make units more dynamic

Signed-off-by: Christian Hesse <mail@eworm.de>
This commit is contained in:
Christian Hesse 2015-06-12 09:50:55 +02:00
parent f3a9f5406b
commit 6f58fbc5dd
4 changed files with 49 additions and 3 deletions

View File

@ -25,8 +25,16 @@ int MemoryMeter_attributes[] = {
}; };
static void MemoryMeter_setValues(Meter* this, char* buffer, int size) { static void MemoryMeter_setValues(Meter* this, char* buffer, int size) {
int written;
Platform_setMemoryValues(this); Platform_setMemoryValues(this);
snprintf(buffer, size, "%ld/%ldM", (long int) this->values[0] / 1024, (long int) this->total / 1024);
written = Meter_humanUnit(buffer, this->values[0], size);
buffer += written;
if ((size -= written) > 0) {
*buffer++ = '/';
size--;
Meter_humanUnit(buffer, this->total, size);
}
} }
static void MemoryMeter_display(Object* cast, RichString* out) { static void MemoryMeter_display(Object* cast, RichString* out) {

28
Meter.c
View File

@ -141,6 +141,34 @@ Meter* Meter_new(struct ProcessList_* pl, int param, MeterClass* type) {
return this; return this;
} }
int Meter_humanUnit(char* buffer, unsigned long int value, int size) {
const char * prefix = "KMGTPEZY";
unsigned long int powi = 1;
unsigned int written, powj = 1, precision = 2;
for(;;) {
if (value / 1024 < powi)
break;
if (prefix[1] == 0)
break;
powi *= 1024;
++prefix;
}
for (; precision > 0; precision--) {
powj *= 10;
if (value / powi < powj)
break;
}
written = snprintf(buffer, size, "%.*f%c",
precision, (double) value / powi, *prefix);
return written;
}
void Meter_delete(Object* cast) { void Meter_delete(Object* cast) {
if (!cast) if (!cast)
return; return;

View File

@ -105,6 +105,8 @@ extern MeterClass Meter_class;
Meter* Meter_new(struct ProcessList_* pl, int param, MeterClass* type); Meter* Meter_new(struct ProcessList_* pl, int param, MeterClass* type);
int Meter_humanUnit(char* buffer, unsigned long int value, int size);
void Meter_delete(Object* cast); void Meter_delete(Object* cast);
void Meter_setCaption(Meter* this, const char* caption); void Meter_setCaption(Meter* this, const char* caption);

View File

@ -33,9 +33,17 @@ static void SwapMeter_humanNumber(char* buffer, const long int* value) {
sprintf(buffer, "%ldM ", *value / MEGABYTE); sprintf(buffer, "%ldM ", *value / MEGABYTE);
} }
static void SwapMeter_setValues(Meter* this, char* buffer, int len) { static void SwapMeter_setValues(Meter* this, char* buffer, int size) {
int written;
Platform_setSwapValues(this); Platform_setSwapValues(this);
snprintf(buffer, len, "%ld/%ldM", (long int) this->values[0] / MEGABYTE, (long int) this->total / MEGABYTE);
written = Meter_humanUnit(buffer, this->values[0], size);
buffer += written;
if ((size -= written) > 0) {
*buffer++ = '/';
size--;
Meter_humanUnit(buffer, this->total, size);
}
} }
static void SwapMeter_display(Object* cast, RichString* out) { static void SwapMeter_display(Object* cast, RichString* out) {