diff mbox

[5/6] mkfs: move getnum within the file

Message ID 20170811123037.15962-6-jtulak@redhat.com (mailing list archive)
State Superseded
Headers show

Commit Message

Jan Tulak Aug. 11, 2017, 12:30 p.m. UTC
Move getnum, check_opt and illegal_option within the file. We have to do
this to avoid dependency issues with the following patch. There is no
other change in this patch, just cut&paste of these functions.

Signed-off-by: Jan Tulak <jtulak@redhat.com>
---
 mkfs/xfs_mkfs.c | 236 ++++++++++++++++++++++++++++----------------------------
 1 file changed, 118 insertions(+), 118 deletions(-)

Comments

Darrick J. Wong Aug. 14, 2017, 11:07 p.m. UTC | #1
On Fri, Aug 11, 2017 at 02:30:36PM +0200, Jan Tulak wrote:
> Move getnum, check_opt and illegal_option within the file. We have to do
> this to avoid dependency issues with the following patch. There is no
> other change in this patch, just cut&paste of these functions.
> 
> Signed-off-by: Jan Tulak <jtulak@redhat.com>
> ---
>  mkfs/xfs_mkfs.c | 236 ++++++++++++++++++++++++++++----------------------------
>  1 file changed, 118 insertions(+), 118 deletions(-)
> 
> diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c
> index e3f7d345..3e7ba5f0 100644
> --- a/mkfs/xfs_mkfs.c
> +++ b/mkfs/xfs_mkfs.c
> @@ -813,6 +813,124 @@ get_conf_raw_safe(const int opt, const int subopt)
>  	return str;
>  }
>  
> +static __attribute__((noreturn)) void
> +illegal_option(

How about declaring the functions at the top and leaving the definitions
where they are?

