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-rw-r--r--posix/fnmatch_loop.c228
1 files changed, 87 insertions, 141 deletions
diff --git a/posix/fnmatch_loop.c b/posix/fnmatch_loop.c
index f888c66dfb..fa39b21395 100644
--- a/posix/fnmatch_loop.c
+++ b/posix/fnmatch_loop.c
@@ -494,26 +494,12 @@ FCT (const CHAR *pattern, const CHAR *string, const CHAR *string_end,
{
int32_t table_size;
const int32_t *symb_table;
-# if WIDE_CHAR_VERSION
- char str[c1];
- unsigned int strcnt;
-# else
-# define str (startp + 1)
-# endif
const unsigned char *extra;
int32_t idx;
int32_t elem;
- int32_t second;
- int32_t hash;
-
# if WIDE_CHAR_VERSION
- /* We have to convert the name to a single-byte
- string. This is possible since the names
- consist of ASCII characters and the internal
- representation is UCS4. */
- for (strcnt = 0; strcnt < c1; ++strcnt)
- str[strcnt] = startp[1 + strcnt];
-#endif
+ CHAR *wextra;
+# endif
table_size =
_NL_CURRENT_WORD (LC_COLLATE,
@@ -525,71 +511,54 @@ FCT (const CHAR *pattern, const CHAR *string, const CHAR *string_end,
_NL_CURRENT (LC_COLLATE,
_NL_COLLATE_SYMB_EXTRAMB);
- /* Locate the character in the hashing table. */
- hash = elem_hash (str, c1);
-
- idx = 0;
- elem = hash % table_size;
- if (symb_table[2 * elem] != 0)
- {
- second = hash % (table_size - 2) + 1;
-
- do
- {
- /* First compare the hashing value. */
- if (symb_table[2 * elem] == hash
- && (c1
- == extra[symb_table[2 * elem + 1]])
- && memcmp (str,
- &extra[symb_table[2 * elem
- + 1]
- + 1], c1) == 0)
- {
- /* Yep, this is the entry. */
- idx = symb_table[2 * elem + 1];
- idx += 1 + extra[idx];
- break;
- }
-
- /* Next entry. */
- elem += second;
- }
- while (symb_table[2 * elem] != 0);
- }
+ for (elem = 0; elem < table_size; elem++)
+ if (symb_table[2 * elem] != 0)
+ {
+ idx = symb_table[2 * elem + 1];
+ /* Skip the name of collating element. */
+ idx += 1 + extra[idx];
+# if WIDE_CHAR_VERSION
+ /* Skip the byte sequence of the
+ collating element. */
+ idx += 1 + extra[idx];
+ /* Adjust for the alignment. */
+ idx = (idx + 3) & ~3;
+
+ wextra = (CHAR *) &extra[idx + 4];
+
+ if (/* Compare the length of the sequence. */
+ c1 == wextra[0]
+ /* Compare the wide char sequence. */
+ && WMEMCMP (startp + 1, &wextra[1],
+ c1) == 0)
+ /* Yep, this is the entry. */
+ break;
+# else
+ if (/* Compare the length of the sequence. */
+ c1 == extra[idx]
+ /* Compare the byte sequence. */
+ && memcmp (startp + 1,
+ &extra[idx + 1], c1) == 0)
+ /* Yep, this is the entry. */
+ break;
+# endif
+ }
- if (symb_table[2 * elem] != 0)
+ if (elem < table_size)
{
/* Compare the byte sequence but only if
this is not part of a range. */
-# if WIDE_CHAR_VERSION
- int32_t *wextra;
+ if (! is_range
- idx += 1 + extra[idx];
- /* Adjust for the alignment. */
- idx = (idx + 3) & ~3;
-
- wextra = (int32_t *) &extra[idx + 4];
-# endif
-
- if (! is_range)
- {
# if WIDE_CHAR_VERSION
- for (c1 = 0;
- (int32_t) c1 < wextra[idx];
- ++c1)
- if (n[c1] != wextra[1 + c1])
- break;
-
- if ((int32_t) c1 == wextra[idx])
- goto matched;
+ && WMEMCMP (n, &wextra[1], c1) == 0
# else
- for (c1 = 0; c1 < extra[idx]; ++c1)
- if (n[c1] != extra[1 + c1])
- break;
-
- if (c1 == extra[idx])
- goto matched;
+ && memcmp (n, &extra[idx + 1], c1) == 0
# endif
+ )
+ {
+ n += c1 - 1;
+ goto matched;
}
/* Get the collation sequence value. */
@@ -597,9 +566,9 @@ FCT (const CHAR *pattern, const CHAR *string, const CHAR *string_end,
# if WIDE_CHAR_VERSION
cold = wextra[1 + wextra[idx]];
# else
- /* Adjust for the alignment. */
idx += 1 + extra[idx];
- idx = (idx + 3) & ~4;
