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-rw-r--r--ChangeLog8
-rw-r--r--string/stratcliff.c144
-rw-r--r--sysdeps/x86_64/strcmp.S32
-rw-r--r--wcsmbs/wcsatcliff.c2
4 files changed, 133 insertions, 53 deletions
diff --git a/ChangeLog b/ChangeLog
index a49e12a0eb..c0c1600af9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2010-10-03 Ulrich Drepper <drepper@gmail.com>
+
+ [BZ #12077]
+ * sysdeps/x86_64/strcmp.S: Fix handling of remaining bytes in buffer
+ for strncmp and strncasecmp.
+ * string/stratcliff.c: Add tests for strcmp and strncmp.
+ * wcsmbs/wcsatcliff.c: Adjust for stratcliff change.
+
2010-09-28 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
* sysdeps/sh/sh4/fpu/fpu_control.h: Add 'extern "C"' protection to
diff --git a/string/stratcliff.c b/string/stratcliff.c
index 2bb59820f9..5165be2d13 100644
--- a/string/stratcliff.c
+++ b/string/stratcliff.c
@@ -1,5 +1,6 @@
/* Test for string function add boundaries of usable memory.
- Copyright (C) 1996,1997,1999-2003,2007, 2009 Free Software Foundation, Inc.
+ Copyright (C) 1996,1997,1999-2003,2007,2009,2010
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@@ -47,6 +48,8 @@
# define MEMCPY memcpy
# define MEMPCPY mempcpy
# define MEMCHR memchr
+# define STRCMP strcmp
+# define STRNCMP strncmp
#endif
@@ -70,12 +73,12 @@ do_test (void)
if (adr == MAP_FAILED || dest == MAP_FAILED)
{
if (errno == ENOSYS)
- puts ("No test, mmap not available.");
+ puts ("No test, mmap not available.");
else
- {
- printf ("mmap failed: %m");
- result = 1;
- }
+ {
+ printf ("mmap failed: %m");
+ result = 1;
+ }
}
else
{
@@ -93,8 +96,8 @@ do_test (void)
/* strlen/wcslen test */
for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer)
- {
- for (inner = MAX (outer, nchars - 64); inner < nchars; ++inner)
+ {
+ for (inner = MAX (outer, nchars - 64); inner < nchars; ++inner)
{
adr[inner] = L('\0');
@@ -107,12 +110,12 @@ do_test (void)
adr[inner] = L('T');
}
- }
+ }
/* strnlen/wcsnlen test */
for (outer = nchars; outer >= MAX (0, nchars - 128); --outer)
- {
- for (inner = MAX (outer, nchars - 64); inner < nchars; ++inner)
+ {
+ for (inner = MAX (outer, nchars - 64); inner < nchars; ++inner)
{
adr[inner] = L('\0');
@@ -126,9 +129,9 @@ do_test (void)
adr[inner] = L('T');
}
- }
+ }
for (outer = nchars; outer >= MAX (0, nchars - 128); --outer)
- {
+ {
for (inner = MAX (outer, nchars - 64); inner <= nchars; ++inner)
{
if (STRNLEN (&adr[outer], inner - outer)
@@ -139,11 +142,11 @@ do_test (void)
result = 1;
}
}
- }
+ }
/* strchr/wcschr test */
for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer)
- {
+ {
for (middle = MAX (outer, nchars - 64); middle < nchars; ++middle)
{
for (inner = middle; inner < nchars; ++inner)
@@ -167,7 +170,7 @@ do_test (void)
adr[middle] = L('T');
}
}
- }
+ }
/* Special test. */
adr[nchars - 1] = L('\0');
@@ -180,7 +183,7 @@ do_test (void)
/* strrchr/wcsrchr test */
for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer)
- {
+ {
for (middle = MAX (outer, nchars - 64); middle < nchars; ++middle)
{
for (inner = middle; inner < nchars; ++inner)
@@ -204,11 +207,11 @@ do_test (void)
adr[middle] = L('T');
}
}
- }
+ }
/* memchr test */
for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer)
- {
+ {
for (middle = MAX (outer, nchars - 64); middle < nchars; ++middle)
{
adr[middle] = L('V');
@@ -224,9 +227,9 @@ do_test (void)
adr[middle] = L('T');
}
- }
+ }
for (outer = nchars; outer >= MAX (0, nchars - 128); --outer)
- {
+ {
CHAR *cp = MEMCHR (&adr[outer], L('V'), nchars - outer);
if (cp != NULL)
@@ -235,13 +238,13 @@ do_test (void)
