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add fmt_human and fmt_humank

master
Felix von Leitner 19 years ago
parent
commit
e47b02cdf7
  1. 1
      CHANGES
  2. 6
      fmt.h
  3. 26
      fmt/fmt_human.c
  4. 26
      fmt/fmt_humank.c

1
CHANGES

@ -11,6 +11,7 @@
fix typos in several man pages (Hynek Schlawack)
add stralloc versions of textcode API (Kai Ruemmler)
add html to textcode ('<' to '&lt;' etc)
add fmt_human and fmt_humank (format numbers ala ls -H/-h)
0.14:
avoid bus errors in byte_copy

6
fmt.h

@ -69,4 +69,10 @@ unsigned int fmt_pad(char* dest,const char* src,unsigned int srclen,unsigned int
* characters written. */
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

26
fmt/fmt_human.c

@ -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

@ -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;
}
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