Simplifying and fixing atoi / atol.

Author: nicolasnoble

libc/LIB.status

@@ -4,8 +4,8 @@ Stdlib:
 What should stdlib contain, and current status.
 
 atof     - ok, inlined, bound to sscanf
-atoi     - ok, inlined, bound to sscanf, will read hex and octal
-atol     - ok, inlined, bound to sscanf, will read hex and octal
+atoi     - ok, inlined, bound to strtol
+atol     - ok, inlined, bound to strtol
 strtod   - missing
 strtof   - missing
 strtold  - missing (do we want to support long double anyway?)

libc/include/stdlib.h

@@ -21,11 +21,10 @@ int rand_r(unsigned int * seed);
 static __inline__ int rand(void) { return rand_r(&_seed); }
 static __inline__ void srand(unsigned int seed) { _seed = seed * 3835238167UL; }
 
-static __inline__ double atof(const char * str) { double r = 0; sscanf(str, "%lf", &r); return r; }
-static __inline__ int atoi(const char * str) { int i; sscanf(str, "%i", &i); return i; }
-static __inline__ int atol(const char * str) { long l; sscanf(str, "%li", &l); return l; }
-
 long int strtol(const char * nptr, char ** endptr, int base);
 
-END_DECL
+static __inline__ double atof(const char * str) { double r = 0; sscanf(str, "%lf", &r); return r; }
+static __inline__ int atoi(const char *str) { return strtol(str, NULL, 10); }
+static __inline__ long atol(const char * str) { return strtol(str, NULL, 10); }
 
+END_DECL