STRINGIFY (MEMCHR), outer);
result = 1;
}
- }
+ }
/* This function only exists for single-byte characters. */
#ifndef WCSTEST
/* rawmemchr test */
for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer)
- {
+ {
for (middle = MAX (outer, nchars - 64); middle < nchars; ++middle)
{
adr[middle] = L('V');
@@ -257,13 +260,13 @@ do_test (void)
adr[middle] = L('T');
}
- }
+ }
#endif
/* strcpy/wcscpy test */
for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer)
- {
- for (inner = MAX (outer, nchars - 64); inner < nchars; ++inner)
+ {
+ for (inner = MAX (outer, nchars - 64); inner < nchars; ++inner)
{
adr[inner] = L('\0');
@@ -277,7 +280,74 @@ do_test (void)
adr[inner] = L('T');
}
- }
+ }
+
+ /* strcmp/wcscmp tests */
+ for (outer = 1; outer < 32; ++outer)
+ for (middle = 0; middle < 16; ++middle)
+ {
+ MEMSET (adr + middle, L('T'), 256);
+ adr[256] = L('\0');
+ MEMSET (dest + nchars - outer, L('T'), outer - 1);
+ dest[nchars - 1] = L('\0');
+
+ if (STRCMP (adr + middle, dest + nchars - outer) <= 0)
+ {
+ printf ("%s 1 flunked for outer = %d, middle = %d\n",
+ STRINGIFY (STRCMP), outer, middle);
+ result = 1;
+ }
+
+ if (STRCMP (dest + nchars - outer, adr + middle) >= 0)
+ {
+ printf ("%s 2 flunked for outer = %d, middle = %d\n",
+ STRINGIFY (STRCMP), outer, middle);
+ result = 1;
+ }
+ }
+
+ /* strncmp/wcsncmp tests */
+ for (outer = 1; outer < 32; ++outer)
+ for (middle = 0; middle < 16; ++middle)
+ {
+ MEMSET (adr + middle, L('T'), 256);
+ adr[256] = L('\0');
+ MEMSET (dest + nchars - outer, L('T'), outer - 1);
+ dest[nchars - 1] = L('U');
+
+ for (inner = 0; inner < outer; ++inner)
+ {
+ if (STRNCMP (adr + middle, dest + nchars - outer, inner) != 0)
+ {
+ printf ("%s 1 flunked for outer = %d, middle = %d, "
+ "inner = %d\n",
+ STRINGIFY (STRNCMP), outer, middle, inner);
+ result = 1;
+ }
+
+ if (STRNCMP (dest + nchars - outer, adr + middle, inner) != 0)
+ {
+ printf ("%s 2 flunked for outer = %d, middle = %d, "
+ "inner = %d\n",
+ STRINGIFY (STRNCMP), outer, middle, inner);
+ result = 1;
+ }
+ }
+
+ if (STRNCMP (adr + middle, dest + nchars - outer, outer) >= 0)
+ {
+ printf ("%s 1 flunked for outer = %d, middle = %d, full\n",
+ STRINGIFY (STRNCMP), outer, middle);
+ result = 1;
+ }
+
+ if (STRNCMP (dest + nchars - outer, adr + middle, outer) <= 0)
+ {
+ printf ("%s 2 flunked for outer = %d, middle = %d, full\n",
+ STRINGIFY (STRNCMP), outer, middle);
+ result = 1;
+ }
+ }
/* strncpy/wcsncpy tests */
adr[nchars - 1] = L('T');
@@ -295,12 +365,12 @@ do_test (void)
result = 1;
}
}
- }
+ }
adr[nchars - 1] = L('\0');
for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer)
- {
- for (inner = MAX (outer, nchars - 64); inner < nchars; ++inner)
+ {
+ for (inner = MAX (outer, nchars - 64); inner < nchars; ++inner)
{
size_t len;
@@ -334,12 +404,12 @@ do_test (void)
adr[inner] = L('T');
}
- }
+ }
/* stpcpy/wcpcpy test */
for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer)
- {
- for (inner = MAX (outer, nchars - 64); inner < nchars; ++inner)
+ {
+ for (inner = MAX (outer, nchars - 64); inner < nchars; ++inner)
{
adr[inner] = L('\0');
@@ -352,7 +422,7 @@ do_test (void)
adr[inner] = L('T');
}
- }
+ }
/* stpncpy/wcpncpy test */
adr[nchars - 1] = L('T');
@@ -374,8 +444,8 @@ do_test (void)
adr[nchars - 1] = L('\0');
for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer)
- {
- for (middle = MAX (outer, nchars - 64); middle < nchars; ++middle)
+ {
+ for (middle = MAX (outer, nchars - 64); middle < nchars; ++middle)
{
adr[middle] = L('\0');
@@ -393,7 +463,7 @@ do_test (void)
adr[middle] = L('T');
}
- }
+ }