--D

> +	const char		*value,
> +	struct opt_params	*opts,
> +	int			index,
> +	const char		*reason)
> +{
> +	fprintf(stderr,
> +		_("Illegal value %s for -%c %s option. %s\n"),
> +		value, opts->name, opts->subopts[index],
> +		reason ? reason : "");
> +	usage();
> +}
> +
> +/*
> + * Check for conflicts and option respecification.
> + */
> +static void
> +check_opt(
> +	struct opt_params	*opts,
> +	int			index,
> +	bool			str_seen)
> +{
> +	struct subopt_param	*sp = &opts->subopt_params[index];
> +	int			i;
> +
> +	if (sp->index != index) {
> +		fprintf(stderr,
> +	("Developer screwed up option parsing (%d/%d)! Please report!\n"),
> +			sp->index, index);
> +		reqval(opts->name, (char **)opts->subopts, index);
> +	}
> +
> +	/*
> +	 * Check for respecification of the option. This is more complex than it
> +	 * seems because some options are parsed twice - once as a string during
> +	 * input parsing, then later the string is passed to getnum for
> +	 * conversion into a number and bounds checking. Hence the two variables
> +	 * used to track the different uses based on the @str parameter passed
> +	 * to us.
> +	 */
> +	if (!str_seen) {
> +		if (sp->seen)
> +			respec(opts->name, (char **)opts->subopts, index);
> +		sp->seen = true;
> +	} else {
> +		if (sp->str_seen)
> +			respec(opts->name, (char **)opts->subopts, index);
> +		sp->str_seen = true;
> +	}
> +
> +	/* check for conflicts with the option */
> +	for (i = 0; i < MAX_CONFLICTS; i++) {
> +		int conflict_opt = sp->conflicts[i];
> +
> +		if (conflict_opt == LAST_CONFLICT)
> +			break;
> +		if (opts->subopt_params[conflict_opt].seen ||
> +		    opts->subopt_params[conflict_opt].str_seen)
> +			conflict(opts->name, (char **)opts->subopts,
> +				 conflict_opt, index);
> +	}
> +}
> +
> +static long long
> +getnum(
> +	const char		*str,
> +	struct opt_params	*opts,
> +	int			index)
> +{
> +	struct subopt_param	*sp = &opts->subopt_params[index];
> +	long long		c;
> +
> +	check_opt(opts, index, false);
> +	set_conf_raw(opts->index, index, str);
> +	/* empty strings might just return a default value */
> +	if (!str || *str == '\0') {
> +		if (sp->flagval == SUBOPT_NEEDS_VAL)
> +			reqval(opts->name, (char **)opts->subopts, index);
> +		return sp->flagval;
> +	}
> +
> +	if (sp->minval == 0 && sp->maxval == 0) {
> +		fprintf(stderr,
> +			_("Option -%c %s has undefined minval/maxval."
> +			  "Can't verify value range. This is a bug.\n"),
> +			opts->name, opts->subopts[index]);
> +		exit(1);
> +	}
> +
> +	/*
> +	 * Some values are pure numbers, others can have suffixes that define
> +	 * the units of the number. Those get passed to cvtnum(), otherwise we
> +	 * convert it ourselves to guarantee there is no trailing garbage in the
> +	 * number.
> +	 */
> +	if (sp->convert)
> +		c = cvtnum(blocksize, sectorsize, str);
> +	else {
> +		char		*str_end;
> +
> +		c = strtoll(str, &str_end, 0);
> +		if (c == 0 && str_end == str)
> +			illegal_option(str, opts, index, NULL);
> +		if (*str_end != '\0')
> +			illegal_option(str, opts, index, NULL);
> +	}
> +
> +	/* Validity check the result. */
> +	if (c < sp->minval)
> +		illegal_option(str, opts, index, _("value is too small"));
> +	else if (c > sp->maxval)
> +		illegal_option(str, opts, index, _("value is too large"));
> +	if (sp->is_power_2 && !ispow2(c))
> +		illegal_option(str, opts, index, _("value must be a power of 2"));
> +	return c;
> +}
> +
>  /*
>   * Convert lsu to lsunit for 512 bytes blocks and check validity of the values.
>   */
> @@ -1337,124 +1455,6 @@ sb_set_features(
>  
>  }
>  
> -static __attribute__((noreturn)) void
> -illegal_option(
> -	const char		*value,
> -	struct opt_params	*opts,
> -	int			index,
> -	const char		*reason)
> -{
> -	fprintf(stderr,
> -		_("Illegal value %s for -%c %s option. %s\n"),
> -		value, opts->name, opts->subopts[index],
> -		reason ? reason : "");
> -	usage();
> -}
> -
> -/*
> - * Check for conflicts and option respecification.
> - */
> -static void
> -check_opt(
> -	struct opt_params	*opts,
> -	int			index,
> -	bool			str_seen)
> -{
> -	struct subopt_param	*sp = &opts->subopt_params[index];
> -	int			i;
> -
