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Save milli-units with variable precision

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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>
This commit is contained in:
Linus Torvalds 2011-09-04 15:08:31 -07:00
parent c66d60efa1
commit d8cca5bed3
1 changed files with 18 additions and 2 deletions
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20
save-xml.c
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@ -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;
}
fprintf(f, "%u.%03u%s%s", FRACTION(value, 1000), unit, post);
for (i = 2; i >= 0; i--) {
buf[i] = (v % 10) + '0';
v /= 10;
}
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)