Re: [LTP] [PATCH 2/6] Add mkdtemp check.

Re: [LTP] [PATCH 2/6] Add mkdtemp check.

[Wanlong Gao]

On 07/13/2012 11:51 PM, Marios Makris wrote:
> From: Cyril Hrubis <metan@ucw.cz>
> 
> Added an m4 macro checking for mkdtemp()
> 
> Signed-off-by: Cyril Hrubis <metan@ucw.cz>
> Signed-off-by: Marios Makris <marios.makris@gmail.com>

Reviewed-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>

> ---
>  configure.ac      |    1 +
>  m4/ltp-mkdtemp.m4 |    2 ++
>  2 files changed, 3 insertions(+)
>  create mode 100644 m4/ltp-mkdtemp.m4
> 
> diff --git a/configure.ac b/configure.ac
> index 1696df0..f217f50 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -145,6 +145,7 @@ fi
>  
>  # END testsuites knobs
>  
> +LTP_CHECK_MKDTEMP
>  LTP_CHECK_CAPABILITY_SUPPORT
>  LTP_CHECK_CRYPTO
>  LTP_CHECK_LINUX_PTRACE
> diff --git a/m4/ltp-mkdtemp.m4 b/m4/ltp-mkdtemp.m4
> new file mode 100644
> index 0000000..94a6d49
> --- /dev/null
> +++ b/m4/ltp-mkdtemp.m4
> @@ -0,0 +1,2 @@
> +AC_DEFUN([LTP_CHECK_MKDTEMP],[
> +AC_CHECK_FUNCS(mkdtemp,[],AC_MSG_ERROR(mkdtemp() not found!))])
> 



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Re: [LTP] [PATCH 3/6] /lib/tst_tmpdir.c removed mkstemp method

[Wanlong Gao]

On 07/13/2012 11:51 PM, Marios Makris wrote:
> Removed the mkstemp method keeping only the mkdtemp since it was added in
> glibc in 2000, therefore it should be available in every linux distro.
> 
> Signed-off-by: Marios Makris <marios.makris@gmail.com>

Reviewed-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>

> ---
>  lib/tst_tmpdir.c |   37 -------------------------------------
>  1 file changed, 37 deletions(-)
> 
> diff --git a/lib/tst_tmpdir.c b/lib/tst_tmpdir.c
> index fa7628d..b6f4d2e 100644
> --- a/lib/tst_tmpdir.c
> +++ b/lib/tst_tmpdir.c
> @@ -112,10 +112,6 @@ void tst_tmpdir(void)
>  	char template[PATH_MAX];
>  	int  no_cleanup = 0;	/* !0 means TDIRECTORY env var was set */
>  	char *env_tmpdir;	/* temporary storage for TMPDIR env var */
> -	/* This is an AWFUL hack to figure out if mkdtemp() is available */
> -#if defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 2)
> -#define HAVE_MKDTEMP
> -#endif
>  
>  	/*
>  	 * If the TDIRECTORY env variable is not set, a temp dir will be
> @@ -150,7 +146,6 @@ void tst_tmpdir(void)
>  			snprintf(template, PATH_MAX, "%s/%.3sXXXXXX",
>  				TEMPDIR, TCID);
>  
> -#ifdef HAVE_MKDTEMP
>  		/* Make the temporary directory in one shot using mkdtemp. */
>  		if (mkdtemp(template) == NULL)
>  			tst_brkm(TBROK|TERRNO, tmpdir_cleanup,
> @@ -159,38 +154,6 @@ void tst_tmpdir(void)
>  			tst_brkm(TBROK|TERRNO, tmpdir_cleanup,
>  				"%s: strdup(%s) failed", __func__, template);
>  		}
> -#else
> -		int tfd;
> -
> -		/* Make the template name, then the directory */
> -		if ((tfd = mkstemp(template)) == -1)
> -			tst_brkm(TBROK|TERRNO, tmpdir_cleanup,
> -				"%s: mkstemp(%s) failed", __func__, template);
> -		if (close(tfd) == -1) {
> -			tst_brkm(TBROK|TERRNO, tmpdir_cleanup,
> -				"%s: close() failed", __func__);
> -		}
> -		if (unlink(template) == -1) {
> -			tst_brkm(TBROK|TERRNO, tmpdir_cleanup,
> -				"%s: unlink(%s) failed", __func__, template);
> -		}
> -		if ((TESTDIR = strdup(template)) == NULL) {
> -			tst_brkm(TBROK|TERRNO, tmpdir_cleanup,
> -				"%s: strdup(%s) failed", __func__, template);
> -		}
> -		if (mkdir(TESTDIR, DIR_MODE)) {
> -			/*
> -			 * If we start failing with EEXIST, wrap this section in
> -			 * a loop so we can try again.
> -			 *
> -			 * XXX (garrcoop): why? Hacking around broken
> -			 * filesystems should not be done.
> -			 */
> -			tst_brkm(TBROK|TERRNO, tmpdir_cleanup,
> -				"%s: mkdir(%s, %#o) failed",
> -					__func__, TESTDIR, DIR_MODE);
> -		}
> -#endif
>  
>  		if (chown(TESTDIR, -1, getgid()) == -1)
>  			tst_brkm(TBROK|TERRNO, tmpdir_cleanup,
> 