> -	if (sp->index != index) {
> -		fprintf(stderr,
> -	("Developer screwed up option parsing (%d/%d)! Please report!\n"),
> -			sp->index, index);
> -		reqval(opts->name, (char **)opts->subopts, index);
> -	}
> -
> -	/*
> -	 * Check for respecification of the option. This is more complex than it
> -	 * seems because some options are parsed twice - once as a string during
> -	 * input parsing, then later the string is passed to getnum for
> -	 * conversion into a number and bounds checking. Hence the two variables
> -	 * used to track the different uses based on the @str parameter passed
> -	 * to us.
> -	 */
> -	if (!str_seen) {
> -		if (sp->seen)
> -			respec(opts->name, (char **)opts->subopts, index);
> -		sp->seen = true;
> -	} else {
> -		if (sp->str_seen)
> -			respec(opts->name, (char **)opts->subopts, index);
> -		sp->str_seen = true;
> -	}
> -
> -	/* check for conflicts with the option */
> -	for (i = 0; i < MAX_CONFLICTS; i++) {
> -		int conflict_opt = sp->conflicts[i];
> -
> -		if (conflict_opt == LAST_CONFLICT)
> -			break;
> -		if (opts->subopt_params[conflict_opt].seen ||
> -		    opts->subopt_params[conflict_opt].str_seen)
> -			conflict(opts->name, (char **)opts->subopts,
> -				 conflict_opt, index);
> -	}
> -}
> -
> -static long long
> -getnum(
> -	const char		*str,
> -	struct opt_params	*opts,
> -	int			index)
> -{
> -	struct subopt_param	*sp = &opts->subopt_params[index];
> -	long long		c;
> -
> -	check_opt(opts, index, false);
> -	set_conf_raw(opts->index, index, str);
> -	/* empty strings might just return a default value */
> -	if (!str || *str == '\0') {
> -		if (sp->flagval == SUBOPT_NEEDS_VAL)
> -			reqval(opts->name, (char **)opts->subopts, index);
> -		return sp->flagval;
> -	}
> -
> -	if (sp->minval == 0 && sp->maxval == 0) {
> -		fprintf(stderr,
> -			_("Option -%c %s has undefined minval/maxval."
> -			  "Can't verify value range. This is a bug.\n"),
> -			opts->name, opts->subopts[index]);
> -		exit(1);
> -	}
> -
> -	/*
> -	 * Some values are pure numbers, others can have suffixes that define
> -	 * the units of the number. Those get passed to cvtnum(), otherwise we
> -	 * convert it ourselves to guarantee there is no trailing garbage in the
> -	 * number.
> -	 */
> -	if (sp->convert)
> -		c = cvtnum(blocksize, sectorsize, str);
> -	else {
> -		char		*str_end;
> -
> -		c = strtoll(str, &str_end, 0);
> -		if (c == 0 && str_end == str)
> -			illegal_option(str, opts, index, NULL);
> -		if (*str_end != '\0')
> -			illegal_option(str, opts, index, NULL);
> -	}
> -
> -	/* Validity check the result. */
> -	if (c < sp->minval)
> -		illegal_option(str, opts, index, _("value is too small"));
> -	else if (c > sp->maxval)
> -		illegal_option(str, opts, index, _("value is too large"));
> -	if (sp->is_power_2 && !ispow2(c))
> -		illegal_option(str, opts, index, _("value must be a power of 2"));
> -	return c;
> -}
> -
>  /*
>   * Option is a string - do all the option table work, and check there
>   * is actually an option string. Otherwise we don't do anything with the string
> -- 
> 2.13.3
> 
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Jan Tulak Aug. 15, 2017, 10:14 a.m. UTC | #2
On Tue, Aug 15, 2017 at 1:07 AM, Darrick J. Wong
<darrick.wong@oracle.com> wrote:
> On Fri, Aug 11, 2017 at 02:30:36PM +0200, Jan Tulak wrote:
>> Move getnum, check_opt and illegal_option within the file. We have to do
>> this to avoid dependency issues with the following patch. There is no
>> other change in this patch, just cut&paste of these functions.
>>
>> Signed-off-by: Jan Tulak <jtulak@redhat.com>
>> ---
>>  mkfs/xfs_mkfs.c | 236 ++++++++++++++++++++++++++++----------------------------
>>  1 file changed, 118 insertions(+), 118 deletions(-)
>>
>> diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c
>> index e3f7d345..3e7ba5f0 100644
>> --- a/mkfs/xfs_mkfs.c
>> +++ b/mkfs/xfs_mkfs.c
>> @@ -813,6 +813,124 @@ get_conf_raw_safe(const int opt, const int subopt)
>>       return str;
>>  }
>>
>> +static __attribute__((noreturn)) void
>> +illegal_option(
>
> How about declaring the functions at the top and leaving the definitions
> where they are?

