diff options
Diffstat (limited to 'mdk-stage1/dietlibc/lib/atoll.c')
-rw-r--r-- | mdk-stage1/dietlibc/lib/atoll.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/lib/atoll.c b/mdk-stage1/dietlibc/lib/atoll.c new file mode 100644 index 000000000..7bf2b2fd6 --- /dev/null +++ b/mdk-stage1/dietlibc/lib/atoll.c @@ -0,0 +1,19 @@ +#include <endian.h> +#include <ctype.h> +#include <stdlib.h> + +#if __WORDSIZE != 64 +long long int atoll(const char* s) { + long long int v=0; + int sign=1; + while ( *s == ' ' || (unsigned int)(*s - 9) < 5u) ++s; + switch (*s) { + case '-': sign=-1; + case '+': ++s; + } + while ((unsigned int) (*s - '0') < 10u) { + v=v*10+*s-'0'; ++s; + } + return sign==-1?-v:v; +} +#endif |