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Re: [LTP] [PATCH 1/6] /lib/tst_tmpdir indentation and coding style fixes

[Wanlong Gao]

On 07/13/2012 11:51 PM, Marios Makris wrote:
> Identation and coding style fixes as well as moved the function descriptions
> to the header file (/include/test.h)
> 
> Signed-off-by: Marios Makris <marios.makris@gmail.com>
> ---
>  include/test.h   |   26 +++++++++++++++
>  lib/tst_tmpdir.c |   97 ++++++++++++++++++------------------------------------
>  2 files changed, 58 insertions(+), 65 deletions(-)
> 
> diff --git a/include/test.h b/include/test.h
> index 033fdbc..934585e 100644
> --- a/include/test.h
> +++ b/include/test.h
> @@ -201,8 +201,34 @@ extern int Tst_count;
>  void tst_sig(int fork_flag, void (*handler)(), void (*cleanup)());
>  
>  /* lib/tst_tmpdir.c */
> +
> +/* tst_tmpdir()
> + *
> + * Create a unique temporary directory and chdir() to it. It expects the caller

It's better to keep the comments lines within 73 characters.

Thanks,
Wanlong Gao

> + * to have defined/initialized the TCID/TST_TOTAL global variables.
> + * The TESTDIR global variable will be set to the directory that gets used
> + * as the testing directory.
> + *
> + * NOTE: This function must be called BEFORE any activity that would require
> + * CLEANUP.  If tst_tmpdir() fails, it cleans up afer itself and calls
> + * tst_exit() (i.e. does not return).
> + */
>  void tst_tmpdir(void);
> +/* tst_rmdir()
> + *
> + * Recursively remove the temporary directory created by tst_tmpdir().
> + * This function is intended ONLY as a companion to tst_tmpdir().
> + * If the TDIRECTORY environment variable is set, no cleanup will be
> + * attempted.
> + */
>  void tst_rmdir(void);
> +/* get_tst_tmpdir()
> + *
> + * Return a copy of the test temp directory as seen by LTP. This is for
> + * path-oriented tests like chroot, etc, that may munge the path a bit.
> + *
> + * FREE VARIABLE AFTER USE IF IT IS REUSED!
> + */
>  char *get_tst_tmpdir(void);
>  
>  /* lib/get_high_address.c */
> diff --git a/lib/tst_tmpdir.c b/lib/tst_tmpdir.c
> index d112e3e..fa7628d 100644
> --- a/lib/tst_tmpdir.c
> +++ b/lib/tst_tmpdir.c
> @@ -1,4 +1,4 @@
> -/*
> +/**********************************************************
>   * Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
>   *
>   * This program is free software; you can redistribute it and/or modify it
> @@ -28,9 +28,7 @@
>   * For further information regarding this notice, see:
>   *
>   * http://oss.sgi.com/projects/GenInfo/NoticeExplan/
> - */
> -
> -/* $Id: tst_tmpdir.c,v 1.14 2009/07/20 10:59:32 vapier Exp $ */
> + *********************************************************/
>  
>  /**********************************************************
>   *
> @@ -62,7 +60,8 @@
>   *	 RETURN VALUE
>   *		Neither tst_tmpdir() or tst_rmdir() has a return value.
>   *
> - *#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#**/
> + *********************************************************/
> +
>  #include <sys/types.h>
>  #include <sys/stat.h>
>  #include <assert.h>
> @@ -72,6 +71,7 @@
>  #include <stdlib.h>
>  #include <string.h>
>  #include <unistd.h>
> +
>  #include "test.h"
>  #include "rmobj.h"
>  
> @@ -99,14 +99,7 @@ static void tmpdir_cleanup(void);
>  extern char *TCID;		/* defined/initialized in main() */
>  static char *TESTDIR = NULL;	/* the directory created */