/* memcpy/wmemcpy test */
for (outer = nchars; outer >= MAX (0, nchars - 128); --outer)
diff --git a/sysdeps/x86_64/strcmp.S b/sysdeps/x86_64/strcmp.S
index 2c77265e5b..165073e907 100644
--- a/sysdeps/x86_64/strcmp.S
+++ b/sysdeps/x86_64/strcmp.S
@@ -458,7 +458,7 @@ LABEL(nibble_ashr_1):
jnz LABEL(ashr_1_exittail) /* find null char*/
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
- cmp $14, %r11
+ cmp $15, %r11
jbe LABEL(ashr_1_exittail)
# endif
@@ -586,7 +586,7 @@ LABEL(nibble_ashr_2):
jnz LABEL(ashr_2_exittail)
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
- cmp $13, %r11
+ cmp $14, %r11
jbe LABEL(ashr_2_exittail)
# endif
@@ -711,7 +711,7 @@ LABEL(nibble_ashr_3):
jnz LABEL(ashr_3_exittail)
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
- cmp $12, %r11
+ cmp $13, %r11
jbe LABEL(ashr_3_exittail)
# endif
@@ -836,7 +836,7 @@ LABEL(nibble_ashr_4):
jnz LABEL(ashr_4_exittail)
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
- cmp $11, %r11
+ cmp $12, %r11
jbe LABEL(ashr_4_exittail)
# endif
@@ -961,7 +961,7 @@ LABEL(nibble_ashr_5):
jnz LABEL(ashr_5_exittail)
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
- cmp $10, %r11
+ cmp $11, %r11
jbe LABEL(ashr_5_exittail)
# endif
@@ -1086,7 +1086,7 @@ LABEL(nibble_ashr_6):
jnz LABEL(ashr_6_exittail)
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
- cmp $9, %r11
+ cmp $10, %r11
jbe LABEL(ashr_6_exittail)
# endif
@@ -1211,7 +1211,7 @@ LABEL(nibble_ashr_7):
jnz LABEL(ashr_7_exittail)
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
- cmp $8, %r11
+ cmp $9, %r11
jbe LABEL(ashr_7_exittail)
# endif
@@ -1336,7 +1336,7 @@ LABEL(nibble_ashr_8):
jnz LABEL(ashr_8_exittail)
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
- cmp $7, %r11
+ cmp $8, %r11
jbe LABEL(ashr_8_exittail)
# endif
@@ -1461,7 +1461,7 @@ LABEL(nibble_ashr_9):
jnz LABEL(ashr_9_exittail)
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
- cmp $6, %r11
+ cmp $7, %r11
jbe LABEL(ashr_9_exittail)
# endif
@@ -1586,7 +1586,7 @@ LABEL(nibble_ashr_10):
jnz LABEL(ashr_10_exittail)
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
- cmp $5, %r11
+ cmp $6, %r11
jbe LABEL(ashr_10_exittail)
# endif
@@ -1711,7 +1711,7 @@ LABEL(nibble_ashr_11):
jnz LABEL(ashr_11_exittail)
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
- cmp $4, %r11
+ cmp $5, %r11
jbe LABEL(ashr_11_exittail)
# endif
@@ -1836,7 +1836,7 @@ LABEL(nibble_ashr_12):
jnz LABEL(ashr_12_exittail)
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
- cmp $3, %r11
+ cmp $4, %r11
jbe LABEL(ashr_12_exittail)
# endif
@@ -1961,7 +1961,7 @@ LABEL(nibble_ashr_13):
jnz LABEL(ashr_13_exittail)
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
- cmp $2, %r11
+ cmp $3, %r11
jbe LABEL(ashr_13_exittail)
# endif
@@ -2086,7 +2086,7 @@ LABEL(nibble_ashr_14):
jnz LABEL(ashr_14_exittail)
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
- cmp $1, %r11
+ cmp $2, %r11
jbe LABEL(ashr_14_exittail)
# endif
@@ -2213,8 +2213,8 @@ LABEL(nibble_ashr_15):
jnz LABEL(ashr_15_exittail)
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
- test %r11, %r11
- je LABEL(ashr_15_exittail)
+ cmpq $1, %r11
+ jbe LABEL(ashr_15_exittail)
# endif
pxor %xmm0, %xmm0
diff --git a/wcsmbs/wcsatcliff.c b/wcsmbs/wcsatcliff.c
index b29571f294..95afff6098 100644
--- a/wcsmbs/wcsatcliff.c
+++ b/wcsmbs/wcsatcliff.c
@@ -16,6 +16,8 @@
#define MEMCPY wmemcpy
#define MEMPCPY wmempcpy
#define MEMCHR wmemchr
+#define STRCMP wcscmp
+#define STRNCMP wcsncmp
#include "../string/stratcliff.c"
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 17:32:23 +0000