Improved encoding errors handling (by better-encoding-errors-handling patch)
Resolves: rhbz#1219141 - kwset-abuse test no longer needs to be explicitly set executable
This commit is contained in:
parent
a403fe66ef
commit
40d7c13ce2
699
grep-2.22-better-encoding-errors-handling.patch
Normal file
699
grep-2.22-better-encoding-errors-handling.patch
Normal file
@ -0,0 +1,699 @@
|
|||||||
|
diff --git a/doc/grep.texi b/doc/grep.texi
|
||||||
|
index e3495bb..41f4fa5 100644
|
||||||
|
--- a/doc/grep.texi
|
||||||
|
+++ b/doc/grep.texi
|
||||||
|
@@ -596,13 +596,13 @@ If a file's allocation metadata,
|
||||||
|
or if its data read before a line is selected for output,
|
||||||
|
indicate that the file contains binary data,
|
||||||
|
assume that the file is of type @var{type}.
|
||||||
|
-Non-text bytes indicate binary data; these are either data bytes
|
||||||
|
-improperly encoded for the current locale, or null bytes when the
|
||||||
|
+Non-text bytes indicate binary data; these are either output bytes that are
|
||||||
|
+improperly encoded for the current locale, or null input bytes when the
|
||||||
|
@option{-z} (@option{--null-data}) option is not given (@pxref{Other
|
||||||
|
Options}).
|
||||||
|
|
||||||
|
-By default, @var{type} is @samp{binary},
|
||||||
|
-and @command{grep} normally outputs either
|
||||||
|
+By default, @var{type} is @samp{binary}, and when @command{grep}
|
||||||
|
+discovers that a file is binary it normally outputs either
|
||||||
|
a one-line message saying that a binary file matches,
|
||||||
|
or no message if there is no match.
|
||||||
|
When processing binary data, @command{grep} may treat non-text bytes
|
||||||
|
@@ -611,7 +611,8 @@ not match a null byte, as the null byte might be treated as a line
|
||||||
|
terminator even without the @option{-z} (@option{--null-data}) option.
|
||||||
|
|
||||||
|
If @var{type} is @samp{without-match},
|
||||||
|
-@command{grep} assumes that a binary file does not match;
|
||||||
|
+when @command{grep} discovers that a file is binary
|
||||||
|
+it assumes that the rest of the file does not match;
|
||||||
|
this is equivalent to the @option{-I} option.
|
||||||
|
|
||||||
|
If @var{type} is @samp{text},
|
||||||
|
diff --git a/src/grep.c b/src/grep.c
|
||||||
|
index 9ae6af8..eac540a 100644
|
||||||
|
--- a/src/grep.c
|
||||||
|
+++ b/src/grep.c
|
||||||
|
@@ -377,7 +377,6 @@ bool match_icase;
|
||||||
|
bool match_words;
|
||||||
|
bool match_lines;
|
||||||
|
char eolbyte;
|
||||||
|
-enum textbin input_textbin;
|
||||||
|
|
||||||
|
static char const *matcher;
|
||||||
|
|
||||||
|
@@ -389,6 +388,10 @@ static bool omit_dot_slash;
|
||||||
|
static bool errseen;
|
||||||
|
static bool write_error_seen;
|
||||||
|
|
||||||
|
+/* True if output from the current input file has been suppressed
|
||||||
|
+ because an output line had an encoding error. */
|
||||||
|
+static bool encoding_error_output;
|
||||||
|
+
|
||||||
|
enum directories_type
|
||||||
|
{
|
||||||
|
READ_DIRECTORIES = 2,
|
||||||
|
@@ -481,12 +484,6 @@ clean_up_stdout (void)
|
||||||
|
close_stdout ();
|
||||||
|
}
|
||||||
|
|
||||||
|
-static bool
|
||||||
|
-textbin_is_binary (enum textbin textbin)
|
||||||
|
-{
|
||||||
|
- return textbin < TEXTBIN_UNKNOWN;
|
||||||
|
-}
|
||||||
|
-
|
||||||
|
/* The high-order bit of a byte. */
|
||||||
|
enum { HIBYTE = 0x80 };
|
||||||
|
|
||||||
|
@@ -551,58 +548,60 @@ skip_easy_bytes (char const *buf)
|
||||||
|
return p;
|
||||||
|
}
|
||||||
|
|
||||||
|
-/* Return the text type of data in BUF, of size SIZE.
|
||||||
|
+/* Return true if BUF, of size SIZE, has an encoding error.