>  
> -/*
> - * Return a copy of the test temp directory as seen by LTP. This is for
> - * path-oriented tests like chroot, etc, that may munge the path a bit.
> - *
> - * FREE VARIABLE AFTER USE IF IT IS REUSED!
> - */
> -char *
> -get_tst_tmpdir(void)
> +char *get_tst_tmpdir(void)
>  {
>  	/* Smack the user for calling things out of order. */
>  	if (TESTDIR == NULL)
> @@ -114,25 +107,13 @@ get_tst_tmpdir(void)
>  	return strdup(TESTDIR);
>  }
>  
> -/*
> - * tst_tmpdir() - Create a unique temporary directory and chdir() to it.
> - *		It expects the caller to have defined/initialized the
> - *		TCID/TST_TOTAL global variables.  The TESTDIR global
> - *		variable will be set to the directory that gets used
> - *		as the testing directory.
> - *
> - *		NOTE: This function must be called BEFORE any activity
> - *		that would require CLEANUP.  If tst_tmpdir() fails, it
> - *		cleans up afer itself and calls tst_exit() (i.e. does
> - *		not return).
> - */
>  void tst_tmpdir(void)
>  {
>  	char template[PATH_MAX];
>  	int  no_cleanup = 0;	/* !0 means TDIRECTORY env var was set */
>  	char *env_tmpdir;	/* temporary storage for TMPDIR env var */
>  	/* This is an AWFUL hack to figure out if mkdtemp() is available */
> -#if defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2,2)
> +#if defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 2)
>  #define HAVE_MKDTEMP
>  #endif
>  
> @@ -146,7 +127,7 @@ void tst_tmpdir(void)
>  		 */
>  		if (mkdir(TESTDIR, DIR_MODE) == -1 && errno != EEXIST) {
>  			tst_brkm(TBROK, NULL, "mkdir(%s, %o) failed",
> -			    TESTDIR, DIR_MODE);
> +				TESTDIR, DIR_MODE);
>  		}
>  		/*
>  		 * Try to create the directory if it does not exist already;
> @@ -162,11 +143,12 @@ void tst_tmpdir(void)
>  		 * environment variable TMPDIR if it is available, otherwise
>  		 * use our default TEMPDIR.
>  		 */
> -		if ((env_tmpdir = getenv("TMPDIR"))) {
> -			snprintf(template, PATH_MAX, "%s/%.3sXXXXXX", env_tmpdir, TCID);
> -		} else {
> -			snprintf(template, PATH_MAX, "%s/%.3sXXXXXX", TEMPDIR, TCID);
> -		}
> +		if ((env_tmpdir = getenv("TMPDIR")))
> +			snprintf(template, PATH_MAX, "%s/%.3sXXXXXX",
> +				env_tmpdir, TCID);
> +		else
> +			snprintf(template, PATH_MAX, "%s/%.3sXXXXXX",
> +				TEMPDIR, TCID);
>  
>  #ifdef HAVE_MKDTEMP
>  		/* Make the temporary directory in one shot using mkdtemp. */
> @@ -205,37 +187,37 @@ void tst_tmpdir(void)
>  			 * filesystems should not be done.
>  			 */
>  			tst_brkm(TBROK|TERRNO, tmpdir_cleanup,
> -			    "%s: mkdir(%s, %#o) failed",
> -			    __func__, TESTDIR, DIR_MODE);
> +				"%s: mkdir(%s, %#o) failed",
> +					__func__, TESTDIR, DIR_MODE);
>  		}
>  #endif
>  
>  		if (chown(TESTDIR, -1, getgid()) == -1)
>  			tst_brkm(TBROK|TERRNO, tmpdir_cleanup,
> -			    "chown(%s, -1, %d) failed", TESTDIR, getgid());
> +				"chown(%s, -1, %d) failed", TESTDIR, getgid());
>  		if (chmod(TESTDIR, DIR_MODE) == -1)
>  			tst_brkm(TBROK|TERRNO, tmpdir_cleanup,
>  				"chmod(%s, %#o) failed", TESTDIR, DIR_MODE);
> - 	}
> +	}
>  
>  #if UNIT_TEST
>  	printf("TESTDIR = %s\n", TESTDIR);
>  #endif
>  
> - 	/*
> -  	 * Change to the temporary directory.  If the chdir() fails, issue
> +	/*
> +	 * Change to the temporary directory.  If the chdir() fails, issue
>  	 * TBROK messages for all test cases, attempt to remove the