+ /* Adjust for the alignment. */
+ idx = (idx + 3) & ~3;
cold = *((int32_t *) &extra[idx]);
# endif
@@ -609,10 +578,10 @@ FCT (const CHAR *pattern, const CHAR *string, const CHAR *string_end,
{
/* No valid character. Match it as a
single byte. */
- if (!is_range && *n == str[0])
+ if (!is_range && *n == startp[1])
goto matched;
- cold = str[0];
+ cold = startp[1];
c = *p++;
}
else
@@ -620,7 +589,6 @@ FCT (const CHAR *pattern, const CHAR *string, const CHAR *string_end,
}
}
else
-# undef str
#endif
{
c = FOLD (c);
@@ -712,25 +680,11 @@ FCT (const CHAR *pattern, const CHAR *string, const CHAR *string_end,
{
int32_t table_size;
const int32_t *symb_table;
-# if WIDE_CHAR_VERSION
- char str[c1];
- unsigned int strcnt;
-# else
-# define str (startp + 1)
-# endif
const unsigned char *extra;
int32_t idx;
int32_t elem;
- int32_t second;
- int32_t hash;
-
# if WIDE_CHAR_VERSION
- /* We have to convert the name to a single-byte
- string. This is possible since the names
- consist of ASCII characters and the internal
- representation is UCS4. */
- for (strcnt = 0; strcnt < c1; ++strcnt)
- str[strcnt] = startp[1 + strcnt];
+ CHAR *wextra;
# endif
table_size =
@@ -743,71 +697,63 @@ FCT (const CHAR *pattern, const CHAR *string, const CHAR *string_end,
_NL_CURRENT (LC_COLLATE,
_NL_COLLATE_SYMB_EXTRAMB);
- /* Locate the character in the hashing
- table. */
- hash = elem_hash (str, c1);
-
- idx = 0;
- elem = hash % table_size;
- if (symb_table[2 * elem] != 0)
- {
- second = hash % (table_size - 2) + 1;
-
- do
- {
- /* First compare the hashing value. */
- if (symb_table[2 * elem] == hash
- && (c1
- == extra[symb_table[2 * elem + 1]])
- && memcmp (str,
- &extra[symb_table[2 * elem + 1]
- + 1], c1) == 0)
- {
- /* Yep, this is the entry. */
- idx = symb_table[2 * elem + 1];
- idx += 1 + extra[idx];
- break;
- }
-
- /* Next entry. */
- elem += second;
- }
- while (symb_table[2 * elem] != 0);
- }
-
- if (symb_table[2 * elem] != 0)
- {
- /* Compare the byte sequence but only if
- this is not part of a range. */
+ for (elem = 0; elem < table_size; elem++)
+ if (symb_table[2 * elem] != 0)
+ {
+ idx = symb_table[2 * elem + 1];
+ /* Skip the name of collating
+ element. */
+ idx += 1 + extra[idx];
# if WIDE_CHAR_VERSION
- int32_t *wextra;
-
- idx += 1 + extra[idx];
- /* Adjust for the alignment. */
- idx = (idx + 3) & ~4;
-
- wextra = (int32_t *) &extra[idx + 4];
+ /* Skip the byte sequence of the
+ collating element. */
+ idx += 1 + extra[idx];
+ /* Adjust for the alignment. */
+ idx = (idx + 3) & ~3;
+
+ wextra = (CHAR *) &extra[idx + 4];
+
+ if (/* Compare the length of the
+ sequence. */
+ c1 == wextra[0]
+ /* Compare the wide char sequence. */
+ && WMEMCMP (startp + 1, &wextra[1],
+ c1) == 0)
+ /* Yep, this is the entry. */
+ break;
+# else
+ if (/* Compare the length of the
+ sequence. */
+ c1 == extra[idx]
+ /* Compare the byte sequence. */
+ && memcmp (startp + 1,
+ &extra[idx + 1], c1) == 0)
+ /* Yep, this is the entry. */
+ break;
# endif
+ }
+
+ if (elem < table_size)
+ {
/* Get the collation sequence value. */
is_seqval = 1;
# if WIDE_CHAR_VERSION
cend = wextra[1 + wextra[idx]];
# else
- /* Adjust for the alignment. */
idx += 1 + extra[idx];
- idx = (idx + 3) & ~4;
+ /* Adjust for the alignment. */
+ idx = (idx + 3) & ~3;
cend = *((int32_t *) &extra[idx]);
# endif
}
- else if (symb_table[2 * elem] != 0 && c1 == 1)
+ else if (c1 == 1)
{
- cend = str[0];
+ cend = startp[1];
c = *p++;
}
else
return FNM_NOMATCH;
}
-# undef str
}
else
{
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 16:15:11 +0000