,7 @@ parse_bracket_exp_mb ()
- work_mbc->coll_elems[work_mbc->ncoll_elems++] = elem;
- }
- }
-- wc = -1;
-+ wc1 = wc = WEOF;
- }
- else
- /* We treat '[' as a normal character here. */
-@@ -600,7 +600,7 @@ parse_bracket_exp_mb ()
- wc = fetch_wc(("Unbalanced ["));
- }
-
-- if (wc1 == -1)
-+ if (wc1 == WEOF)
- wc1 = fetch_wc(_("Unbalanced ["));
-
- if (wc1 == L'-')
-@@ -630,17 +630,17 @@ parse_bracket_exp_mb ()
- }
- REALLOC_IF_NECESSARY(work_mbc->range_sts, wchar_t,
- range_sts_al, work_mbc->nranges + 1);
-- work_mbc->range_sts[work_mbc->nranges] = wc;
-+ work_mbc->range_sts[work_mbc->nranges] = (wchar_t)wc;
- REALLOC_IF_NECESSARY(work_mbc->range_ends, wchar_t,
- range_ends_al, work_mbc->nranges + 1);
-- work_mbc->range_ends[work_mbc->nranges++] = wc2;
-+ work_mbc->range_ends[work_mbc->nranges++] = (wchar_t)wc2;
- }
-- else if (wc != -1)
-+ else if (wc != WEOF)
- /* build normal characters. */
- {
- REALLOC_IF_NECESSARY(work_mbc->chars, wchar_t, chars_al,
- work_mbc->nchars + 1);
-- work_mbc->chars[work_mbc->nchars++] = wc;
-+ work_mbc->chars[work_mbc->nchars++] = (wchar_t)wc;
- }
- }
- while ((wc = wc1) != L']');
-@@ -2552,6 +2552,8 @@ match_mb_charset (struct dfa *d, int s, position pos, int index)
- }
-
- /* match with a character? */
-+ if (case_fold)
-+ wc = towlower (wc);
- for (i = 0; i<work_mbc->nchars; i++)
- {
- if (wc == work_mbc->chars[i])
-diff --git a/src/grep.c b/src/grep.c
-index 2fb2fac..3fd4b47 100644
---- a/src/grep.c
-+++ b/src/grep.c
-@@ -30,6 +30,12 @@
- # include <sys/time.h>
- # include <sys/resource.h>
- #endif
-+#if defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H && defined HAVE_MBRTOWC
-+/* We can handle multibyte string. */
-+# define MBS_SUPPORT
-+# include <wchar.h>
-+# include <wctype.h>
-+#endif
- #include <stdio.h>
- #include "system.h"
- #include "getopt.h"
-@@ -255,19 +261,6 @@ reset (int fd, char const *file, struct stats *stats)
- bufbeg[-1] = eolbyte;
- bufdesc = fd;
-
-- if (fstat (fd, &stats->stat) != 0)
-- {
-- error (0, errno, "fstat");
-- return 0;
-- }
-- if (directories == SKIP_DIRECTORIES && S_ISDIR (stats->stat.st_mode))
-- return 0;
--#ifndef DJGPP
-- if (devices == SKIP_DEVICES && (S_ISCHR(stats->stat.st_mode) || S_ISBLK(stats->stat.st_mode) || S_ISSOCK(stats->stat.st_mode)))
--#else
-- if (devices == SKIP_DEVICES && (S_ISCHR(stats->stat.st_mode) || S_ISBLK(stats->stat.st_mode)))
--#endif
-- return 0;
- if (S_ISREG (stats->stat.st_mode))
- {
- if (file)
-@@ -558,33 +551,6 @@ prline (char const *beg, char const *lim, int sep)
- {
- size_t match_size;
- size_t match_offset;
-- if(match_icase)
-- {
-- /* Yuck, this is tricky */
-- char *buf = (char*) xmalloc (lim - beg);
-- char *ibeg = buf;
-- char *ilim = ibeg + (lim - beg);
-- int i;
-- for (i = 0; i < lim - beg; i++)
-- ibeg[i] = tolower (beg[i]);
-- while ((match_offset = (*execute) (ibeg, ilim-ibeg, &match_size, 1))
-- != (size_t) -1)
-- {
-- char const *b = beg + match_offset;
-- if (b == lim)
-- break;
-- fwrite (beg, sizeof (char), match_offset, stdout);
-- printf ("\33[%sm", grep_color);
-- fwrite (b, sizeof (char), match_size, stdout);
-- fputs ("\33[00m", stdout);
-- beg = b + match_size;
-- ibeg = ibeg + match_offset + match_size;
-- }
-- fwrite (beg, 1, lim - beg, stdout);
-- free (buf);
-- lastout = lim;
-- return;
-- }
- while (lim-beg && (match_offset = (*execute) (beg, lim - beg, &match_size, 1))
- != (size_t) -1)
- {
-@@ -601,6 +567,7 @@ prline (char const *beg, char const *lim, int sep)
- fputs ("\33[00m", stdout);
- beg = b + match_size;
- }
-+ fputs ("\33[K", stdout);
- }
- fwrite (beg, 1, lim - beg, stdout);
- if (ferror (stdout))
-@@ -623,7 +590,7 @@ prpending (char const *lim)
- size_t match_size;
- --pending;
- if (outleft
-- || (((*execute) (lastout, nl - lastout, &match_size, 0) == (size_t) -1)
-+ || (((*execute) (lastout, nl + 1 - lastout, &match_size, 0) == (size_t) -1)
- == !out_invert))
- prline (lastout, nl + 1, '-');
- else
-@@ -895,6 +862,19 @@ grepfile (char const *file, struct stats *stats)
- }
- else
- {
-+ if (stat (file, &stats->stat) != 0)
-+ {
-+ suppressible_error (file, errno);
