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27 lines
637 B
C
27 lines
637 B
C
#include "fmt.h"
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size_t fmt_humank(char* dest,unsigned long long l) {
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char unit;
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size_t i;
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if (l<1000) return fmt_ulong(dest,l);
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if (l>1024*1024*1024*1024ull) {
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l=(l+(1024*1024*1024*1024ull/20))/(1024*1024*1024*1024ull/10);
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unit='T';
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} else if (l>1024*1024*1024) {
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l=(l+(1024*1024*1024/20))/(1024*1024*1024/10);
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unit='G';
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} else if (l>1024*1024) {
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l=(l+(1024*1024/20))/(1024*1024/10);
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unit='M';
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} else {
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l=(l+(1024/20))/(1024/10);
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unit='k';
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}
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if (!dest) return fmt_ulong(0,l)+2;
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i=fmt_ulong(dest,l/10);
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dest[i]='.';
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dest[i+1]=(char)((l%10)+'0');
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dest[i+2]=unit;
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return i+3;
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}
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