|
||||||
|
BUF must be followed by at least sizeof (uword) bytes,
|
||||||
|
- which may be arbitrarily written to or read from. */
|
||||||
|
-static enum textbin
|
||||||
|
-buffer_textbin (char *buf, size_t size)
|
||||||
|
+ the first of which may be modified. */
|
||||||
|
+static bool
|
||||||
|
+buf_has_encoding_errors (char *buf, size_t size)
|
||||||
|
{
|
||||||
|
- if (eolbyte && memchr (buf, '\0', size))
|
||||||
|
- return TEXTBIN_BINARY;
|
||||||
|
+ if (MB_CUR_MAX <= 1)
|
||||||
|
+ return false;
|
||||||
|
|
||||||
|
- if (1 < MB_CUR_MAX)
|
||||||
|
- {
|
||||||
|
- mbstate_t mbs = { 0 };
|
||||||
|
- size_t clen;
|
||||||
|
- char const *p;
|
||||||
|
+ mbstate_t mbs = { 0 };
|
||||||
|
+ size_t clen;
|
||||||
|
|
||||||
|
- buf[size] = -1;
|
||||||
|
- for (p = buf; (p = skip_easy_bytes (p)) < buf + size; p += clen)
|
||||||
|
- {
|
||||||
|
- clen = mbrlen (p, buf + size - p, &mbs);
|
||||||
|
- if ((size_t) -2 <= clen)
|
||||||
|
- return clen == (size_t) -2 ? TEXTBIN_UNKNOWN : TEXTBIN_BINARY;
|
||||||
|
- }
|
||||||
|
+ buf[size] = -1;
|
||||||
|
+ for (char const *p = buf; (p = skip_easy_bytes (p)) < buf + size; p += clen)
|
||||||
|
+ {
|
||||||
|
+ clen = mbrlen (p, buf + size - p, &mbs);
|
||||||
|
+ if ((size_t) -2 <= clen)
|
||||||
|
+ return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
- return TEXTBIN_TEXT;
|
||||||
|
+ return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
-/* Return the text type of a file. BUF, of size SIZE, is the initial
|
||||||
|
- buffer read from the file with descriptor FD and status ST.
|
||||||
|
- BUF must be followed by at least sizeof (uword) bytes,
|
||||||
|
+
|
||||||
|
+/* Return true if BUF, of size SIZE, has a null byte.
|
||||||
|
+ BUF must be followed by at least one byte,
|
||||||
|
which may be arbitrarily written to or read from. */
|
||||||
|
-static enum textbin
|
||||||
|
-file_textbin (char *buf, size_t size, int fd, struct stat const *st)
|
||||||
|
+static bool
|
||||||
|
+buf_has_nulls (char *buf, size_t size)
|
||||||
|
{
|
||||||
|
- enum textbin textbin = buffer_textbin (buf, size);
|
||||||
|
- if (textbin_is_binary (textbin))
|
||||||
|
- return textbin;
|
||||||
|
+ buf[size] = 0;
|
||||||
|
+ return strlen (buf) != size;
|
||||||
|
+}
|
||||||
|
|
||||||
|
+/* Return true if a file is known to contain null bytes.
|
||||||
|
+ SIZE bytes have already been read from the file
|
||||||
|
+ with descriptor FD and status ST. */
|
||||||
|
+static bool
|
||||||
|
+file_must_have_nulls (size_t size, int fd, struct stat const *st)
|
||||||
|
+{
|
||||||
|
if (usable_st_size (st))
|
||||||
|
{
|
||||||
|
if (st->st_size <= size)
|
||||||
|
- return textbin == TEXTBIN_UNKNOWN ? TEXTBIN_BINARY : textbin;
|
||||||
|
+ return false;
|
||||||
|
|
||||||
|
/* If the file has holes, it must contain a null byte somewhere. */
|
||||||
|
- if (SEEK_HOLE != SEEK_SET && eolbyte)
|
||||||
|
+ if (SEEK_HOLE != SEEK_SET)
|
||||||
|
{
|
||||||
|
off_t cur = size;
|
||||||
|
if (O_BINARY || fd == STDIN_FILENO)
|
||||||
|
{
|
||||||
|
cur = lseek (fd, 0, SEEK_CUR);
|
||||||
|
if (cur < 0)
|
||||||
|
- return TEXTBIN_UNKNOWN;
|
||||||
|
+ return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Look for a hole after the current location. */
|
||||||
|
@@ -612,12 +611,12 @@ file_textbin (char *buf, size_t size, int fd, struct stat const *st)
|
||||||
|
if (lseek (fd, cur, SEEK_SET) < 0)
|
||||||
|
suppressible_error (filename, errno);
|
||||||
|
if (hole_start < st->st_size)
|
||||||
|
- return TEXTBIN_BINARY;
|
||||||
|
+ return true;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
- return TEXTBIN_UNKNOWN;
|
||||||
|
+ return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Convert STR to a nonnegative integer, storing the result in *OUT.
|
||||||
|
@@ -888,7 +887,7 @@ static char *label = NULL; /* Fake filename for stdin */
|
||||||
|
/* Internal variables to keep track of byte count, context, etc. */
|
||||||
|
static uintmax_t totalcc; /* Total character count before bufbeg. */
|
||||||
|
static char const *lastnl; /* Pointer after last newline counted. */
|
||||||
|
-static char const *lastout; /* Pointer after last character output;
|
||||||
|
+static char *lastout; /* Pointer after last character output;
|
||||||
|
NULL if no character has been output
|
||||||
|
or if it's conceptually before bufbeg. */
|
||||||
|
static intmax_t outleft; /* Maximum number of lines to be output. */
|
||||||
|
@@ -960,10 +959,31 @@ print_offset (uintmax_t pos, int min_width, const char *color)
|
||||||
|
pr_sgr_end_if (color);
|
||||||
|
}
|
||||||
|
|
||||||
|
-/* Print a whole line head (filename, line, byte). */
|
||||||
|
-static void
|
||||||
|
-print_line_head (char const *beg, char const *lim, char sep)
|
||||||
|
+/* Print a whole line head (filename, line, byte). The output data
|
||||||
|
+ starts at BEG and contains LEN bytes; it is followed by at least
|
||||||
|
+ sizeof (uword) bytes, the first of which may be temporarily modified.
