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20 Commits

Author SHA1 Message Date
Sunil K Pandey
642213e043 Improve test coverage of strnlen function 
This patch covers the following condition:

Strings start with different alignments and end with length less than or
equal to 512 byte.

Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
 2021-06-03 11:16:51 -07:00
H.J. Lu
cb882b21b6 test-strnlen.c: Check that strnlen won't go beyond the maximum length 
Place strings ending at page boundary without the null byte.  If an
implementation goes beyond EXP_LEN, it will trigger the segfault.
 2021-03-27 11:38:11 -07:00
H.J. Lu
86859b7e58 test-strnlen.c: Initialize wchar_t string with wmemset [BZ #27655] 
Use wmemset to initialize wchar_t string.
 2021-03-27 10:54:44 -07:00
Paul Eggert
2b778ceb40 Update copyright dates with scripts/update-copyrights 
I used these shell commands:

../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright
(cd ../glibc && git commit -am"[this commit message]")

and then ignored the output, which consisted lines saying "FOO: warning:
copyright statement not found" for each of 6694 files FOO.
I then removed trailing white space from benchtests/bench-pthread-locks.c
and iconvdata/tst-iconv-big5-hkscs-to-2ucs4.c, to work around this
diagnostic from Savannah:
remote: *** pre-commit check failed ...
remote: *** error: lines with trailing whitespace found
remote: error: hook declined to update refs/heads/master
 2021-01-02 12:17:34 -08:00
Joseph Myers
d614a75396 Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
Paul Eggert
5a82c74822 Prefer https to http for gnu.org and fsf.org URLs 
Also, change sources.redhat.com to sourceware.org.
This patch was automatically generated by running the following shell
script, which uses GNU sed, and which avoids modifying files imported
from upstream:

sed -ri '
  s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g
  s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g
' \
  $(find $(git ls-files) -prune -type f \
      ! -name '*.po' \
      ! -name 'ChangeLog*' \
      ! -path COPYING ! -path COPYING.LIB \
      ! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \
      ! -path manual/texinfo.tex ! -path scripts/config.guess \
      ! -path scripts/config.sub ! -path scripts/install-sh \
      ! -path scripts/mkinstalldirs ! -path scripts/move-if-change \
      ! -path INSTALL ! -path  locale/programs/charmap-kw.h \
      ! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \
      ! '(' -name configure \
            -execdir test -f configure.ac -o -f configure.in ';' ')' \
      ! '(' -name preconfigure \
            -execdir test -f preconfigure.ac ';' ')' \
      -print)

and then by running 'make dist-prepare' to regenerate files built
from the altered files, and then executing the following to cleanup:

  chmod a+x sysdeps/unix/sysv/linux/riscv/configure
  # Omit irrelevant whitespace and comment-only changes,
  # perhaps from a slightly-different Autoconf version.
  git checkout -f \
    sysdeps/csky/configure \
    sysdeps/hppa/configure \
    sysdeps/riscv/configure \
    sysdeps/unix/sysv/linux/csky/configure
  # Omit changes that caused a pre-commit check to fail like this:
  # remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines
  git checkout -f \
    sysdeps/powerpc/powerpc64/ppc-mcount.S \
    sysdeps/unix/sysv/linux/s390/s390-64/syscall.S
  # Omit change that caused a pre-commit check to fail like this:
  # remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline
  git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
 2019-09-07 02:43:31 -07:00
Joseph Myers
04277e02d7 Update copyright dates with scripts/update-copyrights. 
* All files with FSF copyright notices: Update copyright dates
	using scripts/update-copyrights.
	* locale/programs/charmap-kw.h: Regenerated.
	* locale/programs/locfile-kw.h: Likewise.
 2019-01-01 00:11:28 +00:00
Joseph Myers
688903eb3e Update copyright dates with scripts/update-copyrights. 
* All files with FSF copyright notices: Update copyright dates
	using scripts/update-copyrights.
	* locale/programs/charmap-kw.h: Regenerated.
	* locale/programs/locfile-kw.h: Likewise.
 2018-01-01 00:32:25 +00:00
Wainer dos Santos Moschetta
ff65c87443 Add page tests to string/test-strnlen. 
May be tricky for otimized implementations to handle strings around
page boundary once, for instance, it is performed unaligned loads or
when maxlen is used as a hint for vectorized loops. The test cases
should unveil regression bugs on these cases.

To some extend do_random_tests in string/test-strnlen tests strings
placed at page end but it does not cover all cases. So this change
adds tests which consists of placing strings of varying sizes ending
at the page boundary. It also combines with different values of maxlen.

Tested on ppc64le and x86_64.

	* string/test-strnlen.c (do_page_tests): New function
	to check length of strings ending at the page boundary.
	(test_main): Added call to the do_page_tests function.
 2017-04-05 10:28:41 -03:00
Wainer dos Santos Moschetta
fb82116f24 Update string tests to use the support test driver. 
Replaced all imports of test-skeleton.c with support/test-driver.c.