If I remember, Eric thought the opposite. :-)

Jan
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Eric Sandeen Aug. 15, 2017, 9:09 p.m. UTC | #3
On 8/15/17 5:14 AM, Jan Tulak wrote:
> On Tue, Aug 15, 2017 at 1:07 AM, Darrick J. Wong
> <darrick.wong@oracle.com> wrote:
>> On Fri, Aug 11, 2017 at 02:30:36PM +0200, Jan Tulak wrote:
>>> Move getnum, check_opt and illegal_option within the file. We have to do
>>> this to avoid dependency issues with the following patch. There is no
>>> other change in this patch, just cut&paste of these functions.
>>>
>>> Signed-off-by: Jan Tulak <jtulak@redhat.com>
>>> ---
>>>  mkfs/xfs_mkfs.c | 236 ++++++++++++++++++++++++++++----------------------------
>>>  1 file changed, 118 insertions(+), 118 deletions(-)
>>>
>>> diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c
>>> index e3f7d345..3e7ba5f0 100644
>>> --- a/mkfs/xfs_mkfs.c
>>> +++ b/mkfs/xfs_mkfs.c
>>> @@ -813,6 +813,124 @@ get_conf_raw_safe(const int opt, const int subopt)
>>>       return str;
>>>  }
>>>
>>> +static __attribute__((noreturn)) void
>>> +illegal_option(
>>
>> How about declaring the functions at the top and leaving the definitions
>> where they are?
> 
> If I remember, Eric thought the opposite. :-)

I don't remember, but at this point I'm ok with whatever, this part
just isn't that important.

Thanks,
-Eric
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Jan Tulak Aug. 16, 2017, 9:25 a.m. UTC | #4
On Tue, Aug 15, 2017 at 11:09 PM, Eric Sandeen <sandeen@sandeen.net> wrote:
> On 8/15/17 5:14 AM, Jan Tulak wrote:
>> On Tue, Aug 15, 2017 at 1:07 AM, Darrick J. Wong
>> <darrick.wong@oracle.com> wrote:
>>> On Fri, Aug 11, 2017 at 02:30:36PM +0200, Jan Tulak wrote:
>>>> Move getnum, check_opt and illegal_option within the file. We have to do
>>>> this to avoid dependency issues with the following patch. There is no
>>>> other change in this patch, just cut&paste of these functions.
>>>>
>>>> Signed-off-by: Jan Tulak <jtulak@redhat.com>
>>>> ---
>>>>  mkfs/xfs_mkfs.c | 236 ++++++++++++++++++++++++++++----------------------------
>>>>  1 file changed, 118 insertions(+), 118 deletions(-)
>>>>
>>>> diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c
>>>> index e3f7d345..3e7ba5f0 100644
>>>> --- a/mkfs/xfs_mkfs.c
>>>> +++ b/mkfs/xfs_mkfs.c
>>>> @@ -813,6 +813,124 @@ get_conf_raw_safe(const int opt, const int subopt)
>>>>       return str;
>>>>  }
>>>>
>>>> +static __attribute__((noreturn)) void
>>>> +illegal_option(
>>>
>>> How about declaring the functions at the top and leaving the definitions
>>> where they are?
>>
>> If I remember, Eric thought the opposite. :-)
>
> I don't remember, but at this point I'm ok with whatever, this part
> just isn't that important.
>

Just for the record, from the previous run:

On Thu, Jul 27, 2017 at 1:27 AM, Eric Sandeen <sandeen@sandeen.net> wrote:
> On 7/20/17 4:29 AM, Jan Tulak wrote:
>> Move getnum, check_opt and illegal_option within the file. We have to do
>> this to avoid dependency issues with the following patch. There is no
>> other change in this patch, just cut&paste of these functions.
>
> Yeah, nice to have these up at the top of the file anyway.
>
> Reviewed-by: Eric Sandeen <sandeen@redhat.com>

:-)

Jan
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diff mbox

Patch

diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c
index e3f7d345..3e7ba5f0 100644
--- a/mkfs/xfs_mkfs.c
+++ b/mkfs/xfs_mkfs.c
@@ -813,6 +813,124 @@  get_conf_raw_safe(const int opt, const int subopt)
 	return str;
 }
 
