* [PATCH 1/2] log-tree: simplify digit_in_number
@ 2010-07-25 17:36 Ralf Thielow
2010-07-25 17:36 ` [PATCH 2/2] " Ralf Thielow
2010-07-25 17:46 ` [PATCH 1/2] log-tree: " Jonathan Nieder
0 siblings, 2 replies; 4+ messages in thread
From: Ralf Thielow @ 2010-07-25 17:36 UTC (permalink / raw)
To: git; +Cc: Ralf Thielow
---
log-tree.c | 10 ++++------
1 files changed, 4 insertions(+), 6 deletions(-)
diff --git a/log-tree.c b/log-tree.c
index b46ed3b..95a00a4 100644
--- a/log-tree.c
+++ b/log-tree.c
@@ -254,12 +254,10 @@ static void append_signoff(struct strbuf *sb, const char *signoff)
static unsigned int digits_in_number(unsigned int number)
{
- unsigned int i = 10, result = 1;
- while (i <= number) {
- i *= 10;
- result++;
- }
- return result;
+ int digits = 0;
+ while (number /= 10)
+ digits++;
+ return digits++;
}
void get_patch_filename(struct commit *commit, int nr, const char *suffix,
--
1.7.0.4
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH 2/2] simplify digit_in_number
2010-07-25 17:36 [PATCH 1/2] log-tree: simplify digit_in_number Ralf Thielow
@ 2010-07-25 17:36 ` Ralf Thielow
2010-07-25 17:46 ` [PATCH 1/2] log-tree: " Jonathan Nieder
1 sibling, 0 replies; 4+ messages in thread
From: Ralf Thielow @ 2010-07-25 17:36 UTC (permalink / raw)
To: git; +Cc: Ralf Thielow
---
log-tree.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/log-tree.c b/log-tree.c
index 95a00a4..c2af716 100644
--- a/log-tree.c
+++ b/log-tree.c
@@ -254,10 +254,10 @@ static void append_signoff(struct strbuf *sb, const char *signoff)
static unsigned int digits_in_number(unsigned int number)
{
- int digits = 0;
+ int digits = 1;
while (number /= 10)
digits++;
- return digits++;
+ return digits;
}
void get_patch_filename(struct commit *commit, int nr, const char *suffix,
--
1.7.0.4
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH 1/2] log-tree: simplify digit_in_number
@ 2010-07-25 17:43 Ralf Thielow
0 siblings, 0 replies; 4+ messages in thread
From: Ralf Thielow @ 2010-07-25 17:43 UTC (permalink / raw)
To: git; +Cc: Ralf Thielow
log-tree: simplify digit_in_number
Simplify the algorithm to resolve the digits in a number.
Signed-off-by: Ralf Thielow <ralf.thielow@googlemail.com>
---
log-tree.c | 10 ++++------
1 files changed, 4 insertions(+), 6 deletions(-)
diff --git a/log-tree.c b/log-tree.c
index b46ed3b..95a00a4 100644
--- a/log-tree.c
+++ b/log-tree.c
@@ -254,12 +254,10 @@ static void append_signoff(struct strbuf *sb, const char *signoff)
static unsigned int digits_in_number(unsigned int number)
{
- unsigned int i = 10, result = 1;
- while (i <= number) {
- i *= 10;
- result++;
- }
- return result;
+ int digits = 0;
+ while (number /= 10)
+ digits++;
+ return digits++;
}
void get_patch_filename(struct commit *commit, int nr, const char *suffix,
--
1.7.0.4
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH 1/2] log-tree: simplify digit_in_number
2010-07-25 17:36 [PATCH 1/2] log-tree: simplify digit_in_number Ralf Thielow
2010-07-25 17:36 ` [PATCH 2/2] " Ralf Thielow
@ 2010-07-25 17:46 ` Jonathan Nieder
1 sibling, 0 replies; 4+ messages in thread
From: Jonathan Nieder @ 2010-07-25 17:46 UTC (permalink / raw)
To: Ralf Thielow; +Cc: git
Ralf Thielow wrote:
> +++ b/log-tree.c
> @@ -254,12 +254,10 @@ static void append_signoff(struct strbuf *sb, const char *signoff)
>
> static unsigned int digits_in_number(unsigned int number)
> {
> - unsigned int i = 10, result = 1;
> - while (i <= number) {
> - i *= 10;
> - result++;
> - }
> - return result;
> + int digits = 0;
> + while (number /= 10)
> + digits++;
> + return digits++;
I think you mean "return ++digits;".
But other questions come to mind first:
- What is the motivation? How did this come up and what does your change
improve?
- Why rewrite this in one patch, only to rewrite it again?
Hope that helps,
Jonathan
^ permalink raw reply [flat|nested] 4+ messages in thread
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