In some cases it was needed to adjust do_test to return int
instead of static int since that is the method's signature expected by
test-driver.c.

Checked on x86_64.

	* string/test-string.h (TEST_FUNCTION): Use test_main instead of
	test_main ().
	(CMDLINE_PROCESS): Use function instead of defined macro.
	* debug/test-strcpy_chk.c: Import support/test-driver.c and also
	<suppport/support.h> to use set_fortify_handler().
	* string/bug-envz1.c: Import support/test-driver.c instead of
	test-skeleton.c.
	* string/bug-strcoll2.c: Likewise.
	* string/bug-strtok1.c: Likewise.
	* string/stratcliff.c: Likewise.
	* string/test-ffs.c: Likewise.
	* string/test-memccpy.c: Likewise.
	* string/test-memchr.c: Likewise.
	* string/test-memcmp.c: Likewise.
	* string/test-memcpy.c: Likewise.
	* string/test-memmem.c: Likewise.
	* string/test-memmove.c: Likewise.
	* string/test-memrchr.c: Likewise.
	* string/test-memset.c: Likewise.
	* string/test-rawmemchr.c: Likewise.
	* string/test-strcasecmp.c: Likewise.
	* string/test-strcasestr.c: Likewise.
	* string/test-strcat.c: Likewise.
	* string/test-strchr.c: Likewise.
	* string/test-strcmp.c: Likewise.
	* string/test-strcpy.c: Likewise.
	* string/test-string.h: Likewise.
	* string/test-strlen.c: Likewise.
	* string/test-strncasecmp.c: Likewise.
	* string/test-strncat.c: Likewise.
	* string/test-strncmp.c: Likewise.
	* string/test-strncpy.c: Likewise.
	* string/test-strnlen.c: Likewise.
	* string/test-strpbrk.c: Likewise.
	* string/test-strrchr.c: Likewise.
	* string/test-strspn.c: Likewise.
	* string/test-strstr.c: Likewise.
	* string/tst-bswap.c: Likewise.
	* string/tst-cmp.c: Likewise.
	* string/tst-endian.c: Likewise.
	* string/tst-inlcall.c: Likewise.
	* string/tst-strcoll-overflow.c: Likewise.
	* string/tst-strfry.c: Likewise.
	* string/tst-strlen.c: Likewise.
	* string/tst-strtok.c: Likewise.
	* string/tst-strtok_r.c: Likewise.
	* string/tst-strxfrm.c: Likewise.
	* string/tst-strxfrm2.c: Likewise.
	* string/tst-svc.c: Likewise.
	* string/tst-svc2.c: Likewise.
 2017-03-23 11:32:29 -03:00
Joseph Myers
bfff8b1bec Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
Joseph Myers
f7a9f785e5 Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
Stefan Liebler
fcf40ebe26 S390: Optimize strnlen and wcsnlen. 
This patch provides optimized versions of strnlen and wcsnlen with the z13
vector instructions.

ChangeLog:

	* sysdeps/s390/multiarch/strnlen-c.c: New File.
	* sysdeps/s390/multiarch/strnlen-vx.S: Likewise.
	* sysdeps/s390/multiarch/strnlen.c: Likewise.
	* sysdeps/s390/multiarch/wcsnlen-c.c: Likewise.
	* sysdeps/s390/multiarch/wcsnlen-vx.S: Likewise.
	* sysdeps/s390/multiarch/wcsnlen.c: Likewise.
	* sysdeps/s390/multiarch/Makefile (sysdep_routines): Add strnlen and
	wcsnlen functions.
	* sysdeps/s390/multiarch/ifunc-impl-list.c
	(__libc_ifunc_impl_list): Add ifunc test for strnlen, wcsnlen.
	* wcsmbs/wcsnlen.c: Use WCSNLEN if defined.
	* string/test-strnlen.c: Add wcsnlen support.
	* wcsmbs/test-wcsnlen.c: New File.
	* wcsmbs/Makefile (strop-tests): Add wcsnlen.
	* benchtests/bench-strnlen.c: Add wcsnlen support.
	* benchtests/bench-wcsnlen.c: New File.
	* benchtests/Makefile (wcsmbs-bench): Add wcsnlen.
 2015-08-26 10:26:20 +02:00
Joseph Myers
b168057aaa Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
Allan McRae
d4697bc93d Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
Siddhesh Poyarekar
fec799f823 Remove performance-related bits from string tests 2013-06-11 15:08:13 +05:30
Joseph Myers
568035b787 Update copyright notices with scripts/update-copyrights. 2013-01-02 19:05:09 +00:00
H.J. Lu
69f07e5fd1 Add string IFUNC tests 2012-10-19 22:10:16 -07:00
Paul Eggert
59ba27a63a Replace FSF snail mail address with URLs. 2012-02-09 23:18:22 +00:00
Ulrich Drepper
24fb0f88ed Add optimized x86-64 implementation of strnlen. 
While at it, beef up the test suite for strnlen and add performance
tests for it, too.
 2010-07-26 08:37:08 -07:00