-+ return 1;
-+ }
-+ if (directories == SKIP_DIRECTORIES && S_ISDIR (stats->stat.st_mode))
-+ return 1;
-+#ifndef DJGPP
-+ if (devices == SKIP_DEVICES && (S_ISCHR(stats->stat.st_mode) || S_ISBLK(stats->stat.st_mode) || S_ISSOCK(stats->stat.st_mode) || S_ISFIFO(stats->stat.st_mode)))
-+#else
-+ if (devices == SKIP_DEVICES && (S_ISCHR(stats->stat.st_mode) || S_ISBLK(stats->stat.st_mode)))
-+#endif
-+ return 1;
- while ((desc = open (file, O_RDONLY)) < 0 && errno == EINTR)
- continue;
-
-@@ -1681,9 +1661,6 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n"))
- out_invert ^= 1;
- match_lines = match_words = 0;
- }
-- else
-- /* Strip trailing newline. */
-- --keycc;
- }
- else
- if (optind < argc)
-@@ -1697,6 +1674,37 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n"))
- if (!install_matcher (matcher) && !install_matcher ("default"))
- abort ();
-
-+#ifdef MBS_SUPPORT
-+ if (MB_CUR_MAX != 1 && match_icase)
-+ {
-+ wchar_t wc;
-+ mbstate_t cur_state, prev_state;
-+ int i, len = strlen(keys);
-+
-+ memset(&cur_state, 0, sizeof(mbstate_t));
-+ for (i = 0; i <= len ;)
-+ {
-+ size_t mbclen;
-+ mbclen = mbrtowc(&wc, keys + i, len - i, &cur_state);
-+ if (mbclen == (size_t) -1 || mbclen == (size_t) -2 || mbclen == 0)
-+ {
-+ /* An invalid sequence, or a truncated multibyte character.
-+ We treat it as a singlebyte character. */
-+ mbclen = 1;
-+ }
-+ else
-+ {
-+ if (iswupper((wint_t)wc))
-+ {
-+ wc = towlower((wint_t)wc);
-+ wcrtomb(keys + i, wc, &cur_state);
-+ }
-+ }
-+ i += mbclen;
-+ }
-+ }
-+#endif /* MBS_SUPPORT */
-+
- (*compile)(keys, keycc);
-
- if ((argc - optind > 1 && !no_filenames) || with_filenames)
-diff --git a/src/search.c b/src/search.c
-index 7bd233f..3c6a485 100644
---- a/src/search.c
-+++ b/src/search.c
-@@ -18,9 +18,13 @@
-
- /* Written August 1992 by Mike Haertel. */
-
-+#ifndef _GNU_SOURCE
-+# define _GNU_SOURCE 1
-+#endif
- #ifdef HAVE_CONFIG_H
- # include <config.h>
- #endif
-+#include <assert.h>
- #include <sys/types.h>
- #if defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H && defined HAVE_MBRTOWC
- /* We can handle multibyte string. */
-@@ -31,7 +35,7 @@
-
- #include "system.h"
- #include "grep.h"
--#include "regex.h"
-+#include <regex.h>
- #include "dfa.h"
- #include "kwset.h"
- #include "error.h"
-@@ -39,6 +43,9 @@
- #ifdef HAVE_LIBPCRE
- # include <pcre.h>
- #endif
-+#ifdef HAVE_LANGINFO_CODESET
-+# include <langinfo.h>
-+#endif
-
- #define NCHAR (UCHAR_MAX + 1)
-
-@@ -70,9 +77,10 @@ static kwset_t kwset;
- call the regexp matcher at all. */
- static int kwset_exact_matches;
-
--#if defined(MBS_SUPPORT)
--static char* check_multibyte_string PARAMS ((char const *buf, size_t size));
--#endif
-+/* UTF-8 encoding allows some optimizations that we can't otherwise
-+ assume in a multibyte encoding. */
-+static int using_utf8;
-+
- static void kwsinit PARAMS ((void));
- static void kwsmusts PARAMS ((void));
- static void Gcompile PARAMS ((char const *, size_t));
-@@ -84,6 +92,15 @@ static void Pcompile PARAMS ((char const *, size_t ));
- static size_t Pexecute PARAMS ((char const *, size_t, size_t *, int));
-
- void
-+check_utf8 (void)
-+{
-+#ifdef HAVE_LANGINFO_CODESET
-+ if (strcmp (nl_langinfo (CODESET), "UTF-8") == 0)
-+ using_utf8 = 1;
-+#endif
-+}
-+
-+void
- dfaerror (char const *mesg)
- {
- error (2, 0, mesg);
-@@ -141,38 +158,6 @@ kwsmusts (void)
- }
- }
-
--#ifdef MBS_SUPPORT
--/* This function allocate the array which correspond to "buf".
-- Then this check multibyte string and mark on the positions which
-- are not singlebyte character nor the first byte of a multibyte
-- character. Caller must free the array. */
--static char*
--check_multibyte_string(char const *buf, size_t size)
--{
-- char *mb_properties = malloc(size);
-- mbstate_t cur_state;
-- int i;
-- memset(&cur_state, 0, sizeof(mbstate_t));
-- memset(mb_properties, 0, sizeof(char)*size);
-- for (i = 0; i < size ;)
-- {
-- size_t mbclen;
-- mbclen = mbrlen(buf + i, size - i, &cur_state);
--
-- if (mbclen == (size_t) -1 || mbclen == (size_t) -2 || mbclen == 0)
-- {
-- /* An invalid sequence, or a truncated multibyte character.
