diff options
| author |  Linus Torvalds <torvalds@linux-foundation.org> | 2011-09-04 15:08:31 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-09-04 15:14:14 -0700 |
| commit | d8cca5bed3b877655555930bc2f6f6f74503b455 (patch) | |
| tree | d243e1a5b4fb7de3daad3ebfc56dee336276fd94 /save-xml.c | |
| parent | c66d60efa1efcb5dfbeff3bd345580c977c50f10 (diff) | |
| download | subsurface-d8cca5bed3b877655555930bc2f6f6f74503b455.tar.gz | |
Save milli-units with variable precision
Instead of always using three decimal digits, use 1-3 digits. But do
use at least one, even for integer numbers, just because it makes it so
much clearer that we're dealing with potential fractional values.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'save-xml.c')
| -rw-r--r-- | save-xml.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/save-xml.c b/save-xml.c index 7609b1db8..f629b452e 100644 --- a/save-xml.c +++ b/save-xml.c @@ -11,12 +11,28 @@ static void show_milli(FILE *f, const char *pre, int value, const char *unit, const char *post) { + int i; + char buf[4]; + unsigned v; + fputs(pre, f); + v = value; if (value < 0) { putc('-', f); - value = -value; + v = -value; + } + for (i = 2; i >= 0; i--) { + buf[i] = (v % 10) + '0'; + v /= 10; } - fprintf(f, "%u.%03u%s%s", FRACTION(value, 1000), unit, post); + buf[3] = 0; + if (buf[2] == '0') { + buf[2] = 0; + if (buf[1] == '0') + buf[1] = 0; + } + + fprintf(f, "%u.%s%s%s", v, buf, unit, post); } static void show_temperature(FILE *f, temperature_t temp, const char *pre, const char *post) |