>  	 * directory (if it was created), and exit.  If the removal also
>  	 * fails, also issue a TWARN message.
>  	 */
>  	if (chdir(TESTDIR) == -1) {
>  		tst_brkm(TBROK|TERRNO, NULL, "%s: chdir(%s) failed",
> -		    __func__, TESTDIR);
> +			__func__, TESTDIR);
>  
>  		/* Try to remove the directory */
>  		if (!no_cleanup && rmdir(TESTDIR) == -1) {
>  			tst_resm(TWARN|TERRNO, "%s: rmdir(%s) failed",
> -			    __func__, TESTDIR);
> +				__func__, TESTDIR);
>  		}
>  
>  		tmpdir_cleanup();
> @@ -245,17 +227,8 @@ void tst_tmpdir(void)
>  	printf("CWD is %s\n", getcwd(NULL, PATH_MAX));
>  #endif
>  
> -}  /* tst_tmpdir() */
> -
> +}
>  
> -/*
> - *
> - * tst_rmdir() - Recursively remove the temporary directory created by
> - *			 tst_tmpdir().  This function is intended ONLY as a
> - *			 companion to tst_tmpdir().  If the TDIRECTORY
> - *			 environment variable is set, no cleanup will be
> - *			 attempted.
> - */
>  void tst_rmdir(void)
>  {
>  	struct stat buf1;
> @@ -282,31 +255,26 @@ void tst_rmdir(void)
>  	 */
>  	if (TESTDIR == NULL) {
>  		tst_resm(TWARN,
> -		    "%s: TESTDIR was NULL; no removal attempted", __func__);
> +			"%s: TESTDIR was NULL; no removal attempted", __func__);
>  		return;
>  	}
>  
>  	if ((parent_dir = malloc(PATH_MAX)) == NULL) {
>  		/* Make sure that we exit quickly and noisily. */
>  		tst_brkm(TBROK|TERRNO, NULL,
> -		    "%s: malloc(%d) failed", __func__, PATH_MAX);
> +			"%s: malloc(%d) failed", __func__, PATH_MAX);
>  	}
>  
>  	/*
>  	 * Check that the value of TESTDIR is not "*" or "/".  These could
>  	 * have disastrous effects in a test run by root.
>  	 */
> -	/* XXX: a temp directory that's '/' seems stupid and dangerous anyways. */
>  	if (stat(TESTDIR, &buf1) == 0 && stat("/", &buf2) == 0 &&
> -	    buf1.st_ino == buf2.st_ino) {
> +		buf1.st_ino == buf2.st_ino) {
>  		tst_resm(TWARN, "%s: will not remove /", __func__);
>  		return;
>  	}
>  
> -	/*
> -	 * XXX: this just reeks of bad programming; all shell characters should
> -	 * be escaped in invocations of rm(1)/rmdir(1).
> -	 */
>  	if (strchr(TESTDIR, '*') != NULL) {
>  		tst_resm(TWARN, "%s: will not remove *", __func__);
>  		return;
> @@ -324,6 +292,7 @@ void tst_rmdir(void)
>  	} else {
>  		strcpy(parent_dir, TESTDIR);
>  	}
> +
>  	if ((parent_dir = dirname(parent_dir)) == NULL) {
>  		tst_resm(TWARN|TERRNO, "%s: dirname failed", __func__);
>  		return;
> @@ -334,9 +303,8 @@ void tst_rmdir(void)
>  	 */
>  	if (chdir(parent_dir) != 0) {
>  		tst_resm(TWARN|TERRNO,
> -			 "%s: chdir(%s) failed\nAttempting to remove temp dir "
> -			 "anyway",
> -			 __func__, parent_dir);
> +			"%s: chdir(%s) failed\nAttempting to remove temp dir "
> +				"anyway", __func__, parent_dir);
>  	}
>  
>  	/*
> @@ -344,9 +312,9 @@ void tst_rmdir(void)
>  	 */
>  	if (rmobj(TESTDIR, &errmsg) == -1)
>  		tst_resm(TWARN, "%s: rmobj(%s) failed: %s",
> -			 __func__, TESTDIR, errmsg);
> +			__func__, TESTDIR, errmsg);
>  
> -}  /* tst_rmdir() */
> +}
>  
>  
>  /*
> @@ -355,8 +323,7 @@ void tst_rmdir(void)
>   *			  It prints a warning message via tst_resm(), and
>   *			  then calls tst_exit().
>   */
> -static void
> -tmpdir_cleanup(void)
> +static void tmpdir_cleanup(void)
>  {
>  	tst_brkm(TWARN, NULL,
>  	    "%s: no user cleanup function called before exiting", __func__);
> 