|
||||||
|
+ The output data comes from what is perhaps a larger input line that
|
||||||
|
+ goes until LIM, where LIM[-1] is an end-of-line byte. Use SEP as
|
||||||
|
+ the separator on output.
|
||||||
|
+
|
||||||
|
+ Return true unless the line was suppressed due to an encoding error. */
|
||||||
|
+
|
||||||
|
+static bool
|
||||||
|
+print_line_head (char *beg, size_t len, char const *lim, char sep)
|
||||||
|
{
|
||||||
|
+ bool encoding_errors = false;
|
||||||
|
+ if (binary_files != TEXT_BINARY_FILES)
|
||||||
|
+ {
|
||||||
|
+ char ch = beg[len];
|
||||||
|
+ encoding_errors = buf_has_encoding_errors (beg, len);
|
||||||
|
+ beg[len] = ch;
|
||||||
|
+ }
|
||||||
|
+ if (encoding_errors)
|
||||||
|
+ {
|
||||||
|
+ encoding_error_output = done_on_match = out_quiet = true;
|
||||||
|
+ return false;
|
||||||
|
+ }
|
||||||
|
+
|
||||||
|
bool pending_sep = false;
|
||||||
|
|
||||||
|
if (out_file)
|
||||||
|
@@ -1010,22 +1030,27 @@ print_line_head (char const *beg, char const *lim, char sep)
|
||||||
|
|
||||||
|
print_sep (sep);
|
||||||
|
}
|
||||||
|
+
|
||||||
|
+ return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
-static const char *
|
||||||
|
-print_line_middle (const char *beg, const char *lim,
|
||||||
|
+static char *
|
||||||
|
+print_line_middle (char *beg, char *lim,
|
||||||
|
const char *line_color, const char *match_color)
|
||||||
|
{
|
||||||
|
size_t match_size;
|
||||||
|
size_t match_offset;
|
||||||
|
- const char *cur = beg;
|
||||||
|
- const char *mid = NULL;
|
||||||
|
-
|
||||||
|
- while (cur < lim
|
||||||
|
- && ((match_offset = execute (beg, lim - beg, &match_size, cur))
|
||||||
|
- != (size_t) -1))
|
||||||
|
+ char *cur = beg;
|
||||||
|
+ char *mid = NULL;
|
||||||
|
+ char *b;
|
||||||
|
+
|
||||||
|
+ for (cur = beg;
|
||||||
|
+ (cur < lim
|
||||||
|
+ && ((match_offset = execute (beg, lim - beg, &match_size, cur))
|
||||||
|
+ != (size_t) -1));
|
||||||
|
+ cur = b + match_size)
|
||||||
|
{
|
||||||
|
- char const *b = beg + match_offset;
|
||||||
|
+ b = beg + match_offset;
|
||||||
|
|
||||||
|
/* Avoid matching the empty line at the end of the buffer. */
|
||||||
|
if (b == lim)
|
||||||
|
@@ -1045,8 +1070,11 @@ print_line_middle (const char *beg, const char *lim,
|
||||||
|
/* This function is called on a matching line only,
|
||||||
|
but is it selected or rejected/context? */
|
||||||
|
if (only_matching)
|
||||||
|
- print_line_head (b, lim, (out_invert ? SEP_CHAR_REJECTED
|
||||||
|
- : SEP_CHAR_SELECTED));
|
||||||
|
+ {
|
||||||
|
+ char sep = out_invert ? SEP_CHAR_REJECTED : SEP_CHAR_SELECTED;
|
||||||
|
+ if (! print_line_head (b, match_size, lim, sep))
|
||||||
|
+ return NULL;
|
||||||
|
+ }
|
||||||
|
else
|
||||||
|
{
|
||||||
|
pr_sgr_start (line_color);
|
||||||
|
@@ -1064,7 +1092,6 @@ print_line_middle (const char *beg, const char *lim,
|
||||||
|
if (only_matching)
|
||||||
|
fputs ("\n", stdout);
|
||||||
|
}
|
||||||
|
- cur = b + match_size;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (only_matching)
|
||||||
|
@@ -1075,8 +1102,8 @@ print_line_middle (const char *beg, const char *lim,
|
||||||
|
return cur;
|
||||||
|
}
|
||||||
|
|
||||||
|
-static const char *
|
||||||
|
-print_line_tail (const char *beg, const char *lim, const char *line_color)
|
||||||
|
+static char *
|
||||||
|
+print_line_tail (char *beg, const char *lim, const char *line_color)
|
||||||
|
{
|
||||||
|
size_t eol_size;
|
||||||
|
size_t tail_size;
|
||||||
|
@@ -1097,14 +1124,15 @@ print_line_tail (const char *beg, const char *lim, const char *line_color)
