libs/libc/include/stdlib.h

@@ -15,20 +15,11 @@ extern "C"
     /* Normally exits the program with the specified status code. */
     __lc_noreturn void exit(int status);
 
-    /* Abnormally exits the program with the specified status code. */
-    __lc_noreturn void _Exit(int status);
-
     /* Registers a handler function to be run at normal program termination. */
     int atexit(void (*handler)(void));
 
-    /* Returns an integer (of type int) parsed from the string str. */
-    int atoi(const char* str);
-
-    /* Returns an integer (of type long) parsed from the string str. */
-    long atol(const char* str);
-
-    /* Returns an integer (of type long long) parsed from the string str. */
-    long long atoll(const char* str);
+    /* Not implemented.*/
+    int atoi(const char*);
 
     /* Not implemented. */
     char* getenv(const char*);

libs/libc/src/stdlib.cpp

@@ -1,59 +1,22 @@
-#include <ctype.h>
 #include <luna.h>
 #include <stdlib.h>
 #include <sys/syscall.h>
 #include <unistd.h>
 
-template <typename T> T string_to_integer_type(const char* str)
-{
-    bool neg = false;
-    T val = 0;
-
-    switch (*str)
-    {
-    case '-':
-        neg = true;
-        str++;
-        break;
-    case '+': str++; break;
-    default: break;
-    }
-
-    while (isdigit(*str)) { val = (10 * val) + (*str++ - '0'); }
-
-    return (neg ? -val : val);
-}
-
 extern "C"
 {
     __lc_noreturn void abort()
     {
-        _Exit(-1);
+        _exit(-1);
     }
 
-    int atoi(const char* str)
+    int atoi(const char*)
     {
-        return string_to_integer_type<int>(str);
-    }
-
-    long atol(const char* str)
-    {
-        return string_to_integer_type<long>(str);
-    }
-
-    long long atoll(const char* str)
-    {
-        return string_to_integer_type<long long>(str);
+        NOT_IMPLEMENTED("atoi");
     }
 
     char* getenv(const char*)
     {
         NOT_IMPLEMENTED("getenv");
     }
-
-    __lc_noreturn void _Exit(int status)
-    {
-        syscall(SYS_exit, status);
-        __lc_unreachable();
-    }
 }