libowfat/scan/scan_8int.c

15 lines
284 B
C

#include "scan.h"
size_t scan_8int(const char* src,unsigned int* dest) {
register const char *tmp=src;
register unsigned int l=0;
register unsigned char c;
while ((c=*tmp-'0')<8) {
if (l>>(sizeof(l)*8-3)) break;
l=l*8+c;
++tmp;
}
*dest=l;
return tmp-src;
}