-- We treat it as a singlebyte character. */
-- mbclen = 1;
-- }
-- mb_properties[i] = mbclen;
-- i += mbclen;
-- }
--
-- return mb_properties;
--}
--#endif
--
- static void
- Gcompile (char const *pattern, size_t size)
- {
-@@ -181,7 +166,8 @@ Gcompile (char const *pattern, size_t size)
- size_t total = size;
- char const *motif = pattern;
-
-- re_set_syntax (RE_SYNTAX_GREP | RE_HAT_LISTS_NOT_NEWLINE);
-+ check_utf8 ();
-+ re_set_syntax (RE_SYNTAX_GREP | RE_HAT_LISTS_NOT_NEWLINE | (match_icase ? RE_ICASE : 0));
- dfasyntax (RE_SYNTAX_GREP | RE_HAT_LISTS_NOT_NEWLINE, match_icase, eolbyte);
-
- /* For GNU regex compiler we have to pass the patterns separately to detect
-@@ -218,6 +204,10 @@ Gcompile (char const *pattern, size_t size)
- motif = sep;
- } while (sep && total != 0);
-
-+ /* Strip trailing newline. */
-+ if (size && pattern[size - 1] == '\n')
-+ size--;
-+
- /* In the match_words and match_lines cases, we use a different pattern
- for the DFA matcher that will quickly throw out cases that won't work.
- Then if DFA succeeds we do some hairy stuff using the regex matcher
-@@ -233,7 +223,7 @@ Gcompile (char const *pattern, size_t size)
- static char const line_end[] = "\\)$";
- static char const word_beg[] = "\\(^\\|[^[:alnum:]_]\\)\\(";
- static char const word_end[] = "\\)\\([^[:alnum:]_]\\|$\\)";
-- char *n = malloc (sizeof word_beg - 1 + size + sizeof word_end);
-+ char *n = xmalloc (sizeof word_beg - 1 + size + sizeof word_end);
- size_t i;
- strcpy (n, match_lines ? line_beg : word_beg);
- i = strlen (n);
-@@ -257,14 +247,15 @@ Ecompile (char const *pattern, size_t size)
- size_t total = size;
- char const *motif = pattern;
-
-+ check_utf8 ();
- if (strcmp (matcher, "awk") == 0)
- {
-- re_set_syntax (RE_SYNTAX_AWK);
-+ re_set_syntax (RE_SYNTAX_AWK | (match_icase ? RE_ICASE : 0));
- dfasyntax (RE_SYNTAX_AWK, match_icase, eolbyte);
- }
- else
- {
-- re_set_syntax (RE_SYNTAX_POSIX_EGREP);
-+ re_set_syntax (RE_SYNTAX_POSIX_EGREP | (match_icase ? RE_ICASE : 0));
- dfasyntax (RE_SYNTAX_POSIX_EGREP, match_icase, eolbyte);
- }
-
-@@ -301,6 +292,10 @@ Ecompile (char const *pattern, size_t size)
- motif = sep;
- } while (sep && total != 0);
-
-+ /* Strip trailing newline. */
-+ if (size && pattern[size - 1] == '\n')
-+ size--;
-+
- /* In the match_words and match_lines cases, we use a different pattern
- for the DFA matcher that will quickly throw out cases that won't work.
- Then if DFA succeeds we do some hairy stuff using the regex matcher
-@@ -316,7 +311,7 @@ Ecompile (char const *pattern, size_t size)
- static char const line_end[] = ")$";
- static char const word_beg[] = "(^|[^[:alnum:]_])(";
- static char const word_end[] = ")([^[:alnum:]_]|$)";
-- char *n = malloc (sizeof word_beg - 1 + size + sizeof word_end);
-+ char *n = xmalloc (sizeof word_beg - 1 + size + sizeof word_end);
- size_t i;
- strcpy (n, match_lines ? line_beg : word_beg);
- i = strlen(n);
-@@ -339,15 +334,34 @@ EGexecute (char const *buf, size_t size, size_t *match_size, int exact)
- char eol = eolbyte;
- int backref, start, len;
- struct kwsmatch kwsm;
-- size_t i;
-+ size_t i, ret_val;
-+ static int use_dfa;
-+ static int use_dfa_checked = 0;
- #ifdef MBS_SUPPORT
-- char *mb_properties = NULL;
-+ int mb_cur_max = MB_CUR_MAX;
-+ mbstate_t mbs;
-+ memset (&mbs, '\0', sizeof (mbstate_t));
- #endif /* MBS_SUPPORT */
-
-+ if (!use_dfa_checked)
-+ {
-+ char *grep_use_dfa = getenv ("GREP_USE_DFA");
-+ if (!grep_use_dfa)
-+ {
- #ifdef MBS_SUPPORT
-- if (MB_CUR_MAX > 1 && kwset)
-- mb_properties = check_multibyte_string(buf, size);
-+ /* Turn off DFA when processing multibyte input. */
-+ use_dfa = (MB_CUR_MAX == 1);
-+#else
-+ use_dfa = 1;
- #endif /* MBS_SUPPORT */
-+ }
-+ else
-+ {
-+ use_dfa = atoi (grep_use_dfa);
-+ }
-+
-+ use_dfa_checked = 1;
-+ }
-
- buflim = buf + size;