+static __attribute__((noreturn)) void
+illegal_option(
+	const char		*value,
+	struct opt_params	*opts,
+	int			index,
+	const char		*reason)
+{
+	fprintf(stderr,
+		_("Illegal value %s for -%c %s option. %s\n"),
+		value, opts->name, opts->subopts[index],
+		reason ? reason : "");
+	usage();
+}
+
+/*
+ * Check for conflicts and option respecification.
+ */
+static void
+check_opt(
+	struct opt_params	*opts,
+	int			index,
+	bool			str_seen)
+{
+	struct subopt_param	*sp = &opts->subopt_params[index];
+	int			i;
+
+	if (sp->index != index) {
+		fprintf(stderr,
+	("Developer screwed up option parsing (%d/%d)! Please report!\n"),
+			sp->index, index);
+		reqval(opts->name, (char **)opts->subopts, index);
+	}
+
+	/*
+	 * Check for respecification of the option. This is more complex than it
+	 * seems because some options are parsed twice - once as a string during
+	 * input parsing, then later the string is passed to getnum for
+	 * conversion into a number and bounds checking. Hence the two variables
+	 * used to track the different uses based on the @str parameter passed
+	 * to us.
+	 */
+	if (!str_seen) {
+		if (sp->seen)
+			respec(opts->name, (char **)opts->subopts, index);
+		sp->seen = true;
+	} else {
+		if (sp->str_seen)
+			respec(opts->name, (char **)opts->subopts, index);
+		sp->str_seen = true;
+	}
+
+	/* check for conflicts with the option */
+	for (i = 0; i < MAX_CONFLICTS; i++) {
+		int conflict_opt = sp->conflicts[i];
+
+		if (conflict_opt == LAST_CONFLICT)
+			break;
+		if (opts->subopt_params[conflict_opt].seen ||
+		    opts->subopt_params[conflict_opt].str_seen)
+			conflict(opts->name, (char **)opts->subopts,
+				 conflict_opt, index);
+	}
+}
+
+static long long
+getnum(
+	const char		*str,
+	struct opt_params	*opts,
+	int			index)
+{
+	struct subopt_param	*sp = &opts->subopt_params[index];
+	long long		c;
+
+	check_opt(opts, index, false);
+	set_conf_raw(opts->index, index, str);
+	/* empty strings might just return a default value */
+	if (!str || *str == '\0') {
+		if (sp->flagval == SUBOPT_NEEDS_VAL)
+			reqval(opts->name, (char **)opts->subopts, index);
+		return sp->flagval;
+	}
+
+	if (sp->minval == 0 && sp->maxval == 0) {
+		fprintf(stderr,
+			_("Option -%c %s has undefined minval/maxval."
+			  "Can't verify value range. This is a bug.\n"),
+			opts->name, opts->subopts[index]);
+		exit(1);
+	}
+
+	/*
+	 * Some values are pure numbers, others can have suffixes that define
+	 * the units of the number. Those get passed to cvtnum(), otherwise we
+	 * convert it ourselves to guarantee there is no trailing garbage in the
+	 * number.
+	 */
+	if (sp->convert)
+		c = cvtnum(blocksize, sectorsize, str);
+	else {
+		char		*str_end;
+
+		c = strtoll(str, &str_end, 0);
+		if (c == 0 && str_end == str)
+			illegal_option(str, opts, index, NULL);
+		if (*str_end != '\0')
+			illegal_option(str, opts, index, NULL);
+	}
+
+	/* Validity check the result. */
+	if (c < sp->minval)
+		illegal_option(str, opts, index, _("value is too small"));
+	else if (c > sp->maxval)
+		illegal_option(str, opts, index, _("value is too large"));
+	if (sp->is_power_2 && !ispow2(c))
+		illegal_option(str, opts, index, _("value must be a power of 2"));
+	return c;
+}
+
 /*
  * Convert lsu to lsunit for 512 bytes blocks and check validity of the values.
  */
@@ -1337,124 +1455,6 @@  sb_set_features(
 