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
-prline (char const *beg, char const *lim, char sep)
|
||||||
|
+prline (char *beg, char *lim, char sep)
|
||||||
|
{
|
||||||
|
bool matching;
|
||||||
|
const char *line_color;
|
||||||
|
const char *match_color;
|
||||||
|
|
||||||
|
if (!only_matching)
|
||||||
|
- print_line_head (beg, lim, sep);
|
||||||
|
+ if (! print_line_head (beg, lim - beg - 1, lim, sep))
|
||||||
|
+ return;
|
||||||
|
|
||||||
|
matching = (sep == SEP_CHAR_SELECTED) ^ out_invert;
|
||||||
|
|
||||||
|
@@ -1124,7 +1152,11 @@ prline (char const *beg, char const *lim, char sep)
|
||||||
|
{
|
||||||
|
/* We already know that non-matching lines have no match (to colorize). */
|
||||||
|
if (matching && (only_matching || *match_color))
|
||||||
|
- beg = print_line_middle (beg, lim, line_color, match_color);
|
||||||
|
+ {
|
||||||
|
+ beg = print_line_middle (beg, lim, line_color, match_color);
|
||||||
|
+ if (! beg)
|
||||||
|
+ return;
|
||||||
|
+ }
|
||||||
|
|
||||||
|
if (!only_matching && *line_color)
|
||||||
|
{
|
||||||
|
@@ -1158,7 +1190,7 @@ prpending (char const *lim)
|
||||||
|
lastout = bufbeg;
|
||||||
|
while (pending > 0 && lastout < lim)
|
||||||
|
{
|
||||||
|
- char const *nl = memchr (lastout, eolbyte, lim - lastout);
|
||||||
|
+ char *nl = memchr (lastout, eolbyte, lim - lastout);
|
||||||
|
size_t match_size;
|
||||||
|
--pending;
|
||||||
|
if (outleft
|
||||||
|
@@ -1173,7 +1205,7 @@ prpending (char const *lim)
|
||||||
|
|
||||||
|
/* Output the lines between BEG and LIM. Deal with context. */
|
||||||
|
static void
|
||||||
|
-prtext (char const *beg, char const *lim)
|
||||||
|
+prtext (char *beg, char *lim)
|
||||||
|
{
|
||||||
|
static bool used; /* Avoid printing SEP_STR_GROUP before any output. */
|
||||||
|
char eol = eolbyte;
|
||||||
|
@@ -1181,7 +1213,7 @@ prtext (char const *beg, char const *lim)
|
||||||
|
if (!out_quiet && pending > 0)
|
||||||
|
prpending (beg);
|
||||||
|
|
||||||
|
- char const *p = beg;
|
||||||
|
+ char *p = beg;
|
||||||
|
|
||||||
|
if (!out_quiet)
|
||||||
|
{
|
||||||
|
@@ -1207,7 +1239,7 @@ prtext (char const *beg, char const *lim)
|
||||||
|
|
||||||
|
while (p < beg)
|
||||||
|
{
|
||||||
|
- char const *nl = memchr (p, eol, beg - p);
|
||||||
|
+ char *nl = memchr (p, eol, beg - p);
|
||||||
|
nl++;
|
||||||
|
prline (p, nl, SEP_CHAR_REJECTED);
|
||||||
|
p = nl;
|
||||||
|
@@ -1220,7 +1252,7 @@ prtext (char const *beg, char const *lim)
|
||||||
|
/* One or more lines are output. */
|
||||||
|
for (n = 0; p < lim && n < outleft; n++)
|
||||||
|
{
|
||||||
|
- char const *nl = memchr (p, eol, lim - p);
|
||||||
|
+ char *nl = memchr (p, eol, lim - p);
|
||||||
|
nl++;
|
||||||
|
if (!out_quiet)
|
||||||
|
prline (p, nl, SEP_CHAR_SELECTED);
|
||||||
|
@@ -1267,13 +1299,12 @@ zap_nuls (char *p, char *lim, char eol)
|
||||||
|
between matching lines if OUT_INVERT is true). Return a count of
|
||||||
|
lines printed. Replace all NUL bytes with NUL_ZAPPER as we go. */
|
||||||
|
static intmax_t
|
||||||
|
-grepbuf (char const *beg, char const *lim)
|
||||||
|
+grepbuf (char *beg, char const *lim)
|
||||||
|
{
|
||||||
|
intmax_t outleft0 = outleft;
|
||||||
|
- char const *p;
|
||||||
|
- char const *endp;
|
||||||
|
+ char *endp;
|
||||||
|
|
||||||
|
- for (p = beg; p < lim; p = endp)
|
||||||
|
+ for (char *p = beg; p < lim; p = endp)
|
||||||
|
{
|
||||||
|
size_t match_size;
|
||||||
|
size_t match_offset = execute (p, lim - p, &match_size, NULL);
|
||||||
|
@@ -1284,15 +1315,15 @@ grepbuf (char const *beg, char const *lim)