-
-@@ -358,47 +372,120 @@ EGexecute (char const *buf, size_t size, size_t *match_size, int exact)
- if (kwset)
- {
- /* Find a possible match using the KWset matcher. */
-- size_t offset = kwsexec (kwset, beg, buflim - beg, &kwsm);
-+#ifdef MBS_SUPPORT
-+ size_t bytes_left = 0;
-+#endif /* MBS_SUPPORT */
-+ size_t offset;
-+#ifdef MBS_SUPPORT
-+ /* kwsexec doesn't work with match_icase and multibyte input. */
-+ if (match_icase && mb_cur_max > 1)
-+ /* Avoid kwset */
-+ offset = 0;
-+ else
-+#endif /* MBS_SUPPORT */
-+ offset = kwsexec (kwset, beg, buflim - beg, &kwsm);
- if (offset == (size_t) -1)
-- {
-+ goto failure;
- #ifdef MBS_SUPPORT
-- if (MB_CUR_MAX > 1)
-- free(mb_properties);
--#endif
-- return (size_t)-1;
-+ if (mb_cur_max > 1 && !using_utf8)
-+ {
-+ bytes_left = offset;
-+ while (bytes_left)
-+ {
-+ size_t mlen = mbrlen (beg, bytes_left, &mbs);
-+ if (mlen == (size_t) -1 || mlen == 0)
-+ {
-+ /* Incomplete character: treat as single-byte. */
-+ memset (&mbs, '\0', sizeof (mbstate_t));
-+ beg++;
-+ bytes_left--;
-+ continue;
-+ }
-+
-+ if (mlen == (size_t) -2)
-+ /* Offset points inside multibyte character:
-+ * no good. */
-+ break;
-+
-+ beg += mlen;
-+ bytes_left -= mlen;
-+ }
- }
-+ else
-+#endif /* MBS_SUPPORT */
- beg += offset;
- /* Narrow down to the line containing the candidate, and
- run it through DFA. */
- end = memchr(beg, eol, buflim - beg);
- end++;
- #ifdef MBS_SUPPORT
-- if (MB_CUR_MAX > 1 && mb_properties[beg - buf] == 0)
-+ if (mb_cur_max > 1 && bytes_left)
- continue;
--#endif
-+#endif /* MBS_SUPPORT */
- while (beg > buf && beg[-1] != eol)
- --beg;
-- if (kwsm.index < kwset_exact_matches)
-- goto success;
-- if (dfaexec (&dfa, beg, end - beg, &backref) == (size_t) -1)
-+ if (
-+#ifdef MBS_SUPPORT
-+ !(match_icase && mb_cur_max > 1) &&
-+#endif /* MBS_SUPPORT */
-+ (kwsm.index < kwset_exact_matches))
-+ goto success_in_beg_and_end;
-+ if (use_dfa &&
-+ dfaexec (&dfa, beg, end - beg, &backref) == (size_t) -1)
- continue;
- }
- else
- {
- /* No good fixed strings; start with DFA. */
-- size_t offset = dfaexec (&dfa, beg, buflim - beg, &backref);
-+#ifdef MBS_SUPPORT
-+ size_t bytes_left = 0;
-+#endif /* MBS_SUPPORT */
-+ size_t offset = 0;
-+ if (use_dfa)
-+ offset = dfaexec (&dfa, beg, buflim - beg, &backref);
- if (offset == (size_t) -1)
- break;
- /* Narrow down to the line we've found. */
-+#ifdef MBS_SUPPORT
-+ if (mb_cur_max > 1 && !using_utf8)
-+ {
-+ bytes_left = offset;
-+ while (bytes_left)
-+ {
-+ size_t mlen = mbrlen (beg, bytes_left, &mbs);
-+ if (mlen == (size_t) -1 || mlen == 0)
-+ {
-+ /* Incomplete character: treat as single-byte. */
-+ memset (&mbs, '\0', sizeof (mbstate_t));
-+ beg++;
-+ bytes_left--;
-+ continue;
-+ }
-+
-+ if (mlen == (size_t) -2)
-+ /* Offset points inside multibyte character:
-+ * no good. */
-+ break;
-+
-+ beg += mlen;
-+ bytes_left -= mlen;
-+ }
-+ }
-+ else
-+#endif /* MBS_SUPPORT */
- beg += offset;
- end = memchr (beg, eol, buflim - beg);
- end++;
-+#ifdef MBS_SUPPORT
-+ if (mb_cur_max > 1 && bytes_left)
-+ continue;
-+#endif /* MBS_SUPPORT */
- while (beg > buf && beg[-1] != eol)
- --beg;
- }
- /* Successful, no backreferences encountered! */
-- if (!backref)
-- goto success;
-+ if (use_dfa && !backref)
-+ goto success_in_beg_and_end;
- }
- else
- end = beg + size;
-@@ -413,14 +500,11 @@ EGexecute (char const *buf, size_t size, size_t *match_size, int exact)
- end - beg - 1, &(patterns[i].regs))))
- {
- len = patterns[i].regs.end[0] - start;
-- if (exact)
-- {
-- *match_size = len;
-- return start;
-- }
-+ if (exact && !match_words)
-+ goto success_in_start_and_len;
- if ((!match_lines && !match_words)
- || (match_lines && len == end - beg - 1))
-- goto success;
-+ goto success_in_beg_and_end;
- /* If -w, check if the match aligns with word boundaries.