 }
 
-static __attribute__((noreturn)) void
-illegal_option(
-	const char		*value,
-	struct opt_params	*opts,
-	int			index,
-	const char		*reason)
-{
-	fprintf(stderr,
-		_("Illegal value %s for -%c %s option. %s\n"),
-		value, opts->name, opts->subopts[index],
-		reason ? reason : "");
-	usage();
-}
-
-/*
- * Check for conflicts and option respecification.
- */
-static void
-check_opt(
-	struct opt_params	*opts,
-	int			index,
-	bool			str_seen)
-{
-	struct subopt_param	*sp = &opts->subopt_params[index];
-	int			i;
-
-	if (sp->index != index) {
-		fprintf(stderr,
-	("Developer screwed up option parsing (%d/%d)! Please report!\n"),
-			sp->index, index);
-		reqval(opts->name, (char **)opts->subopts, index);
-	}
-
-	/*
-	 * Check for respecification of the option. This is more complex than it
-	 * seems because some options are parsed twice - once as a string during
-	 * input parsing, then later the string is passed to getnum for
-	 * conversion into a number and bounds checking. Hence the two variables
-	 * used to track the different uses based on the @str parameter passed
-	 * to us.
-	 */
-	if (!str_seen) {
-		if (sp->seen)
-			respec(opts->name, (char **)opts->subopts, index);
-		sp->seen = true;
-	} else {
-		if (sp->str_seen)
-			respec(opts->name, (char **)opts->subopts, index);
-		sp->str_seen = true;
-	}
-
-	/* check for conflicts with the option */
-	for (i = 0; i < MAX_CONFLICTS; i++) {
-		int conflict_opt = sp->conflicts[i];
-
-		if (conflict_opt == LAST_CONFLICT)
-			break;
-		if (opts->subopt_params[conflict_opt].seen ||
-		    opts->subopt_params[conflict_opt].str_seen)
-			conflict(opts->name, (char **)opts->subopts,
-				 conflict_opt, index);
-	}
-}
-
-static long long
-getnum(
-	const char		*str,
-	struct opt_params	*opts,
-	int			index)
-{
-	struct subopt_param	*sp = &opts->subopt_params[index];
-	long long		c;
-
-	check_opt(opts, index, false);
-	set_conf_raw(opts->index, index, str);
-	/* empty strings might just return a default value */
-	if (!str || *str == '\0') {
-		if (sp->flagval == SUBOPT_NEEDS_VAL)
-			reqval(opts->name, (char **)opts->subopts, index);
-		return sp->flagval;
-	}
-
-	if (sp->minval == 0 && sp->maxval == 0) {
-		fprintf(stderr,
-			_("Option -%c %s has undefined minval/maxval."
-			  "Can't verify value range. This is a bug.\n"),
-			opts->name, opts->subopts[index]);
-		exit(1);
-	}
-
-	/*
-	 * Some values are pure numbers, others can have suffixes that define
-	 * the units of the number. Those get passed to cvtnum(), otherwise we
-	 * convert it ourselves to guarantee there is no trailing garbage in the
-	 * number.
-	 */
-	if (sp->convert)
-		c = cvtnum(blocksize, sectorsize, str);
-	else {
-		char		*str_end;
-
-		c = strtoll(str, &str_end, 0);
-		if (c == 0 && str_end == str)
-			illegal_option(str, opts, index, NULL);
-		if (*str_end != '\0')
-			illegal_option(str, opts, index, NULL);
-	}
-
-	/* Validity check the result. */
-	if (c < sp->minval)
-		illegal_option(str, opts, index, _("value is too small"));
-	else if (c > sp->maxval)
-		illegal_option(str, opts, index, _("value is too large"));
-	if (sp->is_power_2 && !ispow2(c))
-		illegal_option(str, opts, index, _("value must be a power of 2"));
-	return c;
-}
-
 /*
  * Option is a string - do all the option table work, and check there
  * is actually an option string. Otherwise we don't do anything with the string