Mercurial > projects > dstress
view run/mini/bug55.d @ 1630:d0efa3ae5522 default tip
run/mini/naked_asm5: New x86_64 ABI passes the arguments in reverse order.
author | David Nadlinger <code@klickverbot.at> |
---|---|
date | Sat, 23 Apr 2011 22:57:32 +0200 |
parents | c6ef09dfba4d |
children |
line wrap: on
line source
module bug55; extern(C) int printf(char*, ...); int atoi(char[] s) { int i, fac=1; bool neg = (s.length) && (s[0] == '-'); char[] a = neg ? s[1..$] : s; foreach_reverse(c; a) { i += (c-'0') * fac; fac *= 10; } return !neg ? i : -i; } void main() { printf("64213 = %d\n", atoi("64213")); printf("-64213 = %d\n", atoi("-64213")); assert(atoi("64213") == 64213); assert(atoi("-64213") == -64213); }