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Re: [LTP] [PATCH 1/6] /lib/tst_tmpdir indentation and coding style fixes

[marios.makris]

On 18 July 2012 11:20, Wanlong Gao <gaowanlong@cn.fujitsu.com> wrote:
> On 07/13/2012 11:51 PM, Marios Makris wrote:
>> Identation and coding style fixes as well as moved the function descriptions
>> to the header file (/include/test.h)
>>
>> Signed-off-by: Marios Makris <marios.makris@gmail.com>
>> ---
>>  include/test.h   |   26 +++++++++++++++
>>  lib/tst_tmpdir.c |   97 ++++++++++++++++++------------------------------------
>>  2 files changed, 58 insertions(+), 65 deletions(-)
>>
>> diff --git a/include/test.h b/include/test.h
>> index 033fdbc..934585e 100644
>> --- a/include/test.h
>> +++ b/include/test.h
>> @@ -201,8 +201,34 @@ extern int Tst_count;
>>  void tst_sig(int fork_flag, void (*handler)(), void (*cleanup)());
>>
>>  /* lib/tst_tmpdir.c */
>> +
>> +/* tst_tmpdir()
>> + *
>> + * Create a unique temporary directory and chdir() to it. It expects the caller
>
> It's better to keep the comments lines within 73 characters.
>
> Thanks,
> Wanlong Gao
>

Well i thought that the line limit was 80 characters(columns) ?

Thanks

-- 
Marios Makris

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Re: [LTP] [PATCH 1/6] /lib/tst_tmpdir indentation and coding style fixes

[Caspar Zhang]

On 07/18/2012 09:32 PM, marios.makris wrote:
> On 18 July 2012 11:20, Wanlong Gao <gaowanlong@cn.fujitsu.com> wrote:
>> On 07/13/2012 11:51 PM, Marios Makris wrote:
>>> Identation and coding style fixes as well as moved the function descriptions
>>> to the header file (/include/test.h)
>>>
>>> Signed-off-by: Marios Makris <marios.makris@gmail.com>
>>> ---
>>>   include/test.h   |   26 +++++++++++++++
>>>   lib/tst_tmpdir.c |   97 ++++++++++++++++++------------------------------------
>>>   2 files changed, 58 insertions(+), 65 deletions(-)
>>>
>>> diff --git a/include/test.h b/include/test.h
>>> index 033fdbc..934585e 100644
>>> --- a/include/test.h
>>> +++ b/include/test.h
>>> @@ -201,8 +201,34 @@ extern int Tst_count;
>>>   void tst_sig(int fork_flag, void (*handler)(), void (*cleanup)());
>>>
>>>   /* lib/tst_tmpdir.c */
>>> +
>>> +/* tst_tmpdir()
>>> + *
>>> + * Create a unique temporary directory and chdir() to it. It expects the caller
>>
>> It's better to keep the comments lines within 73 characters.
>>
>> Thanks,
>> Wanlong Gao
>>
>
> Well i thought that the line limit was 80 characters(columns) ?
>
> Thanks
>

I think it's 80 characters. (it should be OK if checkpatch.pl doesn't 
complain...)

Caspar


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Re: [LTP] [PATCH 1/6] /lib/tst_tmpdir indentation and coding style fixes

[marios.makris]

On 18 July 2012 16:51, Caspar Zhang <caspar@casparzhang.com> wrote:
> On 07/18/2012 09:32 PM, marios.makris wrote:
>>
>> On 18 July 2012 11:20, Wanlong Gao <gaowanlong@cn.fujitsu.com> wrote:
>>>
>>> On 07/13/2012 11:51 PM, Marios Makris wrote:
>>>>
>>>> Identation and coding style fixes as well as moved the function
>>>> descriptions
>>>> to the header file (/include/test.h)
>>>>
>>>> Signed-off-by: Marios Makris <marios.makris@gmail.com>
>>>> ---
>>>>   include/test.h   |   26 +++++++++++++++
>>>>   lib/tst_tmpdir.c |   97
>>>> ++++++++++++++++++------------------------------------
>>>>   2 files changed, 58 insertions(+), 65 deletions(-)
>>>>
>>>> diff --git a/include/test.h b/include/test.h
>>>> index 033fdbc..934585e 100644
>>>> --- a/include/test.h
>>>> +++ b/include/test.h
>>>> @@ -201,8 +201,34 @@ extern int Tst_count;
>>>>   void tst_sig(int fork_flag, void (*handler)(), void (*cleanup)());
>>>>
>>>>   /* lib/tst_tmpdir.c */
>>>> +
>>>> +/* tst_tmpdir()
>>>> + *
>>>> + * Create a unique temporary directory and chdir() to it. It expects
>>>> the caller
>>>
>>>
>>> It's better to keep the comments lines within 73 characters.
>>>
>>> Thanks,
>>> Wanlong Gao
>>>
>>
>> Well i thought that the line limit was 80 characters(columns) ?
>>
>> Thanks
>>
>
> I think it's 80 characters. (it should be OK if checkpatch.pl doesn't
> complain...)
>
> Caspar
>

Well there are 2 lines slightly over 80 characters but they are completely
removed in 5th patch with the TDIRECTORY part...