- We do this iteratively because:
- (a) the line may contain more than one occurence of the
-@@ -431,10 +515,114 @@ EGexecute (char const *buf, size_t size, size_t *match_size, int exact)
- if (match_words)
- while (start >= 0)
- {
-- if ((start == 0 || !WCHAR ((unsigned char) beg[start - 1]))
-- && (len == end - beg - 1
-- || !WCHAR ((unsigned char) beg[start + len])))
-- goto success;
-+ int lword_match = 0;
-+ if (start == 0)
-+ lword_match = 1;
-+ else
-+ {
-+ assert (start > 0);
-+#ifdef MBS_SUPPORT
-+ if (mb_cur_max > 1)
-+ {
-+ const char *s;
-+ size_t mr;
-+ wchar_t pwc;
-+
-+ /* Locate the start of the multibyte character
-+ before the match position (== beg + start). */
-+ if (using_utf8)
-+ {
-+ /* UTF-8 is a special case: scan backwards
-+ until we find a 7-bit character or a
-+ lead byte. */
-+ s = beg + start - 1;
-+ while (s > buf
-+ && (unsigned char) *s >= 0x80
-+ && (unsigned char) *s <= 0xbf)
-+ --s;
-+ }
-+ else
-+ {
-+ /* Scan forwards to find the start of the
-+ last complete character before the
-+ match position. */
-+ size_t bytes_left = start - 1;
-+ s = beg;
-+ while (bytes_left > 0)
-+ {
-+ mr = mbrlen (s, bytes_left, &mbs);
-+ if (mr == (size_t) -1 || mr == 0)
-+ {
-+ memset (&mbs, '\0', sizeof (mbs));
-+ s++;
-+ bytes_left--;
-+ continue;
-+ }
-+ if (mr == (size_t) -2)
-+ {
-+ memset (&mbs, '\0', sizeof (mbs));
-+ break;
-+ }
-+ s += mr;
-+ bytes_left -= mr;
-+ }
-+ }
-+ mr = mbrtowc (&pwc, s, beg + start - s, &mbs);
-+ if (mr == (size_t) -2 || mr == (size_t) -1 ||
-+ mr == 0)
-+ {
-+ memset (&mbs, '\0', sizeof (mbstate_t));
-+ lword_match = 1;
-+ }
-+ else if (!(iswalnum (pwc) || pwc == L'_')
-+ && mr == beg + start - s)
-+ lword_match = 1;
-+ }
-+ else
-+#endif /* MBS_SUPPORT */
-+ if (!WCHAR ((unsigned char) beg[start - 1]))
-+ lword_match = 1;
-+ }
-+
-+ if (lword_match)
-+ {
-+ int rword_match = 0;
-+ if (start + len == end - beg - 1)
-+ rword_match = 1;
-+ else
-+ {
-+#ifdef MBS_SUPPORT
-+ if (mb_cur_max > 1)
-+ {
-+ wchar_t nwc;
-+ int mr;
-+
-+ mr = mbtowc (&nwc, beg + start + len,
-+ end - beg - start - len - 1);
-+ if (mr <= 0)
-+ {
-+ memset (&mbs, '\0', sizeof (mbstate_t));
-+ rword_match = 1;
-+ }
-+ else if (!iswalnum (nwc) && nwc != L'_')
-+ rword_match = 1;
-+ }
-+ else
-+#endif /* MBS_SUPPORT */
-+ if (!WCHAR ((unsigned char) beg[start + len]))
-+ rword_match = 1;
-+ }
-+
-+ if (rword_match)
-+ {
-+ if (!exact)
-+ /* Returns the whole line. */
-+ goto success_in_beg_and_end;
-+ else
-+ /* Returns just this word match. */
-+ goto success_in_start_and_len;
-+ }
-+ }
- if (len > 0)
- {
- /* Try a shorter length anchored at the same place. */
-@@ -461,26 +649,154 @@ EGexecute (char const *buf, size_t size, size_t *match_size, int exact)
- }
- } /* for Regex patterns. */
- } /* for (beg = end ..) */
--#ifdef MBS_SUPPORT
-- if (MB_CUR_MAX > 1 && mb_properties)
-- free (mb_properties);
--#endif /* MBS_SUPPORT */
-+
-+ failure:
- return (size_t) -1;
-
-- success:
--#ifdef MBS_SUPPORT
-- if (MB_CUR_MAX > 1 && mb_properties)
-- free (mb_properties);
--#endif /* MBS_SUPPORT */
-- *match_size = end - beg;
-- return beg - buf;
-+ success_in_beg_and_end:
-+ len = end - beg;
-+ start = beg - buf;
-+ /* FALLTHROUGH */
-+
-+ success_in_start_and_len:
-+ *match_size = len;
-+ return start;
- }
-
-+#ifdef MBS_SUPPORT
-+static int f_i_multibyte; /* whether we're using the new -Fi MB method */
-+static struct
-+{
-+ wchar_t **patterns;
-+ size_t count, maxlen;
-+ unsigned char *match;
-+} Fimb;
-+#endif
-+
- static void
- Fcompile (char const *pattern, size_t size)
- {
-+ int mb_cur_max = MB_CUR_MAX;
- char const *beg, *lim, *err;
-
-+ check_utf8 ();
-+#ifdef MBS_SUPPORT
-+ /* Support -F -i for UTF-8 input. */