|
||||||
|
match_offset = lim - p;
|
||||||
|
match_size = 0;
|
||||||
|
}
|
||||||
|
- char const *b = p + match_offset;
|
||||||
|
+ char *b = p + match_offset;
|
||||||
|
endp = b + match_size;
|
||||||
|
/* Avoid matching the empty line at the end of the buffer. */
|
||||||
|
if (!out_invert && b == lim)
|
||||||
|
break;
|
||||||
|
if (!out_invert || p < b)
|
||||||
|
{
|
||||||
|
- char const *prbeg = out_invert ? p : b;
|
||||||
|
- char const *prend = out_invert ? b : endp;
|
||||||
|
+ char *prbeg = out_invert ? p : b;
|
||||||
|
+ char *prend = out_invert ? b : endp;
|
||||||
|
prtext (prbeg, prend);
|
||||||
|
if (!outleft || done_on_match)
|
||||||
|
{
|
||||||
|
@@ -1313,7 +1344,6 @@ static intmax_t
|
||||||
|
grep (int fd, struct stat const *st)
|
||||||
|
{
|
||||||
|
intmax_t nlines, i;
|
||||||
|
- enum textbin textbin;
|
||||||
|
size_t residue, save;
|
||||||
|
char oldc;
|
||||||
|
char *beg;
|
||||||
|
@@ -1322,6 +1352,7 @@ grep (int fd, struct stat const *st)
|
||||||
|
char nul_zapper = '\0';
|
||||||
|
bool done_on_match_0 = done_on_match;
|
||||||
|
bool out_quiet_0 = out_quiet;
|
||||||
|
+ bool has_nulls = false;
|
||||||
|
|
||||||
|
if (! reset (fd, st))
|
||||||
|
return 0;
|
||||||
|
@@ -1333,6 +1364,7 @@ grep (int fd, struct stat const *st)
|
||||||
|
after_last_match = 0;
|
||||||
|
pending = 0;
|
||||||
|
skip_nuls = skip_empty_lines && !eol;
|
||||||
|
+ encoding_error_output = false;
|
||||||
|
seek_data_failed = false;
|
||||||
|
|
||||||
|
nlines = 0;
|
||||||
|
@@ -1345,26 +1377,20 @@ grep (int fd, struct stat const *st)
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
- if (binary_files == TEXT_BINARY_FILES)
|
||||||
|
- textbin = TEXTBIN_TEXT;
|
||||||
|
- else
|
||||||
|
+ for (bool firsttime = true; ; firsttime = false)
|
||||||
|
{
|
||||||
|
- textbin = file_textbin (bufbeg, buflim - bufbeg, fd, st);
|
||||||
|
- if (textbin_is_binary (textbin))
|
||||||
|
+ if (!has_nulls && eol && binary_files != TEXT_BINARY_FILES
|
||||||
|
+ && (buf_has_nulls (bufbeg, buflim - bufbeg)
|
||||||
|
+ || (firsttime && file_must_have_nulls (buflim - bufbeg, fd, st))))
|
||||||
|
{
|
||||||
|
+ has_nulls = true;
|
||||||
|
if (binary_files == WITHOUT_MATCH_BINARY_FILES)
|
||||||
|
return 0;
|
||||||
|
done_on_match = out_quiet = true;
|
||||||
|
nul_zapper = eol;
|
||||||
|
skip_nuls = skip_empty_lines;
|
||||||
|
}
|
||||||
|
- else if (execute != Pexecute)
|
||||||
|
- textbin = TEXTBIN_TEXT;
|
||||||
|
- }
|
||||||
|
|
||||||
|
- for (;;)
|
||||||
|
- {
|
||||||
|
- input_textbin = textbin;
|
||||||
|
lastnl = bufbeg;
|
||||||
|
if (lastout)
|
||||||
|
lastout = bufbeg;
|
||||||
|
@@ -1418,11 +1444,6 @@ grep (int fd, struct stat const *st)
|
||||||
|
if (beg != lastout)
|
||||||
|
lastout = 0;
|
||||||
|
|
||||||
|
- /* If the file's textbin has not been determined yet, assume
|
||||||
|
- it's text if has found any matched line already. */
|
||||||
|
- if (textbin == TEXTBIN_UNKNOWN && nlines)
|
||||||
|
- textbin = TEXTBIN_TEXT;
|
||||||
|
-
|
||||||
|
/* Handle some details and read more data to scan. */
|
||||||
|
save = residue + lim - beg;
|
||||||
|
if (out_byte)
|
||||||
|
@@ -1434,22 +1455,6 @@ grep (int fd, struct stat const *st)
|
||||||
|
suppressible_error (filename, errno);
|
||||||
|
goto finish_grep;
|
||||||
|
}
|
||||||
|
-
|
||||||
|
- /* If the file's textbin has not been determined yet, assume
|
||||||
|
- it's binary if the next input buffer suggests so. */
|
||||||
|
- if (textbin == TEXTBIN_UNKNOWN)
|
||||||
|
- {
|
||||||
|