I could fix them in the first patch as-well if you think it would be better
but the end result (if all patches are applied) is the same.

Thanks


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Re: [LTP] [PATCH 1/6] /lib/tst_tmpdir indentation and coding style fixes

[Caspar Zhang]

On 07/18/2012 10:42 PM, marios.makris wrote:
> On 18 July 2012 16:51, Caspar Zhang <caspar@casparzhang.com> wrote:
>> On 07/18/2012 09:32 PM, marios.makris wrote:
>>>
>>> On 18 July 2012 11:20, Wanlong Gao <gaowanlong@cn.fujitsu.com> wrote:
>>>>
>>>> On 07/13/2012 11:51 PM, Marios Makris wrote:
>>>>>
>>>>> Identation and coding style fixes as well as moved the function
>>>>> descriptions
>>>>> to the header file (/include/test.h)
>>>>>
>>>>> Signed-off-by: Marios Makris <marios.makris@gmail.com>
>>>>> ---
>>>>>    include/test.h   |   26 +++++++++++++++
>>>>>    lib/tst_tmpdir.c |   97
>>>>> ++++++++++++++++++------------------------------------
>>>>>    2 files changed, 58 insertions(+), 65 deletions(-)
>>>>>
>>>>> diff --git a/include/test.h b/include/test.h
>>>>> index 033fdbc..934585e 100644
>>>>> --- a/include/test.h
>>>>> +++ b/include/test.h
>>>>> @@ -201,8 +201,34 @@ extern int Tst_count;
>>>>>    void tst_sig(int fork_flag, void (*handler)(), void (*cleanup)());
>>>>>
>>>>>    /* lib/tst_tmpdir.c */
>>>>> +
>>>>> +/* tst_tmpdir()
>>>>> + *
>>>>> + * Create a unique temporary directory and chdir() to it. It expects
>>>>> the caller
>>>>
>>>>
>>>> It's better to keep the comments lines within 73 characters.
>>>>
>>>> Thanks,
>>>> Wanlong Gao
>>>>
>>>
>>> Well i thought that the line limit was 80 characters(columns) ?
>>>
>>> Thanks
>>>
>>
>> I think it's 80 characters. (it should be OK if checkpatch.pl doesn't
>> complain...)
>>
>> Caspar
>>
>
> Well there are 2 lines slightly over 80 characters but they are completely
> removed in 5th patch with the TDIRECTORY part...
>
> I could fix them in the first patch as-well if you think it would be better
> but the end result (if all patches are applied) is the same.

either is ok for me. your choice.

Caspar

>
> Thanks
>
>



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Re: [LTP] [PATCH 4/6] /lib/tst_tmpdir.c removed / and * checks

[Wanlong Gao]

On 07/13/2012 11:51 PM, Marios Makris wrote:
> These checks are implemented in the rmobj.c file therefore there is no
> need to repeat them here since rmobj() is called for deletions.
> 
> Signed-off-by: Marios Makris <marios.makris@gmail.com>
> ---
>  lib/tst_tmpdir.c |   17 -----------------
>  1 file changed, 17 deletions(-)
> 
> diff --git a/lib/tst_tmpdir.c b/lib/tst_tmpdir.c
> index b6f4d2e..a9dd78c 100644
> --- a/lib/tst_tmpdir.c
> +++ b/lib/tst_tmpdir.c
> @@ -194,8 +194,6 @@ void tst_tmpdir(void)
>  
>  void tst_rmdir(void)
>  {
> -	struct stat buf1;
> -	struct stat buf2;
>  	char current_dir[PATH_MAX];
>  	char *errmsg;
>  	char *parent_dir;
> @@ -229,21 +227,6 @@ void tst_rmdir(void)
>  	}
>  
>  	/*
> -	 * Check that the value of TESTDIR is not "*" or "/".  These could
> -	 * have disastrous effects in a test run by root.
> -	 */
> -	if (stat(TESTDIR, &buf1) == 0 && stat("/", &buf2) == 0 &&
> -		buf1.st_ino == buf2.st_ino) {
> -		tst_resm(TWARN, "%s: will not remove /", __func__);
> -		return;
> -	}
> -
> -	if (strchr(TESTDIR, '*') != NULL) {
> -		tst_resm(TWARN, "%s: will not remove *", __func__);
> -		return;
> -	}

Seems that rmobj() doesn't check the "*" there?