-+ if (match_icase && mb_cur_max > 1)
-+ {
-+ mbstate_t mbs;
-+ wchar_t *wcpattern = xmalloc ((size + 1) * sizeof (wchar_t));
-+ const char *patternend = pattern;
-+ size_t wcsize;
-+ kwset_t fimb_kwset = NULL;
-+ char *starts = NULL;
-+ wchar_t *wcbeg, *wclim;
-+ size_t allocated = 0;
-+
-+ memset (&mbs, '\0', sizeof (mbs));
-+# ifdef __GNU_LIBRARY__
-+ wcsize = mbsnrtowcs (wcpattern, &patternend, size, size, &mbs);
-+ if (patternend != pattern + size)
-+ wcsize = (size_t) -1;
-+# else
-+ {
-+ char *patterncopy = xmalloc (size + 1);
-+
-+ memcpy (patterncopy, pattern, size);
-+ patterncopy[size] = '\0';
-+ patternend = patterncopy;
-+ wcsize = mbsrtowcs (wcpattern, &patternend, size, &mbs);
-+ if (patternend != patterncopy + size)
-+ wcsize = (size_t) -1;
-+ free (patterncopy);
-+ }
-+# endif
-+ if (wcsize + 2 <= 2)
-+ {
-+fimb_fail:
-+ free (wcpattern);
-+ free (starts);
-+ if (fimb_kwset)
-+ kwsfree (fimb_kwset);
-+ free (Fimb.patterns);
-+ Fimb.patterns = NULL;
-+ }
-+ else
-+ {
-+ if (!(fimb_kwset = kwsalloc (NULL)))
-+ error (2, 0, _("memory exhausted"));
-+
-+ starts = xmalloc (mb_cur_max * 3);
-+ wcbeg = wcpattern;
-+ do
-+ {
-+ int i;
-+ size_t wclen;
-+
-+ if (Fimb.count >= allocated)
-+ {
-+ if (allocated == 0)
-+ allocated = 128;
-+ else
-+ allocated *= 2;
-+ Fimb.patterns = xrealloc (Fimb.patterns,
-+ sizeof (wchar_t *) * allocated);
-+ }
-+ Fimb.patterns[Fimb.count++] = wcbeg;
-+ for (wclim = wcbeg;
-+ wclim < wcpattern + wcsize && *wclim != L'\n'; ++wclim)
-+ *wclim = towlower (*wclim);
-+ *wclim = L'\0';
-+ wclen = wclim - wcbeg;
-+ if (wclen > Fimb.maxlen)
-+ Fimb.maxlen = wclen;
-+ if (wclen > 3)
-+ wclen = 3;
-+ if (wclen == 0)
-+ {
-+ if ((err = kwsincr (fimb_kwset, "", 0)) != 0)
-+ error (2, 0, err);
-+ }
-+ else
-+ for (i = 0; i < (1 << wclen); i++)
-+ {
-+ char *p = starts;
-+ int j, k;
-+
-+ for (j = 0; j < wclen; ++j)
-+ {
-+ wchar_t wc = wcbeg[j];
-+ if (i & (1 << j))
-+ {
-+ wc = towupper (wc);
-+ if (wc == wcbeg[j])
-+ continue;
-+ }
-+ k = wctomb (p, wc);
-+ if (k <= 0)
-+ goto fimb_fail;
-+ p += k;
-+ }
-+ if ((err = kwsincr (fimb_kwset, starts, p - starts)) != 0)
-+ error (2, 0, err);
-+ }
-+ if (wclim < wcpattern + wcsize)
-+ ++wclim;
-+ wcbeg = wclim;
-+ }
-+ while (wcbeg < wcpattern + wcsize);
-+ f_i_multibyte = 1;
-+ kwset = fimb_kwset;
-+ free (starts);
-+ Fimb.match = xmalloc (Fimb.count);
-+ if ((err = kwsprep (kwset)) != 0)
-+ error (2, 0, err);
-+ return;
-+ }
-+ }
-+#endif /* MBS_SUPPORT */
-+
-+
- kwsinit ();
- beg = pattern;
- do
-@@ -499,6 +815,76 @@ Fcompile (char const *pattern, size_t size)
- error (2, 0, err);
- }
-
-+#ifdef MBS_SUPPORT
-+static int
-+Fimbexec (const char *buf, size_t size, size_t *plen, int exact)
-+{
-+ size_t len, letter, i;
-+ int ret = -1;
-+ mbstate_t mbs;
-+ wchar_t wc;
-+ int patterns_left;
-+
-+ assert (match_icase && f_i_multibyte == 1);
-+ assert (MB_CUR_MAX > 1);
-+
-+ memset (&mbs, '\0', sizeof (mbs));
-+ memset (Fimb.match, '\1', Fimb.count);
-+ letter = len = 0;
-+ patterns_left = 1;
-+ while (patterns_left && len <= size)
-+ {
-+ size_t c;
-+
-+ patterns_left = 0;
-+ if (len < size)
-+ {
-+ c = mbrtowc (&wc, buf + len, size - len, &mbs);
-+ if (c + 2 <= 2)
-+ return ret;
-+
-+ wc = towlower (wc);
-+ }
-+ else
-+ {
-+ c = 1;
-+ wc = L'\0';
-+ }
-+
-+ for (i = 0; i < Fimb.count; i++)
-+ {
-+ if (Fimb.match[i])
-+ {
-+ if (Fimb.patterns[i][letter] == L'\0')
-+ {
-+ /* Found a match. */
-+ *plen = len;
-+ if (!exact && !match_words)
-+ return 0;
-+ else
-+ {
-+ /* For -w or exact look for longest match. */
-+ ret = 0;
-+ Fimb.match[i] = '\0';
-+ continue;
-+ }
-+ }
-+
-+ if (Fimb.patterns[i][letter] == wc)
-+ patterns_left = 1;
-+ else