- enum textbin tb = buffer_textbin (bufbeg, buflim - bufbeg);
|
||||||
|
- if (textbin_is_binary (tb))
|
||||||
|
- {
|
||||||
|
- if (binary_files == WITHOUT_MATCH_BINARY_FILES)
|
||||||
|
- return 0;
|
||||||
|
- textbin = tb;
|
||||||
|
- done_on_match = out_quiet = true;
|
||||||
|
- nul_zapper = eol;
|
||||||
|
- skip_nuls = skip_empty_lines;
|
||||||
|
- }
|
||||||
|
- }
|
||||||
|
}
|
||||||
|
if (residue)
|
||||||
|
{
|
||||||
|
@@ -1463,7 +1468,7 @@ grep (int fd, struct stat const *st)
|
||||||
|
finish_grep:
|
||||||
|
done_on_match = done_on_match_0;
|
||||||
|
out_quiet = out_quiet_0;
|
||||||
|
- if (textbin_is_binary (textbin) && !out_quiet && nlines != 0)
|
||||||
|
+ if ((has_nulls || encoding_error_output) && !out_quiet && nlines != 0)
|
||||||
|
printf (_("Binary file %s matches\n"), filename);
|
||||||
|
return nlines;
|
||||||
|
}
|
||||||
|
diff --git a/src/grep.h b/src/grep.h
|
||||||
|
index 580eb11..2e4527c 100644
|
||||||
|
--- a/src/grep.h
|
||||||
|
+++ b/src/grep.h
|
||||||
|
@@ -29,22 +29,4 @@ extern bool match_words; /* -w */
|
||||||
|
extern bool match_lines; /* -x */
|
||||||
|
extern char eolbyte; /* -z */
|
||||||
|
|
||||||
|
-/* An enum textbin describes the file's type, inferred from data read
|
||||||
|
- before the first line is selected for output. */
|
||||||
|
-enum textbin
|
||||||
|
- {
|
||||||
|
- /* Binary, as it contains null bytes and the -z option is not in effect,
|
||||||
|
- or it contains encoding errors. */
|
||||||
|
- TEXTBIN_BINARY = -1,
|
||||||
|
-
|
||||||
|
- /* Not known yet. Only text has been seen so far. */
|
||||||
|
- TEXTBIN_UNKNOWN = 0,
|
||||||
|
-
|
||||||
|
- /* Text. */
|
||||||
|
- TEXTBIN_TEXT = 1
|
||||||
|
- };
|
||||||
|
-
|
||||||
|
-/* Input file type. */
|
||||||
|
-extern enum textbin input_textbin;
|
||||||
|
-
|
||||||
|
#endif
|
||||||
|
diff --git a/src/pcresearch.c b/src/pcresearch.c
|
||||||
|
index b1f8310..a446b2c 100644
|
||||||
|
--- a/src/pcresearch.c
|
||||||
|
+++ b/src/pcresearch.c
|
||||||
|
@@ -194,32 +194,13 @@ Pexecute (char const *buf, size_t size, size_t *match_size,
|
||||||
|
error. */
|
||||||
|
char const *subject = buf;
|
||||||
|
|
||||||
|
- /* If the input type is unknown, the caller is still testing the
|
||||||
|
- input, which means the current buffer cannot contain encoding
|
||||||
|
- errors and a multiline search is typically more efficient.
|
||||||
|
- Otherwise, a single-line search is typically faster, so that
|
||||||
|
- pcre_exec doesn't waste time validating the entire input
|
||||||
|
- buffer. */
|
||||||
|
- bool multiline = input_textbin == TEXTBIN_UNKNOWN;
|
||||||
|
-
|
||||||
|
for (; p < buf + size; p = line_start = line_end + 1)
|
||||||
|
{
|
||||||
|
- bool too_big;
|
||||||
|
-
|
||||||
|
- if (multiline)
|
||||||
|
- {
|
||||||
|
- size_t pcre_size_max = MIN (INT_MAX, SIZE_MAX - 1);
|
||||||
|
- size_t scan_size = MIN (pcre_size_max + 1, buf + size - p);
|
||||||
|
- line_end = memrchr (p, eolbyte, scan_size);
|
||||||
|
- too_big = ! line_end;
|
||||||
|
- }
|
||||||
|
- else
|
||||||
|
- {
|
||||||
|
- line_end = memchr (p, eolbyte, buf + size - p);
|
||||||
|
- too_big = INT_MAX < line_end - p;
|
||||||
|
- }
|
||||||
|
-
|
||||||
|
- if (too_big)
|
||||||
|
+ /* A single-line search is typically faster, so that
|
||||||
|
+ pcre_exec doesn't waste time validating the entire input
|
||||||
|
+ buffer. */
|
||||||
|
+ line_end = memchr (p, eolbyte, buf + size - p);
|
||||||
|
+ if (INT_MAX < line_end - p)
|
||||||
|
error (EXIT_TROUBLE, 0, _("exceeded PCRE's line length limit"));
|