Thanks,
Wanlong Gao

> -
> -	/*
>  	 * Get the directory name of TESTDIR.  If TESTDIR is a relative path,
>  	 * get full path.
>  	 */
> 



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Re: [LTP] [PATCH 4/6] /lib/tst_tmpdir.c removed / and * checks

[marios.makris]

On 18 July 2012 12:32, Wanlong Gao <gaowanlong@cn.fujitsu.com> wrote:
> On 07/13/2012 11:51 PM, Marios Makris wrote:
>> These checks are implemented in the rmobj.c file therefore there is no
>> need to repeat them here since rmobj() is called for deletions.
>>
>> Signed-off-by: Marios Makris <marios.makris@gmail.com>
>> ---
>>  lib/tst_tmpdir.c |   17 -----------------
>>  1 file changed, 17 deletions(-)
>>
>> diff --git a/lib/tst_tmpdir.c b/lib/tst_tmpdir.c
>> index b6f4d2e..a9dd78c 100644
>> --- a/lib/tst_tmpdir.c
>> +++ b/lib/tst_tmpdir.c
>> @@ -194,8 +194,6 @@ void tst_tmpdir(void)
>>
>>  void tst_rmdir(void)
>>  {
>> -     struct stat buf1;
>> -     struct stat buf2;
>>       char current_dir[PATH_MAX];
>>       char *errmsg;
>>       char *parent_dir;
>> @@ -229,21 +227,6 @@ void tst_rmdir(void)
>>       }
>>
>>       /*
>> -      * Check that the value of TESTDIR is not "*" or "/".  These could
>> -      * have disastrous effects in a test run by root.
>> -      */
>> -     if (stat(TESTDIR, &buf1) == 0 && stat("/", &buf2) == 0 &&
>> -             buf1.st_ino == buf2.st_ino) {
>> -             tst_resm(TWARN, "%s: will not remove /", __func__);
>> -             return;
>> -     }
>> -
>> -     if (strchr(TESTDIR, '*') != NULL) {
>> -             tst_resm(TWARN, "%s: will not remove *", __func__);
>> -             return;
>> -     }
>
> Seems that rmobj() doesn't check the "*" there?
>
> Thanks,
> Wanlong Gao
>

Hi and thanks for reviewing.

Well rmobj doesn't check for "*", but it uses remove and unlink and
if i am not wrong they don't do the "*" expansion?



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Re: [LTP] [PATCH 5/6] /lib/tst_tmpdir.c removed the TDIRECTORY part

[Wanlong Gao]

On 07/13/2012 11:51 PM, Marios Makris wrote:
> After recent question to the list, it seems that the TDIRECTORY PART is not
> used by anyone, therefore it is removed.

OK, we can also use "-d TMPDIR" option, so no objection with removing this.
 
