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#include "scan.h"
#ifdef UNITTEST
#undef UNITTEST
#include "scan_longn.c"
#define UNITTEST
#endif
size_t scan_long(const char *src,long *dest) {
return scan_longn(src,((size_t)-1)/2,dest);
}
#ifdef UNITTEST
#include <assert.h>
int main() {
long i;
assert(scan_long("1234",&i)==4 && i==1234);
assert(scan_long("-1234",&i)==5 && i==-1234);
assert(scan_long("+1234",&i)==5 && i==1234);
assert(scan_long("2147483647",&i)==10 && i==2147483647); // INT_MAX
assert(scan_long("-2147483648",&i)==11 && i==-2147483648); // INT_MIN
if (sizeof(int) == sizeof(long)) {
assert(scan_long("4294967295",&i)==9 && i==429496729); // overflow
assert(scan_long("2147483648",&i)==9 && i==214748364); // overflow
assert(scan_long("-2147483649",&i)==10 && i==-214748364); // underflow
} else {
assert(scan_long("9223372036854775807",&i)==19 && i==0x7fffffffffffffffull); // LONG_MAX
assert(scan_long("-9223372036854775808",&i)==20 && i==(long long)0x8000000000000000ull); // LONG_MIN
}
i=42;
assert(scan_longn("7",0,&i)==0 && i==42);
assert(scan_longn("-7",1,&i)==0 && i==42);
assert(scan_longn("+7",1,&i)==0 && i==42);
assert(scan_longn("7",1,&i)==1 && i==7);
assert(scan_longn("-7",2,&i)==2 && i==-7);
assert(scan_longn("+7",2,&i)==2 && i==7);
return 0;
}
#endif
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