diff options
Diffstat (limited to 'mdk-stage1/dietlibc/lib/strtoull.c')
-rw-r--r-- | mdk-stage1/dietlibc/lib/strtoull.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/lib/strtoull.c b/mdk-stage1/dietlibc/lib/strtoull.c new file mode 100644 index 000000000..64f095f60 --- /dev/null +++ b/mdk-stage1/dietlibc/lib/strtoull.c @@ -0,0 +1,39 @@ +#include <ctype.h> + +static char *num="0123456789abcdefghijklmnopqrstuvwxyz"; + +unsigned long long int strtoull(const char *nptr, char **endptr, int base) +{ + long long int v=0; + int a=1,i; + + while(isspace(*nptr)) nptr++; + + if (*nptr == '+') { nptr++; } + if (!base) + { + if (*nptr=='0') + { + base=8; + if ((*(nptr+1)=='x')||(*(nptr+1)=='X')) base=16; + } + else + base=10; + } + while((a)&&(*nptr)) + { + a=0; + for (i=0;(!a)&&(i<base);i++) + { + if ((*nptr == num[i]) || (*nptr == (num[i]-' '))) + { + a=1; + v=(v*base)+(&num[i]-num); + } + } + if ((!a)&&(base==16)&&((*nptr=='x')||(*nptr=='X'))) a=1; + if (a) nptr++; + } + if (endptr) *endptr=(char *)nptr; + return v; +} |