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HEAD
getnameinfo: make size check not fail for bigger sizes
[musl.git]
/
src
/
stdlib
/
atoll.c
blob
b69304895a35c9143ec27ac61ec3a2d24c7a5a59
1
#include <stdlib.h>
2
#include <ctype.h>
3
4
long long
atoll
(
const char
*
s
)
5
{
6
long long
n
=
0
;
7
int
neg
=
0
;
8
while
(
isspace
(*
s
))
s
++;
9
switch
(*
s
) {
10
case
'-'
:
neg
=
1
;
11
case
'+'
:
s
++;
12
}
13
/* Compute n as a negative number to avoid overflow on LLONG_MIN */
14
while
(
isdigit
(*
s
))
15
n
=
10
*
n
- (*
s
++ -
'0'
);
16
return
neg
?
n
: -
n
;
17
}