File: fmt_hexdump.c

package info (click to toggle)
libowfat 0.34-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 5,288 kB
  • sloc: ansic: 20,181; makefile: 16
file content (16 lines) | stat: -rw-r--r-- 428 bytes parent folder | download | duplicates (9) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
#include "fmt.h"
#include "textcode.h"
#include "str.h"
#include "haveinline.h"

size_t fmt_hexdump(char* dest,const char* src,size_t len) {
  register const unsigned char* s=(const unsigned char*) src;
  size_t written=0,i;
  if (!dest) return (len>((size_t)-1)/2)?(size_t)-1:len*2;
  for (i=0; i<len; ++i) {
    dest[written]=fmt_tohex(s[i]>>4);
    dest[written+1]=fmt_tohex(s[i]&15);
    written+=2;
  }
  return written;
}