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LibC: Make it possible to use ASSERTs without initializing stdio

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Itamar 2020-10-10 17:47:21 +03:00 • committed by Andreas Kling
parent b1c1d7661f
commit 65ee2f07b7
4 changed files with 7 additions and 1 deletions
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5
Libraries/LibC/assert.cpp
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@ -27,15 +27,18 @@
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/internals.h>
#include <unistd.h>
extern "C" {
extern bool __stdio_is_initialized;
#ifdef DEBUG
void __assertion_failed(const char* msg)
{
dbgprintf("USERSPACE(%d) ASSERTION FAILED: %s\n", getpid(), msg);
fprintf(stderr, "ASSERTION FAILED: %s\n", msg);
if (__stdio_is_initialized)
fprintf(stderr, "ASSERTION FAILED: %s\n", msg);
abort();
}
#endif

1
Libraries/LibC/libcinit.cpp
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@ -34,6 +34,7 @@ extern "C" {
__thread int errno;
char** environ;
bool __environ_is_malloced;
bool __stdio_is_initialized;
void __libc_init()
{

1
Libraries/LibC/stdio.cpp
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@ -585,6 +585,7 @@ void __stdio_init()
new (stdout) FILE(1, O_WRONLY);
new (stderr) FILE(2, O_WRONLY);
stderr->setbuf(nullptr, _IONBF, 0);
__stdio_is_initialized = true;
}
int setvbuf(FILE* stream, char* buf, int mode, size_t size)

1
Libraries/LibC/sys/internals.h
View file

@ -37,6 +37,7 @@ extern void __malloc_init();
extern void __stdio_init();
extern void _init();
extern bool __environ_is_malloced;
extern bool __stdio_is_initialized;
int __cxa_atexit(AtExitFunction exit_function, void* parameter, void* dso_handle);
void __cxa_finalize(void* dso_handle);