||||||
|
|
||||||
|
for (;;)
|
||||||
|
@@ -247,27 +228,11 @@ Pexecute (char const *buf, size_t size, size_t *match_size,
|
||||||
|
int options = 0;
|
||||||
|
if (!bol)
|
||||||
|
options |= PCRE_NOTBOL;
|
||||||
|
- if (multiline)
|
||||||
|
- options |= PCRE_NO_UTF8_CHECK;
|
||||||
|
|
||||||
|
e = jit_exec (subject, line_end - subject, search_offset,
|
||||||
|
options, sub);
|
||||||
|
if (e != PCRE_ERROR_BADUTF8)
|
||||||
|
- {
|
||||||
|
- if (0 < e && multiline && sub[1] - sub[0] != 0)
|
||||||
|
- {
|
||||||
|
- char const *nl = memchr (subject + sub[0], eolbyte,
|
||||||
|
- sub[1] - sub[0]);
|
||||||
|
- if (nl)
|
||||||
|
- {
|
||||||
|
- /* This match crosses a line boundary; reject it. */
|
||||||
|
- p = subject + sub[0];
|
||||||
|
- line_end = nl;
|
||||||
|
- continue;
|
||||||
|
- }
|
||||||
|
- }
|
||||||
|
- break;
|
||||||
|
- }
|
||||||
|
+ break;
|
||||||
|
int valid_bytes = sub[0];
|
||||||
|
|
||||||
|
/* Try to match the string before the encoding error. */
|
||||||
|
@@ -337,15 +302,6 @@ Pexecute (char const *buf, size_t size, size_t *match_size,
|
||||||
|
beg = matchbeg;
|
||||||
|
end = matchend;
|
||||||
|
}
|
||||||
|
- else if (multiline)
|
||||||
|
- {
|
||||||
|
- char const *prev_nl = memrchr (line_start - 1, eolbyte,
|
||||||
|
- matchbeg - (line_start - 1));
|
||||||
|
- char const *next_nl = memchr (matchend, eolbyte,
|
||||||
|
- line_end + 1 - matchend);
|
||||||
|
- beg = prev_nl + 1;
|
||||||
|
- end = next_nl + 1;
|
||||||
|
- }
|
||||||
|
else
|
||||||
|
{
|
||||||
|
beg = line_start;
|
||||||
|
diff --git a/tests/Makefile.am b/tests/Makefile.am
|
||||||
|
index d379821..2ade5be 100644
|
||||||
|
--- a/tests/Makefile.am
|
||||||
|
+++ b/tests/Makefile.am
|
||||||
|
@@ -70,6 +70,7 @@ TESTS = \
|
||||||
|
empty \
|
||||||
|
empty-line \
|
||||||
|
empty-line-mb \
|
||||||
|
+ encoding-error \
|
||||||
|
epipe \
|
||||||
|
equiv-classes \
|
||||||
|
ere \
|
||||||
|
diff --git a/tests/Makefile.in b/tests/Makefile.in
|
||||||
|
index 6de6f49..b5bd7b5 100644
|
||||||
|
--- a/tests/Makefile.in
|
||||||
|
+++ b/tests/Makefile.in
|
||||||
|
@@ -1406,6 +1406,7 @@ TESTS = \
|
||||||
|
empty \
|
||||||
|
empty-line \
|
||||||
|
empty-line-mb \
|
||||||
|
+ encoding-error \
|
||||||
|
epipe \
|
||||||
|
equiv-classes \
|
||||||
|
ere \
|
||||||
|
@@ -1997,6 +1998,13 @@ empty-line-mb.log: empty-line-mb
|
||||||
|
--log-file $$b.log --trs-file $$b.trs \
|
||||||
|
$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
|
||||||
|
"$$tst" $(AM_TESTS_FD_REDIRECT)
|
||||||
|
+encoding-error.log: encoding-error
|
||||||
|
+ @p='encoding-error'; \
|
||||||
|
+ b='encoding-error'; \
|
||||||
|
+ $(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
|
||||||
|
+ --log-file $$b.log --trs-file $$b.trs \
|
||||||
|
+ $(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
|
||||||
|
+ "$$tst" $(AM_TESTS_FD_REDIRECT)
|
||||||
|
epipe.log: epipe
|
||||||
|
@p='epipe'; \
|
||||||
|
b='epipe'; \
|
||||||
|
diff --git a/tests/encoding-error b/tests/encoding-error
|
||||||
|
new file mode 100755
|
||||||
|
index 0000000..fe52de2
|
||||||
|
--- a/dev/null
|
||||||
|
+++ b/tests/encoding-error
|
||||||
|
@@ -0,0 +1,41 @@
|
||||||
|
+#! /bin/sh
|
||||||
|
+# Test grep's behavior on encoding errors.
|
||||||
|
+#
|
||||||
|
+# Copyright 2015 Free Software Foundation, Inc.
|
||||||
|
+#
|
||||||
|
+# Copying and distribution of this file, with or without modification,
|
||||||
|
+# are permitted in any medium without royalty provided the copyright
|
||||||
|
+# notice and this notice are preserved.