> 
> Signed-off-by: Marios Makris <marios.makris@gmail.com>

Reviewed-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>

Thanks,
Wanlong Gao

> ---
>  lib/tst_tmpdir.c |   93 ++++++++++++++++--------------------------------------
>  1 file changed, 28 insertions(+), 65 deletions(-)
> 
> diff --git a/lib/tst_tmpdir.c b/lib/tst_tmpdir.c
> index a9dd78c..080e09a 100644
> --- a/lib/tst_tmpdir.c
> +++ b/lib/tst_tmpdir.c
> @@ -110,58 +110,35 @@ char *get_tst_tmpdir(void)
>  void tst_tmpdir(void)
>  {
>  	char template[PATH_MAX];
> -	int  no_cleanup = 0;	/* !0 means TDIRECTORY env var was set */
>  	char *env_tmpdir;	/* temporary storage for TMPDIR env var */
> +	char *errmsg;
>  
>  	/*
> -	 * If the TDIRECTORY env variable is not set, a temp dir will be
> -	 * created.
> +	 * Create a template for the temporary directory.  Use the
> +	 * environment variable TMPDIR if it is available, otherwise
> +	 * use our default TEMPDIR.
>  	 */
> -	if ((TESTDIR = getenv(TDIRECTORY)) != NULL) {
> -		/*
> -		 * The TDIRECTORY env. variable is set, so no temp dir is created.
> -		 */
> -		if (mkdir(TESTDIR, DIR_MODE) == -1 && errno != EEXIST) {
> -			tst_brkm(TBROK, NULL, "mkdir(%s, %o) failed",
> -				TESTDIR, DIR_MODE);
> -		}
> -		/*
> -		 * Try to create the directory if it does not exist already;
> -		 * user might forget to create one before exporting TDIRECTORY.
> -		 */
> -		no_cleanup++;
> -#if UNIT_TEST
> -		printf("TDIRECTORY env var is set\n");
> -#endif
> -	} else {
> -		/*
> -		 * Create a template for the temporary directory.  Use the
> -		 * environment variable TMPDIR if it is available, otherwise
> -		 * use our default TEMPDIR.
> -		 */
> -		if ((env_tmpdir = getenv("TMPDIR")))
> -			snprintf(template, PATH_MAX, "%s/%.3sXXXXXX",
> -				env_tmpdir, TCID);
> -		else
> -			snprintf(template, PATH_MAX, "%s/%.3sXXXXXX",
> -				TEMPDIR, TCID);
> -
> -		/* Make the temporary directory in one shot using mkdtemp. */
> -		if (mkdtemp(template) == NULL)
> -			tst_brkm(TBROK|TERRNO, tmpdir_cleanup,
> -				"%s: mkdtemp(%s) failed", __func__, template);
> -		if ((TESTDIR = strdup(template)) == NULL) {
> -			tst_brkm(TBROK|TERRNO, tmpdir_cleanup,
> -				"%s: strdup(%s) failed", __func__, template);
> -		}
> -
> -		if (chown(TESTDIR, -1, getgid()) == -1)
> -			tst_brkm(TBROK|TERRNO, tmpdir_cleanup,
> -				"chown(%s, -1, %d) failed", TESTDIR, getgid());
> -		if (chmod(TESTDIR, DIR_MODE) == -1)
> -			tst_brkm(TBROK|TERRNO, tmpdir_cleanup,
> -				"chmod(%s, %#o) failed", TESTDIR, DIR_MODE);
> -	}
> +	if ((env_tmpdir = getenv("TMPDIR")))
> +		snprintf(template, PATH_MAX, "%s/%.3sXXXXXX",
> +			env_tmpdir, TCID);
> +	else
> +		snprintf(template, PATH_MAX, "%s/%.3sXXXXXX",
> +			TEMPDIR, TCID);
> +
> +	/* Make the temporary directory in one shot using mkdtemp. */
> +	if (mkdtemp(template) == NULL)
> +		tst_brkm(TBROK|TERRNO, tmpdir_cleanup,
> +			"%s: mkdtemp(%s) failed", __func__, template);
> +	if ((TESTDIR = strdup(template)) == NULL)
> +		tst_brkm(TBROK|TERRNO, tmpdir_cleanup,
> +			"%s: strdup(%s) failed", __func__, template);
> +
> +	if (chown(TESTDIR, -1, getgid()) == -1)
> +		tst_brkm(TBROK|TERRNO, tmpdir_cleanup,
> +			"chown(%s, -1, %d) failed", TESTDIR, getgid());
> +	if (chmod(TESTDIR, DIR_MODE) == -1)
> +		tst_brkm(TBROK|TERRNO, tmpdir_cleanup,
> +			"chmod(%s, %#o) failed", TESTDIR, DIR_MODE);
>  
>  #if UNIT_TEST
>  	printf("TESTDIR = %s\n", TESTDIR);
> @@ -178,10 +155,9 @@ void tst_tmpdir(void)
>  			__func__, TESTDIR);
>  
>  		/* Try to remove the directory */
> -		if (!no_cleanup && rmdir(TESTDIR) == -1) {
> -			tst_resm(TWARN|TERRNO, "%s: rmdir(%s) failed",
> -				__func__, TESTDIR);
> -		}
> +		if (rmobj(TESTDIR, &errmsg) == -1)
> +			tst_resm(TWARN, "%s: rmobj(%s) failed: %s",
> +			__func__, TESTDIR, errmsg);
>  
>  		tmpdir_cleanup();
>  	}
> @@ -197,19 +173,6 @@ void tst_rmdir(void)
>  	char current_dir[PATH_MAX];
>  	char *errmsg;
>  	char *parent_dir;
> -	char *tdirectory;
> -
> -	/*
> -	 * If the TDIRECTORY env variable is set, this indicates that no
> -	 * temp dir was created by tst_tmpdir().  Thus no cleanup will be
> -	 * necessary.
> -	 */
> -	if ((tdirectory = getenv(TDIRECTORY)) != NULL) {
> -#if UNIT_TEST
> -		printf("\"TDIRECORY\" env variable is set; no cleanup was performed\n");
> -#endif
> -		return;
> -	}
>  
>  	/*
>  	 * Check that TESTDIR is not NULL.
> 



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Re: [LTP] [PATCH 1/6] /lib/tst_tmpdir indentation and coding style fixes

[Wanlong Gao]

On 08/10/2012 01:36 AM, Marios Makris wrote:
> Identation and coding style fixes as well as moved the function descriptions
> to the header file (/include/test.h)
> 
> Signed-off-by: Marios Makris <marios.makris@gmail.com>
> ---
>  include/test.h   |   26 +++++++++++++++
>  lib/tst_tmpdir.c |   97 ++++++++++++++++++------------------------------------
>  2 files changed, 58 insertions(+), 65 deletions(-)

Pushed whole series, thank you.

Wanlong Gao


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