-+ Fimb.match[i] = '\0';
-+ }
-+ }
-+
-+ len += c;
-+ letter++;
-+ }
-+
-+ return ret;
-+}
-+#endif /* MBS_SUPPORT */
-+
- static size_t
- Fexecute (char const *buf, size_t size, size_t *match_size, int exact)
- {
-@@ -506,88 +892,268 @@ Fexecute (char const *buf, size_t size, size_t *match_size, int exact)
- register size_t len;
- char eol = eolbyte;
- struct kwsmatch kwsmatch;
-+ size_t ret_val;
- #ifdef MBS_SUPPORT
-- char *mb_properties;
-- if (MB_CUR_MAX > 1)
-- mb_properties = check_multibyte_string (buf, size);
-+ int mb_cur_max = MB_CUR_MAX;
-+ mbstate_t mbs;
-+ memset (&mbs, '\0', sizeof (mbstate_t));
-+ const char *last_char = NULL;
- #endif /* MBS_SUPPORT */
-
-- for (beg = buf; beg <= buf + size; ++beg)
-+ for (beg = buf; beg < buf + size; ++beg)
- {
-- size_t offset = kwsexec (kwset, beg, buf + size - beg, &kwsmatch);
-+ size_t offset;
-+ offset = kwsexec (kwset, beg, buf + size - beg, &kwsmatch);
-+
- if (offset == (size_t) -1)
-- {
-+ goto failure;
- #ifdef MBS_SUPPORT
-- if (MB_CUR_MAX > 1)
-- free(mb_properties);
--#endif /* MBS_SUPPORT */
-- return offset;
-+ if (mb_cur_max > 1 && !using_utf8)
-+ {
-+ size_t bytes_left = offset;
-+ while (bytes_left)
-+ {
-+ size_t mlen = mbrlen (beg, bytes_left, &mbs);
-+
-+ last_char = beg;
-+ if (mlen == (size_t) -1 || mlen == 0)
-+ {
-+ /* Incomplete character: treat as single-byte. */
-+ memset (&mbs, '\0', sizeof (mbstate_t));
-+ beg++;
-+ bytes_left--;
-+ continue;
-+ }
-+
-+ if (mlen == (size_t) -2)
-+ /* Offset points inside multibyte character: no good. */
-+ break;
-+
-+ beg += mlen;
-+ bytes_left -= mlen;
-+ }
-+
-+ if (bytes_left)
-+ continue;
- }
--#ifdef MBS_SUPPORT
-- if (MB_CUR_MAX > 1 && mb_properties[offset+beg-buf] == 0)
-- continue; /* It is a part of multibyte character. */
-+ else
- #endif /* MBS_SUPPORT */
- beg += offset;
-- len = kwsmatch.size[0];
-- if (exact)
-- {
-- *match_size = len;
- #ifdef MBS_SUPPORT
-- if (MB_CUR_MAX > 1)
-- free (mb_properties);
-+ /* For f_i_multibyte, the string at beg now matches first 3 chars of
-+ one of the search strings (less if there are shorter search strings).
-+ See if this is a real match. */
-+ if (f_i_multibyte
-+ && Fimbexec (beg, buf + size - beg, &kwsmatch.size[0], exact))
-+ goto next_char;
- #endif /* MBS_SUPPORT */
-- return beg - buf;
-- }
-+ len = kwsmatch.size[0];
-+ if (exact && !match_words)
-+ goto success_in_beg_and_len;
- if (match_lines)
- {
- if (beg > buf && beg[-1] != eol)
-- continue;
-+ goto next_char;
- if (beg + len < buf + size && beg[len] != eol)
-- continue;
-+ goto next_char;
- goto success;
- }
- else if (match_words)
-- for (try = beg; len; )
-- {
-- if (try > buf && WCHAR((unsigned char) try[-1]))
-- break;
-- if (try + len < buf + size && WCHAR((unsigned char) try[len]))
-- {
-- offset = kwsexec (kwset, beg, --len, &kwsmatch);
-- if (offset == (size_t) -1)
-- {
-+ {
-+ while (len)
-+ {
-+ int word_match = 0;
-+ if (beg > buf)
-+ {
- #ifdef MBS_SUPPORT
-- if (MB_CUR_MAX > 1)
-- free (mb_properties);
-+ if (mb_cur_max > 1)
-+ {
-+ const char *s;
-+ int mr;
-+ wchar_t pwc;
-+
-+ if (using_utf8)
-+ {
-+ s = beg - 1;
-+ while (s > buf
-+ && (unsigned char) *s >= 0x80
-+ && (unsigned char) *s <= 0xbf)
-+ --s;
-+ }
-+ else
-+ s = last_char;
-+ mr = mbtowc (&pwc, s, beg - s);
-+ if (mr <= 0)
-+ memset (&mbs, '\0', sizeof (mbstate_t));
-+ else if ((iswalnum (pwc) || pwc == L'_')
-+ && mr == (int) (beg - s))
-+ goto next_char;
-+ }
-+ else
- #endif /* MBS_SUPPORT */
-- return offset;
-- }
-- try = beg + offset;
-- len = kwsmatch.size[0];
-- }
-- else
-- goto success;
-- }
-+ if (WCHAR ((unsigned char) beg[-1]))
-+ goto next_char;
-+ }
-+#ifdef MBS_SUPPORT
-+ if (mb_cur_max > 1)
-+ {
