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add fmt_human and fmt_humank

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leitner 2003-04-25 19:06:19 +00:00
parent 0546ea048c
commit a3b08eb5e5
4 changed files with 59 additions and 0 deletions
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1
CHANGES
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@ -11,6 +11,7 @@
fix typos in several man pages (Hynek Schlawack) fix typos in several man pages (Hynek Schlawack)
add stralloc versions of textcode API (Kai Ruemmler) add stralloc versions of textcode API (Kai Ruemmler)
add html to textcode ('<' to '&lt;' etc) add html to textcode ('<' to '&lt;' etc)
add fmt_human and fmt_humank (format numbers ala ls -H/-h)
0.14: 0.14:
avoid bus errors in byte_copy avoid bus errors in byte_copy

6
fmt.h
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@ -69,4 +69,10 @@ unsigned int fmt_pad(char* dest,const char* src,unsigned int srclen,unsigned int
* characters written. */ * characters written. */
unsigned int fmt_fill(char* dest,unsigned int srclen,unsigned int padlen,unsigned int maxlen); unsigned int fmt_fill(char* dest,unsigned int srclen,unsigned int padlen,unsigned int maxlen);
/* 1 -> "1", 4900 -> "4.9k", 2300000 -> "2.3M" */
unsigned int fmt_human(char* dest,unsigned long long l);
/* 1 -> "1", 4900 -> "4.8k", 2300000 -> "2.2M" */
unsigned int fmt_humank(char* dest,unsigned long long l);
#endif #endif

26
fmt/fmt_human.c Normal file
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@ -0,0 +1,26 @@
#include "fmt.h"
unsigned int fmt_human(char* dest,unsigned long long l) {
char unit;
int i;
if (l<1000) return fmt_ulong(dest,l);
if (l>1000000000000ull) {
l=(l+50000000000ull)/100000000000ull;
unit='T';
} else if (l>1000000000) {
l=(l+50000000)/100000000;
unit='G';
} else if (l>1000000) {
l=(l+50000)/100000;
unit='M';
} else if (l>1000) {
l=(l+50)/100;
unit='k';
}
if (!dest) return fmt_ulong(0,l)+2;
i=fmt_ulong(dest,l/10);
dest[i]='.';
dest[i+1]=(l%10)+'0';
dest[i+2]=unit;
return i+3;
}

26
fmt/fmt_humank.c Normal file
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@ -0,0 +1,26 @@
#include "fmt.h"
unsigned int fmt_humank(char* dest,unsigned long long l) {
char unit;
int i;
if (l<1000) return fmt_ulong(dest,l);
if (l>1024*1024*1024*1024ull) {
l=(l+(1024*1024*1024*1024ull/20))/(1024*1024*1024*1024ull/10);
unit='T';
} else if (l>1024*1024*1024) {
l=(l+(1024*1024*1024/20))/(1024*1024*1024/10);
unit='G';
} else if (l>1024*1024) {
l=(l+(1024*1024/20))/(1024*1024/10);
unit='M';
} else if (l>1024) {
l=(l+(1024/20))/(1024/10);
unit='k';
}
if (!dest) return fmt_ulong(0,l)+2;
i=fmt_ulong(dest,l/10);
dest[i]='.';
dest[i+1]=(l%10)+'0';
dest[i+2]=unit;
return i+3;
}