|
||||||
|
+
|
||||||
|
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
|
||||||
|
+
|
||||||
|
+require_en_utf8_locale_
|
||||||
|
+
|
||||||
|
+LC_ALL=en_US.UTF-8
|
||||||
|
+export LC_ALL
|
||||||
|
+
|
||||||
|
+printf 'Alfred Jones\n' > a || framework_failure_
|
||||||
|
+printf 'John Smith\n' >j || framework_failure_
|
||||||
|
+printf 'Pedro P\xe9rez\n' >p || framework_failure_
|
||||||
|
+cat a p j >in || framework_failure_
|
||||||
|
+
|
||||||
|
+fail=0
|
||||||
|
+
|
||||||
|
+grep '^A' in >out || fail=1
|
||||||
|
+compare a out || fail=1
|
||||||
|
+
|
||||||
|
+grep '^P' in >out || fail=1
|
||||||
|
+printf 'Binary file in matches\n' >exp || framework_failure_
|
||||||
|
+compare exp out || fail=1
|
||||||
|
+
|
||||||
|
+grep '^J' in >out || fail=1
|
||||||
|
+compare j out || fail=1
|
||||||
|
+
|
||||||
|
+grep '^X' in >out
|
||||||
|
+test $? = 1 || fail=1
|
||||||
|
+compare /dev/null out || fail=1
|
||||||
|
+
|
||||||
|
+grep -a . in >out || fail=1
|
||||||
|
+compare in out
|
||||||
|
+
|
||||||
|
+Exit $fail
|
11
grep.spec
11
grep.spec
@ -3,7 +3,7 @@
|
|||||||
Summary: Pattern matching utilities
|
Summary: Pattern matching utilities
|
||||||
Name: grep
|
Name: grep
|
||||||
Version: 2.22
|
Version: 2.22
|
||||||
Release: 3%{?dist}
|
Release: 4%{?dist}
|
||||||
License: GPLv3+
|
License: GPLv3+
|
||||||
URL: http://www.gnu.org/software/grep/
|
URL: http://www.gnu.org/software/grep/
|
||||||
Group: Applications/Text
|
Group: Applications/Text
|
||||||
@ -20,6 +20,7 @@ Patch1: grep-2.22-help-align.patch
|
|||||||
Patch2: grep-2.22-disable-performance-related-tests.patch
|
Patch2: grep-2.22-disable-performance-related-tests.patch
|
||||||
# backported from upstream, upstream bug#22028
|
# backported from upstream, upstream bug#22028
|
||||||
Patch3: grep-2.22-Pc-consistent-results.patch
|
Patch3: grep-2.22-Pc-consistent-results.patch
|
||||||
|
Patch4: grep-2.22-better-encoding-errors-handling.patch
|
||||||
Requires(post): /sbin/install-info
|
Requires(post): /sbin/install-info
|
||||||
Requires(preun): /sbin/install-info
|
Requires(preun): /sbin/install-info
|
||||||
|
|
||||||
@ -45,8 +46,9 @@ GNU grep is needed by many scripts, so it shall be installed on every system.
|
|||||||
# variable load.
|
# variable load.
|
||||||
%patch2 -p1 -b .disable-performance-related-tests
|
%patch2 -p1 -b .disable-performance-related-tests
|
||||||
%patch3 -p1 -b .Pc-consistent-results
|
%patch3 -p1 -b .Pc-consistent-results
|
||||||
|
%patch4 -p1 -b .better-encoding-errors-handling
|
||||||
|
|
||||||
chmod 755 tests/kwset-abuse
|
chmod 755 tests/encoding-error
|
||||||
|
|
||||||
%build
|
%build
|
||||||
%global BUILD_FLAGS $RPM_OPT_FLAGS
|
%global BUILD_FLAGS $RPM_OPT_FLAGS
|
||||||
@ -97,6 +99,11 @@ fi
|
|||||||
%{_libexecdir}/grepconf.sh
|
%{_libexecdir}/grepconf.sh
|
||||||
|
|
||||||
%changelog
|
%changelog
|
||||||
|
* Tue Jan 5 2016 Jaroslav Škarvada <jskarvad@redhat.com> - 2.22-4
|
||||||
|
- Improved encoding errors handling (by better-encoding-errors-handling patch)
|
||||||
|
Resolves: rhbz#1219141
|
||||||
|
- kwset-abuse test no longer needs to be explicitly set executable
|
||||||
|
|
||||||
* Tue Dec 1 2015 Jaroslav Škarvada <jskarvad@redhat.com> - 2.22-3
|
* Tue Dec 1 2015 Jaroslav Škarvada <jskarvad@redhat.com> - 2.22-3
|
||||||
- Fixed grep to be consistent in 'grep -Pc' and 'grep -P | wc -l'
|
- Fixed grep to be consistent in 'grep -Pc' and 'grep -P | wc -l'
|
||||||
Resolves: rhbz#1269014
|
Resolves: rhbz#1269014
|
||||||
|
Loading…
Reference in New Issue
Block a user