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LibC: Implement atexit() and strtoul().

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This commit is contained in:
Andreas Kling 2019-03-27 01:55:39 +01:00
parent 2a858719be
commit baab9f4402
1 changed files with 20 additions and 10 deletions
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30
LibC/stdlib.cpp
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@ -201,12 +201,28 @@ void* realloc(void *ptr, size_t size)
return new_ptr;
}
typedef void(*__atexit_handler)();
static int __atexit_handler_count = 0;
static __atexit_handler __atexit_handlers[32];
void exit(int status)
{
for (int i = 0; i < __atexit_handler_count; ++i)
__atexit_handlers[i]();
extern void _fini();
_fini();
_exit(status);
assert(false);
}
int atexit(void (*handler)())
{
ASSERT(__atexit_handler_count < 32);
__atexit_handlers[__atexit_handler_count++] = handler;
return 0;
}
void abort()
{
// FIXME: Implement proper abort().
@ -425,12 +441,6 @@ size_t mbstowcs(wchar_t*, const char*, size_t)
assert(false);
}
int atexit(void (*function)())
{
(void)function;
assert(false);
}
long strtol(const char* str, char** endptr, int base)
{
const char* s = str;
@ -488,11 +498,11 @@ long strtol(const char* str, char** endptr, int base)
return acc;
}
unsigned long strtoul(const char*, char** endptr, int base)
unsigned long strtoul(const char* str, char** endptr, int base)
{
(void)endptr;
(void)base;
assert(false);
auto value = strtol(str, endptr, base);
ASSERT(value >= 0);
return value;
}
}