source:
trunk/sys/dietlibc/atoll.c
@
189
Last change on this file since 189 was 1, checked in by , 8 years ago | |
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File size: 375 bytes |
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1 | #include <endian.h> |
2 | #include <ctype.h> |
3 | #include <stdlib.h> |
4 | |
5 | #if __WORDSIZE != 64 |
6 | long long int atoll(const char* s) { |
7 | long long int v=0; |
8 | int sign=1; |
9 | while ( *s == ' ' || (unsigned int)(*s - 9) < 5u) ++s; |
10 | switch (*s) { |
11 | case '-': sign=-1; |
12 | case '+': ++s; |
13 | } |
14 | while ((unsigned int) (*s - '0') < 10u) { |
15 | v=v*10+*s-'0'; ++s; |
16 | } |
17 | return sign==-1?-v:v; |
18 | } |
19 | #endif |
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