You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
20 lines
342 B
C
20 lines
342 B
C
#include "scan.h"
|
|
|
|
unsigned int scan_long(const char *src,long *dest) {
|
|
register const char *tmp;
|
|
register long int l;
|
|
register unsigned char c;
|
|
int neg;
|
|
tmp=src; l=0; neg=0;
|
|
switch (*tmp) {
|
|
case '-': neg=1;
|
|
case '+': ++tmp;
|
|
}
|
|
while ((c=*tmp-'0')<10) {
|
|
l=l*10+c;
|
|
++tmp;
|
|
}
|
|
*dest=(neg?-l:l);
|
|
return tmp-src;
|
|
}
|