-+ wchar_t nwc;
-+ int mr;
-+
-+ mr = mbtowc (&nwc, beg + len, buf + size - beg - len);
-+ if (mr <= 0)
-+ {
-+ memset (&mbs, '\0', sizeof (mbstate_t));
-+ word_match = 1;
-+ }
-+ else if (!iswalnum (nwc) && nwc != L'_')
-+ word_match = 1;
-+ }
-+ else
-+#endif /* MBS_SUPPORT */
-+ if (beg + len >= buf + size || !WCHAR ((unsigned char) beg[len]))
-+ word_match = 1;
-+ if (word_match)
-+ {
-+ if (!exact)
-+ /* Returns the whole line now we know there's a word match. */
-+ goto success;
-+ else
-+ /* Returns just this word match. */
-+ goto success_in_beg_and_len;
-+ }
-+ if (len > 0)
-+ {
-+ /* Try a shorter length anchored at the same place. */
-+ --len;
-+ offset = kwsexec (kwset, beg, len, &kwsmatch);
-+
-+ if (offset == -1)
-+ goto next_char; /* Try a different anchor. */
-+#ifdef MBS_SUPPORT
-+ if (mb_cur_max > 1 && !using_utf8)
-+ {
-+ size_t bytes_left = offset;
-+ while (bytes_left)
-+ {
-+ size_t mlen = mbrlen (beg, bytes_left, &mbs);
-+
-+ last_char = beg;
-+ if (mlen == (size_t) -1 || mlen == 0)
-+ {
-+ /* Incomplete character: treat as single-byte. */
-+ memset (&mbs, '\0', sizeof (mbstate_t));
-+ beg++;
-+ bytes_left--;
-+ continue;
-+ }
-+
-+ if (mlen == (size_t) -2)
-+ {
-+ /* Offset points inside multibyte character:
-+ * no good. */
-+ break;
-+ }
-+
-+ beg += mlen;
-+ bytes_left -= mlen;
-+ }
-+
-+ if (bytes_left)
-+ {
-+ memset (&mbs, '\0', sizeof (mbstate_t));
-+ goto next_char; /* Try a different anchor. */
-+ }
-+ }
-+ else
-+#endif /* MBS_SUPPORT */
-+ beg += offset;
-+#ifdef MBS_SUPPORT
-+ /* The string at beg now matches first 3 chars of one of
-+ the search strings (less if there are shorter search
-+ strings). See if this is a real match. */
-+ if (f_i_multibyte
-+ && Fimbexec (beg, len - offset, &kwsmatch.size[0],
-+ exact))
-+ goto next_char;
-+#endif /* MBS_SUPPORT */
-+ len = kwsmatch.size[0];
-+ }
-+ }
-+ }
- else
- goto success;
-- }
--
-+next_char:;
- #ifdef MBS_SUPPORT
-- if (MB_CUR_MAX > 1)
-- free (mb_properties);
-+ /* Advance to next character. For MB_CUR_MAX == 1 case this is handled
-+ by ++beg above. */
-+ if (mb_cur_max > 1)
-+ {
-+ if (using_utf8)
-+ {
-+ unsigned char c = *beg;
-+ if (c >= 0xc2)
-+ {
-+ if (c < 0xe0)
-+ ++beg;
-+ else if (c < 0xf0)
-+ beg += 2;
-+ else if (c < 0xf8)
-+ beg += 3;
-+ else if (c < 0xfc)
-+ beg += 4;
-+ else if (c < 0xfe)
-+ beg += 5;
-+ }
-+ }
-+ else
-+ {
-+ size_t l = mbrlen (beg, buf + size - beg, &mbs);
-+
-+ last_char = beg;
-+ if (l + 2 >= 2)
-+ beg += l - 1;
-+ else
-+ memset (&mbs, '\0', sizeof (mbstate_t));
-+ }
-+ }
- #endif /* MBS_SUPPORT */
-+ }
-+
-+ failure:
- return -1;
-
- success:
-+#ifdef MBS_SUPPORT
-+ if (mb_cur_max > 1 && !using_utf8)
-+ {
-+ end = beg + len;
-+ while (end < buf + size)
-+ {
-+ size_t mlen = mbrlen (end, buf + size - end, &mbs);
-+ if (mlen == (size_t) -1 || mlen == (size_t) -2 || mlen == 0)
-+ {
-+ memset (&mbs, '\0', sizeof (mbstate_t));
-+ mlen = 1;
-+ }
-+ if (mlen == 1 && *end == eol)
-+ break;
-+
-+ end += mlen;
-+ }
-+ }
-+ else
-+#endif /* MBS_SUPPORT */
- end = memchr (beg + len, eol, (buf + size) - (beg + len));
-+
- end++;
- while (buf < beg && beg[-1] != eol)
- --beg;
-- *match_size = end - beg;
--#ifdef MBS_SUPPORT
-- if (MB_CUR_MAX > 1)
-- free (mb_properties);
--#endif /* MBS_SUPPORT */
-+ len = end - beg;
-+ /* FALLTHROUGH */
-+
-+ success_in_beg_and_len:
-+ *match_size = len;
- return beg - buf;
- }
-
-@@ -701,8 +1267,9 @@ Pexecute (char const *buf, size_t size, size_t *match_size, int exact)
- char eol = eolbyte;
- if (!exact)
- {
-- end = memchr (end, eol, buflim - end);
-- end++;
-+ while (end < buflim)
-+ if (*end++ == eol)
-+ break;
- while (buf < beg && beg[-1] != eol)
- --beg;
- }
---
-1.8.4.2
-